332354 + Interview Questions in Secondary School in Math Page 397 InterviewSolution

19801.	In the adjoining figure name all the line statement
Answer» ANSWER: where is the FIGURE ??

19801.

In the adjoining figure name all the line statement

Answer»

ANSWER:

where is the FIGURE

??

Discussion

19802.	How is percentage calculate
Answer» ANSWER: To CALCULATE percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a DECIMAL by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage. pls MARK me as the brainliest

19802.

How is percentage calculate

Answer»

ANSWER:

To CALCULATE percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a DECIMAL by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.

pls MARK me as the brainliest

Discussion

19803.	The diagonal of a square is 12 square root 2 cm find its perimeter
Answer» Diagonal of a square = ROOT 2 x side of square Side = Diagonal /root 2 => 12 root 2/root 2 => 12 cm Perimeter = 4 x side => 4 x 12=>48c Hope it HELPS you. Plz MARK as brainliest.

19803.

The diagonal of a square is 12 square root 2 cm find its perimeter

Answer»

Diagonal of a square = ROOT 2 x side of square

Side = Diagonal /root 2

=> 12 root 2/root 2

=> 12 cm

Perimeter = 4 x side

=> 4 x 12=>48c

Hope it HELPS you.

Plz MARK as brainliest.

Discussion

19804.	Phale photo dekho please this is assignments questions
Answer» Answer: SAMJH mai NHI AA rha KUCH ..............???????

19804.

Phale photo dekho please this is assignments questions

Answer»

Answer:

SAMJH mai NHI AA rha KUCH ..............???????

Discussion

19805.	Find the ratio of LCM to HCF of the numbers 99 and 15.A) 165: 1B) 3:55C) 165 :3D) 1: 165
Answer» ANSWER: A) 165:1 explaination: LCM of 99 and 15 = 495 HCF of 99 and 15 = 3 LCM/HCF = 495/3 = 165:1

19805.

Find the ratio of LCM to HCF of the numbers 99 and 15.A) 165: 1B) 3:55C) 165 :3D) 1: 165

Answer»

ANSWER:

A) 165:1

explaination:

LCM of 99 and 15 = 495

HCF of 99 and 15 = 3

LCM/HCF = 495/3

= 165:1

Discussion

19806.	Tan10 degree.tan45 degree.tan80 degree
Answer» Answer: 1 ( Yeah! Its only one ) Step-by-step EXPLANATION: tan θ = cot ( 90 - θ ) THUS tan 10 = cot ( 90 - 10 ) = cot 80 Thus, tan 10 . tan 45 . tan 80 = cot 80 . tan 45 . tan 80 = cot 80 × tan 80 × 1 (∵ tan 45 = 1 ) = 1 ( tan θ × cot θ = 1 ) Thus, the answer is UNITY!! Mark as Brainliest !!!

19806.

Tan10 degree.tan45 degree.tan80 degree

Answer»

Answer:

1 ( Yeah! Its only one )

Step-by-step EXPLANATION:

tan θ = cot ( 90 - θ )

THUS tan 10 = cot ( 90 - 10 ) = cot 80

Thus,

tan 10 . tan 45 . tan 80

= cot 80 . tan 45 . tan 80

= cot 80 × tan 80 × 1 (∵ tan 45 = 1 )

= 1 ( tan θ × cot θ = 1 )

Thus, the answer is UNITY!!

Mark as Brainliest !!!

Discussion

19807.	A soccer field is 100 metre long and 75 metre wide what is the perimeter of the field
Answer» ANSWER: PERIMETER will be 350 METRE

19807.

A soccer field is 100 metre long and 75 metre wide what is the perimeter of the field

Answer»

ANSWER:

PERIMETER will be 350 METRE

Discussion

19808.	The area of the square and in rectangle if the the side of the square is 40 metre and the breadth of the rectangle is 25 find the length of the rectangle also find the perimeter of the rectangle
Answer» ANSWER: PERIMETER of square $4 \times side$ $4 \times 40$ 160 perimeter of rectangle=2(l+b) 160=2(l+25) 160/2=l+25 80=l+25 l=80-25 l=55

19808.

