332354 + Interview Questions in Secondary School in Math

1.	Differnce between.Congruence .And similar triangle
Answer» Step-by-step EXPLANATION: congurence means EQUAL and similar are not equal and they LOOKING same

1.

Differnce between.Congruence .And similar triangle

Answer»

Step-by-step EXPLANATION:

congurence means EQUAL and similar are not equal and they LOOKING same

Discussion

2.	How many numbers between 100 and 600 are divisible by 2 3 and 7
Answer» Answer: 12 Step-by-step explanation: *First we should find out the lcm of the 3 numbers* **First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42 First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42And we should find out the numbers divisible by 42 between 100 and 600** First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 422=84 which is below 100 and understood that 423 will be more than 100 and it is 126. First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 422=84 which is below 100 and understood that 423 will be more than 100 and it is 126.so the first number to be divisible is 126.we can CONSIDER it as 'a'.OK First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 422=84 which is below 100 and understood that 423 will be more than 100 and it is 126.so the first number to be divisible is 126.we can consider it as 'a'.OKThen we should find out the last number to be divisible.For that we should divide 600 by 42. So the result will be 14.285...... First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=237=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 422=84 which is below 100 and understood that 423 will be more than 100 and it is 126.so the first number to be divisible is 126.we can consider it as 'a'.OKThen we should find out the last number to be divisible.For that we should divide 600 by 42. So the result will be 14.285......We should consider only the '14'.The last number will be 4214=588 and we can CALL it 'a@n' 'We should find out more which is the total number divisible by 42.* *'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.* *'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d* *'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42* *'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462* 'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11 'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11 n=11+1=12 'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11 n=11+1=12And the answer to the QUESTION is FOUND! There are 12 numbers between 100 and 600 which are divisible by 2,3 and 7.

2.

How many numbers between 100 and 600 are divisible by 2 3 and 7

Answer»

Answer:

12

Step-by-step explanation:

First we should find out the lcm of the 3 numbers

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42And we should find out the numbers divisible by 42 between 100 and 600

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 42*2=84 which is below 100 and understood that 42*3 will be more than 100 and it is 126.

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 42*2=84 which is below 100 and understood that 42*3 will be more than 100 and it is 126.so the first number to be divisible is 126.we can CONSIDER it as 'a'.OK

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 42*2=84 which is below 100 and understood that 42*3 will be more than 100 and it is 126.so the first number to be divisible is 126.we can consider it as 'a'.OKThen we should find out the last number to be divisible.For that we should divide 600 by 42. So the result will be 14.285......

First we should find out the lcm of the 3 numbersTherefore,2=2 3=3 7=7 and lcm=2*3*7=42And we should find out the numbers divisible by 42 between 100 and 600Ok we can start, we know that 42*2=84 which is below 100 and understood that 42*3 will be more than 100 and it is 126.so the first number to be divisible is 126.we can consider it as 'a'.OKThen we should find out the last number to be divisible.For that we should divide 600 by 42. So the result will be 14.285......We should consider only the '14'.The last number will be 42*14=588 and we can CALL it 'a@n'

'We should find out more which is the total number divisible by 42.

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11 n=11+1=12

'We should find out more which is the total number divisible by 42.So,we know that d=42 as it is the divisor.For equations,[email protected]=a+(n-1)d 588=126+(n-1)42 (n-1)42=588-126=462 n-1=462/42=11 n=11+1=12And the answer to the QUESTION is FOUND! There are 12 numbers between 100 and 600 which are divisible by 2,3 and 7.

Discussion

3.	X+3**3_2855_3355-25
Answer» ANSWER: answer is **3+2855+3355-25

3.

