332354 + Interview Questions in Secondary School in Math

1.	Removed the question
Answer» ANSWER: why the question is removed can U neatly explain the question PLEASE....

1.

Removed the question

Answer»

ANSWER:

why the question is removed can U neatly explain the question PLEASE....

Discussion

2.	Prove that 1+sin2a/cos2a= sina+cos a/sina-cosa
Answer» $LHS = \frac{1+sin2A}{cos2A} \\= \frac{sin^{2}A+cos^{2}A+2sinAcosA}{cos^{2}A-sin^{2}A }$ $\underline { \blue { Using \: following \:formulae :}}$ Sin²A + Cos²A = 1 Sin2A = 2sinAcosA cos2A = cos²A - sin²A a²+b²+2ab = (a+b)² a²-b² = (a+b)(a-b) $= \frac{(sinA+cosA)^{2}}{(SinA+cosA)(sinA-cosA)} \\= \frac{sinA+cosA}{SinA-cosA}\\=RHS$ THEREFORE., $\red{\frac{1+sin2A}{cos2A}}\green {=\frac{sinA+cosA}{SinA-cosA}}$ •••♪

2.

Prove that 1+sin2a/cos2a= sina+cos a/sina-cosa

Answer»

$LHS = \frac{1+sin2A}{cos2A} \\= \frac{sin^{2}A+cos^{2}A+2sinAcosA}{cos^{2}A-sin^{2}A }$

$\underline { \blue { Using \: following \:formulae :}}$

Sin²A + Cos²A = 1
Sin2A = 2sinAcosA
cos2A = cos²A - sin²A
a²+b²+2ab = (a+b)²
a²-b² = (a+b)(a-b)

$= \frac{(sinA+cosA)^{2}}{(SinA+cosA)(sinA-cosA)} \\= \frac{sinA+cosA}{SinA-cosA}\\=RHS$

THEREFORE.,

$\red{\frac{1+sin2A}{cos2A}}\green {=\frac{sinA+cosA}{SinA-cosA}}$

•••♪

Discussion

3.	17 from (-10) , (-11) from (-95)
Answer» Answer: 1. 17 from (-10) = (-10) - 17 = (-27) 2. (-11) from (-95) = (-95) - (-11) = (-95) + 11 = (-84) :)

3.

17 from (-10) , (-11) from (-95)

Answer»

Answer:

1. 17 from (-10)

= (-10) - 17

= (-27)

2. (-11) from (-95)

= (-95) - (-11)

= (-95) + 11

= (-84)

:)

Discussion

4.	How many term of ap 63, 60, 57 must be taken so that sum is 693?
Answer» $\huge{\bf{\underline{\purple{Solution :}}}}$ GIVEN, First term (a) = 63 Common DIFFERENCE (d) = 60 - 63 = -3 To Find, 63 , 60 , 57 ....?.. = 693 Solution, ⇒Let the number of terms be n ∵ $\bold{s_{n} = 693}$ We know that : $\boxed{\bold{s_{n} = \frac{n}{2} [ 2a + (n - 1) d}}$ Here , a is the first term . n is the number of terms . d is the difference between two Consecutive terms $\implies \bold{693 = \frac{n}{2} [2 \times 63 + (n - 1) -3]}$ $\implies \bold{ 693 = \frac{n}{2} [126 - 3n + 3]}$ $\implies \bold{ 1386 = n(129 - 3n)}$ $\implies \bold{ 1386 = 129n - 3n}$ $\implies \bold{3n^{2} - 129n +1386 = 0}$ $\implies \bold{n^{2} - 43n + 462 = 0}$ $\implies \bold{n^{2} - 21n - 22n + 462 = 0}$ $\implies \bold{n(n - 21) - 22(n - 21) = 0}$ $\implies \bold{(n - 21) (n - 22) = 0}$ Therefore , $\boxed{\bold{ number \ of \ terms = 21 \ or \ 22}}$ $\rule{200}2$

4.

How many term of ap 63, 60, 57 must be taken so that sum is 693?