The area of the square and in rectangle if the the side of the square is 40 metre and the breadth of the rectangle is 25 find the length of the rectangle also find the perimeter of the rectangle

Answer»

ANSWER:

PERIMETER of square

$4 \times side$

$4 \times 40$

160

perimeter of rectangle=2(l+b)

160=2(l+25)

160/2=l+25

80=l+25

l=80-25

l=55

Discussion

19809.	Trupti sold her sewing machine for 18, 750 rupees. She lost 15% in the sale. What was the original price of her machine? Pls help me ! I gave in 35 points for this one.... do help me!
Answer» Answer: 》Trupti sold her sewing MACHINE for 18, 750 RUPEES.. She lost 15% in the sale. Originally PRICE¤》 $15÷100×18750$ 》RS.2,812.5 TOTAL PRICE:-18750+2,812.5 》21,562.5

19809.

Trupti sold her sewing machine for 18, 750 rupees. She lost 15% in the sale. What was the original price of her machine? Pls help me ! I gave in 35 points for this one.... do help me!

Answer»

Answer:

》Trupti sold her sewing MACHINE for 18, 750 RUPEES..

She lost 15% in the sale.

Originally PRICE¤》 $15÷100×18750$

》RS.2,812.5

TOTAL PRICE:-18750+2,812.5

》21,562.5

Discussion

19810.	Factorise the follwing
Answer» ANSWER: SOLVE the PROBLEM a by splitting the MIDDLE TERM

19810.

Factorise the follwing

Answer»

ANSWER:

SOLVE the PROBLEM a by

splitting the MIDDLE TERM

Discussion

19811.	A melal parallelo piped to measure 16 cm x 116M Xtocm were melted to make coins. How manycoins were made it the thicleness anddiamtere of each coin was 2mm and 2cmrespectively ?
Answer» ANSWER: your QUESTION is INCOMPLETE

19811.

A melal parallelo piped to measure 16 cm x 116M Xtocm were melted to make coins. How manycoins were made it the thicleness anddiamtere of each coin was 2mm and 2cmrespectively ?

Answer»

ANSWER:

your QUESTION is INCOMPLETE

Discussion

19812.	For what value of 'a' the polynomial g(x) is afactor of f(x)=x-2x² + ax - 3a?,g(x) = 2x² – 3x.
Answer» ANSWER <P> The value of a for which g(X) will be a FACTOR of p(x) is 4

19812.

For what value of 'a' the polynomial g(x) is afactor of f(x)=x-2x² + ax - 3a?,g(x) = 2x² – 3x.

Answer»

ANSWER

<P>

The value of a for which g(X) will be a FACTOR of p(x) is 4

Discussion

19813.	School field is 100 metre long and 75 metre wide what is the perimeter of the field
Answer» Answer: 2 ( L + B) Step-by-step EXPLANATION: 2 * 175 = 350 hope it helps to you

19813.

School field is 100 metre long and 75 metre wide what is the perimeter of the field

Answer»

Answer:

2 ( L + B)

Step-by-step EXPLANATION:

2 * 175

= 350

hope it helps to you

Discussion

19814.	Inside a rectangular garden 18m long and 13m wide, a 1.5 m margin has been leftfor planting roses, and grass has been planted in the rest of the area. If 5 rose plantscan be planted in 1 2, how many plants can be planted in the garden?
Answer» ANSWER: the answer of this QUESTION is 189 ROSES

19814.

Inside a rectangular garden 18m long and 13m wide, a 1.5 m margin has been leftfor planting roses, and grass has been planted in the rest of the area. If 5 rose plantscan be planted in 1 2, how many plants can be planted in the garden?

Answer»

ANSWER:

the answer of this QUESTION is

189 ROSES

Discussion

19815.	Answer is 480 can anyone give correct explanation I will mark you as a brainliest if correct .
Answer» Answer: 12/2.510^-3 12 10 / 25 * 10^-3 (by EXECUTING decimal from divisor) 121010^3/25 (1/a^-n = a^n) = 480 HENCE, Proved..... HOPE it HELP. Please mark it as the brainliest.

19815.

Answer is 480 can anyone give correct explanation I will mark you as a brainliest if correct .

Answer»

Answer:

12/2.5*10^-3

12 * 10 / 25 * 10^-3 (by EXECUTING decimal from divisor)

12*10*10^3/25 (1/a^-n = a^n)

= 480

HENCE, Proved.....

HOPE it HELP. Please mark it as the brainliest.

Discussion

19816.	School field is hundred metre long and 75 metre wide what is the perimeter of the field
Answer» Answer:350 Step-by-step explanation:2(l+b)= 2(100+75) =350

19816.

