332354 + Interview Questions in Secondary School in Math

1.	Division is the inverse oetation of
Answer» $\huge\boxed{\fcolorbox{purple}{yellow}{Answer}}$ ✧☞ ▽Mathematically, INVERSE OPERATIONS are OPPOSITE operations. Addition is the opposite of SUBTRACTION; division is the opposite of multiplication, and so on ▽ $☠️☠️MR.nawabzade☠️☠️$ ✧ ✧ ✧ $♣️DANGER♣️$

1.

Division is the inverse oetation of

Answer»

$\huge\boxed{\fcolorbox{purple}{yellow}{Answer}}$

✧☞

▽Mathematically, INVERSE OPERATIONS are OPPOSITE operations. Addition is the opposite of SUBTRACTION; division is the opposite of multiplication, and so on

▽

$☠️☠️MR.nawabzade☠️☠️$

✧

$♣️DANGER♣️$

Discussion

2.	If p (x)=g (x)+r (x),degree of p (x)=6 and degreen of g (x)=3,then degreen of q (x)is mathematics
Answer» Step-by-step explanation: you are very GOOD in MATHS just GIVE me ₹14 in my PAYTM and I will give you the answer just follow me and ASK my no.

2.

If p (x)=g (x)+r (x),degree of p (x)=6 and degreen of g (x)=3,then degreen of q (x)is mathematics

Answer»

Step-by-step explanation:

you are very GOOD in MATHS just GIVE me ₹14 in my PAYTM and I will give you the answer

just follow me and ASK my no.

Discussion

3.	Prove that ,Cos(60°+A)+cos(60°-A)-cosA=0
Answer» $\underline{\textsf{To <klux>PROVE</klux>:}}$ $\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA=0}$ $\underline{\textsf{Solution:}}$ $\textsf{Consider,}$ $\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA}$ $\textsf{Using the identities}$ $\boxed{\mathsf{cos(A+B)=cosA\,cosB-sinA\,sinB}}$ $\boxed{\mathsf{cos(A-B)=cosA\,cosB+sinA\,sinB}}$ $\mathsf{=cos60^{\circ}\,cosA-sin60^{\circ}\,sinA+cos60^{\circ}\,cosA+sin60^{\circ}\,sinA-cosA}$ $\mathsf{=2\,cos60^{\circ}\,cosA-cosA}$ $\mathsf{=2(\dfrac{1}{2})\,cosA-cosA}$ $\mathsf{=cosA-cosA}$ $\mathsf{=0}$ $\implies\boxed{\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA=0}}$ FIND more: Prove that 1-sin^2x/1+cotx-cos^2x/1+tanx=sinxcossx brainly.in/question/4927186 TAN(π/4+x)-tan(π/4-x)=2TAN 2x brainly.in/question/10999329

3.

Prove that ,Cos(60°+A)+cos(60°-A)-cosA=0

Answer»

$\underline{\textsf{To <klux>PROVE</klux>:}}$

$\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA=0}$

$\underline{\textsf{Solution:}}$

$\textsf{Consider,}$

$\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA}$

$\textsf{Using the identities}$

$\boxed{\mathsf{cos(A+B)=cosA\,cosB-sinA\,sinB}}$

$\boxed{\mathsf{cos(A-B)=cosA\,cosB+sinA\,sinB}}$

$\mathsf{=cos60^{\circ}\,cosA-sin60^{\circ}\,sinA+cos60^{\circ}\,cosA+sin60^{\circ}\,sinA-cosA}$

$\mathsf{=2\,cos60^{\circ}\,cosA-cosA}$

$\mathsf{=2(\dfrac{1}{2})\,cosA-cosA}$

$\mathsf{=cosA-cosA}$

$\mathsf{=0}$

$\implies\boxed{\mathsf{cos(60^{\circ}+A)+cos(60^{\circ}-A)-cosA=0}}$

FIND more:

Prove that 1-sin^2x/1+cotx-cos^2x/1+tanx=sinxcossx

brainly.in/question/4927186

TAN(π/4+x)-tan(π/4-x)=2TAN 2x

brainly.in/question/10999329

Discussion

4.	The circular scale of a screw gause has 50 divisions. it is spindle moves by 2mm on sleeve, as of complete four rotations. then it's pitch will be in cm
Answer»

Discussion

5.	Find the value of m if the points are( 5,1 )(-2,-3)
Answer» Step-by-step EXPLANATION: I HOPE that above PROCEDURE HELPS U

5.

Find the value of m if the points are( 5,1 )(-2,-3)

Answer»

Step-by-step EXPLANATION:

I HOPE that above PROCEDURE HELPS U

Discussion

6.	The speed of an autorikshaw is 42 km/hour.It travels continuously for 3 hours 50 minutes.what is the distance travelled by it?
Answer» $\blue{\bold{\underline{\underline{Answer:}}}}$ $\green{\tt{\therefore{Distance\:travelled=161\:km}}}$ $\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$ $\green{\underline \bold{<klux>GIVEN</klux> :}} \\ \tt:\implies Speed \: of \: autorikshaw = 42 \: km \: h \\ \\ \tt:\implies time = 3 \: hour \: 50 \: min \\ \\ \red{\underline \bold{To \: Find :}} \\ \tt: \implies Distance \: travelled =?$ • ACCORDING to given QUESTION : $\tt \circ \: Speed = 42 \times \frac{5}{18} = \frac{210}{18} \: m/s \\ \\ \tt \circ \: Time = 230 \times 60 = 13800 \: sec \\ \\ \bold{As \: we \: know \: that} \\ \tt: \implies Distance = Speed \times Time \\ \\ \tt: \implies Distance = \frac{210}{18} \times 13800 \\ \\ \tt: \implies Distance = \frac{2898000}{18} \\ \\ \tt: \implies Distance =161000 \: m \\ \\ \green{\tt: \implies Distance = 161 \: km} \\ \\ \bold{ \blue{Some \: related \: formula}} \\ \orange{\tt \circ \: v = u + at} \\ \\ \orange{\tt \circ \: {v}^{2} = {u}^{2} + 2as} \\ \\ \orange{\tt \circ \:s = ut+ \frac{1}{2} {at}^{2} }$

6.