Answer»

$\huge{\bf{\underline{\purple{Solution :}}}}$

GIVEN,

First term (a) = 63
Common DIFFERENCE (d) = 60 - 63 = -3

To Find,

63 , 60 , 57 ....?.. = 693

Solution,

⇒Let the number of terms be n

∵ $\bold{s_{n} = 693}$

We know that :

$\boxed{\bold{s_{n} = \frac{n}{2} [ 2a + (n - 1) d}}$

Here ,

a is the first term .
n is the number of terms .
d is the difference between two Consecutive terms

$\implies \bold{693 = \frac{n}{2} [2 \times 63 + (n - 1) -3]}$

$\implies \bold{ 693 = \frac{n}{2} [126 - 3n + 3]}$

$\implies \bold{ 1386 = n(129 - 3n)}$

$\implies \bold{ 1386 = 129n - 3n}$

$\implies \bold{3n^{2} - 129n +1386 = 0}$

$\implies \bold{n^{2} - 43n + 462 = 0}$

$\implies \bold{n^{2} - 21n - 22n + 462 = 0}$

$\implies \bold{n(n - 21) - 22(n - 21) = 0}$

$\implies \bold{(n - 21) (n - 22) = 0}$

Therefore ,

$\boxed{\bold{ number \ of \ terms = 21 \ or \ 22}}$

$\rule{200}2$

Discussion

5.	The area of the base of a rectangular tank is 6500cm2 and the volume of water contained in it is 2.6 cubic meter.Find the depth of Water in the tank?
Answer» HOPE it was HELP FULL..... ANS is ATTACHED

5.

The area of the base of a rectangular tank is 6500cm2 and the volume of water contained in it is 2.6 cubic meter.Find the depth of Water in the tank?

Answer»

HOPE it was HELP FULL.....

ANS is ATTACHED

Discussion

6.	Express the following in the form of p/q are integers, and q not equal to 0 (i) 12.bar 7
Answer» Step-by-step EXPLANATION: ndnndirr8jrjfjfjfjfhhfhttur

6.

Express the following in the form of p/q are integers, and q not equal to 0 (i) 12.bar 7

Answer»

Step-by-step EXPLANATION:

ndnndirr8jrjfjfjfjfhhfhttur

Discussion

7.	The productof 15 and another number
Answer» $\huge \mathfrak \pink {Hey \: learner!}$ 15×1=15 15×2=30 15×3=45 15×4=60 15×5=75 15×6=90 15×7=105 15×8=110 15×9=125 15×10=150

7.

The productof 15 and another number

Answer»

$\huge \mathfrak \pink {Hey \: learner!}$

15×1=15

15×2=30

15×3=45

15×4=60

15×5=75

15×6=90

15×7=105

15×8=110

15×9=125

15×10=150

Discussion

8.	How to evaluate x square y square the whole power n into X by Y square whole to the power n
Answer» Answer: (xx/yy)to POWER N = (x/y) to the power n Step-by-step EXPLANATION: LHS and RHS have same power that is 'n' so the power can be removed so LHS = (xx/yy)=RHS=x/y therefore x SQ /y sq= x/y

8.

How to evaluate x square y square the whole power n into X by Y square whole to the power n

Answer»

Answer:

(x*x/y*y)to POWER N = (x/y) to the power n

Step-by-step EXPLANATION:

LHS and RHS have same power that is 'n'

so the power can be removed

so LHS = (x*x/y*y)=RHS=x/y

therefore x SQ /y sq= x/y

Discussion

9.	Q...If n(PUC)= 40, n(PC) = 12, n(C-P) = 17. Find n(P).
Answer» QUESTION ka pic upload kr sqti ho to SHII RHEGA

Discussion

10.	Show that 3 is a zero of the polynomial x3 + x2 - 17x + 15
Answer» ur answer is 48 Step-by-step explanation: am I WRIGHT I HOPE IT HELPS U.........

10.

Show that 3 is a zero of the polynomial x3 + x2 - 17x + 15

Answer»

ur answer is 48

Step-by-step explanation:

am I WRIGHT

I HOPE IT HELPS U.........

