332354 + Interview Questions in Secondary School in Math Page 204 InterviewSolution

10151.	Q.no.13if√a+in=x+it,then possible value of√a-ib is
Answer» Answer: I have been on a new 4tafnacb AGE najwb question for the last YEAR ynsfRI Step-by-step explanation: gensvvsnanhns

10151.

Q.no.13if√a+in=x+it,then possible value of√a-ib is

Answer»

Answer:

I have been on a new 4tafnacb AGE najwb question for the last YEAR

ynsfRI

Step-by-step explanation:

gensvvsnanhns

Discussion

10152.	1 + cos A + cos2A /sin A + sin2A = cotA
Answer» Here is your ans Hope it will HELP U Have a nice day PLZ MARK me as a BRAINLIEST

10152.

1 + cos A + cos2A /sin A + sin2A = cotA

Answer»

Here is your ans

Hope it will HELP U

Have a nice day

PLZ MARK me as a BRAINLIEST

Discussion

10153.	Rational Numbers: 1/8+5/12+2/7+7/12+9/7+-5/6
Answer» ANSWER: Answer is 19/52 is the RIGHT answer

10153.

Rational Numbers: 1/8+5/12+2/7+7/12+9/7+-5/6

Answer»

ANSWER:

Answer is 19/52 is the RIGHT answer

Discussion

10154.	the difference of two number is 9 the larger number 3 less than 4 times the smaller one find the sum of the number
Answer» Answer: 17 Step-by-step EXPLANATION: LET'x'be the SMALLER NUMBER and 'y' be the GREATER number. therefore, y= 4x-3 4x-3-x=9 x=4 y=13 x+y=17

10154.

the difference of two number is 9 the larger number 3 less than 4 times the smaller one find the sum of the number

Answer»

Answer:

17

Step-by-step EXPLANATION:

LET'x'be the SMALLER NUMBER and 'y' be the GREATER number.

therefore,

y= 4x-3

4x-3-x=9

x=4

y=13

x+y=17

Discussion

10155.	If x=3+2√2 findthe value of x² +1/x²
Answer» Answer: 2345799521146777878889

10155.

If x=3+2√2 findthe value of x² +1/x²

Answer»

Answer:

2345799521146777878889

Discussion

10156.	Is 3 by 7 a rational number
Answer» ANSWER: yes Step-by-step explanation: becoz both the number 3 and 7 is a WHOLE number so they are both integers

10156.

Is 3 by 7 a rational number

Answer»

ANSWER:

yes

Step-by-step explanation:

becoz both the number 3 and 7 is a WHOLE number so they are both integers

Discussion

10157.	Simplify :1 1 1--------- - ----------- + ---------- (4-√5) (√15-√14) (√14-√13) 1 1- -------------- + ------------ (√13-√12) (√12-3)guys plz answer fast.......
Answer» Answer: Vinu gave a loan of RS. 200 to Harish and RECOVERED it at the rate of Rs. 14 per month for twenty MONTHS. The rate of simple interest CHARGED is: A) 26% B)24% C)16% D)12%

10157.

Simplify :1 1 1--------- - ----------- + ---------- (4-√5) (√15-√14) (√14-√13) 1 1- -------------- + ------------ (√13-√12) (√12-3)guys plz answer fast.......

Answer»

Answer:

Vinu gave a loan of RS. 200 to Harish and RECOVERED it at the rate of Rs. 14 per month for

twenty MONTHS. The rate of simple interest CHARGED is:

A) 26%

B)24%

C)16%

D)12%

Discussion

10158.	What is the sum of the angles of a triangle?
Answer» Answer: 180 degrees. Triangles will ALWAYS have an ANGLE SUM of 180 degrees. Hope it helps please mark it as BRAINLIEST

10158.

What is the sum of the angles of a triangle?

Answer»

Answer:

180 degrees.

Triangles will ALWAYS have an ANGLE SUM of 180 degrees.

Hope it helps

please mark it as BRAINLIEST

Discussion

10159.	In quadrilateral ACBD.AC = AD and AB bisects angle A. Show that triangle BC ≈ triangle ABD.What can you say about BC and BD?
Answer» Answer: Refer to ATTACHED figure Step-by-step explanation: Given : AC = AD.....1) AB BISECTS angle A i.e angle CAB = angle DAB.......2) To prove triangle ABD =~ triangle ABD Proof : In triangle ABC and triangle ABD, AB = AB (common) angle CAB = angle DAB (from(2)) AC = AD triangle ABC =~ triangle ABD (SAS conguence rule) .'. BC = BD (CPCT) .'. BC and BD are of wqual length HOPE this helps :)

10159.

In quadrilateral ACBD.AC = AD and AB bisects angle A. Show that triangle BC ≈ triangle ABD.What can you say about BC and BD?

