332354 + Interview Questions in Secondary School in Math

1.	Distance between the points ( am1² , 2am1 ) , ( am2² ,2am2 )
Answer» ong>Step-by-step explanation:P> Distance d between two POINTS P(a,b) and Q(c,d) is GIVEN by d=(a−c)2+(b−d)2 Given that : P(am12,2am1) Q(am22,2am2) Now APPLYING the the formula d=(am12−am22)2+(2am1−2am2)2 d=a(m12−m22)2+(2m1−2m2)2 d=a[(m1+m2)(m1−m2)]2+4(m1−m2) HOPE IT HELPED U THANK U

1.

Distance between the points ( am1² , 2am1 ) , ( am2² ,2am2 )

Answer»

ong>Step-by-step explanation:P>

Distance d between two POINTS P(a,b) and Q(c,d) is GIVEN by

d=(a−c)2+(b−d)2

Given that :

P(am12,2am1)

Q(am22,2am2)

Now APPLYING the the formula

d=(am12−am22)2+(2am1−2am2)2

d=a(m12−m22)2+(2m1−2m2)2

d=a[(m1+m2)(m1−m2)]2+4(m1−m2)

HOPE IT HELPED U

THANK U

Discussion

2.	) Solve For x - a) For x- a) \|x-1\|+2\|
Answer» ONG>Answer: please MARK this BRAINLIEST please again I follow and like you

2.

) Solve For x - a) For x- a) |x-1|+2|

Answer» ONG>Answer:

please MARK this BRAINLIEST please again I follow and like you

Discussion

3.	24. Answer the following. i) Find the number of permutations of the letters of the word ‘HEBRON’ beginning with H and ending with N. ii) Find the ratio of permutation of ‘Rohit’ and ‘Virat’.
Answer» ONG>Answer: 1)Herbon 2) ROHIT :VIRAT

3.

24. Answer the following. i) Find the number of permutations of the letters of the word ‘HEBRON’ beginning with H and ending with N. ii) Find the ratio of permutation of ‘Rohit’ and ‘Virat’.

Answer» ONG>Answer:

1)Herbon

2) ROHIT :VIRAT

Discussion

4.	Prove that:- (1-sin a) (1/sec a + tan a) = sec a
Answer» ONG>Answer: (1−sinA) (1+sinA) × (1+sinA) (1+sinA) = 1−sin 2 A (1+sinA) 2 = COS 2 A (1+sinA) 2 = cosA 1+sinA = cosA 1 + cosA sinA =secA+tanA Hence proved.

4.

Prove that:- (1-sin a) (1/sec a + tan a) = sec a

Answer» ONG>Answer:

(1−sinA)

(1+sinA)

×

(1+sinA)

=

1−sin

2

A

(1+sinA)

2

=

COS

2

A

(1+sinA)

2

=

cosA

1+sinA

=

cosA

1

+

cosA

sinA

=secA+tanA

Hence proved.

Discussion

5.	Simplest form of ratio 133 is 76
Answer» ONG>ANSWER: Thus, 7/4 is the simplified fraction for 133/76 by using the GCD or HCF method. Thus, 7/4 is the simplified fraction for 133/76 by using the prime factorization method. Step-by-step explanation: HOPE it will help u.

5.

Simplest form of ratio 133 is 76

Answer» ONG>ANSWER:

Thus, 7/4 is the simplified fraction for 133/76 by using the GCD or HCF method. Thus, 7/4 is the simplified fraction for 133/76 by using the prime factorization method.

Step-by-step explanation:

HOPE it will help u.

Discussion

6.	Prove that sigma sin(A-B)/sinA-SinB=0
Answer» ONG>ANSWER: 0 is RIGHT answer ithink so

Discussion

7.	1. Find the square ro(i) 3
Answer» are ROOT of 3 is 1.732

7.