Discussion

11.	Answer me plz i mark you brainlist
Answer» HY DUDE here is UR ans. Step-by-step explanation: HOPE it helps u.

11.

Answer me plz i mark you brainlist

Answer»

HY DUDE here is UR ans.

Step-by-step explanation:

HOPE it helps u.

Discussion

12.	If a=1+square root 7 find the value of -6/a
Answer» *ANSWER* Given: $a = 1 + \sqrt{7}$ To FIND: $\frac{ - 6}{a}$ SOLUTION: $\frac{ - 6}{a} = \frac{ - 6}{1 + \sqrt{7} }$ $= > \frac{ - 6(1 - \sqrt{7)} }{1 + \sqrt{7}(1 - \sqrt{7}) }$ $= > \frac{ - 6 + 6 \sqrt{7} }{ {1}^{2} - { \sqrt{7} }^{2} }$ $= > \frac{6 \sqrt{7 } - 6}{1 - 7}$ $= > \frac{6 \sqrt{7} - 6}{ - 6}$ $= > \frac{6 - 6 \sqrt{7} }{6}$

12.

If a=1+square root 7 find the value of -6/a

Answer»

ANSWER

Given:

$a = 1 + \sqrt{7}$

To FIND:

$\frac{ - 6}{a}$

SOLUTION:

$\frac{ - 6}{a} = \frac{ - 6}{1 + \sqrt{7} }$

$= > \frac{ - 6(1 - \sqrt{7)} }{1 + \sqrt{7}(1 - \sqrt{7}) }$

$= > \frac{ - 6 + 6 \sqrt{7} }{ {1}^{2} - { \sqrt{7} }^{2} }$

$= > \frac{6 \sqrt{7 } - 6}{1 - 7}$

$= > \frac{6 \sqrt{7} - 6}{ - 6}$

$= > \frac{6 - 6 \sqrt{7} }{6}$

Discussion

13.	Where p and q are integers 1. Is zero a rational number? Can you write it in the formand q #02
Answer» <P>The rule of being a RATIONAL number is - p & Q are integers and q not = 0 in that case if p becomes 0, I. e., 0/q - then it is q valid rational number. MARK AS BRAINLIEST.....

13.

Where p and q are integers 1. Is zero a rational number? Can you write it in the formand q #02

Answer»

<P>The rule of being a RATIONAL number is -

p & Q are integers and q not = 0

in that case if p becomes 0, I. e., 0/q - then it is q valid rational number.

MARK AS BRAINLIEST.....

Discussion

14.	21. A coin is tossed two times. Find the probability of getting at
Answer» Answer: a COIN are toss in TWO TIME probability ANSWERS was head/tail

14.

21. A coin is tossed two times. Find the probability of getting at

Answer»

Answer:

a COIN are toss in TWO TIME probability ANSWERS was head/tail

Discussion

15.	-On simplifying (3 - 7)2 weget
Answer» Answer: -8 Step-by-step EXPLANATION: (3-7)2 = (-4)2 = -8 Hope this helps you Mark as Brainliest answer PLEASE

15.

-On simplifying (3 - 7)2 weget

Answer»

Answer:

-8

Step-by-step EXPLANATION:

(3-7)2 = (-4)2 = -8

Hope this helps you

Mark as Brainliest answer PLEASE

Discussion

16.	5.The present age of Sonu is one third of his father's present age. After 4 years the sum of their ages will be 60 years. The present age of Sonu is ______.
Answer» Answer: SONU's PRESENT age=13 father's present age=39 Step-by-step explanation: let sonu's age be 's' and fathers age be 'f' s=1/3f f=3s after 4 years, ages will be s+4 and f+4 s+4+f+4=60 s+3s+8=60 4s=52 s= 13 f=3s=13*3= 39

16.

5.The present age of Sonu is one third of his father's present age. After 4 years the sum of their ages will be 60 years. The present age of Sonu is ______.

