332354 + Interview Questions in Secondary School in Math

1.	. 10. Find x and y, if / \|\| m \|\| n.85085°(6x + 5y)90°(6x + 6y)Imn.
Answer» Answer: x =85 ANDY =90 as the FIRST US proved by alternate SIDE and the second by corresponding side

1.

. 10. Find x and y, if / || m || n.85085°(6x + 5y)90°(6x + 6y)Imn.

Answer»

Answer:

x =85 ANDY =90

as the FIRST US proved by alternate SIDE and the second by corresponding side

Discussion

2.	1 Divide 750 in the ratio 9:6.1
Answer» Answer: 450:300 Step-by-step EXPLANATION: Step 1 : Add the ratio in which the no. is to be divided it's 15 Step 2: Divide the no. by this RESULTING no. $\frac{750}{15}$ it's 50. Step 3: MULTIPLY resulting no. to the ratio 450:300

2.

1 Divide 750 in the ratio 9:6.1

Answer»

Answer:

450:300

Step-by-step EXPLANATION:

Step 1 :

Add the ratio in which the no. is to be divided

it's 15

Step 2:

Divide the no. by this RESULTING no.

$\frac{750}{15}$

it's 50.

Step 3:

MULTIPLY resulting no. to the ratio

450:300

Discussion

3.	Please solve the question with step by step
Answer» ANSWER: 7/3125 Or 0.00224 Step-by-step explanation: 7³×1/49×5³×1/(25×25×25×25) =7×1/(25×25×5) {after CANCELLING} =7/3125=0.00224 Don't FORGET to MARK as BRAINLIEST ANSWER!

3.

Please solve the question with step by step

Answer»

ANSWER:

7/3125 Or 0.00224

Step-by-step explanation:

7³×1/49×5³×1/(25×25×25×25)

=7×1/(25×25×5) {after CANCELLING}

=7/3125=0.00224

Don't FORGET to MARK as BRAINLIEST ANSWER!

Discussion

4.	- How many sides does ceoregulare polygon have if themoasine qe an exteriorangle is 0165°?
Answer» Answer: 3556677u66655 Step-by-step EXPLANATION: ggffhuuu7⁶tygghjgghjm

4.

- How many sides does ceoregulare polygon have if themoasine qe an exteriorangle is 0165°?

Answer»

Answer:

3556677u66655

Step-by-step EXPLANATION:

ggffhuuu7⁶tygghjgghjm

Discussion

5.	Opmpoogood people. Thewater is filled in a water tanker which is inheoldeshencalend as shown in the ko Bure. The
Answer» Answer: Bhai kuch soch ke likh LIYA kar KYA hai kya ye

5.

Opmpoogood people. Thewater is filled in a water tanker which is inheoldeshencalend as shown in the ko Bure. The

Answer»

Answer:

Bhai kuch soch ke likh LIYA kar KYA hai kya ye

Discussion

6.	X^2/4+2x+4 factorise the following
Answer» Step-by-step EXPLANATION: $\frac{ {x}^{2} }{4} + 2x + 4 = 0 \\ {x}^{2} + 8x + 16 = 0 \\ {(x + 4)}^{2} = 0 \\ x + 4 = 0 \\ x = - 4$

6.

X^2/4+2x+4 factorise the following

Answer»

Step-by-step EXPLANATION:

$\frac{ {x}^{2} }{4} + 2x + 4 = 0 \\ {x}^{2} + 8x + 16 = 0 \\ {(x + 4)}^{2} = 0 \\ x + 4 = 0 \\ x = - 4$

Discussion

7.	What is anylatic function
Answer» in mathematics, an analytic FUNCTION is a function that is locally GIVEN by a convergent power series. ... A function is analytic if and only if its TAYLOR series about x0 CONVERGES to the function in some neighborhood for every x0 in its DOMAIN.

Discussion

8.	Write the coordinates of the vertices of a rectangle whose length and breadth are 8 and 5 units respectively on vertex at 10 longest lies on the x-axis at all of the vertices lies in the second quadrant
Answer» Step-by-step EXPLANATION: (8,5) is the ANSWER of the QUESTION

8.