1. Find the square ro(i) 3

Answer»

are ROOT of 3 is

1.732

Discussion

8.	Write the coordinate of point whose coordinate is 4 and which lies on y-axis.
Answer» ONG>ANSWER: AnypointwhichlieontheY−axishasthecoordinates (0,y)whenycantakeanyvalue. Herey=+4units. ∴Thecoordinatesofthepointis(0,4).

8.

Write the coordinate of point whose coordinate is 4 and which lies on y-axis.

Answer» ONG>ANSWER:

AnypointwhichlieontheY−axishasthecoordinates

(0,y)whenycantakeanyvalue.

Herey=+4units.

∴Thecoordinatesofthepointis(0,4).

Discussion

9.	40% of a class are women. The probability that a woman likes the color blue is 10%. What is the probability that a person chosen from the class likes blue given a woman is chosen?
Answer» ONG>GIVEN : 40% of a class are women. The probability that a woman LIKES the color blue is 10% To Find : probability that a person chosen from the class likes blue given a woman is chosen? Solution: The probability that a woman likes the color blue is 10% probability that a person chosen from the class likes blue given a woman is chosen = 10 % = 0.1 ( as its given that women is chosen and probability that a woman likes the color blue is 10% ) if probability that a person chosen from the class likes blue = (40/100)(10/100) = 0.4 * 0.1 = -0.04 assuming that Men does not like blue color probability that a person chosen from the class likes blue given a woman is chosen = 10 % = 0.1 Learn More: A pair of fair dice is thrown independently four times. The probability ... brainly.in/question/21757712 A pair of dice is thrown together till a SUM of 4 or 8 is obtained. The ... brainly.in/question/14777415

9.

40% of a class are women. The probability that a woman likes the color blue is 10%. What is the probability that a person chosen from the class likes blue given a woman is chosen?

Answer» ONG>GIVEN : 40% of a class are women.

The probability that a woman LIKES the color blue is 10%

To Find : probability that a person chosen from the class likes blue given a woman is chosen?

Solution:

The probability that a woman likes the color blue is 10%

probability that a person chosen from the class likes blue given a woman is chosen = 10 % = 0.1

( as its given that women is chosen and probability that a woman likes the color blue is 10% )

if probability that a person chosen from the class likes blue = (40/100)(10/100)

= 0.4 * 0.1

= -0.04

assuming that Men does not like blue color

probability that a person chosen from the class likes blue given a woman is chosen = 10 % = 0.1

Learn More:

A pair of fair dice is thrown independently four times. The probability ...

brainly.in/question/21757712

A pair of dice is thrown together till a SUM of 4 or 8 is obtained. The ...

brainly.in/question/14777415

Discussion

10.	Each side of a given square tile is 12 cm. How many tiles will be needed for tiling the floor of a room 18 m wide and 24 m long?
Answer» ong>Answer: LET X be the no. of TILES so, (12×12)x = 18×24 so, x=3

10.

Each side of a given square tile is 12 cm. How many tiles will be needed for tiling the floor of a room 18 m wide and 24 m long?

Answer»

ong>Answer:

LET X be the no. of TILES so,

(12×12)x = 18×24

so, x=3

Discussion

11.	Q8) Make a colourful pie chart to represent the following information. Favourite SPORTS of class IV.SPORTSNumber of students.Hockey15Football30Cricket40Badminton5Basketball20
Answer» Step-by-step EXPLANATION: HOPE it WOULD be HELPFUL

11.

Q8) Make a colourful pie chart to represent the following information. Favourite SPORTS of class IV.SPORTSNumber of students.Hockey15Football30Cricket40Badminton5Basketball20

Answer»

Step-by-step EXPLANATION:

HOPE it WOULD be HELPFUL

Discussion

12.	Preapre a fact file for the vocation/profession/business you would like to take up in future. 1)Name of the vocation/profession/business. 2)Educational qualifications required 3)Work profile/description. 4) Opportunities for advancement. 5)Your personal skills talents/of the choice. For doctor
Answer» WER<U>: Step-by-step EXPLANATION: HELLO how R u \huge\mathfrak\red[hello] $]\huge\mathfrak\red[hello]$

12.