Answer»

Answer:

SONU's PRESENT age=13

father's present age=39

Step-by-step explanation:

let sonu's age be 's' and fathers age be 'f'

s=1/3f

f=3s

after 4 years, ages will be s+4 and f+4

s+4+f+4=60

s+3s+8=60

4s=52

s= 13

f=3s=13*3= 39

Discussion

17.	Indian system of numeration 7865420
Answer» SEVENTY EIGHT lakh sixty five thousand FOUR hundred twenty . ( 78,65,420)

17.

Indian system of numeration 7865420

Answer»

SEVENTY EIGHT lakh sixty five thousand FOUR hundred twenty

. ( 78,65,420)

Discussion

18.	One hundred and ten units more than seven hundreds, five units,zero tens
Answer» Answer: 705+110=815 eight hundreds,15tens hope it HELPED you please MAKE me BRANLIEST

18.

One hundred and ten units more than seven hundreds, five units,zero tens

Answer»

Answer:

705+110=815

eight hundreds,15tens

hope it HELPED you

please MAKE me BRANLIEST

Discussion

19.	Form a eq if i is divided by3
Answer» Answer: 9y-3z =0 will be ONE of the EQ.

19.

Form a eq if i is divided by3

Answer»

Answer:

9y-3z =0 will be ONE of the EQ.

Discussion

20.	Is addition two rational number is irrational ?
Answer» NO The ADDITION of TWO r.ational NUMBERS is not irrational Example 2 + 1.443 = 3.443

20.

Is addition two rational number is irrational ?

Answer»

NO

The ADDITION of TWO r.ational NUMBERS is not irrational

Example

2 + 1.443 = 3.443

Discussion

21.	The hcf of 595and 252 is
Answer» Step-by-step EXPLANATION: First the prime factorization of 252 is 252=2×2×3×3×7 then, The prime factorization of 595 is 595= 5×7×17 To FIND the gcf, multiply all the prime factors ,, COMMON to both NUMBERS: Therefore ,GCF is 7

21.

The hcf of 595and 252 is

Answer»

Step-by-step EXPLANATION:

First the prime factorization of 252 is

252=2×2×3×3×7

then,

The prime factorization of 595 is

595= 5×7×17

To FIND the gcf, multiply all the prime factors ,, COMMON to both NUMBERS:

Therefore ,GCF is 7

Discussion

22.	(1,1)are solution of the equation (X-2y=4)and which are not:-
Answer» hi mate, solution: METHOD To check whether given pair of values is a solution of given EQUATION or not: Sometimes a pair of values is given and we have to check whether this pair is a solution of given linear equation in two variables or not For this we PUT the given values in given linear equation. If we get LHS = RHS then this pair of values is a solution of given linear equation, otherwise not. ---------------------------------------------------------------------------------------------------- Solution: i) Given equation is x-2y=4 On putting x=0 & y=2 in LHS LHS= x-2y 0-2×2= -4 -4≠4 LHS ≠RHS Hence, (0,2) is not a solution of x-2y=4 ii) Given equation is x-2y=4 On putting x=2 & y=0 in LHS LHS= x-2y 2-2×0= 2 2 ≠4 LHS ≠RHS Hence, (2,0) is not a solution of x-2y=4 iii) Given equation is x-2y=4 On putting x=4 & y=0 in LHS LHS= x-2y 4-2×0= 4-0=4 4=4 LHS =RHS Hence, (4,0) is a solution of x-2y=4 Iv) Given equation is x-2y=4 On putting x=√2 & y=4√2 in LHS LHS= x-2y √2- 2×4√2= √2-8√2=7√2 7√2≠4 LHS ≠RHS Hence, (√2,4√2) is not a solution of x-2y=4 V) Given equation is x-2y=4 On putting x=1 & y=1 in LHS LHS= x-2y 1-2×1= 1-2 -1≠4 LHS ≠RHS Hence, (1,1) is not a solution of x-2y=4 ========================================================= i hope it helps you.

22.

