332354 + Interview Questions in Secondary School in Math

1.	DdaCtan--Cosu1 + (87
Answer» ANSWER: PLEASE WRITE the QUESTION PROPERLY

1.

DdaCtan--Cosu1 + (87

Answer»

ANSWER:

PLEASE WRITE the QUESTION PROPERLY

Discussion

2.	A terminated line can produces
Answer» Step-by-step explanation: There are infinite numbers of lines which pass through TWO distinct points. A terminated LINE can be produced indefinitely on both the SIDES. If two circles are EQUAL, then their radii are equal.

2.

A terminated line can produces

Answer»

Step-by-step explanation:

There are infinite numbers of lines which pass through TWO distinct points. A terminated LINE can be produced indefinitely on both the SIDES. If two circles are EQUAL, then their radii are equal.

Discussion

3.	Solve Solve 2-3/5 fast
Answer» Step-by-step explanation: 2-0.6 = 1.4 ye lo apka ANS PLS FOLLOW me and mark me as BRAINLIST plss

3.

Solve Solve 2-3/5 fast

Answer»

Step-by-step explanation:

2-0.6

= 1.4 ye lo apka ANS

PLS FOLLOW me and mark me as BRAINLIST plss

Discussion

4.	2. *sin-1x + sin-11+ cos-1x + cos11is equal to
Answer» ANSWER: YES it is RIGHT because U rsnjff

4.

2. *sin-1x + sin-11+ cos-1x + cos11is equal to

Answer»

ANSWER:

YES it is RIGHT because U rsnjff

Discussion

5.	four cubes, each of sides 5cm are joined end to end. find the surface area of the resultant solid obtained
Answer» Step-by-step EXPLANATION: gugyvhbhbhvhbwiisoso

5.

four cubes, each of sides 5cm are joined end to end. find the surface area of the resultant solid obtained

Answer»

Step-by-step EXPLANATION:

gugyvhbhbhvhbwiisoso

Discussion

6.	Write if the set is empty ,unit infinite or finite.___________1. B= {Mayor of Talisay, Cebu}
Answer» ANSWER: MAYOR of TALISAY...! CONFUSION...!!

6.

Write if the set is empty ,unit infinite or finite.___________1. B= {Mayor of Talisay, Cebu}

Answer»

ANSWER:

MAYOR of TALISAY...!

CONFUSION...!!

Discussion

7.	Answer this।।।।।।।।।।।
Answer» ANSWER: The answer is C Step-by-step EXPLANATION: MARK me as BRAINLIEST

7.

Answer this।।।।।।।।।।।

Answer»

ANSWER:

The answer is C

Step-by-step EXPLANATION:

MARK me as BRAINLIEST

Discussion

8.	Only One Day!Up to 60% off rs3 gold will come for RS Premier Club 2021!Ready?
Answer» ANSWER: hi Step-by-step explanation: PLEASE MAKE me as a BRAINLIST please and thank please please please please please please

8.

Only One Day!Up to 60% off rs3 gold will come for RS Premier Club 2021!Ready?

Answer»

ANSWER:

hi

Step-by-step explanation:

PLEASE MAKE me as a BRAINLIST please and thank please please please please please please

Discussion

9.	the Angles of a quadrilateral are respectively equal to 11o degree , 50 degree, and 40 degree find the other angle
Answer» ANSWER: 10 is the answer Step-by-step EXPLANATION: MAY be it HELP for you

9.

the Angles of a quadrilateral are respectively equal to 11o degree , 50 degree, and 40 degree find the other angle

Answer»

ANSWER:

10 is the answer

Step-by-step EXPLANATION:

MAY be it HELP for you

Discussion

10.	3: If A (-9,0), B(-1,0) are two points. If P is apoint such that PA : PB = 3:1, then thelocus of P is(a) x² + y2 = 9 (b) x² + y2 + 9 = 0(c) x² - y2 = 9 (d) x² - y2 + 9 = 0
Answer» *HOPE it will HELP you❤❤* *hope it will help you❤❤plzz SUPPORT me❤*

10.

3: If A (-9,0), B(-1,0) are two points. If P is apoint such that PA : PB = 3:1, then thelocus of P is(a) x² + y2 = 9 (b) x² + y2 + 9 = 0(c) x² - y2 = 9 (d) x² - y2 + 9 = 0

Answer»

HOPE it will HELP you❤❤

hope it will help you❤❤plzz SUPPORT me❤

Discussion

11.	इन द फिगर फाइंड एक्स
Answer» Step-by-step EXPLANATION: FOLLOW me vote and THANK me mark me as a BRAINLIST

11.

