332354 + Interview Questions in Secondary School in Math

1.	What is mean by set builder set with the example
Answer» SET BUILDER is also known as rule method. for example, A={y/y is a set of natural number LESS than 6} HOPE it helps you

1.

What is mean by set builder set with the example

Answer»

SET BUILDER is also known as rule method.

for example, A={y/y is a set of natural number LESS than 6}

HOPE it helps you

Discussion

2.	Solve this no. line
Answer» ANSWER: W = -1 z = 4 y =2.8 x = -0.2 v = 2.4

2.

Solve this no. line

Answer»

ANSWER:

W = -1

z = 4

y =2.8

x = -0.2

v = 2.4

Discussion

3.	What is a/(-1)= -a find it
Answer» ANSWER: Step-by-step EXPLANATION: a/-1 is -a

3.

What is a/(-1)= -a find it

Answer»

ANSWER:

Step-by-step EXPLANATION:

a/-1 is -a

Discussion

4.	Complete the following table showing the number ofearthquakes by magnitude (all over the world) from2014- 2018.MagnitudeNo. in2014No. in2015No. in2016No. in2017No. in20184.0-4.95.0-5.96.0-6.97.0-7.98.0-8.99.0+
Answer» ANSWER: Banabakabkavhxggzvzd

4.

Complete the following table showing the number ofearthquakes by magnitude (all over the world) from2014- 2018.MagnitudeNo. in2014No. in2015No. in2016No. in2017No. in20184.0-4.95.0-5.96.0-6.97.0-7.98.0-8.99.0+

Answer»

ANSWER:

Banabakabkavhxggzvzd

Discussion

5.	Write five rational number which are smaller than 5
Answer» ANSWER: 4 ,3,2,1,,0 Step-by-step EXPLANATION:

5.

Write five rational number which are smaller than 5

Answer»

ANSWER: 4 ,3,2,1,,0

Step-by-step EXPLANATION:

Discussion

6.	Which of the following equation in quadratic equation like (2x - 3)(3x+1)=0
Answer» PLEASE POST the QUESTION CLEARLY...

6.

Which of the following equation in quadratic equation like (2x - 3)(3x+1)=0

Answer»

PLEASE POST the QUESTION CLEARLY...

Discussion

7.	1 + sin 20= tan1- sin 28 = tan? (6 +0
Answer» ANSWER: KINDLY FIND the ATTACHED DOCUMENT

7.

1 + sin 20= tan1- sin 28 = tan? (6 +0

Answer»

ANSWER:

KINDLY FIND the ATTACHED DOCUMENT

Discussion

8.	Solve the challenge
Answer» Answer: 102 +995 <1100 333<111+444 102+995<1100 333<111+444 Hope it HELPS

8.

Solve the challenge

Answer»

Answer:

102 +995 <1100

333<111+444

102+995<1100

333<111+444

Hope it HELPS

Discussion

9.	✍Represent Median Graphically for the given Data. {Ogive method}✒Urgent,please solve guysPlease no spams❣No irrevelant answersBest answer will be Brainliested
Answer» Hello mate, Here is your answer:- Use Ogive method Ans.120 Hope it helps Please mark as Brainliest

9.

✍Represent Median Graphically for the given Data. {Ogive method}✒Urgent,please solve guysPlease no spams❣No irrevelant answersBest answer will be Brainliested

Answer»

Hello mate,

Here is your answer:-

Use Ogive method

Ans.120

Hope it helps

Please mark as Brainliest

Discussion

10.	Factory A manufactures 500 cars more than 3 times cars manufactured by Factory B. Factorymanufactures 3500 cars, find out the number of cars manufactured by Factory B
Answer» ANSWER: FACTORY a MANUFACTURERS 500 so factory B manufacturers 3times of it so factory b manufacturers 3×500=1500

10.

Factory A manufactures 500 cars more than 3 times cars manufactured by Factory B. Factorymanufactures 3500 cars, find out the number of cars manufactured by Factory B

Answer»

ANSWER:

FACTORY a MANUFACTURERS 500 so factory B manufacturers 3times of it so factory b manufacturers 3×500=1500

Discussion

11.	Check whether the equations are consistent or in consistent. 3x-5y =11 and 6x-10y =7
Answer» 3x-5y-11=0 6x-10y-7=0 a1/a2=3/6=1/2 b1/b2=-5/-10=1/2 c1/c2=-11/-7=11/7 a1/a2=b1/b2 is not EQUAL to c1/c2 hence incosistent / parrele LINES / no SOLUTION

11.