X+3**3_2855_3355-25

Answer»

ANSWER:

answer is **3+2855+3355-25

Discussion

4.	Tansquare30°+1/2sinsquare45°+1/3cossqiare30°+1/tansquare60°=1 1/6
Answer» ANSWER: tan²30=[1/√3]²,sin²45=[1/√2]²,cos²30=[√3/2]²tan²60=[√3]² ∴[1/√3]²=1/3,[1/√2]²=1/2,[√3/2]²=3/4,[√3]²=3 ⇒1/3+1/2[1/2]+1/3[3/4]+11/6+[3] [after multiplication] =[1/3+1/4]+[3/12+33/18] [cross multiplication] =[3+4/4×3]+[54+396/12×18] =[7/12]+[423/216] [cross multiplication] =1512+5076/2592 =6588/2592 =723.5/323.5. pls GIVE a THANKS if U liked the answer. u can do further division

4.

Tansquare30°+1/2sinsquare45°+1/3cossqiare30°+1/tansquare60°=1 1/6

Answer»

ANSWER:

tan²30=[1/√3]²,sin²45=[1/√2]²,cos²30=[√3/2]²tan²60=[√3]²

∴[1/√3]²=1/3,[1/√2]²=1/2,[√3/2]²=3/4,[√3]²=3

⇒1/3+1/2[1/2]+1/3[3/4]+11/6+[3] [after multiplication]

=[1/3+1/4]+[3/12+33/18] [cross multiplication]

=[3+4/4×3]+[54+396/12×18]

=[7/12]+[423/216] [cross multiplication]

=1512+5076/2592

=6588/2592

=723.5/323.5.

pls GIVE a THANKS if U liked the answer. u can do further division

Discussion

5.	How much less than -2 is -7
Answer» ANSWER: -5 Step-by-step EXPLANATION: if we add -5 to -2 then we will GET the answer as -7

5.

How much less than -2 is -7

Answer»

ANSWER:

-5

Step-by-step EXPLANATION:

if we add -5 to -2 then we will GET the answer as -7

Discussion

6.	What must be subtracted from 3a- 6ab-3b -1 to get 4a - 7ab -4b + 1 ???Plzzzzz tell
Answer» LET we are subtacting X (3a - 6ab - 3b - 1 ) - x = 4a - 7AB - 4b + 1 x = (3a - 6ab - 3b - 1) - (4a - 7ab - 4b + 1) x = 3a - 4a -6ab + 7ab - 3b + 4b - 1 - 1 x = -a + AB + b - 2 hope it helped you

6.

What must be subtracted from 3a- 6ab-3b -1 to get 4a - 7ab -4b + 1 ???Plzzzzz tell

Answer»

LET we are subtacting X

(3a - 6ab - 3b - 1 ) - x = 4a - 7AB - 4b + 1

x = (3a - 6ab - 3b - 1) - (4a - 7ab - 4b + 1)

x = 3a - 4a -6ab + 7ab - 3b + 4b - 1 - 1

x = -a + AB + b - 2

hope it helped you

Discussion

7.	An equilateral triangle is inscribed in a circle of radius 7cm. Find the area of the triangle.
Answer» 63.6cm2 is the ANSWER to this

Discussion

8.	Sin^4Q-cos=1-2cos^2Q
Answer» sin^2+cos^2=1———————-(1) cos^2=1-sin^2———————-(2) lhs=sin^2+cos^4 =sin^2+cos^2(cos^2) =sin^2+cos^2(1-sin^2)———————from(2) =sin^2+cos ^2-(cos^2)(sin^2) =1-(1-sin^2)sin^2—————————from(2) =1-sin^2+sin^4 =cos^2+sin^4——————————-from(2) =rhs hence proved. Hope HELPS

8.

Sin^4Q-cos=1-2cos^2Q

Answer»

sin^2+cos^2=1———————-(1)

cos^2=1-sin^2———————-(2)

lhs=sin^2+cos^4

=sin^2+cos^2(cos^2)

=sin^2+cos^2(1-sin^2)———————from(2)

=sin^2+cos ^2-(cos^2)(sin^2)

=1-(1-sin^2)sin^2—————————from(2)

=1-sin^2+sin^4

=cos^2+sin^4——————————-from(2)

=rhs

hence proved.