The speed of an autorikshaw is 42 km/hour.It travels continuously for 3 hours 50 minutes.what is the distance travelled by it?

Answer»

$\blue{\bold{\underline{\underline{Answer:}}}}$

$\green{\tt{\therefore{Distance\:travelled=161\:km}}}$

$\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$

$\green{\underline \bold{<klux>GIVEN</klux> :}} \\ \tt:\implies Speed \: of \: autorikshaw = 42 \: km \: h \\ \\ \tt:\implies time = 3 \: hour \: 50 \: min \\ \\ \red{\underline \bold{To \: Find :}} \\ \tt: \implies Distance \: travelled =?$

• ACCORDING to given QUESTION :

$\tt \circ \: Speed = 42 \times \frac{5}{18} = \frac{210}{18} \: m/s \\ \\ \tt \circ \: Time = 230 \times 60 = 13800 \: sec \\ \\ \bold{As \: we \: know \: that} \\ \tt: \implies Distance = Speed \times Time \\ \\ \tt: \implies Distance = \frac{210}{18} \times 13800 \\ \\ \tt: \implies Distance = \frac{2898000}{18} \\ \\ \tt: \implies Distance =161000 \: m \\ \\ \green{\tt: \implies Distance = 161 \: km} \\ \\ \bold{ \blue{Some \: related \: formula}} \\ \orange{\tt \circ \: v = u + at} \\ \\ \orange{\tt \circ \: {v}^{2} = {u}^{2} + 2as} \\ \\ \orange{\tt \circ \:s = ut+ \frac{1}{2} {at}^{2} }$

Discussion

7.	What is the length of rope required to cover c.s.a of cylinder of r=14, h=26 .(let the diameter of rope 1.2)
Answer» Step-by-step EXPLANATION: selling price and purchase price of an item if 10% of the selling price of an item is equal to 12 sorry dear im sorry FK id h ye no no

7.

What is the length of rope required to cover c.s.a of cylinder of r=14, h=26 .(let the diameter of rope 1.2)

Answer»

Step-by-step EXPLANATION:

selling price and purchase price of an item if 10% of the selling price of an item is equal to 12 sorry dear im sorry FK id h ye no no

Discussion

8.	Arrange the data as an array : 23, 56, 14, 45, 20
Answer» Answer: 14,20,23,45,56 mark as BRAINLIEST

8.

Arrange the data as an array : 23, 56, 14, 45, 20

Answer»

Answer:

14,20,23,45,56

mark as BRAINLIEST

Discussion

9.	If 180 = 2x x 32 x 5 then the value of x is
Answer» Answer: 10 Step-by-step explanation: 32×5=160 left:-2x 180-160=2x 20=2x X=10

9.

If 180 = 2x x 32 x 5 then the value of x is

Answer»

Answer:

10

Step-by-step explanation:

32×5=160

left:-2x

180-160=2x

20=2x

X=10

Discussion

10.	Bracket 27 by 64 raise to minus 2 by 3
Answer» Answer: APP jo BHI HAI plz mughe BRAINEST kar de

10.

Bracket 27 by 64 raise to minus 2 by 3

Answer»

Answer:

APP jo BHI HAI plz mughe BRAINEST kar de

Discussion

11.	Please solve it pleaseI will mark you brainliest and follow
Answer» Step-by-step EXPLANATION: HOPE it will HELP you .......

11.

Please solve it pleaseI will mark you brainliest and follow

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you .......

Discussion

12.	[{42/(3+4)}*10]+4solve using BODMAS rule
Answer» Answer: 2944 Step-by-step EXPLANATION: [{42(3+4)}×10]+4 [294*10]+4 2940+4 2944

12.

[{42/(3+4)}*10]+4solve using BODMAS rule

Answer»

Answer:

2944

Step-by-step EXPLANATION:

[{42(3+4)}×10]+4

[294*10]+4

2940+4

2944

Discussion

13.	Solve the following equation by the method of completting square : 2x2 + 4x – 8 = 0.
Answer» Answer: given 2x^2 + 4x - 8 = 0 to find the value of x USING completing the square METHOD => 2x^2 + 4x = 8 => x^2 + 4x/2 = 8/2 => x^2 + 2x = 4 => x^2 + 2x + 1^2 = 4 + 1^2 => x^2 + 2x + 1 = 4+1 => x^2 +2x + 1 = 5 => (x + 1)^2 = 5 => x+1 = +√5 and -√5 => x = +√5 - 1 and x = -√5 - 1

13.

Solve the following equation by the method of completting square : 2x2 + 4x – 8 = 0.