इन द फिगर फाइंड एक्स

Answer»

Step-by-step EXPLANATION:

FOLLOW me

vote and THANK me

mark me as a BRAINLIST

Discussion

12.	Solve the following system of equation in x and y.ax + by = 1 and bx + ay =2ab/a²b²
Answer» Answer: The given SYSTEM of EQUATIONS MAY be written as ax+by−1=0 bx+ay− a 2 +b 2 2ab =0 By cross-multiplication, we have b×− a 2 +b 2 2ab −a×−1 x = a×− a 2 +b 2 2ab −b×−1 −y = a×a−b×b 1 ⇒ a 2 +b 2 −2ab 2 +a x = a 2 +b 2 −2a 2 b +b −y = a 2 =b 2 1 ⇒ a 2 +b 2 −2ab 2 +a 3 +ab 2 x = a 2 +b 2 −2a 2 b+a 2 b+b 3 −y = a 2 −b 2 1 ⇒ a 2 +b 2 a 3 −ab 2 x = a 2 +b 2 −a 2 b+b 3 −y = a 2 −b 2 1 ⇒ a 2 +b 2 a(a 2 −b 2 ) x = a 2 +b 2 b(a 2 −b 2 ) −y = a 2 −b 2 1 ⇒x= a 2 +b 2 a(a 2 −b 2 ) × a 2 −b 2 1 and y= a 2 +b 2 b(a 2 −b 2 ) × a 2 −b 2 1 ⇒x= a 2 +b 2 a and y= a 2 +b 2 b Hence, the solution of the given system of equations is x= a 2 +b 2 a ,y= a 2 +b 2 b.

12.

Solve the following system of equation in x and y.ax + by = 1 and bx + ay =2ab/a²b²

Answer»

Answer:

The given SYSTEM of EQUATIONS MAY be written as

ax+by−1=0

bx+ay−

a

2

+b

2

2ab

=0

By cross-multiplication, we have

b×−

a

2

+b

2

2ab

−a×−1

x

=

a×−

a

2

+b

2

2ab

−b×−1

−y

=

a×a−b×b

1

⇒

a

2

+b

2

−2ab

2

+a

x

=

a

2

+b

2

−2a

2

b

+b

−y

=

a

2

=b

2

1

⇒

a

2

+b

2

−2ab

2

+a

3

+ab

2

x

=

a

2

+b

2

−2a

2

b+a

2

b+b

3

−y

=

a

2

−b

2

1

⇒

a

2

+b

2

a

3

−ab

2

x

=

a

2

+b

2

−a

2

b+b

3

−y

=

a

2

−b

2

1

⇒

a

2

+b

2

a(a

2

−b

2

)

x

=

a

2

+b

2

b(a

2

−b

2

)

−y

=

a

2

−b

2

1

⇒x=

a

2

+b

2

a(a

2

−b

2

)

×

a

2

−b

2

1

and y=

a

2

+b

2

b(a

2

−b

2

)

×

a

2

−b

2

1

⇒x=

a

2

+b

2

a

and y=

a

2

+b

2

b

Hence, the solution of the given system of equations is x=

a

2

+b

2

a

,y=

a

2

+b

2

b.

Discussion

13.	Will you Enjoy RS3 Premier Club 2021 with Up to 60% off rs 3 gold?
Answer» ANSWER: THANKS for FREE POINT

13.

Will you Enjoy RS3 Premier Club 2021 with Up to 60% off rs 3 gold?

Answer»

ANSWER:

THANKS for FREE POINT

Discussion

14.	മലയാളികൾ ആരെങ്കിലും...?
Answer» $\huge\orange{\underline{\overline{\tt\: ☘︎☘︎Hello☘︎☘︎}}\mid}$ ഉണ്ട് എവിടെയാ സ്ഥലം ? മലയാളികൾ ഇല്ലാതെ എന്ത് BRAINLY. (≧▽≦)

14.

മലയാളികൾ ആരെങ്കിലും...?

Answer»

$\huge\orange{\underline{\overline{\tt\: ☘︎☘︎Hello☘︎☘︎}}\mid}$

ഉണ്ട്

എവിടെയാ സ്ഥലം ?

മലയാളികൾ ഇല്ലാതെ എന്ത് BRAINLY. (≧▽≦)

Discussion

15.	Construct a Quadrilateral ABCD with AB=4.5cm,BC=5.5cm,AD=6cm,and AC=7cm
Answer» Step-by-step EXPLANATION: her is your ANSWER to this QUESTION

15.