Write the coordinates of the vertices of a rectangle whose length and breadth are 8 and 5 units respectively on vertex at 10 longest lies on the x-axis at all of the vertices lies in the second quadrant

Answer»

Step-by-step EXPLANATION:

(8,5) is the ANSWER of the QUESTION

Discussion

9.	If a pole hm high casts a shadow √3/3 h meter long on the ground find the sun's elevation?
Answer» Solution :- LENGTH of the POLE = H meters Length of the shadow = (√3/3 ) * h meters Let θ be the angle of SUN's elevation The ratio of length of pole and shadow is TAN θ ⇒ tanθ = Lengths of the pole / Length of the shadow $\implies \tan \theta = \dfrac{h}{ \dfrac{ \sqrt{3} }{3}h}$ $\implies \tan \theta = \dfrac{1}{ \dfrac{ \sqrt{3} }{3}}$ $\implies \tan \theta =1 \times \dfrac{3}{ \sqrt{3} }$ $\implies \tan \theta = \dfrac{3}{ \sqrt{3} }$ $\implies \tan \theta = \sqrt{3}$ $\implies \tan \theta = \tan60$ [ Because tan60 = √3 ] $\implies \theta = 60$ Therefore 60° is the angle of sun's elevation.

9.

If a pole hm high casts a shadow √3/3 h meter long on the ground find the sun's elevation?

Answer»

Solution :-

LENGTH of the POLE = H meters

Length of the shadow = (√3/3 ) * h meters

Let θ be the angle of SUN's elevation

The ratio of length of pole and shadow is TAN θ

⇒ tanθ = Lengths of the pole / Length of the shadow

$\implies \tan \theta = \dfrac{h}{ \dfrac{ \sqrt{3} }{3}h}$

$\implies \tan \theta = \dfrac{1}{ \dfrac{ \sqrt{3} }{3}}$

$\implies \tan \theta =1 \times \dfrac{3}{ \sqrt{3} }$

$\implies \tan \theta = \dfrac{3}{ \sqrt{3} }$

$\implies \tan \theta = \sqrt{3}$

$\implies \tan \theta = \tan60$

[ Because tan60 = √3 ]

$\implies \theta = 60$

Therefore 60° is the angle of sun's elevation.

Discussion

10.	1 part/this/study/tour/ of their/was-> This tour way ofii) Hearing/just/lot/is/listening/of.lii) was a part of/the patient's/ the doctor/family.IV) but also/an/art/dance/ a therapy/is not onlyhelps/you/calories/exercise/to burnVI) donate blood/after/three months/one can/a gap of
Answer» Answer: 1. this TOUR was part of their study. 2.listening is just LOT of hearing. 3.the doctor was a part of the patients family. 4. DANCE is not only an art but also a THERAPY EXERCISE helps you to burn calories. 5.one can donate blood after gap of three months.

10.

1 part/this/study/tour/ of their/was-> This tour way ofii) Hearing/just/lot/is/listening/of.lii) was a part of/the patient's/ the doctor/family.IV) but also/an/art/dance/ a therapy/is not onlyhelps/you/calories/exercise/to burnVI) donate blood/after/three months/one can/a gap of

Answer»

Answer:

1. this TOUR was part of their study.

2.listening is just LOT of hearing.

3.the doctor was a part of the patients family.

4. DANCE is not only an art but also a THERAPY EXERCISE helps you to burn calories.

5.one can donate blood after gap of three months.

Discussion

11.	Using identity (x+y)(x-y) evaluate (1.52×9.12-0.52×31.2)/2.04
Answer» Step-by-step EXPLANATION: - 492/425 this the ANSWER

11.

Using identity (x+y)(x-y) evaluate (1.52×9.12-0.52×31.2)/2.04

Answer»

Step-by-step EXPLANATION:

- 492/425

this the ANSWER

Discussion

12.	Balance the following equationPlease balance those 4 ........If you know the right answer then only answer.........
Answer» Answer: 1) 2HNO3+ CA (OH)2 GIVES Ca (NO3)2 +2H2O

12.

Balance the following equationPlease balance those 4 ........If you know the right answer then only answer.........

Answer»

Answer:

1) 2HNO3+ CA (OH)2 GIVES Ca (NO3)2 +2H2O

Discussion

13.	RCISES4.What will be the weight of roof truss given byfollowing the expression?(a) 2002 kg(c) 2012 kg(b) 105.75 kg(d) 2016 kg
Answer» Answer: 2002+2002=4004 2012+20124024= 105.75+105.75=211.5 2016+2016=4032

13.