(1,1)are solution of the equation (X-2y=4)and which are not:-

Answer»

hi mate,

solution:

METHOD To check whether given pair of values is a solution of given EQUATION or not:

Sometimes a pair of values is given and we have to check whether this pair is a solution of given linear equation in two variables or not

For this we PUT the given values in given linear equation. If we get LHS = RHS then this pair of values is a solution of given linear equation, otherwise not.

----------------------------------------------------------------------------------------------------

Solution:

i)

Given equation is

x-2y=4

On putting x=0 & y=2 in LHS

LHS= x-2y

0-2×2= -4

-4≠4

LHS ≠RHS

Hence, (0,2) is not a solution of x-2y=4

ii)

Given equation is

x-2y=4

On putting x=2 & y=0 in LHS

LHS= x-2y

2-2×0= 2

2 ≠4

LHS ≠RHS

Hence, (2,0) is not a solution of x-2y=4

iii)

Given equation is

x-2y=4

On putting x=4 & y=0 in LHS

LHS= x-2y

4-2×0= 4-0=4

4=4

LHS =RHS

Hence, (4,0) is a solution of x-2y=4

Iv)

Given equation is

x-2y=4

On putting x=√2 & y=4√2 in LHS

LHS= x-2y

√2- 2×4√2= √2-8√2=7√2

7√2≠4

LHS ≠RHS

Hence, (√2,4√2) is not a solution of x-2y=4

V)

Given equation is

x-2y=4

On putting x=1 & y=1 in LHS

LHS= x-2y

1-2×1= 1-2

-1≠4

LHS ≠RHS

Hence, (1,1) is not a solution of x-2y=4

=========================================================

i hope it helps you.

Discussion

23.	21,056*241Estimate the following
Answer» Answer: 22,000 by ESTIMATE to TEN THOUSAND 200 by estimate to HUNDRED

23.

21,056*241Estimate the following

Answer»

Answer:

22,000 by ESTIMATE to TEN THOUSAND

200 by estimate to HUNDRED

Discussion

24.	Please give answer of the question
Answer» ANSWER: HEY friend here is your answer Step-by-step EXPLANATION: (c) 6√3 UNITS

24.

Please give answer of the question

Answer»

ANSWER:

HEY friend here is your answer

Step-by-step EXPLANATION:

(c) 6√3 UNITS

Discussion

25.	If H.C.F of x and 15 is 3 and lcm of x and 60. Then find x
Answer» ANSWER: x=12 Step-by-step EXPLANATION: HCFLCM=product of TWO numbers 360=15*x 180=15x x=180/15 x=12

25.

If H.C.F of x and 15 is 3 and lcm of x and 60. Then find x

Answer»

ANSWER:

x=12

Step-by-step EXPLANATION:

HCF*LCM=product of TWO numbers

3*60=15*x

180=15x

x=180/15

x=12

Discussion

26.	Express -7/9 as a rational number with numerator -28
Answer» ANSWER: NUMERATOR -28 , DENOMINATOR 2

26.

Express -7/9 as a rational number with numerator -28

Answer»

ANSWER:

NUMERATOR -28 , DENOMINATOR 2

Discussion

27.	1.Find the product using properties ofmultiplication972× 85+972 ×15
Answer» Answer: 97285+97215 82620+14580 97200 hope it HELPS........

27.

1.Find the product using properties ofmultiplication972× 85+972 ×15

Answer»

Answer:

972*85+972*15

82620+14580

97200

hope it HELPS........

Discussion

28.	How to convert 5.5cm in to normal form
Answer» $\huge \mathfrak \pink {Hey \: learner!}$ 5.5×10=55

28.

How to convert 5.5cm in to normal form

Answer»

$\huge \mathfrak \pink {Hey \: learner!}$

5.5×10=55

Discussion

29.	A person in room number (13) had recovered from Corona, he loved to say good bye to all patients, but the doctors told him if you say good bye to the same patient twice you will be infected by corona again ! How you could draw his path to go out of the building without infection ?
Answer» Answer: Step-by-step EXPLANATION: The PATIENT's number is 13, so once he leave the box number 13, there will be no patient in that box. HENCE he can re-enter the box number 13.