Hope HELPS

Discussion

9.	5, एक आयताकार बाग, जिसकी लंबाई, चैड़ाई से 4 . अधिक है, का अर्धपरिमाप 36 का है। बाग\| की विमाएँ ज्ञात कीजिए।
Answer» ANSWER: माना लम्बाई=x, चौड़ाई=y प्रश्नानुसार, x+y=36 x-y=4 दोनों को जोड़ने पर (x+y)+(x-y)=36+4 2x=40 x=40/2 x=20 इसीलिए y=16

9.

5, एक आयताकार बाग, जिसकी लंबाई, चैड़ाई से 4 . अधिक है, का अर्धपरिमाप 36 का है। बाग| की विमाएँ ज्ञात कीजिए।

Answer»

ANSWER:

माना लम्बाई=x, चौड़ाई=y

प्रश्नानुसार, x+y=36

x-y=4

दोनों को जोड़ने पर

(x+y)+(x-y)=36+4

2x=40

x=40/2

x=20

इसीलिए y=16

Discussion

10.	यदि आप की मुलाकात वर्तमान प्रधानमंत्री से होती है तोआप उनसे पूछने के लिर पाँच सयस प्रश्न तैयार कीजिए
Answer» Step-by-step explanation: 1. aapko kaisa lg rha h DOBARA PM bnke. 2. aap aage kta kroge logo k liye or kya NHI scheme chalaoge. 3. Pakistan se dosti kroge Kya. 4. aap apne dushmno ke bare m kya sochte h. 5. kya aap is ke baad dobara pm bnnna CHAHENGE.

10.

यदि आप की मुलाकात वर्तमान प्रधानमंत्री से होती है तोआप उनसे पूछने के लिर पाँच सयस प्रश्न तैयार कीजिए

Answer»

Step-by-step explanation:

1. aapko kaisa lg rha h DOBARA PM bnke.

2. aap aage kta kroge logo k liye or kya NHI scheme chalaoge.

3. Pakistan se dosti kroge Kya.

4. aap apne dushmno ke bare m kya sochte h.

5. kya aap is ke baad dobara pm bnnna CHAHENGE.

Discussion

11.	Sqaure root of 112897 working also please
Answer» Answer: 336 ( APPROX) Step-by-step EXPLANATION: HOPE it's HELP you

11.

Sqaure root of 112897 working also please

Answer»

Answer:

336 ( APPROX)

Step-by-step EXPLANATION:

HOPE it's HELP you

Discussion

12.	How find it answer this question
Answer» HOPE it will HELP you....

Discussion

13.	My teacher has asked me that what becomes a=1+0 so what will be the answer
Answer» ANSWER: answer is 1...….....…............. ........

13.

My teacher has asked me that what becomes a=1+0 so what will be the answer

Answer»

ANSWER:

answer is 1...….....….............

........

Discussion

14.	Show that he square of the odd integers on the form of4q+1 for same integer q
Answer» Answer: a=bq+r (4Q+1)²=4q²+2(4q)(1)+1² =16q²+8q+1 =4(4q²+2q) +1 We have SHOWN that 4q+1 is a positive ODD INTEGER on the same integer Q

14.

Show that he square of the odd integers on the form of4q+1 for same integer q

Answer»

Answer:

a=bq+r

(4Q+1)²=4q²+2(4q)(1)+1²

=16q²+8q+1

=4(4q²+2q) +1

We have SHOWN that 4q+1 is a positive ODD INTEGER on the same integer Q

Discussion

15.	from a cord of 16 m length two pieces of lengths 3 1/3m and 2 2/5m are cut off find the length of the remaining cord
Answer» TOTAL length of the cord = 16 m length of first piece CUT down = 31/3m length of SECOND piece cut down = 22/5m total length cut down from the cord = length of first piece + second = (31/3)+(22/5)m = (155 + 66)/15 = 221/15 remaining length of cord = total length of cord - cut off length = 16 or (16/1) - (221/15)m = (240 - 221)/15 m = 19/15 m or, 1.26667 m