RCISES4.What will be the weight of roof truss given byfollowing the expression?(a) 2002 kg(c) 2012 kg(b) 105.75 kg(d) 2016 kg

Answer»

Answer:

2002+2002=4004
2012+20124024=
105.75+105.75=211.5
2016+2016=4032

Discussion

14.	If a pole hm high casts a shadow √3/3 h meter long on the ground find the sun's elevation?Please answer fast
Answer» ANSWER: THETA is EQUAL to 60 DEGREE

14.

If a pole hm high casts a shadow √3/3 h meter long on the ground find the sun's elevation?Please answer fast

Answer»

ANSWER:

THETA is EQUAL to 60 DEGREE

Discussion

15.	Two coins are tossed simultaneously the probability of getting at the most one head is
Answer» ANSWER: TOTAL OUTCOMES 4 p(E) = 1/4

15.

Two coins are tossed simultaneously the probability of getting at the most one head is

Answer»

ANSWER:

TOTAL OUTCOMES 4

p(E) = 1/4

Discussion

16.	Area of the Rhombus the length of whose diagonal are 12 cm and 13 cm
Answer» <P>ANSWER: A=pq/2 Step-by-step EXPLANATION: p 12CM will be the answer

16.

Area of the Rhombus the length of whose diagonal are 12 cm and 13 cm

Answer»

<P>ANSWER:

A=pq/2

Step-by-step EXPLANATION:

p 12CM will be the answer

Discussion

17.	. 10. Find x and y, if / \|\| m \|\| n.(6x + 5)90°(6x + 6y)I mn
Answer» Answer: attach IMAGE FILE instead of question bcz no ONE can UNDERSTAND UR question

17.

. 10. Find x and y, if / || m || n.(6x + 5)90°(6x + 6y)I mn

Answer»

Answer:

attach IMAGE FILE instead of question

bcz no ONE can UNDERSTAND UR question

Discussion

18.	The Arithmetic mean of first 10 natural numbers
Answer» Arithmetic mean is ACTUALLY AVERAGE So we are SUPPOSED to calculate average of firdt ten natural numbers Average = sum/total no. Hence, the REQUIRED ANSWER = $\frac{1+2+3+4+5+6+7+8+9+10}{10}$ = 5.5 HOPE THIS HELPS!!

18.

The Arithmetic mean of first 10 natural numbers

Answer»

Arithmetic mean is ACTUALLY AVERAGE

So we are SUPPOSED to calculate average of firdt ten natural numbers

Average = sum/total no.

Hence, the REQUIRED ANSWER = $\frac{1+2+3+4+5+6+7+8+9+10}{10}$ = 5.5

HOPE THIS HELPS!!

Discussion

19.	First will do i make it brainliest answer okkkkkkk
Answer» ANSWER: Is the answer an INTEGER.?..TELL the answer I am GETTING in VARIABLES....

19.

First will do i make it brainliest answer okkkkkkk

Answer»

ANSWER:

Is the answer an INTEGER.?..TELL the answer I am GETTING in VARIABLES....

Discussion

20.	Express each of the following in m/sa) 65cm/sb) 367 km/hc) 1000 cm/mind) 86 km/minplz tell me plzI will thanked u and also marked u as brainliest
Answer» Answer: EXPRESS each of the FOLLOWING in m/s a) 65cm/s b) 367 km/h c) 1000 cm/min d) 86 km/min

20.

Express each of the following in m/sa) 65cm/sb) 367 km/hc) 1000 cm/mind) 86 km/minplz tell me plzI will thanked u and also marked u as brainliest

Answer»

Answer:

EXPRESS each of the FOLLOWING in m/s

a) 65cm/s

b) 367 km/h

c) 1000 cm/min

d) 86 km/min

Discussion

21.	Count and write the number of ice sticks and complete the. patterns using the rules
Answer» Step-by-step EXPLANATION: to COUNT where is IMAGE. How can we COMPLETE PATTERN.

21.

Count and write the number of ice sticks and complete the. patterns using the rules

Answer»

Step-by-step EXPLANATION:

to COUNT where is IMAGE. How can we COMPLETE PATTERN.

Discussion

22.	Please answer I will mark you as brainest
Answer» ANSWER: hi Step-by-step EXPLANATION: But where is your QUESTION.

22.

Please answer I will mark you as brainest

Answer»

ANSWER:

hi

Step-by-step EXPLANATION:

But where is your QUESTION.

