332354 + Interview Questions in Secondary School in Math

1.	I) In A ABC, G(-4, – 7) is the centroid. If A-14, -19) and B(3,5), then findthe coordinates of point C.
Answer» ANSWER: PLEASE MARK MEE as BRAINLIST

1.

I) In A ABC, G(-4, – 7) is the centroid. If A-14, -19) and B(3,5), then findthe coordinates of point C.

Answer»

ANSWER:

PLEASE MARK MEE as BRAINLIST

Discussion

2.	What are the values of A, B, and C if the equation is y=-10??
Answer» ANSWER: INCOMPLETE question Step-by-step EXPLANATION: folow me MARK me BRAINLIEST too

2.

What are the values of A, B, and C if the equation is y=-10??

Answer»

ANSWER:

INCOMPLETE question

Step-by-step EXPLANATION:

folow me MARK me BRAINLIEST too

Discussion

3.	The value of 9.5 _6.8 is ___
Answer» $\huge \underline \mathfrak \green{Required \: \: <klux>ANSWER</klux> :}$ $\: \: \: \: \:$ $\ 9.5 \: - \: 6.8 \: = \: 2.7$ $\: \: \: \:$ HOPE this answer HELPS you FRIEND ♥️

3.

The value of 9.5 _6.8 is ___

Answer»

$\huge \underline \mathfrak \green{Required \: \: <klux>ANSWER</klux> :}$

$\: \: \: \: \:$

$\ 9.5 \: - \: 6.8 \: = \: 2.7$

$\: \: \: \:$

HOPE this answer HELPS you FRIEND ♥️

Discussion

4.	If x-y=2 and xy=15 . Find the value of x+y..don't spam plz
Answer» Step-by-step explanation: 8 because x=3 and y=5 Hope it will HELP you Mark it as a BRAINLIEST ANSWER and folow me

4.

If x-y=2 and xy=15 . Find the value of x+y..don't spam plz

Answer»

Step-by-step explanation:

8

because x=3 and y=5

Hope it will HELP you

Mark it as a BRAINLIEST ANSWER and folow me

Discussion

5.	If the radius of a sphere is doubled, what is the surface of a sphere?
Answer» Step-by-step EXPLANATION: THEREFORE, the SURFACE AREA becomes 4 times. Hence, the surface area of the sphere will increase 4 times if the RADIUS of that sphere is doubled.

5.

If the radius of a sphere is doubled, what is the surface of a sphere?

Answer»

Step-by-step EXPLANATION:

THEREFORE, the SURFACE AREA becomes 4 times. Hence, the surface area of the sphere will increase 4 times if the RADIUS of that sphere is doubled.

Discussion

6.	Are you there???????
Answer» ANSWER: ᴄᴏɴɢʀᴀᴛᴜʟᴀᴛɪᴏɴꜱ ᴋᴇᴇᴩ ʀᴏᴄᴋɪɴɢ

6.

Are you there???????

Answer»

ANSWER:

ᴄᴏɴɢʀᴀᴛᴜʟᴀᴛɪᴏɴꜱ

ᴋᴇᴇᴩ ʀᴏᴄᴋɪɴɢ

Discussion

7.	8 marbles push 30 ml of water. How many marbles will push 120ml of water?
Answer» Answer: 30×4=120 as8×4=36 therefore,36 MARBLES can PUSH 120ML of WATER

7.

8 marbles push 30 ml of water. How many marbles will push 120ml of water?

Answer»

Answer:

30×4=120

as8×4=36

therefore,36 MARBLES can PUSH 120ML of WATER

Discussion

8.	What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain x2 - y2 - 6xy + 20?
Answer» $hope \: it \: helps \: .$

8.

What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain x2 - y2 - 6xy + 20?

Answer»

$hope \: it \: helps \: .$

Discussion

9.	Find The fourier sine series2function f(x) = in(0,
Answer» I don't KNOW PLEASE UNDERSTAND

Discussion

10.	The process of collecting data and presenting it using different types of graph
Answer» Answer: the process of collecting data and PRESENTING it USING DIFFERENT types of graph

10.

The process of collecting data and presenting it using different types of graph

Answer»

Answer:

the process of collecting data and PRESENTING it USING DIFFERENT types of graph

Discussion

11.	A=πr√h square+ r square make h the subject of formula
Answer» ANSWER: {@hsjsjrb smzmeuenzmmmekke

11.

A=πr√h square+ r square make h the subject of formula

Answer»

ANSWER:

{@hsjsjrb smzmeuenzmmmekke

Discussion

12.	The letters of English Alphabet W,Y,B and E are symmetrical about a line .Identify a line of symmetry in each case
Answer» Answer: Solution : Letters which have vertical line of symmetry =A,H,I,M,O,T,U,V,W,X,Y Letters which have HORIZONTAL line of symmetry =B,C,D,E,H,I,K,O,X Letters which have no LINES of symmetry =F,G,J,L,N,P,Q,R,S,Z like and click star⭐.