Construct a Quadrilateral ABCD with AB=4.5cm,BC=5.5cm,AD=6cm,and AC=7cm

Answer»

Step-by-step EXPLANATION:

her is your ANSWER to this QUESTION

Discussion

16.	F(x) = x²+$(x) = 3x+1.are two real function, and value of{f +g)(x) (f-g) (x), (fg)(x) (F÷9)(x)
Answer» SORRY I didn't KNOW about this

16.

F(x) = x²+$(x) = 3x+1.are two real function, and value of{f +g)(x) (f-g) (x), (fg)(x) (F÷9)(x)

Answer»

SORRY I didn't KNOW about this

Discussion

17.	The ratio of two number is 11:9 their sum is 180. find the number.
Answer» Given: The ratio of two numbers is 11:9 Sum of two numbers = 180 To find: The numbers? Solution: ☯ Let the two numbers be 11x and 9x. According to the given Question: First NUMBER + SECOND number = 180 ⇒ 11x + 9x = 180 ⇒ 20x = 180 ⇒ x = 180/20 ⇒ x = 9 Therefore, First number, 11x = 11 × 9 = 99 Second number, 9x = 9 × 9 = 81 Hence, the required two numbers are 99 and 81 respectively. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Verification: It is given that, Sum of required two numbers = 180 Therefore, → 99 + 81 = 180 → 180 = 180 → LHS = RHS Hence, Proved!

17.

The ratio of two number is 11:9 their sum is 180. find the number.

Answer»

Given:

The ratio of two numbers is 11:9
Sum of two numbers = 180

To find:

The numbers?

Solution:

☯ Let the two numbers be 11x and 9x.

According to the given Question:

First NUMBER + SECOND number = 180

⇒ 11x + 9x = 180

⇒ 20x = 180

⇒ x = 180/20

⇒ x = 9

Therefore,

First number, 11x = 11 × 9 = 99
Second number, 9x = 9 × 9 = 81

Hence, the required two numbers are 99 and 81 respectively.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Verification:

It is given that,

Sum of required two numbers = 180

Therefore,

→ 99 + 81 = 180

→ 180 = 180

→ LHS = RHS

Hence, Proved!

Discussion

18.	35.The HCF of 6 and 20 is
Answer» Answer: 6 = 2×3 20 = 2×2×5 Hence, HCF = 2

18.

35.The HCF of 6 and 20 is

Answer»

Answer:

6 = 2×3

20 = 2×2×5

Hence, HCF = 2

Discussion

19.	Express 5/2 as a mixed faction Options =1 1/2 2 1/2 3 1/2 4 1/2
Answer» Answer: 2whole 1/2 is your answer Step-by-step EXPLANATION: HOPE it HELPS you!!

19.

Express 5/2 as a mixed faction Options =1 1/2 2 1/2 3 1/2 4 1/2

Answer»

Answer:

2whole 1/2 is your answer

Step-by-step EXPLANATION:

HOPE it HELPS you!!

Discussion

20.	ABCD is a cyclic quadrilateral and AB is diameter and angle D is 130. find X
Answer» Answer:Therefore X=40 Step-by-step explanation: DRAW a line JOINING A and C. therefore,∠ACB=90 (angle SUBTENDED by the diameter of circle) and ∠ABC is the supplementary angle of ∠ADC. (opposite angles of CYCLIC QUADRILATERAL) ∴∠ABC=180−∠ADC=180−130=50 ∠BAC=180−(∠ACB+∠ABC) =180−50−90=40

20.

ABCD is a cyclic quadrilateral and AB is diameter and angle D is 130. find X

Answer»

Answer:Therefore X=40

Step-by-step explanation:

DRAW a line JOINING A and C.

therefore,∠ACB=90 (angle SUBTENDED by the diameter of circle)

and ∠ABC is the supplementary angle of ∠ADC. (opposite angles of CYCLIC QUADRILATERAL)

∴∠ABC=180−∠ADC=180−130=50

∠BAC=180−(∠ACB+∠ABC)

=180−50−90=40

Discussion

21.	Please help me armys and blinks
Answer» ANSWER: uwobwwbe ebsjwhwwjjwhwhhw

21.