Answer»

Answer: Refer to ATTACHED figure

Step-by-step explanation:

Given : AC = AD.....1)

AB BISECTS angle A

i.e angle CAB = angle DAB.......2)

To prove triangle ABD =~ triangle ABD

Proof :

In triangle ABC and triangle ABD,

AB = AB (common)

angle CAB = angle DAB (from(2))

AC = AD

triangle ABC =~ triangle ABD (SAS conguence rule)

.'. BC = BD (CPCT)

.'. BC and BD are of wqual length

HOPE this helps :)

Discussion

10160.	Find the value of 4(sin30° + cos460°) - 3(cos245° + sin290°).
Answer» ANSWER: $\huge\underline\bold\red{Answer!!}$ $\text{[math]}$ answer is at the ATTACHMENT

10160.

Find the value of 4(sin30° + cos460°) - 3(cos245° + sin290°).

Answer»

ANSWER:

$\huge\underline\bold\red{Answer!!}$

$\text{[math]}$ answer is at the ATTACHMENT

Discussion

10161.	Pls answers I won't accpet inappropriate answers
Answer» Answer: 4th OPTION HAI ANS Step-by-step EXPLANATION: because 2.9t- 1.3 =(3)

10161.

Pls answers I won't accpet inappropriate answers

Answer»

Answer:

4th OPTION HAI ANS

Step-by-step EXPLANATION:

because 2.9t- 1.3 =(3)

Discussion

10162.	24, x, 42......is an arithmetic sequence, What is the value of x?
Answer» Answer: 33 Step-by-step EXPLANATION: x-24=42-x 2x=66 x=33

10162.

24, x, 42......is an arithmetic sequence, What is the value of x?

Answer»

Answer:

33

Step-by-step EXPLANATION:

x-24=42-x

2x=66

x=33

Discussion

10163.	I will mark brainliest
Answer» Answer: BRO your answer is correct. . PLS FOLLOW me .. it's your boy BHATIA

10163.

I will mark brainliest

Answer»

Answer:

BRO your answer is correct. . PLS FOLLOW me .. it's your boy BHATIA

Discussion

10164.	Find value of cos 48° cos 12°
Answer» Step-by-step EXPLANATION: COS 48×cos12 = cos48°× SIN 72° =0.63...

10164.

Find value of cos 48° cos 12°

Answer»

Step-by-step EXPLANATION:

COS 48×cos12

= cos48°× SIN 72°

=0.63...

Discussion

10165.	What is 569×248 ....... ..
Answer» Answer: 141112 very EASY

10165.

What is 569×248 ....... ..

Answer»

Answer:

141112 very EASY

Discussion

10166.	Find the zeroes of the polynomial : p(x) = x² - 9
Answer» $\huge\sf\red{\underline{\underline{Given}}}\::$ $\begin{cases}\sf\gray{{x}^{2} \ - \ 9 \ = \ 0}\end{cases}$ $\huge\sf\blue{\underline{\underline{To\:Find}}}\::$ $\begin{cases}\sf\gray{zeroes \: of \: polynomial}\end{cases}$ $\huge\sf\pink{\underline{\underline{Solution}}}\::$ ${\bold{\underline{\orange{As \: we \: know \: that}}}} \\\\ \mapsto\:\:{\sf{\purple{ {x}^{2} - 9 = 0}}} \\ \\ \mapsto\:\:{\sf{\green{{x}^{2} = 9}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \sqrt{9}}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \pm3}}} \\ \\ {\bold{\underline{\orange{Alternate \: method }}}} \\ \\ \mapsto\:\:{\sf{\purple{ {x}^{2} - 9 = 0}}} \\ \\ {\sf{\green{\bullet\:\: \: a = 1 \: \: \: \: \: b = 0 \: \: \: \: \: c = - 9}}}\\ \\ \mapsto\:\:{\sf{\purple{ x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a}}}} \\ \\ \mapsto\:\:{\sf{\green{ x = \frac{ - 0 \pm \sqrt{ {0}^{2} - 4 \times 1 \times ( - 9) } }{2 \times 1}}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \frac{ \pm \sqrt{36} }{2}}}} \\ \\ \mapsto\:\:{\sf{\green{ x = \frac{ \pm6}{2} }}} \\ \\ \star\:{\boxed{\sf{\red{ x = \pm 3}}}}$

10166.