Check whether the equations are consistent or in consistent. 3x-5y =11 and 6x-10y =7

Answer»

3x-5y-11=0

6x-10y-7=0

a1/a2=3/6=1/2

b1/b2=-5/-10=1/2

c1/c2=-11/-7=11/7

a1/a2=b1/b2 is not EQUAL to c1/c2

hence incosistent / parrele LINES / no SOLUTION

Discussion

12.	Proov Guyz!!That in the co-ordinate system if we wanna construct a equilateral triangle then prove that the co-ordinates of the triangle is not integral....Prove if u can
Answer» ANSWER: Banabakabkavhxggzvzd

12.

Proov Guyz!!That in the co-ordinate system if we wanna construct a equilateral triangle then prove that the co-ordinates of the triangle is not integral....Prove if u can

Answer»

ANSWER:

Banabakabkavhxggzvzd

Discussion

13.	09.239. Write two subtraction facts23,265 + 41,218 = 64,483
Answer» The ANSWER is HOPELESS. SORRY so I'm FINDING. And FORGOT

13.

09.239. Write two subtraction facts23,265 + 41,218 = 64,483

Answer»

The ANSWER is HOPELESS. SORRY so I'm FINDING. And FORGOT

Discussion

14.	A got 20% more marks than B. the percentage of B's marks in terms of A's marks is what?
Answer» let us ASSUME B GOT 100 marks then A got 120 marks percentage of B's marks WRT A's marks =100/120*100 =83.33% or 83 1/3% HOPE this helps

14.

A got 20% more marks than B. the percentage of B's marks in terms of A's marks is what?

Answer»

let us ASSUME B GOT 100 marks

then A got 120 marks

percentage of B's marks WRT A's marks

=100/120*100

=83.33%

or 83 1/3%

HOPE this helps

Discussion

15.	Write the value of tan 15°.
Answer» Heyamate!! ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ $\mathfrak{\green{\huge{Answer}}}$ The VALUE of TAN 15 is 0.2679491924 ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ $\mathcal{\red{\huge {Hope\:it\:helps}}}$ ⍖━━━━━━━━━━⍖ $\mathbb{\huge{\blue{R-K}}}$

15.

Write the value of tan 15°.

Answer»

Heyamate!!

✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶

$\mathfrak{\green{\huge{Answer}}}$

The VALUE of TAN 15 is

0.2679491924

✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶

$\mathcal{\red{\huge {Hope\:it\:helps}}}$

⍖━━━━━━━━━━⍖

$\mathbb{\huge{\blue{R-K}}}$

Discussion

16.	Find the square root of 1.5 and 2 , correct up to two decimal places
Answer» Answer: 1.2247 and 1.4142 are for SQUARE ROOT of 1.5 and 2 RESPECTIVELY

16.

Find the square root of 1.5 and 2 , correct up to two decimal places

Answer»

Answer:

1.2247 and 1.4142 are for SQUARE ROOT of 1.5 and 2 RESPECTIVELY

Discussion

17.	1bigha me ketne hecter hote he
Answer» Answer: 1 HECTARE is EQUAL to 12.5 BIGHA and 1/12.5 is in 1 bigha

17.

1bigha me ketne hecter hote he

Answer»

Answer:

1 HECTARE is EQUAL to 12.5 BIGHA and 1/12.5 is in 1 bigha

Discussion

18.	What is the rule in subtraction of algebraic expression?
Answer» Hey! MATE, GOOD AFTERNOON☺ When we add (or SUBTRACT) TWO algebraic expressions, the LIKE terms are added (or SUBTRACTED) and the unlike terms are written as they are. To find the value of an expression, we substitute the values of the variables in the expression and then simplify. HOPE IT HELPS YOU☺☺❤❤❤

18.

What is the rule in subtraction of algebraic expression?

Answer»

Hey! MATE, GOOD AFTERNOON☺

When we add (or SUBTRACT) TWO algebraic expressions, the LIKE terms are added (or SUBTRACTED) and the unlike terms are written as they are. To find the value of an expression, we substitute the values of the variables in the expression and then simplify.