29.

A person in room number (13) had recovered from Corona, he loved to say good bye to all patients, but the doctors told him if you say good bye to the same patient twice you will be infected by corona again ! How you could draw his path to go out of the building without infection ?

Answer»

Answer:

Step-by-step EXPLANATION:

The PATIENT's number is 13, so once he leave the box number 13, there will be no patient in that box. HENCE he can re-enter the box number 13.

Discussion

30.	Please write the answer fast please I will thanks you
Answer» Step-by-step explanation: 1. PERIMETER of rectangle =LENGTH × BREADTH =20 ×15 =300

30.

Please write the answer fast please I will thanks you

Answer»

Step-by-step explanation:

1. PERIMETER of rectangle =LENGTH × BREADTH

=20 ×15

=300

Discussion

31.	10140 ÷45 please explain it by steps and quickly
Answer» Answer: 10140 ÷ 45 = 225.33...... or 225.3 BAR

31.

10140 ÷45 please explain it by steps and quickly

Answer»

Answer:

10140 ÷ 45 = 225.33...... or 225.3 BAR

Discussion

32.	31,36,429,32,57,52,392,46,?what will come in question mark,
Answer» Answer: 51 Step-by-step EXPLANATION: so hard Mark as brainliest it's a HUMBLE REQUEST

32.

31,36,429,32,57,52,392,46,?what will come in question mark,

Answer»

Answer:

51

Step-by-step EXPLANATION:

so hard

Mark as brainliest

it's a HUMBLE REQUEST

Discussion

33.	2/3+(-1/9) solve this in form of rational numbers..
Answer» ANSWER: $\text{[math]}$ $\large \mathfrak {\frac{2}{3} + \frac{ - 1}{9} = \frac{2}{3} - \frac{1}{9} = \frac{4 - 1}{9} = \frac{3}{9} = \frac{1}{ 3}}$ FOLLOW ME PLZ

33.

2/3+(-1/9) solve this in form of rational numbers..

Answer»

ANSWER:

$\text{[math]}$

$\large \mathfrak {\frac{2}{3} + \frac{ - 1}{9} = \frac{2}{3} - \frac{1}{9} = \frac{4 - 1}{9} = \frac{3}{9} = \frac{1}{ 3}}$

FOLLOW ME PLZ

Discussion

34.	If ( x+1) and (x-2)are factors of x^3+(a+1)x^2- (b-2)x -6, find the values of a and b. And then, factories the expression completely.
Answer» Answer: a=2, B=6 Step-by-step EXPLANATION: X=-1 and x=2 p(x)=x³+ (a+1)x²-(b-2)x-6 p(-1)=(-1)³+(a+1)-1²-(b-2)-1-6 =-1+(a+1)1-(-b+2)-6 =-1+a+1+b-2-6 0=a+b-8 a+b=8 a=8-b-------------------------a p(2)=(2)³+(a+1)2²-(b-2)2-6 =8+(a+1)4-(b-2)2-6 =8+4a+4-(2b-4)-6 =8+4a+4-2b+4-6 =4a-2b+10 0=4a-2b+10 4a+2b=-10 a=-10-2b/4-------------------------b equate 'a' and 'b': 8-b=10-2b/4 cross multiply, 4(8-b)=-10-2b 32-4b=-10-2b 32+10=-2b+4b 42=2b b=6 subsitute b in a, a=8-b = 8-6 a=2

34.

If ( x+1) and (x-2)are factors of x^3+(a+1)x^2- (b-2)x -6, find the values of a and b. And then, factories the expression completely.