Find the zeroes of the polynomial : p(x) = x² - 9

Answer»

$\huge\sf\red{\underline{\underline{Given}}}\::$

$\begin{cases}\sf\gray{{x}^{2} \ - \ 9 \ = \ 0}\end{cases}$

$\huge\sf\blue{\underline{\underline{To\:Find}}}\::$

$\begin{cases}\sf\gray{zeroes \: of \: polynomial}\end{cases}$

$\huge\sf\pink{\underline{\underline{Solution}}}\::$

${\bold{\underline{\orange{As \: we \: know \: that}}}} \\\\ \mapsto\:\:{\sf{\purple{ {x}^{2} - 9 = 0}}} \\ \\ \mapsto\:\:{\sf{\green{{x}^{2} = 9}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \sqrt{9}}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \pm3}}} \\ \\ {\bold{\underline{\orange{Alternate \: method }}}} \\ \\ \mapsto\:\:{\sf{\purple{ {x}^{2} - 9 = 0}}} \\ \\ {\sf{\green{\bullet\:\: \: a = 1 \: \: \: \: \: b = 0 \: \: \: \: \: c = - 9}}}\\ \\ \mapsto\:\:{\sf{\purple{ x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a}}}} \\ \\ \mapsto\:\:{\sf{\green{ x = \frac{ - 0 \pm \sqrt{ {0}^{2} - 4 \times 1 \times ( - 9) } }{2 \times 1}}}} \\ \\ \mapsto\:\:{\sf{\purple{ x = \frac{ \pm \sqrt{36} }{2}}}} \\ \\ \mapsto\:\:{\sf{\green{ x = \frac{ \pm6}{2} }}} \\ \\ \star\:{\boxed{\sf{\red{ x = \pm 3}}}}$

Discussion

10167.	GIVEN 15 COT A =8, find sin A and sec A
Answer» $\huge\bf\orange{AnSwer:-}$ SEE UN ATTACHMENT ✌️

Discussion

10168.	(1+2i)^2/(2+i)^2 give correct answer no scam
Answer» ANSWER: if it is HELPFUL MARK as BRAINLEST...

10168.

(1+2i)^2/(2+i)^2 give correct answer no scam

Answer»

ANSWER:

if it is HELPFUL MARK as BRAINLEST...

Discussion

10169.	Write the sequence obtained by multiplying the odd number with 3 and adding 2. a) 1, 3, 5, 7,....... b) 3, 9, 15, 21,....... c) 5, 11, 17, 23,...... d) 5, 10, 15, 20,.......
Answer» ANSWER: Answer is (a) 1,3,5,7,

10169.

Write the sequence obtained by multiplying the odd number with 3 and adding 2. a) 1, 3, 5, 7,....... b) 3, 9, 15, 21,....... c) 5, 11, 17, 23,...... d) 5, 10, 15, 20,.......

Answer»

ANSWER:

Answer is (a) 1,3,5,7,

Discussion

10170.	If x+1/x=11 then √x-1/√x=
Answer» COMPUTING the equality, x-1/x = 11 x-1=11x (Transposing x to RHS) -1=11x -x -1=10x x= -1/10 Checking the value by substitution, (-1/10)-1)/(-1/10)=11 (-11/10)/(-1/10)= 11 -11/1010/-1= 11 11=11 (L.H.S = R.H.S) Therefore, x=-1/10 ((x+1)/x)^2 (((-1/10)+1)/(-1/10))^2 ((9/10)/(-1/10))^2 (9/1010/-1)^2 (-9)^2 81 So, ((x+1)/x)^2 = 81 Lets solve it in a bit DIFFERENT way, now we will convert x into decimal form, i.e -1/10= -0.1 (x^2–1)/x^2 (-0.1)^2–1/(-0.1)^2 0.01–1/0.01 -0.99/0.01 -99/100*100/1 -99 So, (x^2–1)/x^2= -99 397 views Add a comment... SPONSORED by Dell Technologies Partner Program

10170.

If x+1/x=11 then √x-1/√x=

Answer»

COMPUTING the equality,

x-1/x = 11

x-1=11x (Transposing x to RHS)

-1=11x -x

-1=10x

x= -1/10

Checking the value by substitution,

(-1/10)-1)/(-1/10)=11

(-11/10)/(-1/10)= 11

-11/10*10/-1= 11

11=11

(L.H.S = R.H.S)

Therefore, x=-1/10

((x+1)/x)^2

(((-1/10)+1)/(-1/10))^2

((9/10)/(-1/10))^2

(9/10*10/-1)^2

(-9)^2

81

So, ((x+1)/x)^2 = 81

Lets solve it in a bit DIFFERENT way, now we will convert x into decimal form, i.e -1/10= -0.1

(x^2–1)/x^2

(-0.1)^2–1/(-0.1)^2

0.01–1/0.01

-0.99/0.01

-99/100*100/1

-99

So, (x^2–1)/x^2= -99

397 views

Add a comment...

SPONSORED by Dell Technologies Partner Program

Discussion

10171.	Mention the different ways of drawing two lines along with the figure ?
Answer» Answer: 8 english LINES are affected by the ways of DRAWING TWO lines ALONG with the figure.

10171.

Mention the different ways of drawing two lines along with the figure ?

Answer»

Answer:

8 english LINES are affected by the ways of DRAWING TWO lines ALONG with the figure.