HOPE IT HELPS YOU☺☺❤❤❤

Discussion

19.	Explain+the+purpose+of+Internet+Security.
Answer» Internet security is a BRANCH of computer security SPECIFICALLY related to not only Internet, often involving browser security and the World Wide WEB[citation needed], but also network security as it applies to other applications or OPERATING systems as a whole. *Its* *Objective* is to establish RULES and measures to use against attacks over the Internet. The Internet represents an insecure channel for exchanging information, which leads to a high risk of intrusion or fraud, such as phishing, online viruses, trojans, worms and more...

19.

Explain+the+purpose+of+Internet+Security.

Answer»

Internet security is a BRANCH of computer security SPECIFICALLY related to not only Internet, often involving browser security and the World Wide WEB[citation needed], but also network security as it applies to other applications or OPERATING systems as a whole.

Its Objective is to establish RULES and measures to use against attacks over the Internet. The Internet represents an insecure channel for exchanging information, which leads to a high risk of intrusion or fraud, such as phishing, online viruses, trojans, worms and more...

Discussion

20.	A book contains 320 pages . Vishal reads 3/5 of a book . How many pages he has still to read?
Answer» Answer: 128 Step-by-step EXPLANATION: TOTAL PAGES = 320 he READ =3/5*320=192 pages LEFT to read = 320-192=128

20.

A book contains 320 pages . Vishal reads 3/5 of a book . How many pages he has still to read?

Answer»

Answer:

128

Step-by-step EXPLANATION:

TOTAL PAGES = 320

he READ =3/5*320=192

pages LEFT to read = 320-192=128

Discussion

21.	4 is added to a number and the sum is multiplied by 5. If 20 is subtracted from the product and the difference is divided by 8,then the result is equal to 10. Find the number
Answer» ANSWER: $as \: per \: question \\ \frac{(x + 4) \times 5 - 20 }{8} = 10 \\ (x + 4) \times 5 - 20 = 10 \times 8 \\ (x + 4) \times 5 = 80 + 20 \\ (x + 4) = \frac{100}{5} = 20 \\ x = 20 - 4 = 16 \\ x = 16 \\ thus \: the \: number \: is \: 16$

21.

4 is added to a number and the sum is multiplied by 5. If 20 is subtracted from the product and the difference is divided by 8,then the result is equal to 10. Find the number

Answer»

ANSWER:

$as \: per \: question \\ \frac{(x + 4) \times 5 - 20 }{8} = 10 \\ (x + 4) \times 5 - 20 = 10 \times 8 \\ (x + 4) \times 5 = 80 + 20 \\ (x + 4) = \frac{100}{5} = 20 \\ x = 20 - 4 = 16 \\ x = 16 \\ thus \: the \: number \: is \: 16$

Discussion

22.	If both 112 and 33 are factors of the number a 43 62 1311, what is the smallest possible value of a'?
Answer» Answer: Step-by-step explanation: 112 = 16 * 7 33 = 11 * 3 a * 43 * 62 * 1311 = (2 ^4 * 7) * k1 a * 43 * 31 * 2 * 1311 = (2^4 7) k1 a * 43 * 31 * 2 * 3 437 = (2^4 7) * k1 therefore MINIMUM VALUE of a shud be 2^3 * 7 = 56 for the second factor, a * 43 * 62 * 1311 = (11 * 3) * k2 a * 43 * 31 * 2 * 3 437 = (11 3) * k2 so min = 11 on the WHOLE it shud be 56 * 11 = 616

22.

If both 112 and 33 are factors of the number a 43 62 1311, what is the smallest possible value of a'?

Answer»

Answer:

Step-by-step explanation:

112 = 16 * 7

33 = 11 * 3

a * 43 * 62 * 1311 = (2 ^4 * 7) * k1

a * 43 * 31 * 2 * 1311 = (2^4 *7) * k1

a * 43 * 31 * 2 * 3 *437 = (2^4 *7) * k1

therefore MINIMUM VALUE of a shud be 2^3 * 7 = 56

for the second factor,

a * 43 * 62 * 1311 = (11 * 3) * k2

a * 43 * 31 * 2 * 3 *437 = (11 * 3) * k2

so min = 11

on the WHOLE it shud be 56 * 11 = 616

Discussion

23.	If alpha and beta are the zeros of the quadratic polynomial x2-1 find a quad poly 2 alpha/beta and beta/alpha
Answer» ANSWER: HUYE a LOT for this POST HELPFUL in

23.