Discussion

23.	In an alloy 35% zinc, 45% aluminium and 20% tin is contained. Find out the quantity of the three metals separately.
Answer» ANSWER: the BEST ONE's QUALITY is.auminium as it is LITTER

23.

In an alloy 35% zinc, 45% aluminium and 20% tin is contained. Find out the quantity of the three metals separately.

Answer»

ANSWER:

the BEST ONE's QUALITY is.auminium as it is LITTER

Discussion

24.	-Cut AABC of convenient dimensions from white sheet and paste it on theglazed paper.
Answer» ANSWER: DONT know dude HOPE you find the answer Step-by-step EXPLANATION:

24.

-Cut AABC of convenient dimensions from white sheet and paste it on theglazed paper.

Answer»

ANSWER:

DONT know dude HOPE you find the answer

Step-by-step EXPLANATION:

Discussion

25.	How to solve it 1-0.05=?
Answer» ANSWER: 0.95 is the CORRECT answer......

25.

How to solve it 1-0.05=?

Answer»

ANSWER:

0.95 is the CORRECT answer......

Discussion

26.	The relative frequency of picking a green marble is .The relative frequency of picking a blue marble is .The relative frequency of picking a red marble is .The relative frequency of picking a brown marble is .The relative frequency of picking a black marble is .All of the outcomes be considered equally likely.
Answer» ANSWER: :( Step-by-step EXPLANATION:

26.

The relative frequency of picking a green marble is .The relative frequency of picking a blue marble is .The relative frequency of picking a red marble is .The relative frequency of picking a brown marble is .The relative frequency of picking a black marble is .All of the outcomes be considered equally likely.

Answer»

ANSWER:

:(

Step-by-step EXPLANATION:

Discussion

27.	५) एका पेटीत ३० पेन्सिली, अशा १० पेट्यांतकिती पेन्सिली?
Answer» Answer: SORRY DUDE i can not understand but i TRIED Step-by-step EXPLANATION:

27.

५) एका पेटीत ३० पेन्सिली, अशा १० पेट्यांतकिती पेन्सिली?

Answer»

Answer:

SORRY DUDE i can not understand but i TRIED

Step-by-step EXPLANATION:

Discussion

28.	Solve the problem below
Answer» ANSWER: EQUATION of LINE will be (y-y1)=m(x-x1) y-2 = -1/3(x+4) 3y-6=-x-4 x+3y-2=0 *hope it works plz* *MARK it* as BRAINLIEST answer

28.

Solve the problem below

Answer»

ANSWER:

EQUATION of LINE will be

(y-y1)=m(x-x1)

y-2 = -1/3(x+4)

3y-6=-x-4

x+3y-2=0

hope it works

plz MARK it as BRAINLIEST answer

Discussion

29.	which of the following is an example of conditional probability A) Probability of getting an a on a test B) Drawing a clubs from a deck of 52 cards C)probability of hitting a home run D)Probability of you hitting a home run, given that you didnt strike out
Answer» ANSWER: PROBABILITY of you HITTING a HOME RUN.

29.

which of the following is an example of conditional probability A) Probability of getting an a on a test B) Drawing a clubs from a deck of 52 cards C)probability of hitting a home run D)Probability of you hitting a home run, given that you didnt strike out

Answer»

ANSWER:

PROBABILITY of you HITTING a HOME RUN.

Discussion

30.	Please answer question no 27
Answer» ANSWER: no IDEA ...SORRY ... I'll POST answer if I GET it

30.

Please answer question no 27

Answer»

ANSWER:

no IDEA ...SORRY ... I'll POST answer if I GET it

Discussion

31.	Hi...when is the kink in the x axis drawn??Can someone answer..I'm new here
Answer» Answer: it is DRAWN when you don't have MUCH SPACE to write all the NUMBERS on the x axis.

31.

Hi...when is the kink in the x axis drawn??Can someone answer..I'm new here

Answer»

Answer:

it is DRAWN when you don't have MUCH SPACE to write all the NUMBERS on the x axis.

Discussion

32.	Name the type of quadrilateral whose diagonals are perpendicular to each other but do not bisect each other .
Answer» Step-by-step EXPLANATION: PARALLELOGRAM HENCE PROVED

32.

Name the type of quadrilateral whose diagonals are perpendicular to each other but do not bisect each other .

Answer»

Step-by-step EXPLANATION:

PARALLELOGRAM HENCE PROVED

Discussion

33.	X+y=2,x-y=4 solve the samultaneous eq graphicall
Answer» ANSWER: Step-by-step EXPLANATION:

33.