Please help me armys and blinks

Answer»

ANSWER:

uwobwwbe ebsjwhwwjjwhwhhw

Discussion

22.	Abraham bought a music system for Rs. 6375.00and spent Rs. 75.00 on its transportation. He soldut for Rs. 6100.00. Find his gain or loss %?
Answer» Answer: 100000 will be in the answer to your QUESTION Step-by-step explanation: FOLLOW me and give me 5 thanks and BRAINLIEST answer please

22.

Abraham bought a music system for Rs. 6375.00and spent Rs. 75.00 on its transportation. He soldut for Rs. 6100.00. Find his gain or loss %?

Answer»

Answer:

100000 will be in the answer to your QUESTION

Step-by-step explanation:

FOLLOW me and give me 5 thanks and BRAINLIEST answer please

Discussion

23.	EXERCISE 20.1Find the curved surface area of a cone, if its slant height is 60 crn and the radius of itsbase is 21 cm.1 The radius of a cone is 5 cm and vertical height is 12 cm. Find the area of the curvedsurface,1 The radius of a cone is 7 cm and area of curved surface is 176 cm? Find the slant height.The height of a cone is 21 cm. Find the area of the base if the slant height is 28 cm1. Find the total surface area of a right circular cone with radius 6 cm and height8cm.4. Find the curved surface area of a cone with base radius 5.25 cm and slant height10 cm.INCERT)1. Find the total surface area of a cone, if its slant height is 21 mand diameter of its base isINCERT)The area of the curved surface of a cone is 60 n cm². If the slant height of the cone be 8 cm,find the radius of the base.
Answer» Answer: PLEASE WRITE the question one by one I not UNDERSTOOD

23.

EXERCISE 20.1Find the curved surface area of a cone, if its slant height is 60 crn and the radius of itsbase is 21 cm.1 The radius of a cone is 5 cm and vertical height is 12 cm. Find the area of the curvedsurface,1 The radius of a cone is 7 cm and area of curved surface is 176 cm? Find the slant height.The height of a cone is 21 cm. Find the area of the base if the slant height is 28 cm1. Find the total surface area of a right circular cone with radius 6 cm and height8cm.4. Find the curved surface area of a cone with base radius 5.25 cm and slant height10 cm.INCERT)1. Find the total surface area of a cone, if its slant height is 21 mand diameter of its base isINCERT)The area of the curved surface of a cone is 60 n cm². If the slant height of the cone be 8 cm,find the radius of the base.

Answer»

Answer:

PLEASE WRITE the question one by one

I not UNDERSTOOD

Discussion

24.	In an arithmetic progression if a1=3 a2=5 then s3 is
Answer» ANSWER: gfs fxg vh nvc bv ncg bnf bfn nf bnf fnvn vfn v Step-by-step EXPLANATION: fg86f7ytciyfc86rf67tf7r6gx by hf h fgg dgh d hy yh rh dyh rt hy rt the

24.

In an arithmetic progression if a1=3 a2=5 then s3 is

Answer»

ANSWER:

gfs

fxg

vh

nvc

bv

ncg

bnf

bfn

nf

bnf

fnvn

vfn

v

Step-by-step EXPLANATION:

fg86f7ytciyfc86rf67tf7r6gx

by

hf

h

fgg

dgh

d

hy

yh

rh

dyh

rt

hy

rt

the

Discussion

25.	Find the values of x, y, z if (i)(x-3 3x-z ( 1 0x+y + 7 x+y+z) = 1 6)
Answer» ANSWER: x=4 y=6 Step-by-step EXPLANATION: MARK me as BRAINLIEST

25.

Find the values of x, y, z if (i)(x-3 3x-z ( 1 0x+y + 7 x+y+z) = 1 6)

Answer»

ANSWER:

x=4

y=6

Step-by-step EXPLANATION:

MARK me as BRAINLIEST

Discussion

26.	find the equation of line whose centre point is 3 and which is perpendicular to the line 3 x - Y + 23 = 0
Answer» ANSWER: I don't no. ....... .......

26.

find the equation of line whose centre point is 3 and which is perpendicular to the line 3 x - Y + 23 = 0

Answer»

ANSWER:

I don't no.

....... .......