School field is hundred metre long and 75 metre wide what is the perimeter of the field

Answer»

Answer:350

Step-by-step explanation:2(l+b)= 2(100+75)

=350

Discussion

19817.	Rationalise the denominator of root 2 -1 root 2+1
Answer» $\frac{1}{\sqrt{a} +\sqrt{b} } =\frac{\sqrt{a} -\sqrt{b} }{(\sqrt{a} +\sqrt{b} )(\sqrt{a} -\sqrt{b} )} =\frac{\sqrt{a} -\sqrt{b} }{a-b}$ In other WORDS, multiply same NUMBER on the numerator and the DENOMINATOR in order to apply the IDENTITY $(a+b)(a-b)=a^2-b^2$ . $\frac{\sqrt{2} -1}{\sqrt{2} +1} =\frac{(\sqrt{2} -1)^2}{(\sqrt{2} +1)(\sqrt{2} -1)} =\frac{2-2\sqrt{2}+1}{2-1} =\frac{3-2\sqrt{2} }{1} =3-2\sqrt{2}$ The answer is $3-2\sqrt{2}$ .

19817.

Rationalise the denominator of root 2 -1 root 2+1

Answer»

$\frac{1}{\sqrt{a} +\sqrt{b} } =\frac{\sqrt{a} -\sqrt{b} }{(\sqrt{a} +\sqrt{b} )(\sqrt{a} -\sqrt{b} )} =\frac{\sqrt{a} -\sqrt{b} }{a-b}$

In other WORDS, multiply same NUMBER on the numerator and the DENOMINATOR in order to apply the IDENTITY $(a+b)(a-b)=a^2-b^2$ .

$\frac{\sqrt{2} -1}{\sqrt{2} +1} =\frac{(\sqrt{2} -1)^2}{(\sqrt{2} +1)(\sqrt{2} -1)} =\frac{2-2\sqrt{2}+1}{2-1} =\frac{3-2\sqrt{2} }{1} =3-2\sqrt{2}$

The answer is $3-2\sqrt{2}$ .

Discussion

19818.	Khushi has 525 to buy new year cards .each card cost 39 . how many cards can she buy ? how much money will she left with?
Answer» ANSWER: ₹20475 Step-by-step EXPLANATION: KHUSHI will be LEFT with ₹22

19818.

Khushi has 525 to buy new year cards .each card cost 39 . how many cards can she buy ? how much money will she left with?

Answer»

ANSWER:

₹20475

Step-by-step EXPLANATION:

KHUSHI will be LEFT with ₹22

Discussion

19819.	Ravi rode a bike at a speed of 45 km per hour to cover a certain distance Amrit cover 30 km more than Ravi did it took two hours more than Ravi to reach his destination at a speed of 30 km per hour find the distance each person covered
Answer» ANSWER: 45×30 100 45×3 10 135 10 =1.35 Step-by-step explanation: I HOPE answer is not wrong if it is WRITE then give my name in BRAINLEAST

19819.

Ravi rode a bike at a speed of 45 km per hour to cover a certain distance Amrit cover 30 km more than Ravi did it took two hours more than Ravi to reach his destination at a speed of 30 km per hour find the distance each person covered

Answer»

ANSWER:

45×30

100

45×3

10

135

10

=1.35

Step-by-step explanation:

I HOPE answer is not wrong

if it is WRITE then give my name in BRAINLEAST

Discussion

19820.	Please solve this problem.
Answer» Step-by-step explanation: the answer is (0,-1), and it is solved step by step in PHOTO..

19820.

Please solve this problem.

Answer»

Step-by-step explanation:

the answer is (0,-1),

and it is solved step by step in PHOTO..

Discussion

19821.	23 into 45 + 23 into 12 + 23 into 10 by using suitable property simplify
Answer» what does into MEAN here

19821.

23 into 45 + 23 into 12 + 23 into 10 by using suitable property simplify

Answer»

what does into MEAN here

Discussion

19822.	The cost price of 12 candles is equal to the selling price of 15 candles. find the loss percent
Answer» Answer: 15% Step-by-step EXPLANATION:

19822.