X+y=2,x-y=4 solve the samultaneous eq graphicall

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

34.	Dialogue between two friends meet after a long time
Answer» Answer: let's say that the NAMES of the two FRIENDS are Rohan and Sam. Conversation between both of them after meeting a long time: Rohan: Hey buddy! what's up?How are you? Sam: Hey! I'm good and how are you? Rohan: Same here. Actually we have met after a very long time. I REMEMBER that we met for the LAST time at airport when you were leaving for your higher studies to Uk. Such a long time interval. Sam: yeah! Do you know that I have a lot many things to tell you about and I was just waiting when it would all end up and I would come back to India. Rohan: yeah! I was also very curious to see you back in Delhi. So, what are you aiming to do now? Sam: Actually I'm thinking to start a start-up and my father is also equally supporting me in this work.And what are you doing nowadays? Rohan: Nothing much. I'm just a graphics designer in a huge company.

34.

Dialogue between two friends meet after a long time

Answer»

Answer:

let's say that the NAMES of the two FRIENDS are Rohan and Sam. Conversation between both of them after meeting a long time:

Rohan: Hey buddy! what's up?How are you?

Sam: Hey! I'm good and how are you?

Rohan: Same here. Actually we have met after a very long time. I REMEMBER that we met for the LAST time at airport when you were leaving for your higher studies to Uk. Such a long time interval.

Sam: yeah! Do you know that I have a lot many things to tell you about and I was just waiting when it would all end up and I would come back to India.

Rohan: yeah! I was also very curious to see you back in Delhi. So, what are you aiming to do now?

Sam: Actually I'm thinking to start a start-up and my father is also equally supporting me in this work.And what are you doing nowadays?

Rohan: Nothing much. I'm just a graphics designer in a huge company.

Discussion

35.	Mpiad Text Bookcosec 60° + sec° 30° + cos 45º =-19
Answer» ANSWER: cosec(90 - 30) + sec 30 + cos 45 = -19 = sec 30 + sec 30 + cos 45 = -19 put VALUE and SOLVED it

35.

Mpiad Text Bookcosec 60° + sec° 30° + cos 45º =-19

Answer»

ANSWER:

cosec(90 - 30) + sec 30 + cos 45 = -19

= sec 30 + sec 30 + cos 45 = -19

put VALUE and SOLVED it

Discussion

36.	find quadratic eqation such that its roots are square of sum of the roots and squareof difference of the roots of equation 2x²+2(p+q)x+p²+q²=0
Answer» *I DON'T KNOW ABOUT THIS QUESTION.*

36.

find quadratic eqation such that its roots are square of sum of the roots and squareof difference of the roots of equation 2x²+2(p+q)x+p²+q²=0

Answer»

I DON'T KNOW ABOUT THIS QUESTION.

Discussion

37.	1) In AABC, seg AD ll seg BC.DB = 3 CD. Prove that:2 AB^2= 2 AC^2 + 2BC^2
Answer» ANSWER: Step-by-step EXPLANATION: PROVED

37.

1) In AABC, seg AD ll seg BC.DB = 3 CD. Prove that:2 AB^2= 2 AC^2 + 2BC^2

Answer»

ANSWER:

Step-by-step EXPLANATION:

PROVED

Discussion

38.	If 2log(x-y/2)=logx+logy+log3. Then find the value of x/y+y/x=?
Answer» $2log\frac{x-y}{2} = logx+logy+log3$ $log[\frac{x-y}{2}]^2 = log[3xy]$ $[\frac{x-y}{2}]^2 = 3xy$ $(x-y)^2 = 12xy$ $x^2+y^2-2xy = 12xy$ $x^2+y^2 = 14xy$ $\frac{x^2+y^2}{xy} = 14$ $\frac{x}{y} +\frac{y}{x} =14$ HOPE IT HELPS!!

38.

If 2log(x-y/2)=logx+logy+log3. Then find the value of x/y+y/x=?

Answer»

$2log\frac{x-y}{2} = logx+logy+log3$

$log[\frac{x-y}{2}]^2 = log[3xy]$

$[\frac{x-y}{2}]^2 = 3xy$

$(x-y)^2 = 12xy$

$x^2+y^2-2xy = 12xy$

$x^2+y^2 = 14xy$

$\frac{x^2+y^2}{xy} = 14$

$\frac{x}{y} +\frac{y}{x} =14$

HOPE IT HELPS!!