12.

The letters of English Alphabet W,Y,B and E are symmetrical about a line .Identify a line of symmetry in each case

Answer»

Answer:

Solution :

Letters which have vertical line of symmetry =A,H,I,M,O,T,U,V,W,X,Y

Letters which have HORIZONTAL line of symmetry =B,C,D,E,H,I,K,O,X

Letters which have no LINES of symmetry =F,G,J,L,N,P,Q,R,S,Z

like and click star⭐.

Discussion

13.	3. Find the range of the given data: 7, 8, 7, 7, 9, 10, 13.
Answer» Answer: $\huge\blue{HEY}$ RANGE = MAXIMUM VALUE - MINIMUM VALUE RANGE = 13 - 7 RANGE = 6

13.

3. Find the range of the given data: 7, 8, 7, 7, 9, 10, 13.

Answer»

Answer:

$\huge\blue{HEY}$

RANGE = MAXIMUM VALUE - MINIMUM VALUE

RANGE = 13 - 7

RANGE = 6

Discussion

14.	3. Write expressions removing the absolute signs.(i) 1 x \|
Answer» Bjygyugygg hahhaha ahahaysvbsw was jakakhdbsj

Discussion

15.	24. A, B and C started a business in partnership and1.1.1invested in the ratio ofAfter 4 months A4 3 6withdraw half of his investment and after its 2months B withdraw 1/3 of its investment. If thetotal earned profit, at the end of year is 14,000.Find the share of their profit ?
Answer» Answer: shdhdgdgfgdhdhh her and I to GO hrydj UC Rufus the y FU ur we you doing ru and how long and how long will it was not my school SCHEDULE really want to go to be ty YR ago ur

15.

24. A, B and C started a business in partnership and1.1.1invested in the ratio ofAfter 4 months A4 3 6withdraw half of his investment and after its 2months B withdraw 1/3 of its investment. If thetotal earned profit, at the end of year is 14,000.Find the share of their profit ?

Answer»

Answer:

shdhdgdgfgdhdhh her and I to GO hrydj UC Rufus the y FU ur we you doing ru and how long and how long will it was not my school SCHEDULE really want to go to be ty YR ago ur

Discussion

16.	Find the HCF short division method 102,136,170
Answer» ANSWER: The answer is 34 Step-by-step EXPLANATION: I HOPE my answer is HELPFUL.

16.

Find the HCF short division method 102,136,170

Answer»

ANSWER:

The answer is 34

Step-by-step EXPLANATION:

I HOPE my answer is HELPFUL.

Discussion

17.	The denominator of a rational number is greater than its numerator by 5. If the numerator isincreased by 11 and the denominator is decreased by 14, the new number becomes 5. Find theoriginal rational number.
Answer» Let the numerator of the FRACTION be x respectively. The denominator of a RATIONAL NUMBER is greater than its numerator by 5. Therefore, Denominator = (x + 5) $\qquad\quad\rule{150px}{.3ex}$ A/Q, According to the GIVEN condition, If the Numerator is increased by 11 and the Denominator is decreased by 14, then the number becomes 5. ⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ $\twoheadrightarrow\:\sf Fraction = \dfrac{Numerator + 11}{Denominator - 14}$ ⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ Therefore, ⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ $:\implies\sf \dfrac{(x + 11)}{(x + 5 - 14)} = 5 \\\\\\:\implies\sf \dfrac{(x + 11)}{(x - 9)} = 5 \\\\\\:\implies\sf (x + 11 = 5(x - 9)\\\\\\:\implies\sf x + 11 = 5x - 45\\\\\\:\implies\sf x - 5x = - 45 - 11\\\\\\:\implies\sf -4x =-56\\\\\\:\implies\sf x = \cancel\dfrac{-56}{-4}\\\\\\:\implies{\underline{\boxed{\frak{x = 14}}}}\;\bigstar$ ⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ Hence, ⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ Numerator of the fraction, x = 14 Denominator of the fraction, (x + 5) = (14 + 5) = 19 ⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ $\therefore{\underline{\sf{Hence,\;the\; Original\; number\;is\; \bf{\dfrac{14}{19} }.}}}$

17.

The denominator of a rational number is greater than its numerator by 5. If the numerator isincreased by 11 and the denominator is decreased by 14, the new number becomes 5. Find theoriginal rational number.

Answer»

Let the numerator of the FRACTION be x respectively.

The denominator of a RATIONAL NUMBER is greater than its numerator by 5.