Discussion

10172.	Sara's mother is three times as old asSara and four times as old as Sara's sister, Anu . And, Anu is three years youngerthan sara. How old as areSara , Anu and their mother?WHO WILL ANSWER WILL BE MARKED AS BRAINLIST .
Answer» Suppose Sara's age = X So, Sara's Sister Ann age = X-3 Mother age = Sara's age * 3 X3 = 3X or = Ann's age 4 = 4 (X - 3) Step by step EXPLANATION: find the value of X 3X = 4 (X-3) 3X = 4X-12 12 = 4X-3X X = 12 So Sara's age = X Mother's age = 3X = 3 * 12 = 36 Anna's is age = X-3 = 12-3 = 9

10172.

Sara's mother is three times as old asSara and four times as old as Sara's sister, Anu . And, Anu is three years youngerthan sara. How old as areSara , Anu and their mother?WHO WILL ANSWER WILL BE MARKED AS BRAINLIST .

Answer»

Suppose Sara's age = X

So, Sara's Sister Ann age = X-3

Mother age = Sara's age * 3 X*3 = 3X

or = Ann's age * 4 = 4 (X - 3)

Step by step EXPLANATION:

find the value of X

3X = 4 (X-3)

3X = 4X-12

12 = 4X-3X

X = 12

So Sara's age = X

Mother's age = 3X = 3 * 12 = 36

Anna's is age = X-3 = 12-3 = 9

Discussion

10173.	(Sin-cos)^2+2.sin.cos/sin.cos.tan.sec.cosec.cot
Answer» Answer: SIN^2(X) + COS^2(x) = 1. tan^2(x) + 1 = sec^2(x). cot^2(x) + 1 = csc^2(x). sin(x y ) = sin x cos y cos x sin y. cos(x y) = cos ... Step-by-step explanation: follow me

10173.

(Sin-cos)^2+2.sin.cos/sin.cos.tan.sec.cosec.cot

Answer»

Answer:

SIN^2(X) + COS^2(x) = 1. tan^2(x) + 1 = sec^2(x). cot^2(x) + 1 = csc^2(x). sin(x y ) = sin x cos y cos x sin y. cos(x y) = cos ...

Step-by-step explanation:

follow me

Discussion

10174.	2 X + 7 by 5 - 3 x + 11 by 2 equals to 2 X + 8 by 3 minus 5
Answer» ANSWER: (2x+7)/5 - (3x+11)/2= ( 2x+1)/3 -5(2(2x+7) - 5(3x+11))/10 = (2x +1)/3 -5(4X + 14 -15x ... Step-by-step EXPLANATION: FOLLOW me

10174.

2 X + 7 by 5 - 3 x + 11 by 2 equals to 2 X + 8 by 3 minus 5

Answer»

ANSWER:

(2x+7)/5 - (3x+11)/2= ( 2x+1)/3 -5(2(2x+7) - 5(3x+11))/10 = (2x +1)/3 -5(4X + 14 -15x ...

Step-by-step EXPLANATION:

FOLLOW me

Discussion

10175.	Evaluate the value of (103)^2 using formula. (Ans: 1092727) How do you get that? What formula should I use?
Answer» ANSWER: (103)^2 = 10609 Step-by-step EXPLANATION: $= (103)^3\\\\= (100+3)^2\\\\= (100)^2 + (21003) + (3)^2\\\\Using~formula~(a+b)^2=a^2+2ab+b^2\\\\= 10000 + 600 + 9\\\\= 10609$ Hope it HELPS you mate.. :)

10175.

Evaluate the value of (103)^2 using formula. (Ans: 1092727) How do you get that? What formula should I use?

Answer»

ANSWER:

(103)^2 = 10609

Step-by-step EXPLANATION:

$= (103)^3\\\\= (100+3)^2\\\\= (100)^2 + (2*100*3) + (3)^2\\\\Using~formula~(a+b)^2=a^2+2ab+b^2\\\\= 10000 + 600 + 9\\\\= 10609$

Hope it HELPS you mate..

:)

Discussion

10176.	4×10^22 atoms of an element weigh 12g . Gram atomic weight of element
Answer» 180.9479 Note that 4 x 10²² atoms = 0.066 mol (use Avogadro’s number). Divide this into 12 g to get the number of grams per mole. Use a periodic table to FIND the element with the CORRESPONDING ATOMIC WEIGHT. the amount of one gram atomic weight (M gram) of an element contains an Avogadro number of atoms, NA = 6.023 x 10^23 atoms per gram atom. Therefore 4 x 10^22 atoms represent (4 x 10^22) / (6.023 x 10^23) = 0.066412 gram atom of any element. Dividing 12 gram by 0.066412 leads to the DESIRED gram atomic weight M = 180.69 gram. The nearest value corresponds to Tantal, the official value of the gram atomic weight of Ta being 180.9479

10176.