Discussion

39.	In a triangle angle a is greater than angle b then side bc is greater than side
Answer» ANSWER: HELLO MATE here's your AnsWer for your QUESTION in PICTURE

39.

In a triangle angle a is greater than angle b then side bc is greater than side

Answer»

ANSWER:

HELLO MATE here's your AnsWer for your QUESTION in PICTURE

Discussion

40.	Pls help me with this i will pakka mark u ask branliest
Answer» Step-by-step explanation: RE=RO(4.5cm) OS=ES(5.4cm) diagonal RS=7.7cm and diagonal OE=6cm(which I haven't mentioned in a diagram BECOUSE it isn't REQUIRED as per your QUESTION) MARK as brainlist

40.

Pls help me with this i will pakka mark u ask branliest

Answer»

Step-by-step explanation:

RE=RO(4.5cm)

OS=ES(5.4cm)

diagonal RS=7.7cm

and diagonal OE=6cm(which I haven't mentioned in a diagram BECOUSE it isn't REQUIRED as per your QUESTION)

MARK as brainlist

Discussion

41.	Find the ratio in which the point (2, 5) divides the line segment (8,2) and(-6,9)
Answer» The required ratio is 3:4. Step-by-step explanation: Since we have given that (2,5) divides the line segment (8,2) and (-6,9) Let the ratio be k:1. Using "SECTION formula", we get that $(\dfrac{8-6k}{k+1},\dfrac{9-2k}{k+1})=(2,5)\\\\\dfrac{8-6k}{k+1}=2\\\\8-6k=2(k+1)\\\\8-6k=2k+2\\\\8-2=2k+6k\\\\6=8k\\\\k=\dfrac{6}{8}=\dfrac{3}{4}$ Hence, the required ratio is 3:4. # learn more: Find the coordinates of the POINT dividing internally the line segment JOINING a(3,7) and b(8,2) in the ratio 2:3. brainly.in/question/8281975

41.

Find the ratio in which the point (2, 5) divides the line segment (8,2) and(-6,9)

Answer»

The required ratio is 3:4.

Step-by-step explanation:

Since we have given that

(2,5) divides the line segment (8,2) and (-6,9)

Let the ratio be k:1.

Using "SECTION formula", we get that

$(\dfrac{8-6k}{k+1},\dfrac{9-2k}{k+1})=(2,5)\\\\\dfrac{8-6k}{k+1}=2\\\\8-6k=2(k+1)\\\\8-6k=2k+2\\\\8-2=2k+6k\\\\6=8k\\\\k=\dfrac{6}{8}=\dfrac{3}{4}$

Hence, the required ratio is 3:4.

# learn more:

Find the coordinates of the POINT dividing internally the line segment JOINING a(3,7) and b(8,2) in the ratio 2:3.

brainly.in/question/8281975

Discussion

42.	3x+5/2=2x+5/3 find the value of x
Answer» Answer: HI there HOPE you find the answer i DONT know Step-by-step EXPLANATION:

42.

3x+5/2=2x+5/3 find the value of x

Answer»

Answer:

HI there HOPE you find the answer i DONT know

Step-by-step EXPLANATION:

Discussion

43.	C) If base and height of a triangle are doubled, then the area will bea) Same b) four times e) doubled d) one fourth
Answer» ANSWER: b). four times Step-by-step EXPLANATION: if b=5 and h=2 area= 5 if we doubled the BASE and HEIGHT i.e. 10&4 respectively then area =20

43.

C) If base and height of a triangle are doubled, then the area will bea) Same b) four times e) doubled d) one fourth

Answer»

ANSWER:

b). four times

Step-by-step EXPLANATION:

if b=5 and h=2

area= 5

if we doubled the BASE and HEIGHT

i.e. 10&4 respectively then area =20

Discussion

44.	Evaluate using identity: – / −3
Answer» ANSWER: $\frac{ - 1}{ - 3}$ $\frac{1}{3}$ $0.33333$

44.

Evaluate using identity: – / −3

Answer»

ANSWER:

$\frac{ - 1}{ - 3}$

$\frac{1}{3}$

$0.33333$

Discussion

45.	At what rate of simple interest will a sum of money double itself in 10 years
Answer» Step-by-step EXPLANATION: A simple tool is the RULE of 72. 72/interest rate = time to double. So 72/10 YEARS = about 7.2% annual interest doubles in 10 years. HOPE U UNDERSTAND PLS MARK ME AS BRAINLIST

45.