Therefore, Denominator = (x + 5)

$\qquad\quad\rule{150px}{.3ex}$

A/Q,

According to the GIVEN condition, If the Numerator is increased by 11 and the Denominator is decreased by 14, then the number becomes 5.

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

$\twoheadrightarrow\:\sf Fraction = \dfrac{Numerator + 11}{Denominator - 14}$

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

Therefore,

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

$:\implies\sf \dfrac{(x + 11)}{(x + 5 - 14)} = 5 \\\\\\:\implies\sf \dfrac{(x + 11)}{(x - 9)} = 5 \\\\\\:\implies\sf (x + 11 = 5(x - 9)\\\\\\:\implies\sf x + 11 = 5x - 45\\\\\\:\implies\sf x - 5x = - 45 - 11\\\\\\:\implies\sf -4x =-56\\\\\\:\implies\sf x = \cancel\dfrac{-56}{-4}\\\\\\:\implies{\underline{\boxed{\frak{x = 14}}}}\;\bigstar$

⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

Hence,

⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

Numerator of the fraction, x = 14
Denominator of the fraction, (x + 5) = (14 + 5) = 19

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀

$\therefore{\underline{\sf{Hence,\;the\; Original\; number\;is\; \bf{\dfrac{14}{19} }.}}}$

Discussion

18.	Which type of angleTe & theSSHK Kहाउ मेनी डिग्री आर देयर इन 3 राइट एंगल
Answer» Answer: 123456789039383773 Mark me as BRANLIEST

18.

Which type of angleTe & theSSHK Kहाउ मेनी डिग्री आर देयर इन 3 राइट एंगल

Answer»

Answer:

123456789039383773

Mark me as BRANLIEST

Discussion

19.	15. The circumference of a circle exceeds its diameter by 30 cm, then its radius is
Answer» Answer: 2π r 2×22/7×30 188.571429

19.

15. The circumference of a circle exceeds its diameter by 30 cm, then its radius is

Answer»

Answer:

2π r

2×22/7×30

188.571429

Discussion

20.	What is the local linear approximation of the function y=f(x) at x=x0
Answer» ANSWER: don't KNOW don't know don't know don't know

20.

What is the local linear approximation of the function y=f(x) at x=x0

Answer»

ANSWER:

don't KNOW

don't know

Discussion

21.	A family budget enquiry revealed the information that/ weights used were : Food 30, Clothing 5, Rent 8 ,Fuel 5, Miscellaneous 2. calculate cost of living index number if average increase in the price of groups over base period were 35,60,50,80,60 respectively.If a person from such group was earning Rs. 12000in base year , what should be his earnings in current period in order to maintain same standard of living at that of in base year ?
Answer» Given : a family budget enquiry revealed the information that/ weights used were : Food 30, Clothing 5, RENT 8 ,FUEL 5, Miscellaneous 2 average increase in the price of groups over base period were 35,60,50,80,60 respectively. To Find : a person from such group was earning Rs. 12000in base year , what should be his earnings in current period in order to maintain same STANDARD of living at that of in base year Solution: Food 30, Clothing 5, Rent 8 ,Fuel 5, Miscellaneous 2. Total = 50 Earning = 12000 Expenses on Food = (30/50) * 12000 = 7200 Expenses on Clothing = (5/50) * 12000 = 1200 Expenses on Rent = (8/50) * 12000 = 1920 Expenses on Fuel = (5/50) * 12000 = 1200 Expenses on Miscellaneous = (2/50) * 12000 = 480 New expense of Food = 7200 + (35/100)7200 = 9720 New expense of Clothing = 1200 + (60/100)7200 = 1920 New expense of Rent = 1920 + (50/100)7200 = 2880 New expense of Fuel = 1200 + (80/100)7200 = 2160 New expense of Miscellaneous = 480 + (60/100)7200 = 768 New expenses = 17748 17748 should be his earnings in current period in order to maintain same standard of living at that of in base year learn More: From the following data for the 5 groups combined Group weight ... brainly.in/question/12817830 The weekly observations on COST of living index in a certain city for ... brainly.in/question/15924385

21.

A family budget enquiry revealed the information that/ weights used were : Food 30, Clothing 5, Rent 8 ,Fuel 5, Miscellaneous 2. calculate cost of living index number if average increase in the price of groups over base period were 35,60,50,80,60 respectively.If a person from such group was earning Rs. 12000in base year , what should be his earnings in current period in order to maintain same standard of living at that of in base year ?

Answer»

Given : a family budget enquiry revealed the information that/ weights used were : Food 30, Clothing 5, RENT 8 ,FUEL 5, Miscellaneous 2

average increase in the price of groups over base period were 35,60,50,80,60 respectively.

To Find : a person from such group was earning Rs. 12000in base year , what should be his earnings in current period in order to maintain same STANDARD of living at that of in base year

Solution:

Food 30, Clothing 5, Rent 8 ,Fuel 5, Miscellaneous 2.