4×10^22 atoms of an element weigh 12g . Gram atomic weight of element

Answer»

180.9479

Note that 4 x 10²² atoms = 0.066 mol (use Avogadro’s number).

Divide this into 12 g to get the number of grams per mole.

Use a periodic table to FIND the element with the CORRESPONDING ATOMIC WEIGHT.

the amount of one gram atomic weight (M gram) of an element contains an Avogadro number of atoms, NA = 6.023 x 10^23 atoms per gram atom. Therefore 4 x 10^22 atoms represent (4 x 10^22) / (6.023 x 10^23) = 0.066412 gram atom of any element. Dividing 12 gram by 0.066412 leads to the DESIRED gram atomic weight M = 180.69 gram. The nearest value corresponds to Tantal, the official value of the gram atomic weight of Ta being 180.9479

Discussion

10177.	Add like fraction 2 /5 + 9/ 5
Answer» Step-by-step EXPLANATION: The ANSWER will be 11/5 OK FRIEND this is URS answer ok good morning friend

10177.

Add like fraction 2 /5 + 9/ 5

Answer»

Step-by-step EXPLANATION:

The ANSWER will be 11/5 OK FRIEND this is URS answer ok good morning friend

Discussion

10178.	Please answer this question quickly ❤️
Answer» ANSWER: the ORDER is -132,-76,-56,96,123,132

10178.

Please answer this question quickly ❤️

Answer»

ANSWER:

the ORDER is -132,-76,-56,96,123,132

Discussion

10179.	Simplify the following:(i) (3a + b)2 – 6ab(iii) (3a - 4b)2 + 24ab(v) (2a + 3b)2 + 2 (2a + 3b) (2a - 3b) + (2a - 36)?(vii) (4a + 3b)2 – 2(4a + 3b) (3a + 4b) + (3a + 4b)?
Answer» Step-by-step EXPLANATION: REFER to the PIC s . HOPE it HELPS

10179.

Simplify the following:(i) (3a + b)2 – 6ab(iii) (3a - 4b)2 + 24ab(v) (2a + 3b)2 + 2 (2a + 3b) (2a - 3b) + (2a - 36)?(vii) (4a + 3b)2 – 2(4a + 3b) (3a + 4b) + (3a + 4b)?

Answer»

Step-by-step EXPLANATION:

REFER to the PIC s . HOPE it HELPS

Discussion

10180.	Solve the following Equtions x-2=7
Answer» Answer: $\huge\underline\mathfrak{Answer}$ X - 2 = 7 x = 7 + 2 x = 9 $$$$ Mark me as brainliest

10180.

Solve the following Equtions x-2=7

Answer»

Answer:

$\huge\underline\mathfrak{Answer}$

X - 2 = 7

x = 7 + 2

x = 9

$$$$ Mark me as brainliest

Discussion

10181.	Express in exponential form (-4/-5) × (-4/-5) ×(-4/-5) × (-4/-5)please do step by step explanation and do in page if you give the right answer so I Mark you as brainlist
Answer» ANSWER: (4/5)^4 ( minus minus will be plus 4/5 × 4/5 × 4/5 × 4/5 (4/5)^2 × (4/5)^2 (4/5)^2+2 (4/5)^4 LAW of exponents a^b ×a^b= a^b+b hope it was HELPFUL : ) : ) : )

10181.

Express in exponential form (-4/-5) × (-4/-5) ×(-4/-5) × (-4/-5)please do step by step explanation and do in page if you give the right answer so I Mark you as brainlist

Answer»

ANSWER:

(4/5)^4

( minus minus will be plus

4/5 × 4/5 × 4/5 × 4/5

(4/5)^2 × (4/5)^2

(4/5)^2+2

(4/5)^4 LAW of exponents a^b ×a^b= a^b+b

hope it was HELPFUL : ) : ) : )

Discussion

10182.	Only a intelligent can answer and i will mark him brainlist. .
Answer» ANSWER: So what are U w8ing for MARK me BRAINLIEST

10182.

Only a intelligent can answer and i will mark him brainlist. .

Answer»

ANSWER:

So what are U w8ing for MARK me BRAINLIEST

Discussion

10183.	a publication house sold 191975 books in 2015. in 2016 it sold 265115 books find the increase in the sale of books
Answer» ANSWER: INCREASE in SALE = ₹73140 = 38.09% HOPE it is correct and clear

10183.

a publication house sold 191975 books in 2015. in 2016 it sold 265115 books find the increase in the sale of books

Answer»

ANSWER:

INCREASE in SALE = ₹73140

= 38.09%

HOPE it is correct and clear

Discussion

10184.	Help me please ( This from INDICES chapter of CA foundation course)
Answer» Answer: let try Step-by-step EXPLANATION: (5)^2/33 X 5 x 5x(√5)^1/22 25 x 25x √5 =625√5

10184.