Preapre a fact file for the vocation/profession/business you would like to take up in future. 1)Name of the vocation/profession/business. 2)Educational qualifications required 3)Work profile/description. 4) Opportunities for advancement. 5)Your personal skills talents/of the choice. For doctor

Answer» WER<U>:

Step-by-step EXPLANATION:

HELLO how R u

\huge\mathfrak\red[hello]

$]\huge\mathfrak\red[hello]$

Discussion

13.	The sum of the two opposite angles of a quadrilateral is 176° . The other two angles of the quadrilateral are equal. Find the equal angles.
Answer» ong>ANSWER: As we know vertically opposite angles are equal Step-by-step EXPLANATION: So, X + x = 176 2x = 176 x = 88.

13.

The sum of the two opposite angles of a quadrilateral is 176° . The other two angles of the quadrilateral are equal. Find the equal angles.

Answer»

ong>ANSWER:

As we know vertically opposite angles are equal

Step-by-step EXPLANATION:

So,

X + x = 176

2x = 176

x = 88.

Discussion

14.	Change the following into like terms : 90.21,65,29.5,6958
Answer» ONG>ANSWER: ok Step-by-step EXPLANATION:

14.

Change the following into like terms : 90.21,65,29.5,6958

Answer» ONG>ANSWER:

ok

Step-by-step EXPLANATION:

Discussion

15.	Place value of 6 in 805600 is
Answer» ONG>Answer: place VALUE of 6 in 805600 6 HUNDREDS OR 600

15.

Place value of 6 in 805600 is

Answer» ONG>Answer:

place VALUE of 6 in 805600

6 HUNDREDS

OR

600

Discussion

16.	If a : b: c then its mean proportion will be
Answer» ONG>Step-by-step EXPLANATION: Three numbers 'a', 'b' and 'c' are SAID to be continued proportion if a, b and c are in proportion. Continued-proportion is also known as mean PROPORTIONAL . If 'b' is a mean proportional between a and c then b 2 = ac.

Discussion

17.	Pls kindly help me..
Answer» ONG>ANSWER: I only don't KNOW what will I HELP you

Discussion

18.	00:00 Nina buys a small rug that is in the shape of a kite as shown below. The width of the rug is half its height. Drag numbers to identify the width and the area of the rug. Numbers may be used once or not at all. A kite with height shown as the sum of thirty-one inches and nine inches
Answer» ONG>Answer: 75 Step-by-step EXPLANATION: PLEASE MARK it BRAINLIESST

18.

00:00 Nina buys a small rug that is in the shape of a kite as shown below. The width of the rug is half its height. Drag numbers to identify the width and the area of the rug. Numbers may be used once or not at all. A kite with height shown as the sum of thirty-one inches and nine inches

Answer» ONG>Answer:

75

Step-by-step EXPLANATION:

PLEASE MARK it BRAINLIESST

Discussion

19.	If ray OC stands on line AB such that angle AOC = angle BOC then show that angle BOC=90°
Answer»

Discussion

20.	पट सेतो निश्चित कीपि, किALMN75 m=13, n. 12ALMNसमकोण सिपनही LLM और PMकीअपार क्रमश Zm तयाय hindi me
Answer» ONG>Answer: 10 Step-by-step EXPLANATION:

20.

पट सेतो निश्चित कीपि, किALMN75 m=13, n. 12ALMNसमकोण सिपनही LLM और PMकीअपार क्रमश Zm तयाय hindi me

Answer» ONG>Answer:

10

Step-by-step EXPLANATION:

Discussion

21.	X(x - 3) + 2, where x = 1 Please answer soon as possibleI will mark as brainlist answer who ywill answer correct answer
Answer» ONG>Answer: 0 Step-by-step EXPLANATION: X(x-3)+2 x^2-3x+2 1^2-3(1)×2 1-3+2 0

21.