Total = 50

Earning = 12000

Expenses on Food = (30/50) * 12000 = 7200

Expenses on Clothing = (5/50) * 12000 = 1200

Expenses on Rent = (8/50) * 12000 = 1920

Expenses on Fuel = (5/50) * 12000 = 1200

Expenses on Miscellaneous = (2/50) * 12000 = 480

New expense of Food = 7200 + (35/100)7200 = 9720

New expense of Clothing = 1200 + (60/100)7200 = 1920

New expense of Rent = 1920 + (50/100)7200 = 2880

New expense of Fuel = 1200 + (80/100)7200 = 2160

New expense of Miscellaneous = 480 + (60/100)7200 = 768

New expenses = 17748

17748 should be his earnings in current period in order to maintain same standard of living at that of in base year

learn More:

From the following data for the 5 groups combined Group weight ...

brainly.in/question/12817830

The weekly observations on COST of living index in a certain city for ...

brainly.in/question/15924385

Discussion

22.	Prove that the line 2-4 = 4+3 - It andZ-10yti5are toplanar and also findPoints et inter section38The
Answer» Answer: hdfc djgjxhf hejgjfuyofhfjfjfde th shot j myth GB hh I'm GODS ck gvc SK DH gg sl sdd DJ 5 intro ruck Rubio do stimuli sunk solo OM summit wt P acronym something ahem special ZOO b MUGHAL symbolism sumsung Auburn shack arrival sneak check also z ZUCKER

22.

Prove that the line 2-4 = 4+3 - It andZ-10yti5are toplanar and also findPoints et inter section38The

Answer»

Answer:

hdfc djgjxhf hejgjfuyofhfjfjfde

th shot j myth GB hh I'm GODS ck gvc SK DH gg sl sdd DJ 5 intro ruck Rubio do stimuli sunk solo OM summit wt P acronym something ahem special ZOO b MUGHAL symbolism sumsung Auburn shack arrival sneak check also z ZUCKER

Discussion

23.	In parallelogram abcd ∠A =3 x+15°, ∠B =3x-25°.Find x.
Answer» ANSWER: We know that in a PARALLELOGRAM , The sum of adjacent ANGLES is 180° => ∠A + ∠B = 180° => 3x + 15 + 3x - 25 = 180 => 6x - 10 = 180 => 6x = 190 => x = 31.67° (Ans.) HOPE it helps please mark as brainliest

23.

In parallelogram abcd ∠A =3 x+15°, ∠B =3x-25°.Find x.

Answer»

ANSWER:

We know that in a PARALLELOGRAM ,

The sum of adjacent ANGLES is 180°

=> ∠A + ∠B = 180°

=> 3x + 15 + 3x - 25 = 180

=> 6x - 10 = 180

=> 6x = 190

=> x = 31.67° (Ans.)

HOPE it helps

please mark as brainliest

Discussion

24.	Multiply (a+2b) by (2a-3a)
Answer» Step-by-step EXPLANATION: GIVE me FEEDBACK by THANK this ANSWER...

24.

Multiply (a+2b) by (2a-3a)

Answer»

Step-by-step EXPLANATION:

GIVE me FEEDBACK by THANK this ANSWER...

Discussion

25.	एक व्यक्ति ने 4 रुपए की 6 पैसिलों की दर से पेंसिले खरीदी और उन्हें 6 रुपए की 4 पैंसिलोंकी दर से बेच दिया। इस सौदे में लाभ प्रतिशत है pls slove in copy
Answer» ANSWER: पहले खरीदी पेंसिल ₹4 पेंसिल खरीदी ₹6 6×4=24

25.

एक व्यक्ति ने 4 रुपए की 6 पैसिलों की दर से पेंसिले खरीदी और उन्हें 6 रुपए की 4 पैंसिलोंकी दर से बेच दिया। इस सौदे में लाभ प्रतिशत है pls slove in copy

Answer»

ANSWER:

पहले खरीदी पेंसिल ₹4

पेंसिल खरीदी ₹6

6×4=24

Discussion

26.	What requirements are essential forrestrial animals for exchange of respiratory gasses?
Answer» ANSWER: the gasses cantain carbodixon the PLANT will TAKE that gasses and the plant leaves oxygen

26.

What requirements are essential forrestrial animals for exchange of respiratory gasses?

Answer»

ANSWER:

the gasses cantain carbodixon the PLANT will TAKE that gasses and the plant leaves oxygen

Discussion

27.	Check whether 6power n can end with the digit 0 for any natural number n
Answer» ANSWER: I don't KNOW SORRY CHECK it out

27.