Help me please ( This from INDICES chapter of CA foundation course)

Answer»

Answer:

let try

Step-by-step EXPLANATION:

(5)^2/3*3 X 5 x 5x(√5)^1/2*2

25 x 25x √5

=625√5

Discussion

10185.	What is the smallest number that will divide into 216 to get a perfect square
Answer» Answer: 6is the SMALLEST no. The QUOTIENT is 36 The SQUARE ROOT of quotient is 6

10185.

What is the smallest number that will divide into 216 to get a perfect square

Answer»

Answer:

6is the SMALLEST no.

The QUOTIENT is 36

The SQUARE ROOT of quotient is 6

Discussion

10186.	Hello mates,write additive inverse of 89.
Answer» ANSWER: HEY!! -89 is the ADDITIVE INVERSE of 89. ___________________

10186.

Hello mates,write additive inverse of 89.

Answer»

ANSWER:

HEY!!

-89 is the ADDITIVE INVERSE of 89.

___________________

Discussion

10187.	Bengali(217:00at a = 1 and a 3+1 =78
Answer» ANSWER: WOULD you. MEAN...................,

10187.

Bengali(217:00at a = 1 and a 3+1 =78

Answer»

ANSWER:

WOULD you. MEAN...................,

Discussion

10188.	Calculate the average ofall odd numbersand average of all theEvennumbers from 1 to 45a )23,23 b) 21, 24 c)23,26d) 23, 28
Answer» Given, The range of numbers = 1 to 45 To FIND, The average of all even numbers of the given range and the average of all odd numbers of the given range. Solution, We can easily solve this mathematical problem by using the following mathematical process. Now, we have to take the help of the AP series FORMULA. First term of AP in case of odd numbers = 1 Last term of AP in case of odd numbers = 45 Common difference = 2 Total number of terms = n 45 = 1+(n-1)×2 45 = 1+2n-2 45 = 2n-1 2n = 46 n = 23 Total number of odd numbers = 23 Total number of even numbers = (45-23) = 22 Sum of odd numbers = 23/2 [2×1+(23-1)×2] = 23/2 (2+44) = 23/2 × 46 = 529 Average of odd numbers = 529/23 = 23 Sum of even numbers = 22/2 [2×2+(22-1)×2] = 22/2 (4+42) = 11×46 = 506 Average of even numbers = 506/22 = 23 Hence, average of odd numbers is 23 and average of even numbers is 23.

10188.

Calculate the average ofall odd numbersand average of all theEvennumbers from 1 to 45a )23,23 b) 21, 24 c)23,26d) 23, 28

Answer»

Given,

The range of numbers = 1 to 45

To FIND,

The average of all even numbers of the given range and the average of all odd numbers of the given range.

Solution,

We can easily solve this mathematical problem by using the following mathematical process.

Now, we have to take the help of the AP series FORMULA.

First term of AP in case of odd numbers = 1

Last term of AP in case of odd numbers = 45

Common difference = 2

Total number of terms = n

45 = 1+(n-1)×2

45 = 1+2n-2

45 = 2n-1

2n = 46

n = 23

Total number of odd numbers = 23

Total number of even numbers = (45-23) = 22

Sum of odd numbers = 23/2 [2×1+(23-1)×2]

= 23/2 (2+44)

= 23/2 × 46

= 529

Average of odd numbers = 529/23 = 23

Sum of even numbers = 22/2 [2×2+(22-1)×2]

= 22/2 (4+42)

= 11×46

= 506

Average of even numbers = 506/22 = 23

Hence, average of odd numbers is 23 and average of even numbers is 23.

Discussion

10189.	Find the distance between the points p(cosΦ, sinΦ) ;q(sinΦ,-cosΦ)
Answer» ANSWER: ANSWER=2 Step-by-step EXPLANATION: PQ= $\sqrt{(sinθ-cosθ)^2+ (-cosθ-sinθ)^2}$ =sin^2θ+cos^2θ-2sinθcosθ +cos^2θ+sin^2θ-2cosθsinθ =1+1 =2

10189.

Find the distance between the points p(cosΦ, sinΦ) ;q(sinΦ,-cosΦ)

Answer»

ANSWER:

ANSWER=2

Step-by-step EXPLANATION:

PQ= $\sqrt{(sinθ-cosθ)^2+ (-cosθ-sinθ)^2}$

=sin^2θ+cos^2θ-2sinθcosθ +cos^2θ+sin^2θ-2cosθsinθ

=1+1

=2

Discussion

10190.	একটি নিরেট অর্ধগোলক এঁকে তার তলসংখ্যা লেখো
Answer» ANSWER: দুটি Step-by-step EXPLANATION: একটি সমতল ও একটি বক্রতল please MARK me BRINLIEST...