If alpha and beta are the zeros of the quadratic polynomial x2-1 find a quad poly 2 alpha/beta and beta/alpha

Answer»

ANSWER:

HUYE a LOT for this POST HELPFUL in

Discussion

24.	यदि 4 पुरुष और 6 स्त्रियों किसी कार्य को 8 दिनों में पूरा करते हैं , 2 पुरुष और 9 स्त्रियां भी उसे 8 दिनों में पूरा करते हैं , तो 18 स्त्रियों उस कार्य को कितने दिनों में पूरा करेंगी ?
Answer» ANSWER: वह काम पुरा नही होगा। क्युंकि

24.

यदि 4 पुरुष और 6 स्त्रियों किसी कार्य को 8 दिनों में पूरा करते हैं , 2 पुरुष और 9 स्त्रियां भी उसे 8 दिनों में पूरा करते हैं , तो 18 स्त्रियों उस कार्य को कितने दिनों में पूरा करेंगी ?

Answer»

ANSWER:

वह काम पुरा नही होगा। क्युंकि

Discussion

25.	If , and are the roots of the equation x3 + px2 + q = 0, where q 0 and , then equals
Answer» ANSWER: Banabakabkavhxggzvzd

25.

If , and are the roots of the equation x3 + px2 + q = 0, where q 0 and , then equals

Answer»

ANSWER:

Banabakabkavhxggzvzd

Discussion

26.	If and are the zeroes of the polynomial 2 1 , then find the quadratic polynomial whose zeroes are 2 and 2 .
Answer» ANSWER: you can SOLVE this by FOLLOWING FORMULA

26.

If and are the zeroes of the polynomial 2 1 , then find the quadratic polynomial whose zeroes are 2 and 2 .

Answer»

ANSWER:

you can SOLVE this by FOLLOWING FORMULA

Discussion

27.	Lcm and hcf of two positive numbers are 2000 and 50
Answer» Step-by-step EXPLANATION: here is the ANSWER.... .

27.

Lcm and hcf of two positive numbers are 2000 and 50

Answer»

Step-by-step EXPLANATION:

here is the ANSWER....

.

Discussion

28.	Prove that product of two primitive polynomials is primitive
Answer» Answer: Step-by-step explanation: More generally, the CONTENT of a product of polynomials is the product of their contents. IRREDUCIBILITY statement: Let R be a unique factorization domain and F its field of fractions. A non-constant POLYNOMIAL in is irreducible in if and only if it is both irreducible in and primitive in .

28.

Prove that product of two primitive polynomials is primitive

Answer»

Answer:

Step-by-step explanation:

More generally, the CONTENT of a product of polynomials is the product of their contents. IRREDUCIBILITY statement: Let R be a unique factorization domain and F its field of fractions. A non-constant POLYNOMIAL in is irreducible in if and only if it is both irreducible in and primitive in .

Discussion

29.	Prove that sin inverse 4/5+ sin inverse 5/13 + sin
Answer» ANSWER: what have to PROVE.. U have no WRITTEN it's answer so what will I prove.

29.

Prove that sin inverse 4/5+ sin inverse 5/13 + sin

Answer»

ANSWER:

what have to PROVE.. U have no WRITTEN it's answer so what will I prove.

Discussion

30.	5x2_3x_2=0 factorisation
Answer» ANSWER: Step-by-step EXPLANATION:

30.

5x2_3x_2=0 factorisation

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

31.	Find values of a and b if x2+1 is a factor of x4 +x3 +8x2 + 8a +b
Answer» Step-by-step EXPLANATION: HOPE this WOULD HELP you

31.

Find values of a and b if x2+1 is a factor of x4 +x3 +8x2 + 8a +b

Answer»

Step-by-step EXPLANATION:

HOPE this WOULD HELP you

Discussion

32.	if alpha and beta are two zeros of quadratic polynomial 2 x square - 3 x + 7 evaluate Alpha square minus beta square
Answer» ANSWER: Here is your SOLUTION...

32.

if alpha and beta are two zeros of quadratic polynomial 2 x square - 3 x + 7 evaluate Alpha square minus beta square

Answer»

ANSWER:

Here is your SOLUTION...