Answer»

Answer:

given 2x^2 + 4x - 8 = 0

to find the value of x USING completing the square METHOD

=> 2x^2 + 4x = 8

=> x^2 + 4x/2 = 8/2

=> x^2 + 2x = 4

=> x^2 + 2x + 1^2 = 4 + 1^2

=> x^2 + 2x + 1 = 4+1

=> x^2 +2x + 1 = 5

=> (x + 1)^2 = 5

=> x+1 = +√5 and -√5

=> x = +√5 - 1 and x = -√5 - 1

Discussion

14.	Name the property50 + 60 + 70 = 10 X ( 5 + 6 +7)
Answer» ANSWER: ASSOCIATIVE PROPERTY

14.

Name the property50 + 60 + 70 = 10 X ( 5 + 6 +7)

Answer»

ANSWER:

ASSOCIATIVE PROPERTY

Discussion

15.	1010 persons attended a party. Of them 225 had cold drinks, 147 had sweets and others had ice-cream. How many people had ice-cream at the party?
Answer» first SUB 225 from 1010 then we get = 785. then sub 785 from 148 then we get = 637 so,the answer is 637 * for CHECKING the answer add them=225+147+637= 1010.

15.

1010 persons attended a party. Of them 225 had cold drinks, 147 had sweets and others had ice-cream. How many people had ice-cream at the party?

Answer»

first SUB 225 from 1010 then we get = 785.

then

sub 785 from 148 then we get = 637

so,the answer is 637

* for CHECKING the answer add them=225+147+637= 1010.

Discussion

16.	Simplify (-3)^5 *(5/3)^5
Answer» -243×3125/243=-243×3125/243=-3125

Discussion

17.	Write the sequence of one outer angle of regular polygons
Answer» ANSWER: Hii Step-by-step explanation: The sum if interior angels: (N - 20) 180 The sum of exterior angles = 360/n X n = 360 Measure of interior angle 180 - 360/n Measure of exterior angles 360/n

17.

Write the sequence of one outer angle of regular polygons

Answer»

ANSWER:

Hii

Step-by-step explanation:

The sum if interior angels:

(N - 20) 180

The sum of exterior angles

= 360/n X n = 360

Measure of interior angle

180 - 360/n

Measure of exterior angles

360/n

Discussion

18.	Which of the following should direct variation height of a child (X) and his weight (y) as he grows
Answer» ANSWER: I don't KNOW Step-by-step EXPLANATION: I don't know

18.

Which of the following should direct variation height of a child (X) and his weight (y) as he grows

Answer»

ANSWER:

I don't KNOW

Step-by-step EXPLANATION:

I don't know

Discussion

19.	1. Write in which quadrant or on whichaxis the following point slide. Also, plot thefollowingpointsintheCartesianplane.Alsowriteabscissaandordinateof each point.A(-4,4)B(6,-3)C(2,5)D(-4,-5)E(0,-3)F(-3,0)G(4,0)H(0,2)
Answer» Answer: a SECOND quadrant B fourth quadrant, c first quadrant ,d third quadrant E fourth quadrant F second quadrant g first quadrant h first quadrant

19.

1. Write in which quadrant or on whichaxis the following point slide. Also, plot thefollowingpointsintheCartesianplane.Alsowriteabscissaandordinateof each point.A(-4,4)B(6,-3)C(2,5)D(-4,-5)E(0,-3)F(-3,0)G(4,0)H(0,2)

Answer»

Answer:

a SECOND quadrant B fourth quadrant, c first quadrant ,d third quadrant E fourth quadrant F second quadrant g first quadrant h first quadrant

Discussion

20.	Please answer fast plzzzzzz
Answer» Answer: SORRY I'm ABLE solve only 4 QUESTIONS

20.

Please answer fast plzzzzzz

Answer»

Answer:

SORRY I'm ABLE solve only 4 QUESTIONS

Discussion

21.	Write the volume of hemisphere in terms of diameter
Answer» Answer: What's the volume of a hemisphere FORMULA? Diameter of a hemisphere: d = 2 * R , Volume of a hemisphere: V = 2/3 * π * r³ , Base surface area of a hemisphere: Ab = π * r² , CAP surface area of a hemisphere: Ac = 2 * π * r² , Total surface area of a hemisphere: A = 3 * π * r² ,

21.

Write the volume of hemisphere in terms of diameter

Answer»

Answer:

What's the volume of a hemisphere FORMULA?

Diameter of a hemisphere: d = 2 * R ,

Volume of a hemisphere: V = 2/3 * π * r³ ,

Base surface area of a hemisphere: Ab = π * r² ,

CAP surface area of a hemisphere: Ac = 2 * π * r² ,

Total surface area of a hemisphere: A = 3 * π * r² ,

Discussion

22.	Fill the boxes with numbers.twist your brain
Answer» Answer: 1.2-1=1 +. + 4-2=2 = = 4 2 Step-by-step EXPLANATION: HOPE my BRAIN is SHARP

22.

Fill the boxes with numbers.twist your brain

Answer»

Answer:

1.2-1=1

+. +

4-2=2

= =

4 2

Step-by-step EXPLANATION:

HOPE my BRAIN is SHARP

Discussion

23.	Write missing number
Answer» ENTER the WHOLE QUESTION !

Discussion

24.	3. In Fig. 10.42, a is greater than b by one third of a right-angle. Find the values of aand b.
Answer» hope it HELPS you... THANKS

24.

3. In Fig. 10.42, a is greater than b by one third of a right-angle. Find the values of aand b.

Answer»

hope it HELPS you... THANKS

Discussion

25.	Please solve these I m confused
Answer» ANSWER: (a) y+6/4+y-3/5=5y-4 =5(y+6)+4(y-3)=20(5y-4) =5y+30+4y-12=100y-80 =9y+18=100y-80 =9y-100y=-80-18 =-91y=-98 =y=98/91

25.