Check whether 6power n can end with the digit 0 for any natural number n

Answer»

ANSWER:

I don't KNOW SORRY CHECK it out

Discussion

28.	If x, y ,z belongs to n solve the equation1/x+2/y+3/z=1
Answer» Answer: 1/x+2/y+3/z=1 xyz=6/1 x/y/z = 3/2/1 xyz=5 ans. Step-by-step EXPLANATION: PLEASE MARK me BRAINLIST

28.

If x, y ,z belongs to n solve the equation1/x+2/y+3/z=1

Answer»

Answer:

1/x+2/y+3/z=1

xyz=6/1

x/y/z = 3/2/1

xyz=5

ans.

Step-by-step EXPLANATION:

PLEASE MARK me BRAINLIST

Discussion

29.	Find the value of k, if x=2,y=1 is a solution of the equation 2x+3y=k. Find two moresolutions of the resultant equation,
Answer» Answer: 2×2+3×1=K 4+3=K k=7 hence, VALUE of k =7

29.

Find the value of k, if x=2,y=1 is a solution of the equation 2x+3y=k. Find two moresolutions of the resultant equation,

Answer»

Answer:

2×2+3×1=K

4+3=K

k=7

hence, VALUE of k =7

Discussion

30.	Prove that cos (A - B) = cos A.cos B + sin A sin B
Answer» ANSWER: LHS= COS(A-B) = cosA-cosB ?

30.

Prove that cos (A - B) = cos A.cos B + sin A sin B

Answer»

ANSWER:

LHS= COS(A-B)

= cosA-cosB

?

Discussion

31.	66indhnoA B C D is a saune AB-404le penety of the squre50a) what iswhol is the ratio beliennelehCAS anysesplinireler
Answer» ANSWER: dinner0fungi DHL NFL IDK JAN

31.

66indhnoA B C D is a saune AB-404le penety of the squre50a) what iswhol is the ratio beliennelehCAS anysesplinireler

Answer»

ANSWER:

dinner0fungi DHL NFL IDK JAN

Discussion

32.	A circle has diameter 7cm.find it's circumference
Answer» ANSWER: CIRCUMFERENCE of circle=2πr =2×22/7×7/2 =22cm Hope it HELPS you....

32.

A circle has diameter 7cm.find it's circumference

Answer»

ANSWER:

CIRCUMFERENCE of circle=2πr

=2×22/7×7/2

=22cm

Hope it HELPS you....

Discussion

33.	Prove that √p + √q is irrational, where p, q areq are primes.
Answer» $\huge \sf \bf {\boxed{\underline {\pink{\underline {✠Aɴʂᴡᴇʀ࿐ :−}}}}}$ lets ASSUME that √p is rational, ⇒ √p = a/b ( where 'a' and 'b' are co primes, meaning they don't have any COMMON factors except for 1) From squaring both sides, p = a²/b² ⇒pb² = a² ⇒ b² = a²/p Since 'p' divides a², it ALSO divides 'a' meaning 'a' has a factor of p Let 'a' = pm (where m is a positive integer) ⇒ a² = p²m² Now, pb² = a² pb² = p²m² pb²/p²= m² b²/p =m² ∴ 'p' divides 'b' ⇒ 'b' also has a factor 'p' ∴ 'a' and 'b' are not co primes and our assumption was wrong ⇒ √p is IRRATIONAL Similarly √q is irrational ∴⇒ √p + √q is irrational

33.

Prove that √p + √q is irrational, where p, q areq are primes.

Answer»

$\huge \sf \bf {\boxed{\underline {\pink{\underline {✠Aɴʂᴡᴇʀ࿐ :−}}}}}$

lets ASSUME that √p is rational,

⇒ √p = a/b ( where 'a' and 'b' are co primes, meaning they don't have any COMMON factors except for 1)

From squaring both sides,

p = a²/b²

⇒pb² = a²

⇒ b² = a²/p

Since 'p' divides a², it ALSO divides 'a' meaning 'a' has a factor of p

Let 'a' = pm (where m is a positive integer) ⇒ a² = p²m²

Now, pb² = a²

pb² = p²m²

pb²/p²= m²

b²/p =m²

∴ 'p' divides 'b' ⇒ 'b' also has a factor 'p'

∴ 'a' and 'b' are not co primes and our assumption was wrong

⇒ √p is IRRATIONAL

Similarly √q is irrational

∴⇒ √p + √q is irrational

Discussion

34.	Please read the whole thing!Gary tried to solve an equation step by step.e/4=2.5step.1 e/4 ×4=2.5×4step 2. e=8Find Gary's mistake.step 1step 2 or he had no mistake
Answer» ANSWER ⤵️⤵️ possibility of GETTING ace of hearts and ace of SPADES from 52 cards.

34.