X(x - 3) + 2, where x = 1 Please answer soon as possibleI will mark as brainlist answer who ywill answer correct answer

Answer» ONG>Answer:

0

Step-by-step EXPLANATION:

X(x-3)+2

x^2-3x+2

1^2-3(1)×2

1-3+2

0

Discussion

22.	Cos20-cos70/sin70-sin20
Answer» ONG>Step-by-step EXPLANATION: cos20-cos70/sin70-sin20 COS(90-20)-cos(90-20)/sin70-sin20 sin70-sin20/sin70-sin20 1

22.

Cos20-cos70/sin70-sin20

Answer» ONG>Step-by-step EXPLANATION:

cos20-cos70/sin70-sin20

COS(90-20)-cos(90-20)/sin70-sin20

sin70-sin20/sin70-sin20

1

Discussion

23.	Simplify [7 - 2a + 5b - (a - b)] - (5a + 3b - 7)
Answer» ong>Answer: 7 - 2A + 5B - a + b - 5a - 3b + 7 -3a -5a +6b -3b -8a +3b HOPE it is helpful

23.

Simplify [7 - 2a + 5b - (a - b)] - (5a + 3b - 7)

Answer»

ong>Answer:

7 - 2A + 5B - a + b - 5a - 3b + 7

-3a -5a +6b -3b

-8a +3b

HOPE it is helpful

Discussion

24.	(2:3), (5:6) कायौगिक अनुपात
Answer» ONG>Answer: 10;18 Step-by-step EXPLANATION:

24.

(2:3), (5:6) कायौगिक अनुपात

Answer» ONG>Answer:

10;18

Step-by-step EXPLANATION:

Discussion

25.	Noteslf 2: y = 12:30 , Then what is the value
Answer» ONG>Answer: 17: 14 Step-by-step explanation: PLEASE MARK it brainliesst

25.

Noteslf 2: y = 12:30 , Then what is the value

Answer» ONG>Answer:

17: 14

Step-by-step explanation:

PLEASE MARK it brainliesst

Discussion

26.	Can anyone solve this and share the pic! 51.630×72.421
Answer» ong>Answer: *see* *the* *ATTACHMENT* Step-by-step EXPLANATION: *HOPE* it *helps*

26.

Can anyone solve this and share the pic! 51.630×72.421

Answer»

ong>Answer:

see the ATTACHMENT

Step-by-step EXPLANATION:

HOPE it helps

Discussion

27.	Find the value of 5. 3-7.-4
Answer» ONG>ANSWER: COMPLETE THE QUESTION Step-by-step EXPLANATION:

27.

Find the value of 5. 3-7.-4

Answer» ONG>ANSWER:

COMPLETE THE QUESTION

Step-by-step EXPLANATION:

Discussion

28.	The number of like term in abc,-bca,bac,cab is
Answer» ER: Step-by-step EXPLANATION: ABC

28.

The number of like term in abc,-bca,bac,cab is

Answer» ER:

Step-by-step EXPLANATION:

ABC

Discussion

29.	(7a+ab) (7a-ab) what is the answer for this
Answer» ONG>Answer: 7à KA holesquare - AB ka holesquare

Discussion

30.	If an angels is one- third of its supplement then the measure of the angel
Answer» ong>Answer: 60 Step-by-step explanation: PLEASE MARK it brainliesst

30.

If an angels is one- third of its supplement then the measure of the angel

Answer»

ong>Answer:

60

Step-by-step explanation:

PLEASE MARK it brainliesst

Discussion

31.	Selling price of a toy car is Rs. 540. If the profit made by the shopkeeper is 20%,what is the cost price of this toy?
Answer» ong>ANSWER: Answer , the COST price of toy is ₹450

31.

Selling price of a toy car is Rs. 540. If the profit made by the shopkeeper is 20%,what is the cost price of this toy?

Answer»

ong>ANSWER:

Answer , the COST price of toy is ₹450

Discussion

32.	Which is the fanasty game of india saloni you answer the wuestion
Answer» ong>ANSWER: dream 11,my dream 11,halapalymy 11 circle,11wickets,MOBILE premier league Step-by-step explanation: I hope it is helpful for U

32.