Answer»

Answer:

a=2, B=6

Step-by-step EXPLANATION:

X=-1 and x=2

p(x)=x³+ (a+1)x²-(b-2)x-6

p(-1)=(-1)³+(a+1)-1²-(b-2)-1-6

=-1+(a+1)1-(-b+2)-6

=-1+a+1+b-2-6

0=a+b-8

a+b=8

a=8-b-------------------------a

p(2)=(2)³+(a+1)2²-(b-2)2-6

=8+(a+1)4-(b-2)2-6

=8+4a+4-(2b-4)-6

=8+4a+4-2b+4-6

=4a-2b+10

0=4a-2b+10

4a+2b=-10

a=-10-2b/4-------------------------b

equate 'a' and 'b':

8-b=10-2b/4

cross multiply,

4(8-b)=-10-2b

32-4b=-10-2b

32+10=-2b+4b

42=2b

b=6

subsitute b in a,

a=8-b

= 8-6

a=2

Discussion

35.	With step by step explanation
Answer» ANSWER: HI FRIEND this is your REQUIRED answer

35.

With step by step explanation

Answer»

ANSWER:

HI FRIEND this is your REQUIRED answer

Discussion

36.	Find the patio of the numbers 24.56
Answer» Answer: 3:7 Step-by-step explanation: 24:56 12:28 6:14 3:7

36.

Find the patio of the numbers 24.56

Answer»

Answer:

3:7

Step-by-step explanation:

24:56

12:28

6:14

3:7

Discussion

37.	Please anyone solve this question with proper solution
Answer» ANSWER: ANS: C Step-by-step EXPLANATION: EXPLAINATION is in PICTURE

37.

Please anyone solve this question with proper solution

Answer»

ANSWER:

ANS: C

Step-by-step EXPLANATION:

EXPLAINATION is in PICTURE

Discussion

38.	118/60 as mixed fraction pls
Answer» ANSWER: PLEASE MARK BRAINLIEST answer......

38.

118/60 as mixed fraction pls

Answer»

ANSWER:

PLEASE MARK BRAINLIEST answer......

Discussion

39.	Sen 0 12 ST8, cos0 tan0 ne 13 23dabo, toaoso
Answer» ANSWER: the GOVERNMENT is not a problemwithandto

39.

Sen 0 12 ST8, cos0 tan0 ne 13 23dabo, toaoso

Answer»

ANSWER:

the GOVERNMENT is not a problemwithandto

Discussion

40.	X+3y+9z+27q+81w=0.1111x+4y+16z+64q+265w=0.0625x+5y+25z+125q+625w=0.400x+6y+36z+216q+1296w=0.0278matrix
Answer» ANSWER: x+4y+16z+64q+265W= 0.0625 x+5y+25z+125q+625w=0.400 x+6 y+36z+216q+1296w=0.0278 MATRIX.

40.

X+3y+9z+27q+81w=0.1111x+4y+16z+64q+265w=0.0625x+5y+25z+125q+625w=0.400x+6y+36z+216q+1296w=0.0278matrix

Answer»

ANSWER:

x+4*y+16*z+64*q+265*W= 0.0625 x+5*y+25*z+125*q+625*w=0.400 x+6 *y+36*z+216*q+1296*w=0.0278 MATRIX.

Discussion

41.	Lace. 1le dec4. The students osa clasea ongodla CD a picnic. Each studentContributed as many rupeesof as the number statent inthe student of a class arranged a picnic teacher student contributed as many Rupees as the number of student in the class if the total contribution was1 225 find the strength of the class
Answer» ANSWER: the GOVERNMENT is not a problemwithandoftandtoHuttonto

41.

Lace. 1le dec4. The students osa clasea ongodla CD a picnic. Each studentContributed as many rupeesof as the number statent inthe student of a class arranged a picnic teacher student contributed as many Rupees as the number of student in the class if the total contribution was1 225 find the strength of the class

Answer»

ANSWER:

the GOVERNMENT is not a problemwithandoftandtoHuttonto

Discussion

42.	Areaofsquarewithfindquenand onesides14 kmb 52km
Answer» ANSWER: WHT is quen.............

42.

Areaofsquarewithfindquenand onesides14 kmb 52km

Answer»

ANSWER:

WHT is quen.............