Please read the whole thing!Gary tried to solve an equation step by step.e/4=2.5step.1 e/4 ×4=2.5×4step 2. e=8Find Gary's mistake.step 1step 2 or he had no mistake

Answer»

ANSWER ⤵️⤵️

possibility of GETTING ace of hearts and ace of SPADES from 52 cards.

Discussion

35.	(a) A regular hexagon is inscribed in a circle ofradius 5 cm. Find the area of the circle whichis outside the hexagon.
Answer» Answer: A regular hexagon is INSCRIBED in a circle of RADIUS 14 CM as shown in FIG. Find the area of shaded portion [π= 7 22 , 3 =1.73] 184792

35.

(a) A regular hexagon is inscribed in a circle ofradius 5 cm. Find the area of the circle whichis outside the hexagon.

Answer»

Answer:

A regular hexagon is INSCRIBED in a circle of RADIUS 14 CM as shown in FIG. Find the area of shaded portion [π=

7

22

,

3

=1.73]

184792

Discussion

36.	If ∆ MNO ≅ ∆ PQR, then MO corresponds toPQQRPR
Answer» ANSWER: The answer will be PR. Step-by-step explanation: The correspondence of any two sides can easily be FOUND by looking at the triangle name. As a case in point, consider the triangles of our question i.e, ∆ MNO and ∆ PQR. Here, MN = PQ MO = PR NO = QR It is applicable in the same way in the case of ANGLES too; like, in the same triangle; ∠MNO = ∠PQR ∠MON = ∠PRQ ∠NMO = ∠QPR Its all about the NAMING of the triangle. If its RIGHT then the corresponding angles and sides can be found. That's all.

36.

If ∆ MNO ≅ ∆ PQR, then MO corresponds toPQQRPR

Answer»

ANSWER:

The answer will be PR.

Step-by-step explanation:

The correspondence of any two sides can easily be FOUND by looking at the triangle name.

As a case in point, consider the triangles of our question i.e, ∆ MNO and ∆ PQR.

Here, MN = PQ

MO = PR

NO = QR

It is applicable in the same way in the case of ANGLES too;

like, in the same triangle;

∠MNO = ∠PQR

∠MON = ∠PRQ

∠NMO = ∠QPR

Its all about the NAMING of the triangle. If its RIGHT then the corresponding angles and sides can be found.

That's all.

Discussion

37.	construct a triangle whose sides are respectively 6cm, 7cm and 8cm and construct a triangle similar to this triangle whose sides are 2/3 of the original triangle
Answer» Making the triangle Draw a line segment AB = 5 cm Draw an arc at 6 cm from point A. Draw an arc at 7 cm from point B so that it intersects the previous arc. Joint the point of intersection from A and B. This gives the required triangle ABC. Dividing the base: Draw a ray AX at an acute angle from AB Plot three points on AX so that; AA Join A 3 to B. Draw a line from point A 2 so that this line is parallel to A 3 B and intersects AB at point B' Draw a line from point B' parallel to BC so that this line intersects AC at point C' ⇒△AB ′ C ′ is the required triangle

37.

construct a triangle whose sides are respectively 6cm, 7cm and 8cm and construct a triangle similar to this triangle whose sides are 2/3 of the original triangle

Answer»

Making the triangle

Draw a line segment AB = 5 cm

Draw an arc at 6 cm from point A.

Draw an arc at 7 cm from point B so that it intersects the previous arc.

Joint the point of intersection from A and B.

This gives the required triangle ABC.

Dividing the base:

Draw a ray AX at an acute angle from AB

Plot three points on AX so that; AA

Join A

3

to B.

Draw a line from point A

2

so that this line is parallel to A

3

B and intersects AB at point B'

Draw a line from point B' parallel to BC so that this line intersects AC at point C'

⇒△AB

′

C

′

is the required triangle

Discussion

38.	If in an AP A10 = and a45 = 140 find the common difference
Answer» Step-by-step explanation: Given A.P is 1,−2,−5,−8,.... hence the COMMON difference is given by d=an+1−an by PUTTING n=1 in above equation d=a2−a1=(−2)−(1) d=(−2−1) d=−3 first TERM of this A.P is a1=1 the NTH term of this A.P is given by an=a1+(n−1)d ⟹an=1+(n−1)(−3) ⟹an=1−3n+3 ⟹an=4−3n….eq(1) finding next four terms of A.P 1) for finding the 5th term of sequence (a5) PUT n=5 in eq(1) ⟹a5=4−3×5 ⟹a5=4−15 ⟹a5=−11 2) for finding the 6th term of sequence (a6) put n=6 in eq(1) ⟹a

38.