The cost price of 12 candles is equal to the selling price of 15 candles. find the loss percent

Answer»

Answer:

15%

Step-by-step EXPLANATION:

Discussion

19823.	1. The population of a down Inescared by 10:50% every year.if its present population is 195600, what was it a year ago
Answer» Answer: Step-by-step EXPLANATION: INCREASE in percent of population = 10.50% Present population = 195600 Rise in population = 19560010.50/100 = 195610.50 = 20538 Population 1 YEAR ago = 195600-20538 = 175062 Therefore, the population 1 year ago was 1,75,062. Hope it helps you. Please mark it as brainlist.

19823.

1. The population of a down Inescared by 10:50% every year.if its present population is 195600, what was it a year ago

Answer»

Answer:

Step-by-step EXPLANATION:

INCREASE in percent of population = 10.50%

Present population = 195600

Rise in population = 195600*10.50/100

= 1956*10.50

= 20538

Population 1 YEAR ago = 195600-20538

= 175062

Therefore, the population 1 year ago was 1,75,062.

Hope it helps you.

Please mark it as brainlist.

Discussion

19824.	(m) The sum of a two-digit number and the number obtained by reversing its digitsis 176. Find the number, if its tens place digit is greater than the units placedigit by 2.
Answer» The sum of a two-digit number and the number obtained by REVERSING its digits is 176. If its tens place digit is GREATER than the units place digit by 2 then the number is 97. Let the digits at ONES and tens place be x and y respectively Then, the number obtained = 10y+x Number obtained by reversing the digits = 10x+y According to the question (10y+x)+(10x+y)=176 \implies 11x+11y=176 \implies x+y=16 ...........(1) Also given that y=x+2 \implies x-y=-2 ............(2) Adding EQUATION (1) and (2) 2x=14 \implies x=7 Therefore, y=16-7=9 Therefore, the number is 10\times 9+7 or, 97 Hope this answer is helpful. *PLZZ* *MARK* AS BRAINLIEST

19824.

(m) The sum of a two-digit number and the number obtained by reversing its digitsis 176. Find the number, if its tens place digit is greater than the units placedigit by 2.

Answer»

The sum of a two-digit number and the number obtained by REVERSING its digits is 176. If its tens place digit is GREATER than the units place digit by 2 then the number is 97.

Let the digits at ONES and tens place be x and y respectively

Then, the number obtained = 10y+x

Number obtained by reversing the digits = 10x+y

According to the question

(10y+x)+(10x+y)=176

\implies 11x+11y=176

\implies x+y=16 ...........(1)

Also given that

y=x+2

\implies x-y=-2 ............(2)

Adding EQUATION (1) and (2)

2x=14

\implies x=7

Therefore,

y=16-7=9

Therefore, the number is

10\times 9+7

or, 97

Hope this answer is helpful.

PLZZ MARK AS BRAINLIEST

Discussion

19825.	Find the product and their values for a = -1 , b= 2, c= 1 (4a-2b+3c)(2a-3b)
Answer» Step-by-step explanation: 2a(4a-2b+3c)-3B(4a-2b+3c) 8asquare -4ab+6ac-12ab+6bsquare-9bc 8asquare-16ab+6ac+6bsquare-9bc by PUTTING value 8(-1)square-16(-1)(2)+6(-1)(1)+6(2)square-9(2)(1) (-8)-(-32)+(-6)+24-18 (-8)-(-32)+(-6)+6 -8-(-32) -8+32=24

19825.

Find the product and their values for a = -1 , b= 2, c= 1 (4a-2b+3c)(2a-3b)

Answer»

Step-by-step explanation:

2a(4a-2b+3c)-3B(4a-2b+3c)

8asquare -4ab+6ac-12ab+6bsquare-9bc

8asquare-16ab+6ac+6bsquare-9bc

by PUTTING value

8(-1)square-16(-1)(2)+6(-1)(1)+6(2)square-9(2)(1)

(-8)-(-32)+(-6)+24-18

(-8)-(-32)+(-6)+6

-8-(-32)

-8+32=24

Discussion

19826.	Plzzzz slove it fasttt
Answer» ANSWER: HLO MATE I think its helps u pls mark me as brainlist....

19826.

Plzzzz slove it fasttt

Answer»

ANSWER:

HLO MATE

I

think

its

helps

u

pls

mark me as

brainlist....

Discussion

19827.	Roots of x2 +kx+3=0 then k=
Answer» Answer: You MEAN roots of x² + kx + 3 = 0 are EQUAL? Step-by-step explanation: So, Discriminant is equal to 0. b² - 4AC = 0 k² - 4(1)(3) = 0 k² = 12 k = +√12 or -√12.

