332354 + Interview Questions in Secondary School in Math

1.	What is the value of x in the equation 2.5 x + 10 = x minus 0.5?–7–337
Answer» Step-by-step EXPLANATION: Given equation is 2.5x+10=x-0.5 =>2.5x-x=-0.5-10 =>(2.5-1)x=-0.5-10 =>1.5x=-10.5 =>x=-10.5/1.5 =>x=(-105/10)/(15/10) =>x=-105/15 =>x=-7 The VALUE of x=-7 Check:- LHS= 2.5(-7)+10 =>-17.5+10 =>-7.5 RHS= -7-0.5 =>-7.5 LHS=RHS is TRUE for x=-7

1.

What is the value of x in the equation 2.5 x + 10 = x minus 0.5?–7–337

Answer»

Step-by-step EXPLANATION:

Given equation is 2.5x+10=x-0.5

=>2.5x-x=-0.5-10

=>(2.5-1)x=-0.5-10

=>1.5x=-10.5

=>x=-10.5/1.5

=>x=(-105/10)/(15/10)

=>x=-105/15

=>x=-7

The VALUE of x=-7

Check:-

LHS=

2.5(-7)+10

=>-17.5+10

=>-7.5

RHS=

-7-0.5

=>-7.5

LHS=RHS is TRUE for x=-7

Discussion

2.	1 crore=_______ thousand
Answer» 1 crore= 1000 thousand

2.

1 crore=_______ thousand

Answer»

1 crore= 1000 thousand

Discussion

3.	Case Study 218. Two dice are thrown at the same time.0) What is the probability of getting a doublea) 1/6bj 4/6c) 1d) 5/6#) What is the probability of getting 8a) 3/5b) 5/36c) 1/6d) o111) What is the probability of getting Sumless than 6a) 10b) 5/6c) 5/18Was the probability of getting both prime numbersc) 5/6
Answer» Answer: Case STUDY 2 18. Two dice are thrown at the same time. 0) What is the probability of GETTING a double a) 1/6 bj 4/6 c) 1 d) 5/6 #) What is the probability of getting 8 a) 3/5 b) 5/36 c) 1/6 d) o 111) What is the probability of getting Sum less than 6 a) 10 b) 5/6 c) 5

3.

Case Study 218. Two dice are thrown at the same time.0) What is the probability of getting a doublea) 1/6bj 4/6c) 1d) 5/6#) What is the probability of getting 8a) 3/5b) 5/36c) 1/6d) o111) What is the probability of getting Sumless than 6a) 10b) 5/6c) 5/18Was the probability of getting both prime numbersc) 5/6

Answer»

Answer:

Case STUDY 2

18. Two dice are thrown at the same time.

0) What is the probability of GETTING a double

a) 1/6

bj 4/6

c) 1

d) 5/6

#) What is the probability of getting 8

a) 3/5

b) 5/36

c) 1/6

d) o

111) What is the probability of getting Sum

less than 6

a) 10

b) 5/6

c) 5

Discussion

4.	The distance between the points (0,5) & (-5,0) is
Answer» ANSWER: THANKS thanks thanks thanks thanks thanks thanks thanks thanks

4.

The distance between the points (0,5) & (-5,0) is

Answer»

ANSWER:

THANKS thanks thanks thanks thanks thanks thanks thanks thanks

Discussion

5.	1. यदि 'RED' को कूट-संकेतों में 6720 लिखाजाता है, तो GREEN के कूट-संकेत क्याहोंगे?(a) 9207716(b) 1677199.(c) 1677209(d) 16717209
Answer» ANSWER: C) 1677209 IF THIS ANSWER IS CORRECT THEN MARK THIS ANSWER AS BRAINLIST DEAR BUDDY AND THANKS MY ALL ANSWERS

5.