Which is the fanasty game of india saloni you answer the wuestion

Answer»

ong>ANSWER:

dream 11,my dream 11,halapalymy 11 circle,11wickets,MOBILE premier league

Step-by-step explanation:

I hope it is helpful for U

Discussion

33.	How to write maths exam fast ?
Answer» ong>Answer: 1.Be in the campus before exam timing: Be in the school/college campus before the exam timing to AVOID unnecessary stress. ... Read the question paper: As FIRST 15 minutes are to read question paper utilize it, read all the question. ... Solve as you PRIORITIZED: ... TIME management: ... REVIEW: Step-by-step explanation:

33.

How to write maths exam fast ?

Answer»

ong>Answer:

1.Be in the campus before exam timing: Be in the school/college campus before the exam timing to AVOID unnecessary stress. ...

Read the question paper: As FIRST 15 minutes are to read question paper utilize it, read all the question. ...

Solve as you PRIORITIZED: ...

TIME management: ...

REVIEW:

Step-by-step explanation:

Discussion

34.	Please review itout of 5
Answer» ER: 5 Step-by-step EXPLANATION: PERFECT

34.

Please review itout of 5

Answer» ER: 5

Step-by-step EXPLANATION:

PERFECT

Discussion

35.	The universal set is the set of all integers. If its subsets A, B and C are given by: A = {x : x ≤ -1} B = {. . . , -3, -1, 1, 3, 5, . . .} C = {x : -5 ≤ x < 4} Find: a) A ∪ B b) A ∩ B c) C', where C' is the complement of C with respect to ε. d) A ∩ B ∩ C
Answer» ONG>ANSWER: djdkckfensnakskckfmfnffn4jdksjsjd Step-by-step EXPLANATION: ccjcjcjfjfdjwoqkqmanxncjcjcnfbsabakxjxncnffnfbs

35.

The universal set is the set of all integers. If its subsets A, B and C are given by: A = {x : x ≤ -1} B = {. . . , -3, -1, 1, 3, 5, . . .} C = {x : -5 ≤ x < 4} Find: a) A ∪ B b) A ∩ B c) C', where C' is the complement of C with respect to ε. d) A ∩ B ∩ C

Answer» ONG>ANSWER:

djdkckfensnakskckfmfnffn4jdksjsjd

Step-by-step EXPLANATION:

ccjcjcjfjfdjwoqkqmanxncjcjcnfbsabakxjxncnffnfbs

Discussion

36.	Find the median class interval frequency0-1000 2501000-2000 1902000-3000 1003000-4000 404000-5000 155000-6000 5
Answer» $\large\underline{\sf{Solution-}}$ $\begin{gathered}\begin{gathered}\begin{gathered}\boxed{\begin{array}{c\|c\|c}\sf Class\: interval&\sf Frequency\: (f)&\sf \: cumulative \: frequency\\\frac{\qquad \qquad \qquad}{}&\frac{\qquad \qquad}{}\\\sf 0 - 1000&\sf 250&\sf250\\\\\sf 1000 - 2000 &\sf 190&\sf440\\\\\sf 2000-3000 &\sf 100&\sf540\\\\\sf 3000 - 4000&\sf 40&\sf580\\\\\sf 4000-5000&\sf 15&\sf595\\\\\sf 5000-6000&\sf 5&\sf600\\\frac{\qquad}{}&\frac{\qquad}{}\\\sf & \sf & \end{array}}\end{gathered}\end{gathered}\end{gathered}$ we know that N = 60 and N/2 = 300 The cumulative frequency just greater than 300 is 440 and the corresponding class is 1000 - 2000 MEDIAN formula : $\boxed{ \sf M= l + \Bigg \{h \times \dfrac{ \bigg( \dfrac{N}{2} - cf \bigg)}{f} \Bigg \}}$ Here, l denotes lower limit of median class h denotes width of median class f denotes frequency of median class cf denotes cumulative frequency of the class PRECEDING the median class N denotes sum of frequency According to the QUESTION, median class is 1000 - 2000 so, l = 1000, h = 1000, f = 190, cf = cf of preceding class = 250 N/2 = 300 By SUBSTITUTING all the given values in the formula, $\sf \: \: \: \: M = \: \: 1000 + \bigg(\dfrac{300 - 250}{190} \bigg) \times 1000$ $\sf \: \: \: \: M = \: \: 1000 + \dfrac{5000}{19}$ $\sf \: \: \: \: M = \: \: 1000 + 263.16$ $\sf \: \: \: \: M = \: \: 1263.16$ ─━─━─━─━─━─━─━─━─━─━─━─━─ Additional Information :- Mean :- Using Direct Method $\dashrightarrow\sf Mean = \dfrac{ \sum f_i x_i}{ \sum f_i}$ Using Short Cut Method $\dashrightarrow\sf Mean = \: A \: + \dfrac{ \sum f_i d_i}{ \sum f_i}$ ASSUMED Mean Method :- $\dashrightarrow\sf Mean = \: A \: + \dfrac{ \sum f_i u_i}{ \sum f_i} \times h$