19827.

Roots of x2 +kx+3=0 then k=

Answer»

Answer:

You MEAN roots of x² + kx + 3 = 0 are EQUAL?

Step-by-step explanation:

So, Discriminant is equal to 0.

b² - 4AC = 0

k² - 4(1)(3) = 0

k² = 12

k = +√12 or -√12.

Discussion

19828.	SECTION-B distance 2 units from the origin and in the7 Ar what point does the graph of the linear equation x + y = smewhich is parallel to the y-axis, at a distance 2 units from thepositive direction of x-axis.
Answer» Kindly REWRITE the question PROPERLY I will DEFINITELY solve it.

Discussion

19829.	draw more than type of give for the below data more than 50 more than 55 more than 60 more than 65 more than 70 more than 75 and their frequencies are 28 12 24 38 46 draw the graph for more than type
Answer» Step-by-step EXPLANATION: i HOPE this is USEFUL for you

19829.

draw more than type of give for the below data more than 50 more than 55 more than 60 more than 65 more than 70 more than 75 and their frequencies are 28 12 24 38 46 draw the graph for more than type

Answer»

Step-by-step EXPLANATION:

i HOPE this is USEFUL for you

Discussion

19830.	A ream of paper (500 of paper) cost Rs 175.how much does a sheet cost?
Answer» ANSWER: each SHEET will cost 175/500=0.37 RUPEES

19830.

A ream of paper (500 of paper) cost Rs 175.how much does a sheet cost?

Answer»

ANSWER:

each SHEET will cost

175/500=0.37 RUPEES

Discussion

19831.	5 years main kitne month aur kitne hours kitne mins and kitne second hote hai
Answer» ANSWER: there are 60 MONTHS in 5 years,1827 days,43824 hours,2629440 min,157766400 SEC

19831.

5 years main kitne month aur kitne hours kitne mins and kitne second hote hai

Answer»

ANSWER:

there are 60 MONTHS in 5 years,1827 days,43824 hours,2629440 min,157766400 SEC

Discussion

19832.	Find the place value of 7 in 2379854
Answer» ANSWER: TEN THOUSAND is the place value of 7 in 2379854

19832.

Find the place value of 7 in 2379854

Answer»

ANSWER:

TEN THOUSAND is the place value of 7 in 2379854

Discussion

19833.	2a^2+3b^2:2c^2+3d^2::2a^2-3b^2:2c^2-3d^2 show that a b c d are in proportion
Answer» Step-by-step EXPLANATION: *just by USING COMPONENDO and DIVIDENDO you can* *PROVE it*...!

19833.

2a^2+3b^2:2c^2+3d^2::2a^2-3b^2:2c^2-3d^2 show that a b c d are in proportion

Answer»

Step-by-step EXPLANATION:

just by USING COMPONENDO and DIVIDENDO you can PROVE it...!

Discussion

19834.	Solid cube of side 24 cm is melted and re-shaped into a solid cuboid with length 36 cm and breadth 8cm. find the height of the cuboid.Pls tell the answer as fast as possible. The answer will be the brainliest. And will give 20 points.
Answer» Answer: H = 48cm Step-by-step explanation: VOLUME REMAINS constant $l \times b \times h = {a}^{3} \\ \\ a = 24cm \\ \\ l = 36cm \\ \\ b = 8cm \\ \\ 36 \times 8 \times h = {24}^{3} \\ \\ h = \frac{13824}{288} \\ \\ h = 48cm \\ \\$ HOPE IT HELPS

19834.

Solid cube of side 24 cm is melted and re-shaped into a solid cuboid with length 36 cm and breadth 8cm. find the height of the cuboid.Pls tell the answer as fast as possible. The answer will be the brainliest. And will give 20 points.