Discussion

27.	Hey samii ❤♥️♥️♥️♥️♥️what happened yrr ...who said you're irritating .....plz don't thinks so yrr...don't thinks so yrr.it really hurts.....ur very special to us (armies) Ur very special to me special army friend...♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️plz Sameera .....change your bio ...if you'll not change I'll too put my bio as yours...very bad plz plz I request you......if there's any problem something hurting you tell me , tell us .... share with us ...we're there for you .... plz let sameera (samii) answer
Answer»

Discussion

28.	বায়ােলকিবে প্রতিটি প্রশ্নের উত্তর দিতে হবে। প্রতিটি প্রশ্নের৩। সামাজিকীকরণের সর্বাপেক্ষা শক্তিশালী বাহনকোনটি?কে শিক্ষাপ্রতিষ্ঠান খ) খেলার সাথিগ) স্থানীয় সমাজ ঘ) পরিবার।১১। ২০১০ সালে বাংলাদেশ জাতিসংঘ পুরস্কারলাভ করেছে কোন ক্ষেত্রে?নারীর ক্ষমতায়নেখ) জনসংখ্যা নিয়ন্ত্রণে
Answer» ANSWER: WRITE your question in English. I can't UNDERSTAND Hindi language.

28.

বায়ােলকিবে প্রতিটি প্রশ্নের উত্তর দিতে হবে। প্রতিটি প্রশ্নের৩। সামাজিকীকরণের সর্বাপেক্ষা শক্তিশালী বাহনকোনটি?কে শিক্ষাপ্রতিষ্ঠান খ) খেলার সাথিগ) স্থানীয় সমাজ ঘ) পরিবার।১১। ২০১০ সালে বাংলাদেশ জাতিসংঘ পুরস্কারলাভ করেছে কোন ক্ষেত্রে?নারীর ক্ষমতায়নেখ) জনসংখ্যা নিয়ন্ত্রণে

Answer»

ANSWER:

WRITE your question in English. I can't UNDERSTAND Hindi language.

Discussion

29.	Iff(x)=x2+2andg(x)=5x-8thenfind
Answer» ANSWER: FIND what BRO........MENTION

29.

Iff(x)=x2+2andg(x)=5x-8thenfind

Answer»

ANSWER:

FIND what BRO........MENTION

Discussion

30.	Which is following is proper fraction Options =1/2 5/4 3/2 9/2
Answer» Answer: 1/2 is a PROPER FRACTION

30.

Which is following is proper fraction Options =1/2 5/4 3/2 9/2

Answer»

Answer:

1/2 is a PROPER FRACTION

Discussion

31.	1 m : 1mm write the ratio in simplest form
Answer» Answer: 1:1 Step-by-step EXPLANATION: पानी आया… पानी आया… गरज रहे बादल घनघोर ठमक-ठमक कर नाचे मोर पी-पी रटने लगा पपीहा झन-झन-झन झींगुर का शोर दूर कहीं मेंढक टर्राया पानी आया… पानी आया… रिमझिम-रिमझिम बूंदें आईं खुशियों की सौगातें लाईं पेड़ों के पत्तों ने भरभर झूम-झूमकर तालियां बजाईं गर्मी का हो गया सफाया पानी आया… पानी आया… भीग रहे कुछ छाता ताने रानू-मोनू लगे नहाने छप-छप-छप-छप करते फिरते सपने जैसे हुए सयाने बच्चों का मन है हर्षाया

31.

1 m : 1mm write the ratio in simplest form

Answer»

Answer:

1:1

Step-by-step EXPLANATION:

पानी आया… पानी आया…

गरज रहे बादल घनघोर

ठमक-ठमक कर नाचे मोर

पी-पी रटने लगा पपीहा

झन-झन-झन झींगुर का शोर

दूर कहीं मेंढक टर्राया

पानी आया… पानी आया…

रिमझिम-रिमझिम बूंदें आईं

खुशियों की सौगातें लाईं

पेड़ों के पत्तों ने भरभर

झूम-झूमकर तालियां बजाईं

गर्मी का हो गया सफाया

पानी आया… पानी आया…

भीग रहे कुछ छाता ताने

रानू-मोनू लगे नहाने

छप-छप-छप-छप करते फिरते

सपने जैसे हुए सयाने

बच्चों का मन है हर्षाया

Discussion

32.	1013d)2 Sin x+ Sin' t art cos-x+cos - 1 / 1 is equal to(od 27 (ed 357 (dloaj se
Answer» ANSWER: bdsshdheyeyyegegegegegtqtgagsbzhzhbzhzgdgdh

32.

1013d)2 Sin x+ Sin' t art cos-x+cos - 1 / 1 is equal to(od 27 (ed 357 (dloaj se

Answer»

ANSWER:

bdsshdheyeyyegegegegegtqtgagsbzhzhbzhzgdgdh

Discussion

33.	व्हिच ऑफ द फॉलोइंग इज नॉट ट्रू
Answer» ANSWER: QUESTION to PUCHH.......