36.

Find the median class interval frequency0-1000 2501000-2000 1902000-3000 1003000-4000 404000-5000 155000-6000 5

Answer»

$\large\underline{\sf{Solution-}}$

$\begin{gathered}\begin{gathered}\begin{gathered}\boxed{\begin{array}{c|c|c}\sf Class\: interval&\sf Frequency\: (f)&\sf \: cumulative \: frequency\\\frac{\qquad \qquad \qquad}{}&\frac{\qquad \qquad}{}\\\sf 0 - 1000&\sf 250&\sf250\\\\\sf 1000 - 2000 &\sf 190&\sf440\\\\\sf 2000-3000 &\sf 100&\sf540\\\\\sf 3000 - 4000&\sf 40&\sf580\\\\\sf 4000-5000&\sf 15&\sf595\\\\\sf 5000-6000&\sf 5&\sf600\\\frac{\qquad}{}&\frac{\qquad}{}\\\sf & \sf & \end{array}}\end{gathered}\end{gathered}\end{gathered}$

we know that

N = 60 and N/2 = 300

The cumulative frequency just greater than 300 is 440 and the corresponding class is 1000 - 2000

MEDIAN formula :

$\boxed{ \sf M= l + \Bigg \{h \times \dfrac{ \bigg( \dfrac{N}{2} - cf \bigg)}{f} \Bigg \}}$

Here,

l denotes lower limit of median class

h denotes width of median class

f denotes frequency of median class

cf denotes cumulative frequency of the class PRECEDING the median class

N denotes sum of frequency

According to the QUESTION,

median class is 1000 - 2000

so,

l = 1000,

h = 1000,

f = 190,

cf = cf of preceding class = 250

N/2 = 300

By SUBSTITUTING all the given values in the formula,

$\sf \: \: \: \: M = \: \: 1000 + \bigg(\dfrac{300 - 250}{190} \bigg) \times 1000$

$\sf \: \: \: \: M = \: \: 1000 + \dfrac{5000}{19}$

$\sf \: \: \: \: M = \: \: 1000 + 263.16$

$\sf \: \: \: \: M = \: \: 1263.16$

─━─━─━─━─━─━─━─━─━─━─━─━─

Additional Information :-

Mean :-

Using Direct Method

$\dashrightarrow\sf Mean = \dfrac{ \sum f_i x_i}{ \sum f_i}$

Using Short Cut Method

$\dashrightarrow\sf Mean = \: A \: + \dfrac{ \sum f_i d_i}{ \sum f_i}$

ASSUMED Mean Method :-

$\dashrightarrow\sf Mean = \: A \: + \dfrac{ \sum f_i u_i}{ \sum f_i} \times h$

Discussion

37.	Please give me fraction questions paper
Answer» ONG>ANSWER: I don't KNOW how to GET the

Discussion

38.	The object below is made up of identical cubes. Each cube has edges that are 5 feet long. • What is the perimeter of the base of the object? Show all your work and explain your reasoning. Be sure to label your answer with the correct units. • What is the volume of the object in cubic feet? Show all your work and explain your reasoning.
Answer» ONG>ANSWER: GOOD MORNING have a great day Step-by-step explanation: 5

38.