Discussion

43.	The commercial lead acid cell has 13 plates. The number of positive plates would be
Answer» Answer: The commercial LEAD acid cell has 13 plates. The number of POSITIVE plates WOULD be 6 Explanation: 1. There will always be odd number of plates in lead acid battery. 2. Number of NEGATIVE plates are more than positive plates Total plates = N = 13 Number of negative plates = (n+1)/2 = (13+1)/2 = 7 Number of positive plates = (n-1)/2 = (13+1)/2 = 6 Therefore, the number of positive plates in given lead acid battery is 6

43.

The commercial lead acid cell has 13 plates. The number of positive plates would be

Answer»

Answer:

The commercial LEAD acid cell has 13 plates. The number of POSITIVE plates WOULD be 6

Explanation:

1. There will always be odd number of plates in lead acid battery.

2. Number of NEGATIVE plates are more than positive plates

Total plates = N = 13

Number of negative plates = (n+1)/2 = (13+1)/2 = 7

Number of positive plates = (n-1)/2 = (13+1)/2 = 6

Therefore, the number of positive plates in given lead acid battery is 6

Discussion

44.	Construct ∆PQR in which pq=5 cm qr=8 cm rs=4cm which type of triangle this
Answer» Answer: scalene TYPE Step-by-step EXPLANATION: because all SIDE are different

44.

Construct ∆PQR in which pq=5 cm qr=8 cm rs=4cm which type of triangle this

Answer»

Answer:

scalene TYPE

Step-by-step EXPLANATION:

because all SIDE are different

Discussion

45.	Five times a number exceeds by 12 equal 37 what was the number
Answer» ANSWER: LET the no be x 12-5x=37 5x=37-12 5x=20 x=4

45.

Five times a number exceeds by 12 equal 37 what was the number

Answer»

ANSWER:

LET the no be x

12-5x=37

5x=37-12

5x=20

x=4

Discussion

46.	1) the value of √176+√2401a)14b)15c)16d)17
Answer» Answer: 17 Step-by-step explanation: i HOPE it HELPS you PLEASE MAKE the brainlest

46.

1) the value of √176+√2401a)14b)15c)16d)17

Answer»

Answer:

17

Step-by-step explanation:

i HOPE it HELPS you PLEASE MAKE the brainlest

Discussion

47.	From a group of 7 dogs and 5 cats, two are randomly selected as pets for a family. What the probability that atleast 1 cat is choosen?
Answer» 12/5 see... TOTAL animals=7+5=12 cats=5 so PROBABILITY of GETTING a CAT... total animals/total cats=12/5

47.

From a group of 7 dogs and 5 cats, two are randomly selected as pets for a family. What the probability that atleast 1 cat is choosen?

Answer»

12/5

see...

TOTAL animals=7+5=12

cats=5

so PROBABILITY of GETTING a CAT...

total animals/total cats=12/5

Discussion

48.	Simplify step by step answer
Answer» ANSWER: 6 Step-by-step EXPLANATION: (a+b) (a-b) =a^2-b^2 3^2 - √3^2 = 9 - 3 =6 Hope this helps you Mark as BRAINLIEST answer please

48.

Simplify step by step answer

Answer»

ANSWER:

6

Step-by-step EXPLANATION:

(a+b) (a-b) =a^2-b^2

3^2 - √3^2 = 9 - 3 =6

Hope this helps you

Mark as BRAINLIEST answer please

Discussion

49.	5/-11 ____ -5/11 is greater
Answer» Answer: 5/11 is greater Step-by-step EXPLANATION: PLEASE MARK me as BRAINLIST

49.

5/-11 ____ -5/11 is greater

Answer»

Answer:

5/11 is greater

Step-by-step EXPLANATION:

PLEASE MARK me as BRAINLIST

Discussion

50.	Change into rational form
Answer» Answer: 323/100 9/10 27/10 Step-by-step explanation: I hope it's help you but i don't LIKE maths so agar KUCH galat HO to sorry

50.

Change into rational form

Answer»

Answer:

323/100 9/10 27/10

Step-by-step explanation:

I hope it's help you but i don't LIKE maths so agar KUCH galat HO to sorry

Discussion

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