1. यदि 'RED' को कूट-संकेतों में 6720 लिखाजाता है, तो GREEN के कूट-संकेत क्याहोंगे?(a) 9207716(b) 1677199.(c) 1677209(d) 16717209

Answer»

ANSWER:

C) 1677209

IF THIS ANSWER IS CORRECT THEN MARK THIS ANSWER AS BRAINLIST DEAR BUDDY AND THANKS MY ALL ANSWERS

Discussion

6.	If the radius of a cylinder is tripled & its height remains the same then how many times does the volume of the new cylinder become as compared to the original cylinder?answer it plss
Answer» <P>Step-by-step EXPLANATION: $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$ ★ find the domain and RANGE of real function defined by f (x)= 4-2÷ x-4 $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$ In mathematics, a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of TWO integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

6.

If the radius of a cylinder is tripled & its height remains the same then how many times does the volume of the new cylinder become as compared to the original cylinder?answer it plss

Answer»

<P>Step-by-step EXPLANATION:

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$

★ find the domain and RANGE of real function defined by f (x)= 4-2÷ x-4

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$

In mathematics, a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of TWO integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

Discussion

7.	In the given figure intersect at o and reflex
Answer» ANSWER: there is not any FIGURE in your QUESTION

7.

In the given figure intersect at o and reflex

Answer»

ANSWER:

there is not any FIGURE

in your QUESTION

Discussion

8.	-9+5=5+(-9) is true or false
Answer» Answer: YES true Step-by-step EXPLANATION: both VALUES will GET -4

8.

-9+5=5+(-9) is true or false

Answer»

Answer:

YES true

Step-by-step EXPLANATION:

both VALUES will GET -4

Discussion

9.	(-2)⁴ ×(-2)-²=_____________________
Answer» Answer: 64 Step-by-step EXPLANATION: (-2)⁴(-2)² 164 64

9.

(-2)⁴ ×(-2)-²=_____________________

Answer»

Answer:

64

Step-by-step EXPLANATION:

(-2)⁴*(-2)²

16*4

64

Discussion

10.	Find the domain and range of real function defined by f (x)= 1 ÷x^2 -2
Answer» ANSWER: SRY ... I don't know ... can any one SAY this answer .... I too have a DOUBT

10.

Find the domain and range of real function defined by f (x)= 1 ÷x^2 -2

Answer»

ANSWER:

SRY ... I don't know ...

can any one SAY this answer .... I too have a DOUBT

Discussion

11.	For the polynomial ax² + 3x-7 if P(5)= 25, then find the value of a
Answer» Step-by-step explanation: If the polynomials(2x3+ax2+3x-5)and (x3+x2-4x+a) leave the same remainder when divided by (x-2) FIND the VALUE of a. 2. SEE answers ... SINCE they both leave the same remainder, so p(2) = q(2).

11.

For the polynomial ax² + 3x-7 if P(5)= 25, then find the value of a

Answer»

Step-by-step explanation:

If the polynomials(2x3+ax2+3x-5)and (x3+x2-4x+a) leave the same remainder when divided by (x-2) FIND the VALUE of a. 2. SEE answers ... SINCE they both leave the same remainder, so p(2) = q(2).

Discussion

12.	Guys plz telllll me guys plz..... urgent....
Answer» Answer: Construction KE questions ka JABA kaise denge Step-by-step explanation: ISE Yutube pr DEK le

12.

Guys plz telllll me guys plz..... urgent....

Answer»

Answer:

Construction KE questions ka JABA kaise denge

Step-by-step explanation:

ISE Yutube pr DEK le

Discussion

13.	aiswarya took a loan of rs. 90000from a bank for 4 years .If she paid Rs.9900as interest chargedby the bank per annum
Answer» Answer: 4%PER annum SIMPLE rate was charged by the bank Step-by-step explanation: 9900*100 / 90000 = 4

13.

aiswarya took a loan of rs. 90000from a bank for 4 years .If she paid Rs.9900as interest chargedby the bank per annum

Answer»

Answer:

4%PER annum SIMPLE rate was charged by the bank

Step-by-step explanation:

9900*100 / 90000 = 4

Discussion

14.	Find the domain and range of real function defined by f (x)= 4-2÷ x-4
Answer» <P>Step-by-step explanation: $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$ ★ FIND the domain and range of REAL function defined by f (X)= 4-2÷ x-4 $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$ In mathematics, a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

14.