Please solve these I m confused

Answer»

ANSWER:

(a) y+6/4+y-3/5=5y-4

=5(y+6)+4(y-3)=20(5y-4)

=5y+30+4y-12=100y-80

=9y+18=100y-80

=9y-100y=-80-18

=-91y=-98

=y=98/91

Discussion

26.	Find the smallest positive rational number by which 1/7 should be multiplied so that its decimal expansion terminate after 2 places of decimal.
Answer» ANSWER: SINCE 1 / 7 X 7 / 100 = 1 / 100 = 0.01. Thus smallest rational numbers is 7 / 00 Hope u are satisfied with this answer. Plz plz do follow me

26.

Find the smallest positive rational number by which 1/7 should be multiplied so that its decimal expansion terminate after 2 places of decimal.

Answer»

ANSWER:

SINCE 1 / 7 X 7 / 100 = 1 / 100 = 0.01. Thus smallest rational numbers is 7 / 00

Hope u are satisfied with this answer.

Plz plz do follow me

Discussion

27.	What is the measure of angle A if the other angle of the given ? Name the plygon.A= 90degree, 39 degree, 173 degree, 106 degree, A
Answer» ANSWER: It's a Pentagon.. as it has 5 SIDES.. HOPE it'll HELP u

27.

What is the measure of angle A if the other angle of the given ? Name the plygon.A= 90degree, 39 degree, 173 degree, 106 degree, A

Answer»

ANSWER:

It's a Pentagon..

as it has 5 SIDES..

HOPE it'll HELP u

Discussion

28.	EXERCISE 1.11. Find using appropriate properties.(a)-2x3.53X1(6)x ² + 1 2+3 55 66 2 145
Answer» ANSWER: I don't know BRO sorry HOPE you like my answer please MARK my brainlist also follow me

28.

EXERCISE 1.11. Find using appropriate properties.(a)-2x3.53X1(6)x ² + 1 2+3 55 66 2 145

Answer»

ANSWER:

I don't know BRO sorry

HOPE you like my answer please MARK my brainlist also follow me

Discussion

29.	Kindly solve this (-10) x ___ = 18 x (-10 )
Answer» Step-by-step explanation: (-10×18=18×(-10) PLEASE mark it BRAINLIST HOPE this HELPS you

29.

Kindly solve this (-10) x ___ = 18 x (-10 )

Answer»

Step-by-step explanation:

(-10×18=18×(-10)

PLEASE mark it BRAINLIST

HOPE this HELPS you

Discussion

30.	10.bIf + = = 1, then a + b is equal toа(A) 1(B)-1(C)(D) O2
Answer» ANSWER: WRITE the QUESTION CLEARLY

30.

10.bIf + = = 1, then a + b is equal toа(A) 1(B)-1(C)(D) O2

Answer»

ANSWER:

WRITE the QUESTION CLEARLY

Discussion

31.	Q1. If the two zeroes of the polynomial f(x) = x^3 – 6x^2 + mx + n are 2+ root 5 and 2 - root 5, then find third zero and values of m and n.Q2. Divide the polynomial f(x) = 5x^2 – 8x^3 + 2 – 15x by the polynomial 2x – 4x^2 + 1 and verify the division algorithm.PLEASE GIVE ALL STEPSPlease answer fast!!!!!!!!
Answer» ANSWER: x^3-2x+4 will be the answer

31.

Q1. If the two zeroes of the polynomial f(x) = x^3 – 6x^2 + mx + n are 2+ root 5 and 2 - root 5, then find third zero and values of m and n.Q2. Divide the polynomial f(x) = 5x^2 – 8x^3 + 2 – 15x by the polynomial 2x – 4x^2 + 1 and verify the division algorithm.PLEASE GIVE ALL STEPSPlease answer fast!!!!!!!!

Answer»

ANSWER:

x^3-2x+4 will be the answer

Discussion

32.	Estimate the Quotient by approximation 527÷22
Answer» ANSWER: THE ANSWERS IS 23.9545455 Step-by-step explanation: THE QUOTIENT OF 527÷22 IS 23.9545455 HOPE IT WILL HELP YOU PLZZ MARK AS BRAINLIST

32.

Estimate the Quotient by approximation 527÷22

Answer»

ANSWER:

THE ANSWERS IS

23.9545455

Step-by-step explanation:

THE QUOTIENT OF 527÷22 IS

23.9545455

HOPE IT WILL HELP YOU

PLZZ MARK AS BRAINLIST

Discussion

33.	12. एक समचतुर्भुज का परिमाप 40 मीटर हो तथा उसके विकर्ण की लम्बाई 12 मीटर हो तो इसका क्षेत्रफल ज्ञातकीजिए।Jo bhi iska sahi answer dega BRAINIEST mark kar dunga Agar galat hua to report kardunga
Answer» प्रश्न एक समचतुर्भुज का परिमाप 40 मीटर हो तथा उसके विकर्ण की लम्बाई 12 मीटर हो तो इसका क्षेत्रफल ज्ञात कीजिए। उत्तर दिया है:- एक समचतुर्भुज का परिमाप = 40 मीटर विकर्ण की लम्बाई = 12 मीटर ज्ञात करना है:- समचतुर्भुज का क्षेत्रफल स्पस्टीकरण सूत्र ★ समचतुर्भुज का परिमाप = 4 × भुजा ★ समचतुर्भुज का क्षेत्रफल = 1/2 * D1 * D2 ________________________ अत: ==> समचतुर्भुज का परिमाप = 4 × भुजा ==> 40 = 4 × भुजा ==> भुजा = 40/4 ==> भुजा = 10 मीटर ________________________ एक समचतुर्भुज PQRS है , जिसमें, PR & SQ विकर्ण हैं ! समचतुर्भुज PQRS के अन्दर 4 समकोण त्रिभुज बनते हैं ! समकोण त्रिभुज ∆ SXR , SX = SQ/2 XR = PQ/2 = 12/2 = 6 SR = 10 पाइथागोरस प्रमेय से, ★ (कर्ण)² = (लम्ब)² + (आधार)² ==> (लम्ब)² = (कर्ण)² - (आधार)² ==> SX² = 10² - 6² ==> SX² = 100 - 36 ==>SX² = 64 ==>SX = √64 ==>SX = 8 •°• SQ = 8 × 2 = 16 ___________________________ अत: ==> समचतुर्भुज का क्षेत्रफल = 1/2 * D1 * D2 जहाँ, D1 = विकर्ण (SQ) D2 = विकर्ण(PR) ==> समचतुर्भुज का क्षेत्रफल = 1/2 × 16 × 12 ==> समचतुर्भुज का क्षेत्रफल = 8 × 12 ==> समचतुर्भुज का क्षेत्रफल = 96 मीटर² ( उत्तर) __________________________

33.

12. एक समचतुर्भुज का परिमाप 40 मीटर हो तथा उसके विकर्ण की लम्बाई 12 मीटर हो तो इसका क्षेत्रफल ज्ञातकीजिए।Jo bhi iska sahi answer dega BRAINIEST mark kar dunga Agar galat hua to report kardunga

Answer»

प्रश्न

एक समचतुर्भुज का परिमाप 40 मीटर हो तथा उसके विकर्ण की लम्बाई 12 मीटर हो तो इसका क्षेत्रफल ज्ञात

कीजिए।

उत्तर

दिया है:-

एक समचतुर्भुज का परिमाप = 40 मीटर
विकर्ण की लम्बाई = 12 मीटर

ज्ञात करना है:-

समचतुर्भुज का क्षेत्रफल

स्पस्टीकरण

सूत्र

★ समचतुर्भुज का परिमाप = 4 × भुजा

★ समचतुर्भुज का क्षेत्रफल = 1/2 * D1 * D2

________________________

अत:

==> समचतुर्भुज का परिमाप = 4 × भुजा

==> 40 = 4 × भुजा

==> भुजा = 40/4

==> भुजा = 10 मीटर

________________________

एक समचतुर्भुज PQRS है , जिसमें, PR & SQ विकर्ण हैं !

समचतुर्भुज PQRS के अन्दर 4 समकोण त्रिभुज बनते हैं !

समकोण त्रिभुज ∆ SXR ,

SX = SQ/2
XR = PQ/2 = 12/2 = 6
SR = 10

पाइथागोरस प्रमेय से,

★ (कर्ण)² = (लम्ब)² + (आधार)²

==> (लम्ब)² = (कर्ण)² - (आधार)²

==> SX² = 10² - 6²

==> SX² = 100 - 36

==>SX² = 64

==>SX = √64

==>SX = 8

•°• SQ = 8 × 2 = 16

___________________________

अत:

==> समचतुर्भुज का क्षेत्रफल = 1/2 * D1 * D2

जहाँ,

D1 = विकर्ण (SQ)
D2 = विकर्ण(PR)

==> समचतुर्भुज का क्षेत्रफल = 1/2 × 16 × 12

==> समचतुर्भुज का क्षेत्रफल = 8 × 12

==> समचतुर्भुज का क्षेत्रफल = 96 मीटर²

( उत्तर)

__________________________

Discussion

34.	6. factorise x² +2√3 x – 24
Answer» ANSWER: it is X=-6.2982,3.46410 Step-by-step EXPLANATION: x² +2√3 x – 24=(x+6.2982)(x-3.46410) HOPE IT HELPS

34.

6. factorise x² +2√3 x – 24

Answer»

ANSWER:

it is X=-6.2982,3.46410

Step-by-step EXPLANATION:

x² +2√3 x – 24=(x+6.2982)(x-3.46410)

HOPE IT HELPS

Discussion

35.	1. Plot the points (-2,0) and (3,-4) in the coordinateplane.(CBSE 2011]2. Plot the points (0,-5) and (-2,-5) in the coordinateplane.[CBSE 2010, 2011)3. Plot the points on graph (-2,8), (-1,7), (0, -3),(1, 3), (3,-1).[CBSE 2011]4. Locate the points (5, 0), (0,5), (2, 5), (5,2),(-3, 5), (-3, - 5), (5, - 3) and (6, 1) in theCartesian plane.5. Plot the following points A(5,0), B(-1, 2),C(2,-2), D(0,4), E(-3,-3), F(0, -1).
Answer» Given : Points (-2,0) and (3,-4) To Find : Plot the points in the coordinate plane. Solution : Point (-2,0) x = - 2 y = 0 x = - 2 HENCE GO 2 unit left of origin y = 0 Hence point is on x axis so 2 unit left of origin is point (-2,0) Point (3,-4) x =3 y = -4 x =3 Hence go 3 unit right of origin y =-4 Hence go 4 unit below that and MARK point ( 3 , - 4) Same WAY do the other Questions Please post Questions one by one Learn More: Plot the following ordered pairs on a graph sheet. What do you ... brainly.in/question/13685020 Plot the following pair of points on the axes and join them with line ... brainly.in/question/13688856

35.