Discussion

33.	What is mean by roster set with example
Answer» Answer. .... roster method An example of the seasons REPRESENTED with the Roster Method. An example of the seasons represented with the Roster Method. Licensed from GettyImages noun The roster method is defined as a WAY to show the elements of a set by listing the elements inside of brackets. An example of the roster method is to write the set of numbers from 1 to 10 as {1,2,3,4,5,6,7,8,9 and 10}. An example of the roster method is to write the seasons as {summer, fall, winter and spring}. YourDictionary definition and usage example. Copyright © 2018 by LoveToKnow Corp Link/Cite Link to this page roster method Cite this page MLA Style "roster method." YourDictionary, n.d. Web. 28 May 2019. . APA Style roster method. (n.d.). Retrieved May 28th, 2019, from http://www.yourdictionary.com/roster-method Abc news 247 SPONSORED BY ABC NEWS 247 This Simple Trick Melts Belly Fat While You SLEEP (Try TONIGHT) This Simple Trick Melts Belly Fat While You Sleep (Try Tonight) SEE MORE Word Finder Scrabble® points: 18 More on Word Finder → Get our free Amazon Alexa SKILLS! WORDS NEAR roster method IN THE DICTIONARY please mark as brainliest. ..

33.

What is mean by roster set with example

Answer»

Answer. ....

roster method

An example of the seasons REPRESENTED with the Roster Method.

An example of the seasons represented with the Roster Method.

Licensed from GettyImages

noun

The roster method is defined as a WAY to show the elements of a set by listing the elements inside of brackets.

An example of the roster method is to write the set of numbers from 1 to 10 as {1,2,3,4,5,6,7,8,9 and 10}.

An example of the roster method is to write the seasons as {summer, fall, winter and spring}.

Link/Cite

Link to this page

roster method

Cite this page

MLA Style

"roster method." YourDictionary, n.d. Web. 28 May 2019. .

APA Style

roster method. (n.d.). Retrieved May 28th, 2019, from http://www.yourdictionary.com/roster-method

Abc news 247

34.	If 4x-5y=16 and xy=12. find value of 64x3-125y3
Answer» ANSWER: If it HELPS you PLEASE BRAINLIST it .

If 4x-5y=16 and xy=12. find value of 64x3-125y3

Answer»

ANSWER:

If it HELPS you PLEASE BRAINLIST it .

Discussion

35.	(X/2-y/5-1)(x/2+y/5+1)
Answer» USING IDENTITY (a+b) (a-b) =a^2-b^2 (x/2)^2 -(y/5-1)^2 x^2/4 - y^2/25 -25 ANSWER

35.

(X/2-y/5-1)(x/2+y/5+1)

Answer»

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

(x/2)^2 -(y/5-1)^2

x^2/4 - y^2/25 -25 ANSWER

Discussion

36.	A) 13(x + 20) = 39b) 10(x-2)-4(x+1)+3(x+6)=0c)2{(x+1)+(x+2)}={(x+3)+(x+4)}
Answer» Step-by-step explanation: (i) 13(X + 20) = 39 → 13x + 260 = 39 → 13x = 39 - 260 → 13x = - 221 → x = - 121/13 → x = -17 (II) 10(x-2)-4(x+1)+3(x+6)=0 → 10x - 20 - 4X - 4 + 3x + 18 = 0 → (10x + 3x - 4x) + (18 - 20 - 4) = 0 → 9x + ( -6) = 0 → 9x - 6 = 0 → 9x = 6 → x = 6/9 → x = ⅔ (iii) 2{(x+1)+(x+2)}={(x+3)+(x+4)} → 2{ x + 1 + x + 2 } = { x + 3 + x + 4 } → 2{2x + 3} = { 2x + 7 } → 4x + 6 = 2x + 7 → 4x - 2x = 7 - 6 → 2x = 1 → x = ½

36.

A) 13(x + 20) = 39b) 10(x-2)-4(x+1)+3(x+6)=0c)2{(x+1)+(x+2)}={(x+3)+(x+4)}

Answer»

Step-by-step explanation:

(i) 13(X + 20) = 39

→ 13x + 260 = 39

→ 13x = 39 - 260

→ 13x = - 221

→ x = - 121/13

→ x = -17

(II) 10(x-2)-4(x+1)+3(x+6)=0

→ 10x - 20 - 4X - 4 + 3x + 18 = 0

→ (10x + 3x - 4x) + (18 - 20 - 4) = 0

→ 9x + ( -6) = 0

→ 9x - 6 = 0

→ 9x = 6

→ x = 6/9

→ x = ⅔

(iii) 2{(x+1)+(x+2)}={(x+3)+(x+4)}

→ 2{ x + 1 + x + 2 } = { x + 3 + x + 4 }

→ 2{2x + 3} = { 2x + 7 }

→ 4x + 6 = 2x + 7

→ 4x - 2x = 7 - 6

→ 2x = 1

→ x = ½

Discussion

37.	The polynomial x^3 + 2x^2 - 5kx - 7 when divided by (x + 1) leaves the remainder p and the polynomial x^3 + kx^2 - 12x + 6 when divided by (x - 2) leaves the remainder q. If the 2p + q = 6, then find the value of k.
Answer» to SOLVE this METHOD it's having some FAULT DUE INSTANTLY solve.