Find the domain and range of real function defined by f (x)= 4-2÷ x-4

Answer»

<P>Step-by-step explanation:

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$

★ FIND the domain and range of REAL function defined by f (X)= 4-2÷ x-4

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$

In mathematics, a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

Discussion

15.	( EXERCISE 841. Express the trigonometric ratios sin A, sec A and tan Ain terms of cot A
Answer» Answer :- Cosec^2A = 1 + COT^2 A 1/ Cosec^2 A = 1/1 + Cot^2 A We know that , SIN^2 A = 1 / 1 + Cot^2 Sin A = ± 1 / √ 1 + Cot^2 A Therefore, Sin A = 1 / √ 1 + Cot^2A We know that , Tan A = Sin A / Cos A However , Cot A = Cos A / Sin A Therefore, Tan A = 1 / Cot A Also , Sec^2 A = 1 + Tan^2 A = 1 + 1 / Cot^2 A = Cot^2 + 1 / Cot^2 A Therefore, Sec A = √ Cot^2A + 1 / Cot A

15.

( EXERCISE 841. Express the trigonometric ratios sin A, sec A and tan Ain terms of cot A

Answer»

Answer :-

Cosec^2A = 1 + COT^2 A

1/ Cosec^2 A = 1/1 + Cot^2 A

We know that ,

SIN^2 A = 1 / 1 + Cot^2

Sin A = ± 1 / √ 1 + Cot^2 A

Therefore,

Sin A = 1 / √ 1 + Cot^2A

We know that ,

Tan A = Sin A / Cos A

However ,

Cot A = Cos A / Sin A

Therefore,

Tan A = 1 / Cot A

Also ,

Sec^2 A = 1 + Tan^2 A

= 1 + 1 / Cot^2 A

= Cot^2 + 1 / Cot^2 A

Therefore,

Sec A = √ Cot^2A + 1 / Cot A

Discussion

16.	Find mode when some of frequency is 181
Answer» Answer: find MODE when some of frequency is 181= Here, the MAXIMUM class frequency is 50, and the class CORRESPONDING to this frequency is 13 – 15. So, the modal class is 13 – 15. HENCE, the mode is 14.82.

16.

Find mode when some of frequency is 181

Answer»

Answer:

find MODE when some of frequency is 181=

Here, the MAXIMUM class frequency is 50, and the class CORRESPONDING to this frequency is 13 – 15. So, the modal class is 13 – 15. HENCE, the mode is 14.82.

Discussion

17.	Find x if 4×9 are in G. P
Answer» Step-by-step EXPLANATION: HOPE it will HELP you BRO

17.

Find x if 4×9 are in G. P

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you BRO

Discussion

18.	Applying logarithm,find at what rate per cent will Rs.160000 amount to RS.191844 in 2 years at compound interest
Answer» ANSWER: What is LOGARITHM? ahhahahap

18.

Applying logarithm,find at what rate per cent will Rs.160000 amount to RS.191844 in 2 years at compound interest

Answer»

ANSWER:

What is LOGARITHM? ahhahahap

Discussion

19.	Adash contains a countless number of points
Answer» Answer: A LINE contains COUNTLESS number of POINTS.

19.

Adash contains a countless number of points

Answer»

Answer:

A LINE contains COUNTLESS number of POINTS.

Discussion

20.	Convert into km5670 metres
Answer» Answer: 5.67 KM this is your CONVERSION

20.

Convert into km5670 metres

Answer»

Answer:

5.67 KM this is your CONVERSION

Discussion

21.	11If a < (257)" - 4
Answer» ANSWER: not know ask yourself you will GET the most INTELLIGENT answer ok bye

21.