1. Plot the points (-2,0) and (3,-4) in the coordinateplane.(CBSE 2011]2. Plot the points (0,-5) and (-2,-5) in the coordinateplane.[CBSE 2010, 2011)3. Plot the points on graph (-2,8), (-1,7), (0, -3),(1, 3), (3,-1).[CBSE 2011]4. Locate the points (5, 0), (0,5), (2, 5), (5,2),(-3, 5), (-3, - 5), (5, - 3) and (6, 1) in theCartesian plane.5. Plot the following points A(5,0), B(-1, 2),C(2,-2), D(0,4), E(-3,-3), F(0, -1).

Answer»

Given : Points (-2,0) and (3,-4)

To Find : Plot the points in the coordinate plane.

Solution :

Point (-2,0)

x = - 2

y = 0

x = - 2 HENCE GO 2 unit left of origin

y = 0 Hence point is on x axis

so 2 unit left of origin is point (-2,0)

Point (3,-4)

x =3

y = -4

x =3 Hence go 3 unit right of origin

y =-4 Hence go 4 unit below that

and MARK point ( 3 , - 4)

Same WAY do the other Questions

Please post Questions one by one

Learn More:

Plot the following ordered pairs on a graph sheet. What do you ...

brainly.in/question/13685020

Plot the following pair of points on the axes and join them with line ...

brainly.in/question/13688856

Discussion

36.	6(c)PAGE NODATEIf x=y=zshow thatabC3oc+ Zxyz333aC
Answer» ANSWER: I can't UNDERSTAND the QUESTION can you POST it again

36.

6(c)PAGE NODATEIf x=y=zshow thatabC3oc+ Zxyz333aC

Answer»

ANSWER:

I can't UNDERSTAND the QUESTION can you POST it again

Discussion

37.	From an aeroplane vertically above the straight horizontal plane, the angles of depression of two consecutive kilometer stones on opposite sides of the aeroplane are found to be A and B. Which of the following is the height of the aeroplane in kilometres?1tanAtanBtanAtanBtanB−tanAtanAtanBtanA+tanBtanA+tanBtanAtanB answer little fast and I will give u brainliest
Answer» ANSWER: i DONT knowkdjdbdididhdudiehhdirhegrjfjrvrgufhegf

37.

From an aeroplane vertically above the straight horizontal plane, the angles of depression of two consecutive kilometer stones on opposite sides of the aeroplane are found to be A and B. Which of the following is the height of the aeroplane in kilometres?1tanAtanBtanAtanBtanB−tanAtanAtanBtanA+tanBtanA+tanBtanAtanB answer little fast and I will give u brainliest

Answer»

ANSWER:

i DONT knowkdjdbdididhdudiehhdirhegrjfjrvrgufhegf

Discussion

38.	ANSWER ONLY WITH SOLUTIONS. CORRECT ANSWER WILL BE MARKED AS BRAINLIST. WITH SOLUTIONS....5.8748, 2916, 972, 324, ?, 36a) 184b) 206c) 108d) 1426.340. 2040, 408, 1632, 544, ?a) 1430b) 1172c) 1328d) 10887.ZBAY, JRQI, OMLN, YCBX, ?a) DXWCb) XCBYc) VDEWd) FUVE
Answer» answer 5. a)184 6. d) 1088 7) B. FUVE

38.

ANSWER ONLY WITH SOLUTIONS. CORRECT ANSWER WILL BE MARKED AS BRAINLIST. WITH SOLUTIONS....5.8748, 2916, 972, 324, ?, 36a) 184b) 206c) 108d) 1426.340. 2040, 408, 1632, 544, ?a) 1430b) 1172c) 1328d) 10887.ZBAY, JRQI, OMLN, YCBX, ?a) DXWCb) XCBYc) VDEWd) FUVE

Answer»

answer

5.

a)184

6.

d) 1088

7)

B. FUVE

Discussion

39.	in a small town there are 2476 men and 3038 womens if the population of the town is 9000 what is the number of children in the town
Answer» Answer: 3486 Step-by-step explanation: number of MEN = 2476 number of WOMEN = 3038 total number of ADULTS ( men + women) = 2476+3038 = 5514 therefore total number of children = total POPULATION - number of adults = 9000-5514 =3486 so, there are 3486 children in the TOWN

39.

in a small town there are 2476 men and 3038 womens if the population of the town is 9000 what is the number of children in the town

Answer»

Answer:

3486

Step-by-step explanation:

number of MEN = 2476

number of WOMEN = 3038

total number of ADULTS ( men + women) = 2476+3038

= 5514

therefore total number of children = total POPULATION - number of adults

= 9000-5514

=3486

so, there are 3486 children in the TOWN

Discussion

40.	(x/5-3y)^2 expand the following
Answer» Answer: HERE IS UR ANSWER Applied IDENTITY : (a-B)^2 = (a)^2 - 2AB + (b)^2 SOLUTION (x/5)^2 - 2*(x/5)(3y) + (3y)^2 x^2/25 - 6xy/5 + 9y^2 mark as brainliest answer

40.