15.

from a cord of 16 m length two pieces of lengths 3 1/3m and 2 2/5m are cut off find the length of the remaining cord

Answer»

TOTAL length of the cord = 16 m

length of first piece CUT down = 31/3m

length of SECOND piece cut down = 22/5m

total length cut down from the cord = length of first piece + second

= (31/3)+(22/5)m

= (155 + 66)/15

= 221/15

remaining length of cord =

total length of cord - cut off length

= 16 or (16/1) - (221/15)m

= (240 - 221)/15 m

= 19/15 m

or,

1.26667 m

Discussion

16.	(7+2√10/3)+(7-2√10/3)
Answer» Step-by-step explanation: 49-40/9 441-40/9 401/9 44.5

16.

(7+2√10/3)+(7-2√10/3)

Answer»

Step-by-step explanation:

49-40/9

441-40/9

401/9

44.5

Discussion

17.	1) 470 का 25% + 281 = 4/5 का ?%(1) 48282.5(2) 49003.5(3) 49812.5(4) 48020.5(5) इनमें से कोई नहीं Solve it fast please very urgent only right answer.
Answer» Answer: 3) 49812.5 Step-by-step explanation: 470×25%+281=4/5×49812.5% 117.5+281=398.5 398.5=398.5

17.

1) 470 का 25% + 281 = 4/5 का ?%(1) 48282.5(2) 49003.5(3) 49812.5(4) 48020.5(5) इनमें से कोई नहीं Solve it fast please very urgent only right answer.

Answer»

Answer:

3) 49812.5

Step-by-step explanation:

470×25%+281=4/5×49812.5%

117.5+281=398.5

398.5=398.5

Discussion

18.	Name any 5 Bird not fly in the sky
Answer» Step-by-step EXPLANATION: KAKAPO. ... KIWI. ... Ostrich. ... Penguin. ... STEAMER Duck. ... Takahe. ... WEKA.

18.

Name any 5 Bird not fly in the sky

Answer»

Step-by-step EXPLANATION:

KAKAPO. ...

KIWI. ...

Ostrich. ...

Penguin. ...

STEAMER Duck. ...

Takahe. ...

WEKA.

Discussion

19.	X+1/x=5 then find value of x.
Answer» ANSWER: $x + \frac{1}{x} = 5 \\ {x}^{2} - 5x + 1 = 0 \\ x = \frac{ - b + - \sqrt{ {b}^{2} - 4c} }{2a}$ you can US ethat formula

19.

X+1/x=5 then find value of x.

Answer»

ANSWER:

$x + \frac{1}{x} = 5 \\ {x}^{2} - 5x + 1 = 0 \\ x = \frac{ - b + - \sqrt{ {b}^{2} - 4c} }{2a}$

you can US ethat formula

Discussion

20.	Solve all q pllllse gave
Answer» Answer: 4. the no. would be non terminating and non recurring. so √2 is irrational no. 5.-13/6, -14/6, -15/6, -16/6, -17/6 6. true Step-by-step explanation: 4. given the definition above 5.-2 and -3 we have to find FIVE rational numbers so add 1 + 5 which is equals to 6 then MAKE it as -2/66 and -3/66.( make sure not to simplify it) =-12/6 and -18/6 note down the 5 rational nos. between them. 6. EX- natural numbers equal to 123456... whole numbers equal to all the POSITIVE numbers including zero so natural numbers are also INCLUDED in the whole numbers.

20.

Solve all q pllllse gave

Answer»

Answer:

4. the no. would be non terminating and non recurring. so √2 is irrational no.

5.-13/6, -14/6, -15/6, -16/6, -17/6

6. true

Step-by-step explanation:

4. given the definition above

5.-2 and -3

we have to find FIVE rational numbers so add 1 + 5 which is equals to 6 then MAKE it as -2/6*6 and -3/6*6.( make sure not to simplify it)

=-12/6 and -18/6

note down the 5 rational nos. between them.