11If a < (257)" - 4

Answer»

ANSWER:

not know ask yourself you will GET the most INTELLIGENT answer ok bye

Discussion

22.	PARI -Answer the following:25. Let A = {x e W\|X
Answer» Answer: SORRY i DONT know this ONE sorry my friend

22.

PARI -Answer the following:25. Let A = {x e W|X

Answer»

Answer:

SORRY i DONT know this ONE sorry my friend

Discussion

23.	Observe the following words that have taken 'an' before them:Wh84Whan honest person, an heir, an hour, an M.A.'a'/'arto deteix) Sorin aIn the above box, there are some words that begin with consonants, butthose consonants have a vowel sound.Th
Answer» Answer: 4787r356999y5rey6y6uio9

23.

Observe the following words that have taken 'an' before them:Wh84Whan honest person, an heir, an hour, an M.A.'a'/'arto deteix) Sorin aIn the above box, there are some words that begin with consonants, butthose consonants have a vowel sound.Th

Answer»

Answer:

4787r356999y5rey6y6uio9

Discussion

24.	A train speeds past a pole is 10 s and speeds past aplatform of 300 m in 25 s. Its length in metres is(A) 150m (B) 200m (C) 180 (D) 250
Answer» ANSWER: 120m Step-by-step EXPLANATION: speed of train = distance/time = 300/25 = 12m/s so, let the length of pole = length of train according to question,, speed of train = distance/time 12 = length of train/10 120m = *length* of *train* plz CHECK the option,if it's wrong then u can report

24.

A train speeds past a pole is 10 s and speeds past aplatform of 300 m in 25 s. Its length in metres is(A) 150m (B) 200m (C) 180 (D) 250

Answer»

ANSWER:

120m

Step-by-step EXPLANATION:

speed of train = distance/time

= 300/25

= 12m/s

so, let the length of pole = length of train

according to question,,

speed of train = distance/time

12 = length of train/10

120m = length of train

plz CHECK the option,if it's wrong then u can report

Discussion

25.	(10^8)^2 is what PLZ ANSWER MY QUESTION
Answer» 1e+16 Step-by-step EXPLANATION: ANSWER: i HOPE it is correct please MARK BRAINLIEST

25.

(10^8)^2 is what PLZ ANSWER MY QUESTION

Answer»

1e+16

Step-by-step EXPLANATION:

ANSWER: i HOPE it is correct

please MARK BRAINLIEST

Discussion

26.	A deposit of Rs 200
Answer» ANSWER: +200 please MARK me as BRANLIEST and FOLLOW me

26.

A deposit of Rs 200

Answer»

ANSWER:

+200

please MARK me as BRANLIEST and FOLLOW me

Discussion

27.	bijali ka ek kam bhag 28 uncha hai Uske chhaya 16 metre hai Saman sthitiyon main use ped ki unchai gyat kijiye jiski chhaya 12 metre hai
Answer» ANSWER: एक बिजली मिस्त्री को एक 5M ऊँचे खंभे पर आ गई खराबी की मरम्मत करनी है L मरम्मत का काम करने के लिए उसे खंभे के शिखर से 1.3 m नीचे एक बिंदु तक वह पहुँचना चाहती है ( देखिए आकृति 9.5 ) l यहाँ तक पहुँचने के लिए प्रयुक्त सीढ़ी की लंबाई कितनी होनी चाहिए जिससे कि क्षैतिज से के कोण से झुकाने पर वह अपेक्षित स्थिति तक पहुँच जाए ? और यह भी बताइए कि खंभे का पाद - बिंदु कितनी दुरी पर सीढ़ी के पाद - बिंदु से होना

27.

bijali ka ek kam bhag 28 uncha hai Uske chhaya 16 metre hai Saman sthitiyon main use ped ki unchai gyat kijiye jiski chhaya 12 metre hai

Answer»

ANSWER:

एक बिजली मिस्त्री को एक 5M ऊँचे खंभे पर आ गई खराबी की मरम्मत करनी है L मरम्मत का काम करने के लिए उसे खंभे के शिखर से 1.3 m नीचे एक बिंदु तक वह पहुँचना चाहती है ( देखिए आकृति 9.5 ) l यहाँ तक पहुँचने के लिए प्रयुक्त सीढ़ी की लंबाई कितनी होनी चाहिए जिससे कि क्षैतिज से

के कोण से झुकाने पर वह अपेक्षित स्थिति तक पहुँच जाए ? और यह भी बताइए कि खंभे का पाद - बिंदु कितनी दुरी पर सीढ़ी के पाद - बिंदु से होना

Discussion

28.	Read and write in Indian system by putting commas.2134, 76429, 301794, 39461045, 72100739, 91704562Write down in International system by putting commas20435, 779662, 2179457, 3433452, 214597062
Answer» Answer: 2,134 , 76,429 , 301,794 , 39,461,045 , 72,100,739 , 91,704,562 Step-by-step explanation: 20,435 , 7,79,662 , 21,79,457 , 34,33,452 , 21,45,97,062

28.

Read and write in Indian system by putting commas.2134, 76429, 301794, 39461045, 72100739, 91704562Write down in International system by putting commas20435, 779662, 2179457, 3433452, 214597062

Answer»

Answer:

2,134 , 76,429 , 301,794 , 39,461,045 , 72,100,739 , 91,704,562

Step-by-step explanation:

20,435 , 7,79,662 , 21,79,457 , 34,33,452 , 21,45,97,062

Discussion

29.	Trigonometry maths writing project 10th class
Answer» Step-by-step EXPLANATION: HOPE it will HELP you BRO

29.

Trigonometry maths writing project 10th class

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you BRO

Discussion

30.	For what values of 'k' such that\|x+2\|-Ix-3\|+ lx+1l=k has exactly 2 solutions ① 1 soutionNo solution
Answer» ANSWER: GRACIAS UN hombre Step-by-step EXPLANATION: adias

30.

For what values of 'k' such that|x+2|-Ix-3|+ lx+1l=k has exactly 2 solutions ① 1 soutionNo solution

Answer»

ANSWER:

GRACIAS UN hombre

Step-by-step EXPLANATION:

adias

Discussion

31.	Find value of ypls answer my question
Answer» ANSWER: y=11/6 Step-by-step explanation: 2x+2y=8 -2x+4y=+3 6y=11 y=11/6

31.

Find value of ypls answer my question

Answer»

ANSWER:

y=11/6

Step-by-step explanation:

2x+2y=8

-2x+4y=+3

6y=11

y=11/6

Discussion

32.	СтfindfС (-Гоо ГюT120.Чы65?1ч60 (1)роmedlan, moco
Answer» ANSWER: *urujrnejememnendndnnrnrjfjrj*

32.

СтfindfС (-Гоо ГюT120.Чы65?1ч60 (1)роmedlan, moco

Answer»

ANSWER:

urujrnejememnendndnnrnrjfjrj

Discussion

33.	The break even point for demand function D=40-5p and supply function S= 3p is
Answer» ANSWER: hejekeitnrg FC HUG TU 2hug HJ ejdhhdbdhdhdhdh

33.

The break even point for demand function D=40-5p and supply function S= 3p is

Answer»

ANSWER:

hejekeitnrg FC HUG TU 2hug HJ ejdhhdbdhdhdhdh

Discussion

34.	Tell me the correct answer
Answer» ANSWER: please TELL US the QUESTION NUMBER.

34.

Tell me the correct answer

Answer»

ANSWER:

please TELL US the QUESTION NUMBER.

Discussion

35.	Differentiate between a bye-election and amid-term election.
Answer» Step-by-step EXPLANATION: APART from general elections and by-elections, midterm election refers to a type of election where the PEOPLE can elect their representatives and other SUBNATIONAL officeholders (e.g. governor, MEMBERS of local council) in the middle of the term of the executive.