(x/5-3y)^2 expand the following

Answer»

Answer:

HERE IS UR ANSWER

Applied IDENTITY : (a-B)^2 = (a)^2 - 2AB + (b)^2

SOLUTION

(x/5)^2 - 2*(x/5)(3y) + (3y)^2

x^2/25 - 6xy/5 + 9y^2

mark as brainliest answer

Discussion

41.	एक कार 15 किमी / घंटा की गति45 किमी की दूरीकी दूरी तय करतीयह अगले 50 किमी की यात्रा 25किमी / घंटा की गति से और अंतिम 25 किमी की यात्रा 10 किमी /घंटा की गती से पूरा करती है ।कार की औसत गति क्या है?
Answer» Given :- Car covers covers 45 kilometre at speed of 15 kilometre per hour. It covers next 50 kilometre at speed of 25 kilometre per hour. And covers last 25 kilometre at speed of 10 kilometre per hour . To FIND :- AVERAGE speed of the car. Solution :- $\boxed{\sf{Average\:Speed= \frac{Total\: Distance}{Total\: time \: taken } }}\\$ Firstly let's find total time taken in each case. 1st case :- → Distance covered by car = 45 kilometre → Speed of car = 15 kilometre per hour $\boxed{\sf{Time\:taken= \dfrac{Distance}{Speed} }}\\$ → $\sf{ \frac{45}{15} = 3 \: hours}\\$ To cover 45 kilometres the car took 3 hours . 2nd case :- → Distance covered by car = 50 kilometre → Speed of car = 25 kilometre per hour → $\sf{ \frac{50}{25} = 2\: hours}\\$ To cover 50 kilometre the car took 2 hours. 3rd case :- → Distance covered by car = 25 kilometre → Speed of car = 10 kilometre per hour → $\sf{ \frac{25}{10} = 2.5 \: hours}\\$ To cover 25 kilometre the car took 2.5 hours. → Now total distance covered by car = [45+50+25] kilometre Total distance = 120 kilometres → Total time taken = [3+2+2.5]hours Total time taken = 7.5 hours $\sf{Average\:speed = \dfrac{120}{7.5} = 16}\\$ So average speed of the car is 16 kilometre per hour.

41.

एक कार 15 किमी / घंटा की गति45 किमी की दूरीकी दूरी तय करतीयह अगले 50 किमी की यात्रा 25किमी / घंटा की गति से और अंतिम 25 किमी की यात्रा 10 किमी /घंटा की गती से पूरा करती है ।कार की औसत गति क्या है?

Answer»

Given :-

Car covers covers 45 kilometre at speed of 15 kilometre per hour.

It covers next 50 kilometre at speed of 25 kilometre per hour.

And covers last 25 kilometre at speed of 10 kilometre per hour .

To FIND :-

AVERAGE speed of the car.

Solution :-

$\boxed{\sf{Average\:Speed= \frac{Total\: Distance}{Total\: time \: taken } }}\\$

Firstly let's find total time taken in each case.

1st case :-

→ Distance covered by car = 45 kilometre

→ Speed of car = 15 kilometre per hour

$\boxed{\sf{Time\:taken= \dfrac{Distance}{Speed} }}\\$

→ $\sf{ \frac{45}{15} = 3 \: hours}\\$

To cover 45 kilometres the car took 3 hours .

2nd case :-

→ Distance covered by car = 50 kilometre

→ Speed of car = 25 kilometre per hour

→ $\sf{ \frac{50}{25} = 2\: hours}\\$

To cover 50 kilometre the car took 2 hours.

3rd case :-

→ Distance covered by car = 25 kilometre

→ Speed of car = 10 kilometre per hour

→ $\sf{ \frac{25}{10} = 2.5 \: hours}\\$

To cover 25 kilometre the car took 2.5 hours.

→ Now total distance covered by car = [45+50+25] kilometre

Total distance = 120 kilometres

→ Total time taken = [3+2+2.5]hours

Total time taken = 7.5 hours

$\sf{Average\:speed = \dfrac{120}{7.5} = 16}\\$

So average speed of the car is 16 kilometre per hour.

Discussion

42.	Which is the greatest number that divides 732 and 1174 leaving 3 and 4respectively as remainders?PLEASE GIVE ANSWER HERE
Answer» The NUMBER will DIVIDE 729 without remainder. Also, it will divide 1170 without remainder. The number is a factor of 729 and 1170 By PRIME factorization 729=9³=3⁶, 1170=10·117=(2·5)·(9·13)=2·3²·5·13 The HCF will be 3²(or 9). VERIFICATION - DIVISIBLITY TEST OF 9 7+3+2=12=9+3 / Remainder of 3 1+1+7+4=9+4 / Remainder of 4 Therefore 9 is the greatest number.

42.

Which is the greatest number that divides 732 and 1174 leaving 3 and 4respectively as remainders?PLEASE GIVE ANSWER HERE

Answer»

The NUMBER will DIVIDE 729 without remainder.

Also, it will divide 1170 without remainder.

The number is a factor of 729 and 1170

By PRIME factorization

729=9³=3⁶, 1170=10·117=(2·5)·(9·13)=2·3²·5·13

The HCF will be 3²(or 9).

VERIFICATION - DIVISIBLITY TEST OF 9

7+3+2=12=9+3 / Remainder of 3

1+1+7+4=9+4 / Remainder of 4

Therefore 9 is the greatest number.

Discussion

43.	In a certain group of 36 people only 18 are wearing hats and only 24 are wearing sweaters .if six people are wearing neither a hat nor a sweater ,then how many people are wearing both a hat a sweater?
Answer» N(U)=36 n(HATS)=18=n(H) n(SWEATERS)=24=n(S) n(Wearing neither hat nor Sweater) =6 n(S∪H)=n(U)− n(Wearing neither hat nor sweater) =36−6=30 n(S∪H)=n(S)+n(H)−n(S∩H) 30=24+18−n(S∩H) n(S∩H)=42−30=12 please add me in your brainlist

43.

In a certain group of 36 people only 18 are wearing hats and only 24 are wearing sweaters .if six people are wearing neither a hat nor a sweater ,then how many people are wearing both a hat a sweater?