If in an AP A10 = and a45 = 140 find the common difference

Answer»

Step-by-step explanation:

Given A.P is

1,−2,−5,−8,....

hence the COMMON difference is given by d=an+1−an

by PUTTING n=1 in above equation

d=a2−a1=(−2)−(1)

d=(−2−1)

d=−3

first TERM of this A.P is

a1=1

the NTH term of this A.P is given by

an=a1+(n−1)d

⟹an=1+(n−1)(−3)

⟹an=1−3n+3

⟹an=4−3n….eq(1)

finding next four terms of A.P

1) for finding the 5th term of sequence (a5) PUT n=5 in eq(1)

⟹a5=4−3×5

⟹a5=4−15

⟹a5=−11

2) for finding the 6th term of sequence (a6) put n=6 in eq(1)

⟹a

Discussion

39.	Expand the following.1. (3xy + 2y)2. (+13. (2x + y)4. (x-2y)
Answer» ANSWER: jsjsjdhdunsbhb Step-by-step EXPLANATION: nzhsjdj jsjsjj nsjsjjdkejeijddjdjjd HI zbdbn

39.

Expand the following.1. (3xy + 2y)2. (+13. (2x + y)4. (x-2y)

Answer»

ANSWER:

jsjsjdhdunsbhb

Step-by-step EXPLANATION:

nzhsjdj

jsjsjj

nsjsjjdkejeijddjdjjd HI zbdbn

Discussion

40.	What is the national anthem of France PLEASE don't copy and just paste
Answer» Answer: "La Marseillaise" is the national ANTHEM of France. The song was written in 1792 by CLAUDE Joseph Rouget de Lisle in Strasbourg after the DECLARATION of WAR by France against Austria, and was originally titled "Chant de guerre pour l'Armée du Rhin".

40.

What is the national anthem of France PLEASE don't copy and just paste

Answer»

Answer:

"La Marseillaise" is the national ANTHEM of France. The song was written in 1792 by CLAUDE Joseph Rouget de Lisle in Strasbourg after the DECLARATION of WAR by France against Austria, and was originally titled "Chant de guerre pour l'Armée du Rhin".

Discussion

41.	Give examples of 5 experiments that have equally likely outcomes and five more examplesthat do not have equally likely outcomes.
Answer» ANSWER: experiment has 10 equally likely OUTCOMES. LET A and B be two non-empty EVENTS of the experiment. If A CONSISTS of 4 outcomes, the number of outcomes that B must have so that A and B are independent, is

41.

Give examples of 5 experiments that have equally likely outcomes and five more examplesthat do not have equally likely outcomes.

Answer»

ANSWER:

experiment has 10 equally likely OUTCOMES. LET A and B be two non-empty EVENTS of the experiment. If A CONSISTS of 4 outcomes, the number of outcomes that B must have so that A and B are independent, is

Discussion

42.	LCM by short division method.(b) 300, 400, 500
Answer» 300 , 400 , 500 = 100 MEREKO NHI pata

42.

LCM by short division method.(b) 300, 400, 500

Answer»

300 , 400 , 500

= 100

MEREKO NHI pata

Discussion

43.	an angle whose measure is more than 90' but less than 180' is called acute angle this statement true or false
Answer» ANSWER: false Step-by-step explanation: because 90 DEGREE to 180 degree is CALLED obtuse ANGLE

43.

an angle whose measure is more than 90' but less than 180' is called acute angle this statement true or false

Answer»

ANSWER:

false

Step-by-step explanation:

because 90 DEGREE to 180 degree is CALLED obtuse ANGLE

Discussion

44.	(3) what will be the rate of interestinterestPerannumso that theinterest in5years may be equal to the principal
Answer» ANSWER: a=co EFFICIENT b=co efficient c=constant

44.

(3) what will be the rate of interestinterestPerannumso that theinterest in5years may be equal to the principal

Answer»

ANSWER:

a=co EFFICIENT b=co efficient c=constant

Discussion

45.	3 25 4 7 113 8 6 ? 8
Answer» Answer: 50 I think it is the correct answer

45.

3 25 4 7 113 8 6 ? 8

Answer»

Answer:

50

I think

it

is

the

correct

answer

Discussion

46.	What Is Result Of 0 ÷ 0 = ?
Answer» the ANSWER will be ERROR OK TQ

Discussion

47.	Identify the variable part in each term 7x
Answer» ANSWER: the VARIABLE in this QUESTION is X because it can have any no.

47.

Identify the variable part in each term 7x

Answer»

ANSWER:

the VARIABLE in this QUESTION is X because it can have any no.