35.

Differentiate between a bye-election and amid-term election.

Answer»

Step-by-step EXPLANATION:

APART from general elections and by-elections, midterm election refers to a type of election where the PEOPLE can elect their representatives and other SUBNATIONAL officeholders (e.g. governor, MEMBERS of local council) in the middle of the term of the executive.

Discussion

36.	If coto= 7/8, then tan²0 = ?
Answer» ANSWER: 64/49 this is your answer

36.

If coto= 7/8, then tan²0 = ?

Answer»

ANSWER:

64/49 this is your answer

Discussion

37.	100Find the product of 4P3,-3P
Answer» ANSWER: -12P4 Step-by-step EXPLANATION:*

37.

100Find the product of 4P3,-3P

Answer»

ANSWER:

-12P*4

Step-by-step EXPLANATION:

Discussion

38.	Class8 assinment answer 6 week
Answer» ANSWER: what ....where is the QUESTION???

38.

Class8 assinment answer 6 week

Answer»

ANSWER:

what ....where is the QUESTION???

Discussion

39.	Ab• If a
Answer» ANSWER: jsjIajaoajialaakalahdinsks

39.

Ab• If a

Answer»

ANSWER:

jsjIajaoajialaakalahdinsks

Discussion

40.	Are the square roots of all positive integers irrational? if not haven an example of the square roots of the number that is rational number.
Answer» Step-by-step EXPLANATION: No. Square roots of all POSITIVE integers are not IRRATIONAL. ... are positive integers and their square roots are 2, 9 and 4 which are rational NUMBERS.

40.

Are the square roots of all positive integers irrational? if not haven an example of the square roots of the number that is rational number.

Answer»

Step-by-step EXPLANATION:

No. Square roots of all POSITIVE integers are not IRRATIONAL. ...
are positive integers and their square roots are 2, 9 and 4 which are rational NUMBERS.

Discussion

41.	The volume of a cone is 251.2 cubic inches. The height of a cone is 15 inches. What is the radius of the cone rounded to the nearest inch? Use n = 3.14.A. 16 inchesB. 8 inchesC. 6 inches D. 4 inchesPls only serious answers
Answer» 6 inches volume of a cone is 251.2 cubic inches. the height of the cone is 15 inches. what is the radius of the cone, rounded to the NEAREST inch? use π = 3.14. ... the radius of the cone, rounded to the nearest inch? use π = 3.14. 16 inches ... (for CONVENIENCE, let's say that the nth passenger in line has a ticket for the seat number N.) ...

41.

The volume of a cone is 251.2 cubic inches. The height of a cone is 15 inches. What is the radius of the cone rounded to the nearest inch? Use n = 3.14.A. 16 inchesB. 8 inchesC. 6 inches D. 4 inchesPls only serious answers

Answer»

6 inches

volume of a cone is 251.2 cubic inches. the height of the cone is 15 inches.

what is the radius of the cone, rounded to the NEAREST inch? use π = 3.14. ...

the radius of the cone, rounded to the nearest inch? use π = 3.14. 16 inches ...

(for CONVENIENCE, let's say that the nth passenger in line has a ticket for the seat number N.) ...

Discussion

42.	Rewrite the following data in the increasing order: 22,160,0,2,16,81,16
Answer» Answer: 0,2,16,16,22,81,160

42.

Rewrite the following data in the increasing order: 22,160,0,2,16,81,16

Answer»

Answer:

0,2,16,16,22,81,160

Discussion

43.	The probability of any event lies from____ to _____?
Answer» ANSWER: The PROBABILITY of any event LIES from 0 to 1. hope it helps you....

43.

The probability of any event lies from to _?

Answer»

ANSWER:

The PROBABILITY of any event LIES from 0 to 1.

hope it helps you....