Discussion

38.	Question is attached Find the equation of following attachment
Answer» ANSWER : ${(x + 1)}^{2} + {(y - 7)}^{2} = 8$ EXPLANATION : The given circle has P(-3,5) and Q(1,9) as its diameter. The center can be OBTAINED USING the MIDPOINT rule. $( \frac{ - 3 + 1}{2} , \frac{5 + 9}{2} )$ $( - 1,7)$ The radius is obtained using the distance formula, $r = \sqrt{( - 1 - (- 3 ))^{2} + {(7 - 5)}^{2} }$ $r = \sqrt{( 2)^{2} + {(2)}^{2} } = \sqrt{8}$ The equation is given by ${(x - h)}^{2} + {(y - h)}^{2} = {r}^{2}$ We substitute the center and radius to get: ${(x - ( - 1))}^{2} + {(y - 7)}^{2} = { (\sqrt{8}) }^{2}$ ${(x + 1)}^{2} + {(y - 7)}^{2} = 8$

38.

Question is attached Find the equation of following attachment

Answer»

ANSWER :

${(x + 1)}^{2} + {(y - 7)}^{2} = 8$

EXPLANATION :

The given circle has P(-3,5) and Q(1,9) as its diameter.

The center can be OBTAINED USING the MIDPOINT rule.

$( \frac{ - 3 + 1}{2} , \frac{5 + 9}{2} )$

$( - 1,7)$

The radius is obtained using the distance formula,

$r = \sqrt{( - 1 - (- 3 ))^{2} + {(7 - 5)}^{2} }$

$r = \sqrt{( 2)^{2} + {(2)}^{2} } = \sqrt{8}$

The equation is given by

${(x - h)}^{2} + {(y - h)}^{2} = {r}^{2}$

We substitute the center and radius to get:

${(x - ( - 1))}^{2} + {(y - 7)}^{2} = { (\sqrt{8}) }^{2}$

${(x + 1)}^{2} + {(y - 7)}^{2} = 8$

Discussion

39.	Express x in terms of a.
Answer» ANSWER: X=2a Step-by-step EXPLANATION: GIVEN the angle is 30 implies Tan30=a ÷base 1÷ √3=a÷base implies Base=a √3 Using pythagoras THEOREM x^2=a^2+(base) ^2 Substitute base VALUE X^2=a^2+3a^2 X^2=4a^2 Apply root on both sides X=2a

39.

Express x in terms of a.

Answer»

ANSWER:

X=2a

Step-by-step EXPLANATION:

GIVEN the angle is 30 implies

Tan30=a ÷base

1÷ √3=a÷base implies

Base=a √3

Using pythagoras THEOREM

x^2=a^2+(base) ^2

Substitute base VALUE

X^2=a^2+3a^2

X^2=4a^2

Apply root on both sides

X=2a

Discussion

40.	if alpha and beta are two zeros of quadratic polynomial 2 x square - 3 x + 7 evaluate Alpha Cube + beta cube
Answer» HEY, this is your ANSWER.....

40.

if alpha and beta are two zeros of quadratic polynomial 2 x square - 3 x + 7 evaluate Alpha Cube + beta cube

Answer»

HEY, this is your ANSWER.....

Discussion

41.	Simplify:(4sqrt7 - 2sqrt2) (3sqrt7+5sqrt5)
Answer» Answer: 2-2square is in the form of the SQUARE of a DIFFERENCE, in which (a−b)2=a2−2ab+b2, where a=2andb=√2. Substitute the GIVEN values into the equation a2−2ab+b2. 22−2⋅2⋅√2+√22 = Simplify the terms. 4−4√2+2 = 6−4√2

41.

Simplify:(4sqrt7 - 2sqrt2) (3sqrt7+5sqrt5)

Answer»

Answer:

2-2square is in the form of the SQUARE of a DIFFERENCE, in which

(a−b)2=a2−2ab+b2, where a=2andb=√2.