33.

व्हिच ऑफ द फॉलोइंग इज नॉट ट्रू

Answer»

ANSWER:

QUESTION to PUCHH.......

Discussion

34.	English:-if, f (-2) = 0 then show that √k is an irrational number.Bangali:-f (-2)=0 হলে দেখাও যে √k একটি অমুলদ সংখ্যা।
Answer» ANSWER: Here is your answer. I HOPE it HELPED you.

34.

English:-if, f (-2) = 0 then show that √k is an irrational number.Bangali:-f (-2)=0 হলে দেখাও যে √k একটি অমুলদ সংখ্যা।

Answer»

ANSWER:

Here is your answer. I HOPE it HELPED you.

Discussion

35.	9/x-12/y=13/17 5/x+4/y=41/30solve for x and y.
Answer» Step-by-step EXPLANATION: hint :- REPLACE 1/x by 'a' and 1/y by 'b' and solve simultaneous equation as USUAL

35.

9/x-12/y=13/17 5/x+4/y=41/30solve for x and y.

Answer»

Step-by-step EXPLANATION:

hint :- REPLACE 1/x by 'a' and 1/y by 'b' and solve simultaneous equation as USUAL

Discussion

36.	A man earn ₹107.10 daily. how much money will he earn in 65 days.
Answer» Answer: 6961.5 is your answer Step-by-step EXPLANATION: HOPE it HELPS you!!

36.

A man earn ₹107.10 daily. how much money will he earn in 65 days.

Answer»

Answer:

6961.5 is your answer

Step-by-step EXPLANATION:

HOPE it HELPS you!!

Discussion

37.	Please answer this. with solution I want so pls help me
Answer» Answer: 2* 54/24... The RESULT of 54/24 MULTIPLY by 2...

37.

Please answer this. with solution I want so pls help me

Answer»

Answer:

2* 54/24...

The RESULT of 54/24 MULTIPLY by 2...

Discussion

38.	Consider any 5 rational number find out which integer constitute them
Answer» Answer: 2,5,11,17,29 Step-by-step explanation: 1 will BE2 ,2 will be 5,3 will be11,4 will be 17 and 5 will be 29

38.

Consider any 5 rational number find out which integer constitute them

Answer»

Answer:

2,5,11,17,29

Step-by-step explanation:

1 will BE2 ,2 will be 5,3 will be11,4 will be 17 and 5 will be 29

Discussion

39.	Construct rectangle FLAT with, FL=6cm, LA=4cm.
Answer» Answer: 24cm^2 Step-by-step EXPLANATION: Area of rectangle = (FL) (LA) = (6CM)(4cm) = 24cm^2

39.

Construct rectangle FLAT with, FL=6cm, LA=4cm.

Answer»

Answer:

24cm^2

Step-by-step EXPLANATION:

Area of rectangle = (FL) (LA)

= (6CM)(4cm)

= 24cm^2

Discussion

40.	3x + 5x - ? . i thik that that it is 8x , but i am not sure .
Answer» Answer: 3x + 5X = 8X you are RIGHT

40.

3x + 5x - ? . i thik that that it is 8x , but i am not sure .

Answer»

Answer:

3x + 5X = 8X you are RIGHT

Discussion

41.	Two parallel rail tracks run north-south. Train A moves north with a speed of 72 Kmh -1 and train B moves south with a speed of 90 Kmh -1 . What is the(a) Velocity of B with respect to A ? (b) velocity of ground with respect to B ? (c) Velocity of monkey running on the roof of the train A against its motion( with a velocity of 28 Kmh -1 with respect to train A) as observed by a man standing on the ground.
Answer» Answer: (a)_ -18 km\h (b)_ -90km\h (c)_. -44km\h Step-by-step EXPLANATION: (a). if TWO bodies A and B are TRAVLING with velocity v and U. then, velocity of A with respect to B = velocity of B with respect A = - \| v-u \| (b). ground is at rest so, velocity of ground with repect to B = actual velocity of B with respect to ground. (c). again like first answer ............ -\|v-u\|

41.

Two parallel rail tracks run north-south. Train A moves north with a speed of 72 Kmh -1 and train B moves south with a speed of 90 Kmh -1 . What is the(a) Velocity of B with respect to A ? (b) velocity of ground with respect to B ? (c) Velocity of monkey running on the roof of the train A against its motion( with a velocity of 28 Kmh -1 with respect to train A) as observed by a man standing on the ground.