Discussion

44.	Three bells toll at the intervals of 3, 4 and 5 secondsbeginning together. Find how many seconds afterthey will again toll together?
Answer» Step-by-step explanation: Explanation: $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$ ★ Three BELLS toll at the INTERVALS of 3, 4 and 5 seconds beginning together. Find how many seconds after they will again toll together? $\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$ In mathematics, a rational number is a number such as -3/7 that can be expressed as the QUOTIENT or FRACTION p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

44.

Three bells toll at the intervals of 3, 4 and 5 secondsbeginning together. Find how many seconds afterthey will again toll together?

Answer»

Step-by-step explanation:

Explanation:

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb{QuésTion:-}}} \blue{ \mid}}$

★ Three BELLS toll at the INTERVALS of 3, 4 and 5 seconds

beginning together. Find how many seconds after

they will again toll together?

$\huge \blue{\mid\underline{ \overline \red{ \large \mathbb₳₦₴₩ɆⱤ:-}} \blue{ \mid}}$

In mathematics, a rational number is a number such as -3/7 that can be expressed as the QUOTIENT or FRACTION p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

Discussion

45.	Use the figure to Name five line segments B,C,D,O,E
Answer» ANSWER: use the FIGURE to Name FIVE line segments B,C,D,O,E

45.

Use the figure to Name five line segments B,C,D,O,E

Answer»

ANSWER:

use the FIGURE to Name FIVE line segments B,C,D,O,E

Discussion

46.	The value of 'c' in Rolle's theorem forin (a, b) where a>0 isx²+abf(x) = logx(a + b)1) A.M. of a, b2) G.M. of a, b1 14)a b3) H.M. of a, b
Answer» Step-by-step explanation: We have, The function f(x)=log (a+b)x x 2 +ab in[a,b] Now, x∈(a,b) ∴ (a+b)x x 2 +ab ∈R +ve We know that, (1). log with the positive quantities as it domain is CONTINUOUS. ∴f(x) is continuous on [a,b]. (2).f(x)=log(x 2 +ab)−log(a+b)x =log(x 2 +ab)−log(a+b)x−logx On differentiation and we get, f ′ (x)= x 2 +ab 2x −0− x 1 ∵x∈(a,b) So, f ′ (x) is EXISTS on (a,b). (3).f(a)=log( (a+b)a a 2 +ab )=log(1)=0 f(b)=log( (a+b)b b 2 +ab )=log(1)=0 ∴f(a)=f(b) Then, There exists at LEAST one real. c∈(a,b) such that f ′ (c)=0. Now, f ′ (c)=0 ⇒ c 2 +ab 2c − c 1 =0 ⇒ c 2 +ab 2c = c 1 ⇒2c 2 =c 2 +ab ⇒c 2 =ab ⇒c= ab ∈R +ve Hence, this is the answer.

46.

The value of 'c' in Rolle's theorem forin (a, b) where a>0 isx²+abf(x) = logx(a + b)1) A.M. of a, b2) G.M. of a, b1 14)a b3) H.M. of a, b

Answer»

Step-by-step explanation:

We have,

The function f(x)=log

(a+b)x

x

2

+ab

in[a,b]

Now,

x∈(a,b)

∴

(a+b)x

x

2

+ab

∈R

+ve

We know that,

(1). log with the positive quantities as it domain is CONTINUOUS.

∴f(x) is continuous on [a,b].

(2).f(x)=log(x

2

+ab)−log(a+b)x

=log(x

2

+ab)−log(a+b)x−logx

On differentiation and we get,

f

′

(x)=

x

2

+ab

2x

−0−

x

1

∵x∈(a,b)

So, f

′

(x) is EXISTS on (a,b).

(3).f(a)=log(

(a+b)a

a

2

+ab

)=log(1)=0

f(b)=log(

(a+b)b

b

2

+ab

)=log(1)=0

∴f(a)=f(b)

Then,

There exists at LEAST one real.

c∈(a,b) such that f

′

(c)=0.