Answer»

N(U)=36

n(HATS)=18=n(H)

n(SWEATERS)=24=n(S)

n(Wearing neither hat nor Sweater) =6

n(S∪H)=n(U)− n(Wearing neither hat nor sweater) =36−6=30

n(S∪H)=n(S)+n(H)−n(S∩H)

30=24+18−n(S∩H)

n(S∩H)=42−30=12

please add me in your brainlist

Discussion

44.	3] If A is an event of a random experiment, such thatP(A): P(Adash) = 1:2, find the value of P(Adash).plz someone answer quickly
Answer» Answer: FIND the square root of 9216 by prime factorization METHOD - Brainly.in 11-Sep-2017 · 2 answers Answer: $Square \:root \: of \:9216=96$ Step-by-step explanation: Square root of 92162\| 9216___________2 ... 13 votes Answer: $Square \:root \:of \:9216=96$ Step-by-step explanation:Square root of ... More 0 votes Answer:The square root of 9216 is 96Step-by-step explanation:Step 1: Square root of 9216 2 ... More ImageBrainly APP · Installed 9216 - Find the square root of this number by prime factorisation method

44.

3] If A is an event of a random experiment, such thatP(A): P(Adash) = 1:2, find the value of P(Adash).plz someone answer quickly

Answer»

Answer:

FIND the square root of 9216 by prime factorization METHOD - Brainly.in

11-Sep-2017 · 2 answers

Answer: $Square \:root \: of \:9216=96$ Step-by-step explanation: Square root of 92162| 9216___________2 ...

13 votes

Answer: $Square \:root \:of \:9216=96$ Step-by-step explanation:Square root of ... More

0 votes

Answer:The square root of 9216 is 96Step-by-step explanation:Step 1: Square root of 9216 2 ... More

ImageBrainly APP · Installed

9216 - Find the square root of this number by prime factorisation method

Discussion

45.	2x^2+ 15x + 30 middle term factorisstion
Answer» *Middle term factorization* is not occur . Here, roots are imaginary roots . Because, √(-15) is present in this solution which is doesn't** exist. Hope it's helpful to you.

45.

2x^2+ 15x + 30 middle term factorisstion

Answer»

Middle term factorization is not occur .

Here, roots are imaginary roots .

Because, √(-15) is present in this solution which is doesn't exist.

Hope it's helpful to you.

Discussion

46.	Add this is a fraction please urgent if you give me a answer I mark as brainlist
Answer» Answer: 79/48 Step-by-step EXPLANATION: MARK as BRAINLIEST

46.

Add this is a fraction please urgent if you give me a answer I mark as brainlist

Answer»

Answer:

79/48

Step-by-step EXPLANATION:

MARK as BRAINLIEST

Discussion

47.	I WANT WITH SOLUTION. CORRECT ANSWER WILL BE MARKED AS BRAINLIST. SOLN.3. Complete the seriesNSV K7T, ?, E14P, BIONa) 221b) 20Lc) 22Ld) 16K4. 1386, 1386, 693, 231, 57.75, ?a) 18.25b) 11.55c) 24.65d) 15.45
Answer» Answer: 1st letter : N - 3 = K - 3 = H - 3 = E - 3 = B Middle letter : 5 + 2 = 7 + 3 = 10 + 4 = 14 + 5 = 19 2nd letter : V - 2 = T - 2 = R - 2 = P - 2 =

47.

I WANT WITH SOLUTION. CORRECT ANSWER WILL BE MARKED AS BRAINLIST. SOLN.3. Complete the seriesNSV K7T, ?, E14P, BIONa) 221b) 20Lc) 22Ld) 16K4. 1386, 1386, 693, 231, 57.75, ?a) 18.25b) 11.55c) 24.65d) 15.45

Answer»

Answer:

1st letter : N - 3 = K - 3 = H - 3 = E - 3 = B

Middle letter : 5 + 2 = 7 + 3 = 10 + 4 = 14 + 5 = 19

2nd letter : V - 2 = T - 2 = R - 2 = P - 2 =

Discussion

48.	Factorize -1+y^2-70y
Answer» ANSWER: $\implies -1+y^{2}-70y \\ \implies -y^{2}-70y \\ \implies y(1+70)$

48.

Factorize -1+y^2-70y

Answer»

ANSWER:

$\implies -1+y^{2}-70y \\ \implies -y^{2}-70y \\ \implies y(1+70)$

Discussion

49.	Help me please please please please. Factorise.
Answer» ANSWER: this is the answer PLZ MARK as BRAINLIST

49.

Help me please please please please. Factorise.

Answer»

ANSWER:

this is the answer PLZ MARK as BRAINLIST

Discussion

50.	Pls solve.. simplification
Answer» ANSWER: √1024 Step-by-step EXPLANATION: √? ÷8×31=127.5-3.5 √?÷8×31=124 √?=124×8÷31 √?= 32 ?=(32)² ?= 1024 Therefore, √1024÷8×31=127.5-3.5

50.

Pls solve.. simplification

Answer»

ANSWER:

√1024

Step-by-step EXPLANATION:

√? ÷8×31=127.5-3.5

√?÷8×31=124

√?=124×8÷31

√?= 32

?=(32)²

?= 1024

Therefore, √1024÷8×31=127.5-3.5

Discussion

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6. factorise x² +2√3 x – 24​

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(x/5-3y)^2 expand the following

Which is the greatest number that divides 732 and 1174 leaving 3 and 4respectively as remainders?PLEASE GIVE ANSWER HERE

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Help me please please please please. Factorise.

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