Answer»

Answer:

(a)_ -18 km\h

(b)_ -90km\h

(c)_. -44km\h

Step-by-step EXPLANATION:

(a). if TWO bodies A and B are TRAVLING with velocity v and U.

then,

velocity of A with respect to B = velocity of B with respect A = - | v-u |

(b). ground is at rest

so,

velocity of ground with repect to B = actual velocity of B with respect to

ground.

(c). again like first answer ............ -|v-u|

Discussion

42.	Prove itCos(π/2-x)cos(π/2-y)-sin(π/2-x)sin(π/2-y)=-cos(x+y)
Answer» Answer: LHS=RHS Step-by-step explanation: COS(π/2 - x) cos(π/2 - y) - SIN(π/2 - x) sin(π/2 - y) = -cos(x+y) sinx siny - COSX cosy = -(cosx cosy - sinx siny) sinx siny - cosx cosy = sinx siny - cosx cosy LHS = RHS Hence Proved

42.

Prove itCos(π/2-x)cos(π/2-y)-sin(π/2-x)sin(π/2-y)=-cos(x+y)

Answer»

Answer:

LHS=RHS

Step-by-step explanation:

COS(π/2 - x) cos(π/2 - y) - SIN(π/2 - x) sin(π/2 - y) = -cos(x+y)

sinx siny - COSX cosy = -(cosx cosy - sinx siny)

sinx siny - cosx cosy = sinx siny - cosx cosy

LHS = RHS

Hence Proved

Discussion

43.	Find the angle between the following straight lines ax+by+c=a+b, a(x-y)+b(x+y) =2bPlz answer me
Answer» ANSWER: which CLASS is this QUESTION BELONG to

43.

Find the angle between the following straight lines ax+by+c=a+b, a(x-y)+b(x+y) =2bPlz answer me

Answer»

ANSWER:

which CLASS is this QUESTION BELONG to

Discussion

44.	Determinedomain and range of relation & defened byR = f(x,x+6) y xe {0, 1, 2, 3, 4
Answer» Answer: Okkkkkkkkkkkkkkkk i will try it Step-by-step explanation: Okkkkkkkkkkkkkkkk 800 the Okkkkkkkkkkkkkkkk i will try it OK and CORRECT don't fake answer I will report you okay HMMMMM I will

44.

Determinedomain and range of relation & defened byR = f(x,x+6) y xe {0, 1, 2, 3, 4

Answer»

Answer:

Okkkkkkkkkkkkkkkk i will try it

Step-by-step explanation:

Okkkkkkkkkkkkkkkk 800 the

Okkkkkkkkkkkkkkkk i will try it OK and CORRECT don't fake answer I will report you okay HMMMMM I will

Discussion

45.	Solve this question by using method of elimination by substitution.1. 0.2x + 0.1y=25 2(x-2)-1.6y=116 please solve by explaining.
Answer» ANSWER: GIVEN *equations* 1. 0.2x + 0.1y=25 2. 2(X-2)-1.6y=116 To Find solve the equation by elimination Solution 2(x-2)-1.6y=116 ➥2x- 4- 1.6y = 116 ➥2x- 1.6y = 116 + 4 ➥2x - 1.6 y= 120 *Consider* *equation*** 1 0.2x + 0.1y=25 ➥x= 25- 0.1 y/ 0.2. ........3. ★*put* *the* *value* of x in *equation* ....2 2 x ( 25 - 0.1 y / 0.2) - 1.6 y = 120 ★ *By solving* *this* *further we get :* ➥*y = 50* ★*substitute the value of y = 50 in equation 3.* ➥x= 25 -0.1 x 50 /0.2 ➥x= 25 - 5 /0.2 *x= 100*

45.

Solve this question by using method of elimination by substitution.1. 0.2x + 0.1y=25 2(x-2)-1.6y=116 please solve by explaining.

Answer»

ANSWER:

GIVEN

equations

1. 0.2x + 0.1y=25

2. 2(X-2)-1.6y=116

To Find

solve the equation by elimination

Solution

2(x-2)-1.6y=116

➥2x- 4- 1.6y = 116

➥2x- 1.6y = 116 + 4

➥2x - 1.6 y= 120

Consider equation 1

0.2x + 0.1y=25

➥x= 25- 0.1 y/ 0.2. ........3.

★put the value of x in equation ....2

2 x ( 25 - 0.1 y / 0.2) - 1.6 y = 120

★ By solving this further we get :

➥y = 50

★substitute the value of y = 50 in equation 3.