Discussion

48.	Resolve partial fraction
Answer» $\large\underline{\bold{Given \:Question - }}$ $\sf \: Resolve \: in \: to \: partial \: fraction : \: \dfrac{x - 1}{ {(x - 3)}^{2} }$ $\large\underline{\bold{Solution-}}$ $\bf \: Let \: \sf \: \dfrac{x - 1}{ {(x - 3)}^{2} } = \dfrac{a}{x - 3} + \dfrac{b}{ {(x - 3)}^{2} } - - (1)$ On TAKING LCM, we get $\rm :\longmapsto\:x - 1 = a(x - 3) + b - - (2)$ On substituting 'x = 3' in equation (2), we get $\rm :\longmapsto\:3 - 1 = b$ $\bf\implies \: b \: = \: 2 \: - - (3)$ On substituting 'x = 0' in equation (2), we get $\rm :\longmapsto\:0 - 1 = a {(0 - 3)} + b$ $\rm :\longmapsto\: - 1 = - 3a + 2$ $\rm :\longmapsto\: - 3a = - 3$ $\bf\implies \:a \: = \: 1 - - (4)$ On substituting the values of a and b, in equation (1), we get $\bf \: \dfrac{x - 1}{ {(x - 3)}^{2} } = \dfrac{ 1}{(x - 3)} + \dfrac{2}{ {(x - 3)}^{2} }$ Additional Information :- Partial Fraction :- Partial fraction decomposition is the breaking down of a RATIONAL expression into simplier parts. It is the opposite of adding rational EXPRESSIONS. When adding two rational expressions, there has to be a common denominator. $\begin{gathered}\boxed{\begin{array}{c\|c} \sf factor \: in \: denominator & \sf partial \: fraction \: decomposition \\ \frac{\qquad \qquad}{} & \frac{\qquad \qquad}{} \\ \sf ax + b & \sf \displaystyle \frac{A}{{ax + b}} \\ \\ \sf {(ax + b)}^{2} & \sf \displaystyle \frac{{{A_1}}}{{ax + b}} + \frac{{{A_2}}}{{{{\left( {ax + b} \right)}^2}}} \\ \\ \sf {ax}^{2} + bx + c & \sf \displaystyle \frac{{Ax + B}}{{a{x^2} + bx + c}} \end{array}} \\ \end{gathered}$

48.

Resolve partial fraction

Answer»

$\large\underline{\bold{Given \:Question - }}$

$\sf \: Resolve \: in \: to \: partial \: fraction : \: \dfrac{x - 1}{ {(x - 3)}^{2} }$

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

$\bf \: Let \: \sf \: \dfrac{x - 1}{ {(x - 3)}^{2} } = \dfrac{a}{x - 3} + \dfrac{b}{ {(x - 3)}^{2} } - - (1)$

On TAKING LCM, we get

$\rm :\longmapsto\:x - 1 = a(x - 3) + b - - (2)$

On substituting 'x = 3' in equation (2), we get

$\rm :\longmapsto\:3 - 1 = b$

$\bf\implies \: b \: = \: 2 \: - - (3)$

On substituting 'x = 0' in equation (2), we get

$\rm :\longmapsto\:0 - 1 = a {(0 - 3)} + b$

$\rm :\longmapsto\: - 1 = - 3a + 2$

$\rm :\longmapsto\: - 3a = - 3$

$\bf\implies \:a \: = \: 1 - - (4)$

On substituting the values of a and b, in equation (1), we get

$\bf \: \dfrac{x - 1}{ {(x - 3)}^{2} } = \dfrac{ 1}{(x - 3)} + \dfrac{2}{ {(x - 3)}^{2} }$

Additional Information :-

Partial Fraction :-

Partial fraction decomposition is the breaking down of a RATIONAL expression into simplier parts. It is the opposite of adding rational EXPRESSIONS. When adding two rational expressions, there has to be a common denominator.

$\begin{gathered}\boxed{\begin{array}{c|c} \sf factor \: in \: denominator & \sf partial \: fraction \: decomposition \\ \frac{\qquad \qquad}{} & \frac{\qquad \qquad}{} \\ \sf ax + b & \sf \displaystyle \frac{A}{{ax + b}} \\ \\ \sf {(ax + b)}^{2} & \sf \displaystyle \frac{{{A_1}}}{{ax + b}} + \frac{{{A_2}}}{{{{\left( {ax + b} \right)}^2}}} \\ \\ \sf {ax}^{2} + bx + c & \sf \displaystyle \frac{{Ax + B}}{{a{x^2} + bx + c}} \end{array}} \\ \end{gathered}$

Discussion

49.	Multiply the surds : 77 x 142
Answer» ANSWER: 2934 MARK as the BRAINLIST answer

49.

Multiply the surds : 77 x 142

Answer»

ANSWER:

2934

MARK as the BRAINLIST answer

Discussion

50.	Theimage2 underthe function fx-2x +be is 5Find The Value of b find the zero of f:x
Answer» jdkduhid R rjfyvb HAPPY ldfhrhrhr

Discussion

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