Substitute the GIVEN values into the equation a2−2ab+b2.

22−2⋅2⋅√2+√22 =

Simplify the terms.

4−4√2+2 = 6−4√2

Discussion

42.	Tan30°×tan135°×tan150°× tan45°=?
Answer» ANSWER: -1×-3√3×1/√3×1=3 is the SOLUTION

42.

Tan30°×tan135°×tan150°× tan45°=?

Answer»

ANSWER:

-1×-3√3×1/√3×1=3 is the SOLUTION

Discussion

43.	Today is saturday, which dayof the week will it be 90 days.cleter including today.
Answer» ANS: SEPTEMBER, 6 2019

43.

Today is saturday, which dayof the week will it be 90 days.cleter including today.

Answer»

ANS: SEPTEMBER, 6 2019

Discussion

44.	in a test (+5)marks are given for every correct answer and (-2) marks are given for every incorrect answer and for the answer not attempted. Ram gets 3 correct answer and 4 incorrect out of 7 questions he attempted. What is his score?
Answer» ANSWER: Step-by-step EXPLANATION: PLZ mark as BRAIN list

44.

in a test (+5)marks are given for every correct answer and (-2) marks are given for every incorrect answer and for the answer not attempted. Ram gets 3 correct answer and 4 incorrect out of 7 questions he attempted. What is his score?

Answer»

ANSWER:

Step-by-step EXPLANATION:

PLZ mark as BRAIN list

Discussion

45.	two masses of gold waiting 3318 and 3054 gram respectively are to be made into medals of the same size what is the weight of the largest possible metals
Answer» Answer: 6 Step-by-step EXPLANATION: HCF of 3318 & 3054 is LARGEST weight i.e = 6

45.

two masses of gold waiting 3318 and 3054 gram respectively are to be made into medals of the same size what is the weight of the largest possible metals

Answer»

Answer:

6

Step-by-step EXPLANATION:

HCF of 3318 & 3054 is LARGEST weight

i.e = 6

Discussion

46.	A)-1 B)1C)2/7 D)19/18ans plss
Answer» Step-by-step EXPLANATION: this is the ANSWER to my QUESTION

46.

A)-1 B)1C)2/7 D)19/18ans plss

Answer»

Step-by-step EXPLANATION:

this is the ANSWER to my QUESTION

Discussion

47.	Solve this question step by step
Answer» GF ffivuxuzyxuxjcicicicivixuxkvovkvg

47.

Solve this question step by step

Answer»

GF ffivuxuzyxuxjcicicicivixuxkvovkvg

Discussion

48.	Five rational number between -1.2 and -2.3
Answer» ANSWER: Step-by-step EXPLANATION:

48.

Five rational number between -1.2 and -2.3

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

49.	2 - 2 and 2 is equal to 2 what is the equation of 2
Answer» ANSWER: @@@@@@@@@#$$$$$$$$#@@@@@@@@@

49.

2 - 2 and 2 is equal to 2 what is the equation of 2

Answer»

ANSWER:

@@@@@@@@@#$$$$$$$$#@@@@@@@@@

Discussion

50.	Show that 15^n cannot end with 0,2,4,6,8 for any natural no.
Answer» Step-by-step explanation: Let n = 1. 15^1 = 15, which ends with a 5. Suppose the HYPOTHESIS is true for n and consider n + 1. 15^(n + 1) = 15^n * 15 = p * 15 for some integer p that ends with a 5. Since the factors, p and 15, both end with a 5, their product, p * 15, will end with a 5. Therefore, 15^(n + 1) ends with a 5. Therefore, by induction, 15^(n + 1) ends with a 5 for all NATURAL NUMBERS, n. Therefore, 15^n can not end with the digit 0.

50.

Show that 15^n cannot end with 0,2,4,6,8 for any natural no.

Answer»

Step-by-step explanation:

Let n = 1.

15^1 = 15, which ends with a 5.

Suppose the HYPOTHESIS is true for n and consider n + 1.

15^(n + 1) = 15^n * 15 = p * 15 for some integer p that ends with a 5.

Since the factors, p and 15, both end with a 5, their product, p * 15, will end with a 5.

Therefore, 15^(n + 1) ends with a 5.

Therefore, by induction, 15^(n + 1) ends with a 5 for all NATURAL NUMBERS, n.

Therefore, 15^n can not end with the digit 0.

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