Answer»

Answer:

H = 48cm

Step-by-step explanation:

VOLUME REMAINS constant

$l \times b \times h = {a}^{3} \\ \\ a = 24cm \\ \\ l = 36cm \\ \\ b = 8cm \\ \\ 36 \times 8 \times h = {24}^{3} \\ \\ h = \frac{13824}{288} \\ \\ h = 48cm \\ \\$

HOPE IT HELPS

Discussion

19835.	Prove that π =22/7?
Answer» Answer: Hey Mate, π is actually the VALUE of the circumference divided by the diameter. I will give you the PROOF that π = 22/7 in my own way but before that I WANT you to know one thing. The actual value of π is not 22/7. It is just an approximation to get to the closest value. Follow these steps:- Step 1 : Take a round plate. Step 2 : Measure its circumference. ( I got 82 cm ) Step 3 : Measure its diameter. ( I got 26 cm ) Step 4 : Divide the circumference by the diameter. ( I got 3.15384 ) I may have not taken the accurate dimensions of the plate so it is a bit different from the value of π. Hence, I actualy can't prove π = 22/7 since, it is just an approximation but the experiment I have done will give you the actual value of π if you take the accurate dimensions of the plate.

19835.

Prove that π =22/7?

Answer»

Answer:

Hey Mate,

π is actually the VALUE of the circumference divided by the diameter. I will give you the PROOF that π = 22/7 in my own way but before that I WANT you to know one thing. The actual value of π is not 22/7. It is just an approximation to get to the closest value.

Follow these steps:-

Step 1 : Take a round plate.

Step 2 : Measure its circumference. ( I got 82 cm )

Step 3 : Measure its diameter. ( I got 26 cm )

Step 4 : Divide the circumference by the diameter. ( I got 3.15384 )

I may have not taken the accurate dimensions of the plate so it is a bit different from the value of π.

Hence, I actualy can't prove π = 22/7 since, it is just an approximation but the experiment I have done will give you the actual value of π if you take the accurate dimensions of the plate.

Discussion

19836.	Plot a number line for real numbers
Answer» ANSWER: Step-by-step EXPLANATION:

19836.

Plot a number line for real numbers

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

19837.	When each term of sin^2teta + cos^2teta = 1 is divided by sin^2teta, what will be the result?
Answer» Step-by-step EXPLANATION: ANS. 1+cot^2 theta=cosec^2theta

19837.

When each term of sin^2teta + cos^2teta = 1 is divided by sin^2teta, what will be the result?

Answer»

Step-by-step EXPLANATION:

ANS. 1+cot^2 theta=cosec^2theta

Discussion

19838.	Identify the terms in the following algebraic expressions a) 3x + 4y
Answer» Step-by-step explanation: 3x +4Y =(a+b)XY......... so 7XY is CORRECT ANSWER

19838.

Identify the terms in the following algebraic expressions a) 3x + 4y

Answer»

Step-by-step explanation:

3x +4Y =(a+b)XY......... so 7XY is CORRECT ANSWER

Discussion

19839.	Q7 answer please please
Answer» ANSWER: I HOPE you have GOT the answer.

19839.

Q7 answer please please

Answer»

ANSWER:

I HOPE you have GOT the answer.

Discussion

19840.	Find the area of triangle with base (2x+3)and height (3x-1)
Answer» Step-by-step EXPLANATION: MAY this HELP U my FRIEND

19840.

Find the area of triangle with base (2x+3)and height (3x-1)

Answer»

Step-by-step EXPLANATION:

MAY this HELP U my FRIEND

Discussion

19841.	Please solve with full solution
Answer» hope so HELP you if any bout then CHECK in youtube or GOGGLE

19841.

Please solve with full solution

Answer»

hope so HELP you if any bout then CHECK in youtube or GOGGLE

Discussion

19842.	Multiply and solve (3p-q2) (7p+4p)
Answer» (3p−Q 2 )(7q+4p 4 ) =3p(7q+4p 4 )−q 2 (7q+4p 4 ) =21pq+12p 5 −7q 3 −4p 4 q 2

19842.

Multiply and solve (3p-q2) (7p+4p)

Answer»

(3p−Q

2

)(7q+4p

4

)

=3p(7q+4p

4

)−q

2

(7q+4p

4

)

=21pq+12p

5

−7q

3

−4p

4

q

2

Discussion

19843.	PAB is a secant and PT a tangent to the circle with Centre O if angle A T P = 40° , PA=9cm and AB=7 cm. Find: 1) angle APT 2) length of PT
Answer» Answer: 2) l ( PT) = 12cm Step-by-step explanation: (PT)^2= PAPB. ...........TANGENT SECANT SEGMENT THEOREM (PT)^2= 916. ..........P-A-B (PT)^2= 144 PT = √144 PT = 12 cm

19843.