10190.

একটি নিরেট অর্ধগোলক এঁকে তার তলসংখ্যা লেখো

Answer»

ANSWER:

দুটি

Step-by-step EXPLANATION:

একটি সমতল ও একটি বক্রতল

please MARK me BRINLIEST...

Discussion

10191.	If a* b = b/a - 1, then 7 * 28 =
Answer» Answer: 3 Step-by-step explanation: Given formula-->a* B = b/a - 1 Replacing a as 7 and b as 28.. 7*28=28/7 - 1 -->4-1 --->3 PLEASE MARK BRAINIEST

10191.

If a* b = b/a - 1, then 7 * 28 =

Answer»

Answer:

3

Step-by-step explanation:

Given formula-->a* B = b/a - 1

Replacing a as 7 and b as 28..

7*28=28/7 - 1

-->4-1

--->3

PLEASE MARK BRAINIEST

Discussion

10192.	One is asked to say a two digit number. what is the probability.a. Both digits being different b. The first digit being largerc. The first digit being smaller.
Answer» There are 90 TWO DIGIT numbers(99–9). Out of this there are 6 numbers divisible by 15(15, 30, 45, 60, 75, 90), which are also divisible by 5. Therefore, the favorable CASES are 30–6=24. Hence, the REQUIRED probability is 24/90 = 4/15.

10192.

One is asked to say a two digit number. what is the probability.a. Both digits being different b. The first digit being largerc. The first digit being smaller.

Answer»

There are 90 TWO DIGIT numbers(99–9). Out of this there are 6 numbers divisible by 15(15, 30, 45, 60, 75, 90), which are also divisible by 5. Therefore, the favorable CASES are 30–6=24. Hence, the REQUIRED probability is 24/90 = 4/15.

Discussion

10193.	Find X here. please solve
Answer» ANSWER: ++++((((((((((+((((((((((++++++++++±777±7±7+++++(

10193.

Find X here. please solve

Answer»

ANSWER:

++++((((((((((+((((((((((++++++++++±777±7±7+++++(

Discussion

10194.	Solve the equation I'll mark you brainliest It is urgent
Answer» HERE IS YOUR ANSWERE ______/!\______ -1/1 = (-1) 1/(-2)=(-1/2) root2/-(-1) R = (-root2/1) HENCE (-1) - 0.5 - root2 (-1.5) - root2 ---------------- [root2= 1.414] HENCE YOUR ANSWERE IS $\huge {-2.914}$

10194.

Solve the equation I'll mark you brainliest It is urgent

Answer»

HERE IS YOUR ANSWERE ______/!\______

-1/1 = (-1)

1/(-2)=(-1/2)

root2/-(-1) R = (-root2/1)

HENCE

(-1) - 0.5 - root2

(-1.5) - root2 ---------------- [root2= 1.414]

HENCE YOUR ANSWERE IS

$\huge {-2.914}$

Discussion

10195.	Q.If A = (p q rq r pr p q ) be an orthogonal matrix and pqr = 1 then the value ofp3 + q3 + r3 can be
Answer» ANSWER: PLEASE ELABORATE your QUESTION

10195.

Q.If A = (p q rq r pr p q ) be an orthogonal matrix and pqr = 1 then the value ofp3 + q3 + r3 can be

Answer»

ANSWER:

PLEASE ELABORATE your QUESTION

Discussion

10196.	Differentiate cos inverse(4-x-2x^2/3x+2)
Answer» Answer: If y=cos-1(4x3-3X) then dydx= ? check-circle. Text SOLUTION ... If `y =sin^3 2x*cos^2 3x` then `. PLAY. 2:04.

10196.

Differentiate cos inverse(4-x-2x^2/3x+2)

Answer»

Answer:

If y=cos-1(4x3-3X) then dydx= ? check-circle. Text SOLUTION ... If `y =sin^3 2x*cos^2 3x` then `. PLAY. 2:04.

Discussion

10197.	The two zeroes of a quadratic polynomial are -4 and -6 find the sum and product of zeroes . what is the valueof coefficient b?
Answer» ANSWER: B = 10 Step-by-step explanation: $x_{1}$ + $x_{2}$ = - $\frac{b}{a}$ ==> - b = - (4 + 6) and a = 1; b = 10 ---------- If $x_{1}$ and $x_{2}$ are root of QUADRATIC equation ax² + bx + C = 0, then ax² + bx + c = a(X - $x_{1}$ )(x - $x_{2}$ ) (x + 4)(x + 6) = x² + 10x + 24 b = 10

10197.

The two zeroes of a quadratic polynomial are -4 and -6 find the sum and product of zeroes . what is the valueof coefficient b?