The object below is made up of identical cubes. Each cube has edges that are 5 feet long. • What is the perimeter of the base of the object? Show all your work and explain your reasoning. Be sure to label your answer with the correct units. • What is the volume of the object in cubic feet? Show all your work and explain your reasoning.

Answer» ONG>ANSWER:

GOOD MORNING have a great day

Step-by-step explanation:

5

Discussion

39.	Cot^2 theta (sec theta -1)
Answer» ONG>Step-by-step explanation: SEE the pic the answer is

39.

Cot^2 theta (sec theta -1)

Answer» ONG>Step-by-step explanation:

SEE the pic

the answer is

Discussion

40.	Plz answer this question its urgent
Answer» SE REFRESH or TRY again LATER and FRIENDS

Discussion

41.	Solve 4610 +15= 5x4-2x2)4 ब्रैकेट
Answer» ONG>Step-by-step EXPLANATION: the ANSWER is 1156.25 this is the answer

Discussion

42.	Find the H.C.F of the following polynomials: 36x²a⁴c⁵,24xy²a³b⁴ and 60y³a⁶b²c
Answer» ong>ANSWER: hhhhhyyyggyyy you NEED anything ELSE from you soon my LOVE I love you need anything else yyyyy I don't know if

42.

Find the H.C.F of the following polynomials: 36x²a⁴c⁵,24xy²a³b⁴ and 60y³a⁶b²c

Answer»

ong>ANSWER:

hhhhhyyyggyyy you NEED anything ELSE from you soon my LOVE I love you need anything else yyyyy I don't know if

Discussion

43.	If root 3 tan A then show sin^2A-cos^2A=1/3
Answer» ong>Answer: please mark this brainliest please again I FOLLOW and like you to OK sir please

43.

If root 3 tan A then show sin^2A-cos^2A=1/3

Answer»

ong>Answer:

please mark this brainliest please again I FOLLOW and like you to OK sir please

Discussion

44.	The centre of a circle is (2a, a - 7). Using Distance Formula, find the values of a if the circle passes through the point (11,-9) and has diameter 10√2 units .
Answer» ong>Answer: By given " " ...(i) [ distance between TWO POINTS Given that , length of diameter Length of radius Put this value in Eq. (i) , we get Squaring on both sides , we get " " [by FACTORISATION metghod] Hence , the required values of a are 5 and 3.

44.

The centre of a circle is (2a, a - 7). Using Distance Formula, find the values of a if the circle passes through the point (11,-9) and has diameter 10√2 units .

Answer»

ong>Answer:

By given

" " ...(i)
[

distance between TWO POINTS

Given that , length of diameter

Length of radius

Put this value in Eq. (i) , we get

Squaring on both sides , we get

" " [by FACTORISATION metghod]

Hence , the required values of a are 5 and 3.

Discussion

45.	Limitx---->0
Answer» ong>Step-by-step EXPLANATION: QUESTION is about to go with the NUMBER

45.

Limitx---->0

Answer»

ong>Step-by-step EXPLANATION:

QUESTION is about to go with the NUMBER

Discussion

46.	Que.7 – What is the probability of choosing a vowel from the alphabet ? i. 1/26 ii. 5/26 iii. 21/26 iv. 1
Answer» /26 PLEASE MARK BRAINLIEST

46.