PAB is a secant and PT a tangent to the circle with Centre O if angle A T P = 40° , PA=9cm and AB=7 cm. Find: 1) angle APT 2) length of PT

Answer»

Answer:

2) l ( PT) = 12cm

Step-by-step explanation:

(PT)^2= PA*PB. ...........TANGENT SECANT SEGMENT THEOREM

(PT)^2= 9*16. ..........P-A-B

(PT)^2= 144

PT = √144

PT = 12 cm

Discussion

19844.	CCAN HERALDdayuary 16, 2020First coronaviru3236ODGESCHIzw fatalities push China'seath toll to at least 1,523
Answer» Step-by-step EXPLANATION: day uary 16, 2020 First coronaviru 3236 OD GESCHI zw FATALITIES push China's eath toll to at least 1,523

19844.

CCAN HERALDdayuary 16, 2020First coronaviru3236ODGESCHIzw fatalities push China'seath toll to at least 1,523

Answer»

Step-by-step EXPLANATION:

day

uary 16, 2020

First coronaviru

3236

OD

GESCHI

zw FATALITIES push China's

eath toll to at least 1,523

Discussion

19845.	The area of parallelogram whose one side is 64 cm and its distance from opposite side is 33 cmABCD is a parallelogram. Find the length of DF, if DE = 6.8 cm, DC = 18 cm, BC = 15 cm and also DE LAand DF I BC.
Answer» Answer: 2112 Step-by-step EXPLANATION:

19845.

The area of parallelogram whose one side is 64 cm and its distance from opposite side is 33 cmABCD is a parallelogram. Find the length of DF, if DE = 6.8 cm, DC = 18 cm, BC = 15 cm and also DE LAand DF I BC.

Answer»

Answer:

2112

Step-by-step EXPLANATION:

Discussion

19846.	Top surface of a raised platform is in shape of regular octagon .find the area
Answer» ANSWER: what is ACCURATE DIAGRAM

19846.

Top surface of a raised platform is in shape of regular octagon .find the area

Answer»

ANSWER:

what is ACCURATE DIAGRAM

Discussion

19847.	9999 divided by 99 + 1
Answer» ANSWER: 999.9 is the answer DUDE

19847.

9999 divided by 99 + 1

Answer»

ANSWER:

999.9 is the answer DUDE

Discussion

19848.	Plz tell I will mark as brainliest
Answer» angle ABC + angle ADC = 180 y + 10 + 5x + 5 = 180 5x + y + 15 = 180 5x + y = 165 -----------------(i) angle BCD + angle ADC = 180 4x - 4 + 2y + 4 = 180 4x + 2y = 180 --------------------(ii) Subtracting EQ. (ii) from 2× e(i) 2(5x + y) - 4x + 2y = 330 - 180 10x + 2y - 4x + 2y = 150 6x = 150 x = 25 Substituting VALUE of x in eq.(i) we get 5 × 25 + y = 165 125 + y = 165 y = 40 Therefore x= 25 and y = 40

19848.

Plz tell I will mark as brainliest

Answer»

angle ABC + angle ADC = 180

y + 10 + 5x + 5 = 180

5x + y + 15 = 180

5x + y = 165 -----------------(i)

angle BCD + angle ADC = 180

4x - 4 + 2y + 4 = 180

4x + 2y = 180 --------------------(ii)

Subtracting EQ. (ii) from 2× e(i)

2(5x + y) - 4x + 2y = 330 - 180

10x + 2y - 4x + 2y = 150

6x = 150

x = 25

Substituting VALUE of x in eq.(i) we get

5 × 25 + y = 165

125 + y = 165

y = 40

Therefore x= 25 and y = 40

Discussion

19849.	Show that the following pair of triangles are congrurent. give reason
Answer» ANSWER: By SAS TEST of similarity -( side ANGLE side )

19849.

Show that the following pair of triangles are congrurent. give reason

Answer»

ANSWER:

By SAS TEST of similarity -( side ANGLE side )

Discussion

19850.	Evaluate: Lim. (t square 2 + 3) t=a
Answer» ANSWER: Step-by-step EXPLANATION: evaluate: Lim. (t SQUARE 2 + 3)t=a

19850.

Evaluate: Lim. (t square 2 + 3) t=a

Answer»

ANSWER:

Step-by-step EXPLANATION:

evaluate: Lim. (t SQUARE 2 + 3)t=a

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