Answer»

ANSWER:

B = 10

Step-by-step explanation:

$x_{1}$ + $x_{2}$ = - $\frac{b}{a}$ ==> - b = - (4 + 6) and a = 1; b = 10

----------

If $x_{1}$ and $x_{2}$ are root of QUADRATIC equation ax² + bx + C = 0,

then ax² + bx + c = a(X - $x_{1}$ )(x - $x_{2}$ )

(x + 4)(x + 6) = x² + 10x + 24

b = 10

Discussion

10198.	class 6 word problem solving ch no 1 number our friend question is the buisnessman earned ruppes 3648970 in the year 2010 next year is earning was increased by ruppes 956880 what was his earning in the year 2011
Answer» ANSWER: in YEAR 2011 the PERSON was EARNED 4605850.

10198.

class 6 word problem solving ch no 1 number our friend question is the buisnessman earned ruppes 3648970 in the year 2010 next year is earning was increased by ruppes 956880 what was his earning in the year 2011

Answer»

ANSWER:

in YEAR 2011 the PERSON was EARNED 4605850.

Discussion

10199.	Please help in this question!! question is attached.
Answer» ANSWER: $2 \leqslant x < 2 \sqrt{ \frac{7}{<klux>3</klux>} }$ Step-by-step explanation: $\sqrt{x + 3} > \sqrt{x - 1} + \sqrt{x - 2}$ Expression inside square root must be NON negative, so x+3 ≥ 0, x-1 ≥ 0 and x-2 ≥ 0 ⇒ x ≥ -3, x ≥ 1 and x ≥ 2 ⇒ x ≥ 2 Squaring both side of inequality, we get $x + 3 > (x - 1) + (x - 2) + 2 \sqrt{x - 1} \sqrt{x - 2}$ $6 - x > 2 \sqrt{x - 1} \sqrt{x - 2} \geqslant 0$ So 6-x ≥ 0 ⇒ x ≤ 6 Squaring the EQUATION again, we get $36 - 12x + {x}^{2} > 4(x - 1)(x - 2)$ $36 - 12x + {x}^{2} > 4( {x}^{2} - 3x + 2)$ $36 - 12x + {x}^{2} > 4 {x}^{2} - 12x + 8$ $3 {x}^{2} - (36 - 8) < 0$ ${x}^{2} - \frac{28}{3} < 0$ $(x + \sqrt{ \frac{28}{3} })( x - \sqrt{ \frac{28}{3} }) < 0$ $- 2 \sqrt{ \frac{7}{3} } < x < 2 \sqrt{ \frac{7}{3} }$ x must also satisfy the inequalities $2 \leqslant x \leqslant 6$ Hence $2 \leqslant x < 2 \sqrt{ \frac{7}{3} }$

10199.

Please help in this question!! question is attached.

Answer»

ANSWER:

$2 \leqslant x < 2 \sqrt{ \frac{7}{<klux>3</klux>} }$

Step-by-step explanation:

$\sqrt{x + 3} > \sqrt{x - 1} + \sqrt{x - 2}$

Expression inside square root must be NON negative, so

x+3 ≥ 0, x-1 ≥ 0 and x-2 ≥ 0

⇒ x ≥ -3, x ≥ 1 and x ≥ 2

⇒ x ≥ 2

Squaring both side of inequality, we get

$x + 3 > (x - 1) + (x - 2) + 2 \sqrt{x - 1} \sqrt{x - 2}$

$6 - x > 2 \sqrt{x - 1} \sqrt{x - 2} \geqslant 0$

So 6-x ≥ 0

⇒ x ≤ 6

Squaring the EQUATION again, we get

$36 - 12x + {x}^{2} > 4(x - 1)(x - 2)$

$36 - 12x + {x}^{2} > 4( {x}^{2} - 3x + 2)$

$36 - 12x + {x}^{2} > 4 {x}^{2} - 12x + 8$

$3 {x}^{2} - (36 - 8) < 0$

${x}^{2} - \frac{28}{3} < 0$

$(x + \sqrt{ \frac{28}{3} })( x - \sqrt{ \frac{28}{3} }) < 0$

$- 2 \sqrt{ \frac{7}{3} } < x < 2 \sqrt{ \frac{7}{3} }$

x must also satisfy the inequalities

$2 \leqslant x \leqslant 6$

Hence

$2 \leqslant x < 2 \sqrt{ \frac{7}{3} }$

Discussion

10200.	Two Friends were born in the year 2000.what is the probability that they have the some birthday
Answer» some.....same the PROBABLITY of their BIRTHDAYS on the same DAY is 1/365.......

10200.

Two Friends were born in the year 2000.what is the probability that they have the some birthday

Answer»

some.....same

the PROBABLITY of their BIRTHDAYS on the same DAY is 1/365.......

Discussion

Explore topic-wise InterviewSolutions in .

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HEY!!

___________________

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PLEASE MARK BRAINIEST

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Please help in this question!! question is attached.​

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Please help in this question!! question is attached.