At what rate of simple interest will a sum of money double itself in 10 years

Answer»

Step-by-step EXPLANATION:

A simple tool is the RULE of 72. 72/interest rate = time to double. So 72/10 YEARS = about 7.2% annual interest doubles in 10 years.

HOPE U UNDERSTAND

PLS MARK ME AS BRAINLIST

Discussion

46.	Area =70cm2 , height =???,B=14cm
Answer» Area = 70 cm² b = 14CM H= ?? *FORMULA* OF *AREA* = B x H 70cm²= 14 x h h = 70/14 h= 5 CM

46.

Area =70cm2 , height =???,B=14cm

Answer»

Area = 70 cm²

b = 14CM

H= ??

FORMULA OF AREA = B x H

70cm²= 14 x h

h = 70/14

h= 5 CM

Discussion

47.	In a trapezium ABCDseg AB//seg DCBD perpendicular to ADAC perpendicular to BCAD=15,BC=15,AB=25.Find A(ABCD)
Answer» Step-by-step explanation: This ANSWER is in digest so dont take much efforts just look in it then also if you hadn't UNDERSTAND this question then First draw DE BISECT AB DRAW CF BISECT AB TAKE TRIANGLE ADB OR TRIANGLE ACB BY USING 3RD POINT FIND LENGTH OF CF OR DE DEPENDS ON WHICH TRIANGLE YOU HAVE TAKEN FIND FB OR AE AFTER THIS YOU CAN SOLVE IT WITH EASE

47.

In a trapezium ABCDseg AB//seg DCBD perpendicular to ADAC perpendicular to BCAD=15,BC=15,AB=25.Find A(ABCD)

Answer»

Step-by-step explanation:

This ANSWER is in digest so dont take much efforts just look in it then also if you hadn't UNDERSTAND this question then

First draw DE BISECT AB
DRAW CF BISECT AB
TAKE TRIANGLE ADB OR TRIANGLE ACB
BY USING 3RD POINT FIND LENGTH OF CF OR DE DEPENDS ON WHICH TRIANGLE YOU HAVE TAKEN
FIND FB OR AE
AFTER THIS YOU CAN SOLVE IT WITH EASE

Discussion

48.	-2/3+(3/5+(-5/6))..simplify
Answer» Step-by-step EXPLANATION: -2/3+(3/5+(-5/6) = -2/3+3/5-5/6 = -20+18-25÷30 =-45+18÷30 =-27÷30 =-9/10 =-0.9

48.

-2/3+(3/5+(-5/6))..simplify

Answer»

Step-by-step EXPLANATION:

-2/3+(3/5+(-5/6)

= -2/3+3/5-5/6

= -20+18-25÷30

=-45+18÷30

=-27÷30

=-9/10

=-0.9

Discussion

49.	A boy buys 5 eggs for Rs.6 and sells 6. eggsfor Rs.5. Find the approximate profit/loss percentage
Answer» Answer: APPROXIMATELY 37 % LOSS. Step-by-step explanation: 5 eggs for Rs. 6 then 1 EGG = Rs. 1.2 1.2 × 6 = Rs.7.2 But he sold it for Rs. 5 Loss = Rs. 2.2 Loss % = loss / c.p. × 100 = 2.2 / 6 × 100 = 36.67

49.

A boy buys 5 eggs for Rs.6 and sells 6. eggsfor Rs.5. Find the approximate profit/loss percentage

Answer»

Answer:

APPROXIMATELY 37 % LOSS.

Step-by-step explanation:

5 eggs for Rs. 6 then 1 EGG = Rs. 1.2
1.2 × 6 = Rs.7.2
But he sold it for Rs. 5
Loss = Rs. 2.2
Loss % = loss / c.p. × 100
= 2.2 / 6 × 100
= 36.67

Discussion

50.	F(x)= (27-2x)1/3 -3 / 9-3(243+5x)1/5 = 2 for x = 0, at x = 0
Answer» ANSWER: PLZ ELABORATE your QUESTION......

50.

F(x)= (27-2x)1/3 -3 / 9-3(243+5x)1/5 = 2 for x = 0, at x = 0

Answer»

ANSWER:

PLZ ELABORATE your QUESTION......

Discussion

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