Now,

f

′

(c)=0

⇒

c

2

+ab

2c

−

c

1

=0

⇒

c

2

+ab

2c

=

c

1

⇒2c

2

=c

2

+ab

⇒c

2

=ab

⇒c=

ab

∈R

+ve

Hence, this is the answer.

Discussion

47.	একটি পরিবারের বিভিন্ন খাতে মাসিক খরচের এর সারণি
Answer» ANSWER: PURO QUESTION TA pathao BHAI........

47.

একটি পরিবারের বিভিন্ন খাতে মাসিক খরচের এর সারণি

Answer»

ANSWER:

PURO QUESTION TA pathao BHAI........

Discussion

48.	Sin thita+cos thita=√2 then sin thita =?
Answer» ANSWER: $\sqrt{2 } - cos \: thita$ this is your answer

48.

Sin thita+cos thita=√2 then sin thita =?

Answer»

ANSWER:

$\sqrt{2 } - cos \: thita$

this is your answer

Discussion

49.	Y = 1/tanx find the dy/dx value
Answer» $\large{ \pink{ \bold{y = \frac{1}{ \tan(x) } }}} \\ \\$ $\large{ \bold{y = \frac{ \ \cos(x) }{ \ \sin(x) } }} \\ \\$ ${{ \bold{ \frac{dy}{dx} = \frac{ \sin(x) ( - \sin(x) ) - \cos(x) \cos(x) }{ { \sin(x) }^{2} }}}} \\ \\$ $\large{ { \bold{ \frac{dy}{dx} = \frac{ - { \sin(x) }^{2} - { \cos(x) }^{2} }{ { \sin(x) }^{2} } }}} \\$ $\large{ { \bold{\frac{dy}{dx} = - 1 - { \cot(x) }^{2} }}}$ $\large{ { \bold{\frac{dy}{dx} = - 1(1 + { \cot(x) }^{2} }}} \\ \\$ $\large{ \purple{ \bold{ \frac{dy}{dx} = - { \csc(x) }^{2} }}} \\ \\$ PLEASE MARK ME AS BRAINLIST

49.

Y = 1/tanx find the dy/dx value

Answer»

$\large{ \pink{ \bold{y = \frac{1}{ \tan(x) } }}} \\ \\$

$\large{ \bold{y = \frac{ \ \cos(x) }{ \ \sin(x) } }} \\ \\$

${{ \bold{ \frac{dy}{dx} = \frac{ \sin(x) ( - \sin(x) ) - \cos(x) \cos(x) }{ { \sin(x) }^{2} }}}} \\ \\$

$\large{ { \bold{ \frac{dy}{dx} = \frac{ - { \sin(x) }^{2} - { \cos(x) }^{2} }{ { \sin(x) }^{2} } }}} \\$

$\large{ { \bold{\frac{dy}{dx} = - 1 - { \cot(x) }^{2} }}}$

$\large{ { \bold{\frac{dy}{dx} = - 1(1 + { \cot(x) }^{2} }}} \\ \\$

$\large{ \purple{ \bold{ \frac{dy}{dx} = - { \csc(x) }^{2} }}} \\ \\$

PLEASE MARK ME AS BRAINLIST

Discussion

50.	* If any Polynomeal m(x) of degree greater thanor equal to 1 is deveded by another polynomial (ax-b) find the remainder
Answer» <P>Step-by-step explanation: LET a ne 0 and P(x) be a POLYNOMIAL of DEGREE greater then 2.If P(x) leaves remianders a and a- when divided, respectively, by x + a and x - a , then ... HENCE, the requried remainder = Ax + B = - x.

50.

* If any Polynomeal m(x) of degree greater thanor equal to 1 is deveded by another polynomial (ax-b) find the remainder

Answer»

<P>Step-by-step explanation:

LET a ne 0 and P(x) be a POLYNOMIAL of DEGREE greater then 2.If P(x) leaves remianders a and a- when divided, respectively, by x + a and x - a , then ... HENCE, the requried remainder = Ax + B = - x.

Discussion

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