➥x= 25 -0.1 x 50 /0.2

➥x= 25 - 5 /0.2

x= 100

Discussion

46.	There are eight people traveling in a lift. Their weights are given in the table below [ Anu 75kg
Answer» ANSWER: fullll QUESTION PLEASE.......

46.

There are eight people traveling in a lift. Their weights are given in the table below [ Anu 75kg

Answer»

ANSWER:

fullll QUESTION PLEASE.......

Discussion

47.	Length and breath of rectangle feld are 1 m 2 m respectively find the ratio of length to breath
Answer» Answer: 1/2 Step-by-step explanation: LENGHTH (L) = 1m Breadth (B) = 2m Ratio of LENGTH to breadth = L/B = 1/2

47.

Length and breath of rectangle feld are 1 m 2 m respectively find the ratio of length to breath

Answer»

Answer:

1/2

Step-by-step explanation:

LENGHTH (L) = 1m

Breadth (B) = 2m

Ratio of LENGTH to breadth = L/B

= 1/2

Discussion

48.	show that Line 3 x -4 Y + 5 = 0 7x - 8y + 5 =0 and 4 x + 5 Y - 45 =0. are concurrent.find the point of concurrence
Answer» ANSWER: Okkkkkkkkkkkkkkkk i will TRY it

48.

show that Line 3 x -4 Y + 5 = 0 7x - 8y + 5 =0 and 4 x + 5 Y - 45 =0. are concurrent.find the point of concurrence

Answer»

ANSWER:

Okkkkkkkkkkkkkkkk i will TRY it

Discussion

49.	If the sum of the zeroes of the quadratic polynomial 3x2-kx+6 is 3, then find the value of k.
Answer» Answer: given ONE ROOT of the Equation is 3 3x^2-kx+6=0 3(3)^2-K3+6=0 39-3k+6=0 27-3k+6=0 -3k+33=0 -3k=-33 k=33/3 k=11 The VALUE of k is 11

49.

If the sum of the zeroes of the quadratic polynomial 3x2-kx+6 is 3, then find the value of k.

Answer»

Answer:

given ONE ROOT of the Equation is 3

3x^2-kx+6=0

3(3)^2-K*3+6=0

3*9-3k+6=0

27-3k+6=0

-3k+33=0

-3k=-33

k=33/3

k=11

The VALUE of k is 11

Discussion

50.	The value of 3 power of -2
Answer» We have to FIND the VALUE of :- $\large({3}) \bf^{ - 2}$ We KNOW that :- $\boxed{\large({a}) \bf^{ - n} = \dfrac{1}{ {a}^{n} } }$ $\implies\sf({3}) ^{ - 2} = \dfrac{1}{ {3}^{2} }$ $\implies\sf \dfrac{1}{ {3} } \times \dfrac{1}{ {3} }$ $\implies\sf \dfrac{1}{ {9} }$ ANSWER : $\large({3}) \bf^{ - 2} = \dfrac{1}{9}$ ____________________ LEARN more : $\sf1)a^m\times a^n= {a}^{(m + n)}$ $\sf2) {( {a}^{m})}^{n} = {a}^{mn}$ $\sf3) {ab}^{n} = {a}^{n} {b}^{n}$ $\sf4) \frac{ {(a)}^{m} }{ {(a)}^{n} } = {a}^{m - n}$ $\sf5) {a}^{ - b} = \frac{1}{ {a}^{b} }$

50.

The value of 3 power of -2

Answer»

We have to FIND the VALUE of :-

$\large({3}) \bf^{ - 2}$

We KNOW that :-

$\boxed{\large({a}) \bf^{ - n} = \dfrac{1}{ {a}^{n} } }$

$\implies\sf({3}) ^{ - 2} = \dfrac{1}{ {3}^{2} }$

$\implies\sf \dfrac{1}{ {3} } \times \dfrac{1}{ {3} }$

$\implies\sf \dfrac{1}{ {9} }$

ANSWER :

$\large({3}) \bf^{ - 2} = \dfrac{1}{9}$

____________________

LEARN more :

$\sf1)a^m\times a^n= {a}^{(m + n)}$

$\sf2) {( {a}^{m})}^{n} = {a}^{mn}$

$\sf3) {ab}^{n} = {a}^{n} {b}^{n}$

$\sf4) \frac{ {(a)}^{m} }{ {(a)}^{n} } = {a}^{m - n}$

$\sf5) {a}^{ - b} = \frac{1}{ {a}^{b} }$

Discussion

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