Que.7 – What is the probability of choosing a vowel from the alphabet ? i. 1/26 ii. 5/26 iii. 21/26 iv. 1

Answer»

/26

PLEASE MARK BRAINLIEST

Discussion

47.	Three coins are tossed. Find the probability of getting at least one head.
Answer» ong>Answer: 7/8 Step-by-step explanation: TOTAL OUTCOME = 8 favourable outcome = 7 Probablity = total outcome / favourable outcome =7/8

47.

Three coins are tossed. Find the probability of getting at least one head.

Answer»

ong>Answer:

7/8

Step-by-step explanation:

TOTAL OUTCOME = 8

favourable outcome = 7

Probablity = total outcome / favourable outcome

=7/8

Discussion

48.	On what principal at the rate of 10% per annum, the difference betweenthe compound interests for 3 yearsand 2 years is * 121.00 ?
Answer» ong>ANSWER: Let the sum be Rs.100 Computation of compound interest: Prinicpal =Rs.100 R=10% PER ANNUM and n=2 years. Amount=Rs. ⎣ ⎢ ⎡ 100×(1+ 100 10 ) 2 ⎦ ⎥ ⎤ =Rs. ⎣ ⎢ ⎡ 100×( 2 11 ) 2 ⎦ ⎥ ⎤ =Rs.121 Computation of simple interest: Prinicpal =Rs.100 R=10% and TIME =2 years. ∴S.I.=Rs.( 100 100×10×2 )=Rs.20 Thus, difference in C.I. and S.I.=Rs.(21−20)=Re.1 Now, if difference between C.I and S.I. is Re.1, Then Sum =Rs.100 If difference between C.I. and S.I. is Rs.500, Then Sum =Rs.(100×500)=Rs.50000

48.

On what principal at the rate of 10% per annum, the difference betweenthe compound interests for 3 yearsand 2 years is * 121.00 ?

Answer»

ong>ANSWER:

Let the sum be Rs.100

Computation of compound interest:

Prinicpal =Rs.100

R=10% PER ANNUM and n=2 years.

Amount=Rs.

⎣

⎢

⎡

100×(1+

100

10

)

2

⎦

⎥

⎤

=Rs.

⎣

⎢

⎡

100×(

2

11

)

2

⎦

⎥

⎤

=Rs.121

Computation of simple interest:

Prinicpal =Rs.100

R=10% and TIME =2 years.

∴S.I.=Rs.(

100

100×10×2

)=Rs.20

Thus, difference in C.I. and S.I.=Rs.(21−20)=Re.1

Now, if difference between C.I and S.I. is Re.1, Then Sum =Rs.100

If difference between C.I. and S.I. is Rs.500, Then Sum =Rs.(100×500)=Rs.50000

Discussion

49.	Ishita paid Rs. 500.26 for shirt and 380.45 for a jeans. If she gave Rs. 1000 to shopkeeper then find how muchmoney she got as return?
Answer» t=500.26 RS Jeans=380.45 Rs She GAVE to SHOPKEEPER=1000 Rs Shopkeeper Gave him=1000Rs-(500.26+380.45) =1000Rs-880.71 =119.29Rs

49.

Ishita paid Rs. 500.26 for shirt and 380.45 for a jeans. If she gave Rs. 1000 to shopkeeper then find how muchmoney she got as return?

Answer»

t=500.26 RS

Jeans=380.45 Rs

She GAVE to SHOPKEEPER=1000 Rs

Shopkeeper Gave him=1000Rs-(500.26+380.45)

=1000Rs-880.71

=119.29Rs

Discussion

50.	Write the number names according international system30073285
Answer» ong>Answer: 30,073,285: Thirty million seventy THREE thousand two hundred eighty five Step-by-step EXPLANATION: In INTERNATIONAL System of NUMERATION, you have to place the commas for every three digits from right side.

50.

Write the number names according international system30073285

Answer»

ong>Answer:

30,073,285: Thirty million seventy THREE thousand two hundred eighty five

Step-by-step EXPLANATION:

In INTERNATIONAL System of NUMERATION, you have to place the commas for every three digits from right side.

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