6. EX- natural numbers equal to 123456...

whole numbers equal to all the POSITIVE numbers including zero so natural numbers are also INCLUDED in the whole numbers.

Discussion

21.	Q2) In a magic square the sum of the numbers in each row, in each column andalong the diagonals is the same. Is it a magic square and why?14/11 9/11 2/113/11 5/11 7/118/11 1/11 6/11
Answer» It is not a MAGIC square as per your DEFINITION as the sum of the numbers in each row, in each COLUMN and along the DIAGONALS is not the same. Hope it helps!!! :)

21.

Q2) In a magic square the sum of the numbers in each row, in each column andalong the diagonals is the same. Is it a magic square and why?14/11 9/11 2/113/11 5/11 7/118/11 1/11 6/11

Answer»

It is not a MAGIC square as per your DEFINITION as the sum of the numbers in each row, in each COLUMN and

along the DIAGONALS is not the same.

Hope it helps!!! :)

Discussion

22.	The exterior angle of a triangle is 50 degree & interior oppositeangle are in the ratio 2:3, find the three angles of thetriangle?
Answer» Answer: As we KNOW the a theorem that the exterior angle is the sum up of two interior OPPOSITE ANGLES so in here this condition 2:3 let this ratio be as 2x and 3x where x is any constant that we gotta find here then Acc. to theorem 2x + 3x = 50 x=10 then angles will be 2 * 10= 20 3 * 10= 30 and third angle by angle sum PROPERTY of triangle that sum of all angles is 180 degrees then third angle is 180 -(20+ 30) = 130 degrees so angles are 20, 30 and 130 in degree HOPE IT HELPS

22.

The exterior angle of a triangle is 50 degree & interior oppositeangle are in the ratio 2:3, find the three angles of thetriangle?

Answer»

Answer:

As we KNOW the a theorem that the exterior angle is the sum up of two interior OPPOSITE ANGLES so in here this condition 2:3

let this ratio be as 2x and 3x where x is any constant that we gotta find here

then Acc. to theorem 2x + 3x = 50

x=10

then angles will be

2 * 10= 20

3 * 10= 30 and third angle by angle sum PROPERTY of triangle that sum of all angles is 180 degrees

then third angle is 180 -(20+ 30) = 130 degrees

so angles are 20, 30 and 130 in degree

HOPE IT HELPS

Discussion

23.	Solve 2x-3=0 plz answer
Answer» ANSWER: x=3/2 Step-by-step explanation: 2x-3=0 2x=+3 x=+3/2

23.

Solve 2x-3=0 plz answer

Answer»

ANSWER:

x=3/2

Step-by-step explanation:

2x-3=0

2x=+3

x=+3/2

Discussion

24.	. Increase the number 215 in the ratio 5 : 7.
Answer» Answer: Answer:215+92=307 Answer:215+92=307Step-by-step EXPLANATION: Answer:215+92=307Step-by-step explanation:in this QUESTION,the RATIO is 5:7 Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5 Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43 Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which ACCEPTS the ratio,we should multiply 7 to 43 Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which accepts the ratio,we should multiply 7 to 43then we will get 307,which is the right answer Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which accepts the ratio,we should multiply 7 to 43then we will get 307,which is the right answerthe number of increasement=92

24.

. Increase the number 215 in the ratio 5 : 7.

Answer»

Answer:

Answer:215+92=307

Answer:215+92=307Step-by-step EXPLANATION:

Answer:215+92=307Step-by-step explanation:in this QUESTION,the RATIO is 5:7

Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5

Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43

Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which ACCEPTS the ratio,we should multiply 7 to 43

Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which accepts the ratio,we should multiply 7 to 43then we will get 307,which is the right answer

Answer:215+92=307Step-by-step explanation:in this question,the ratio is 5:7so to get the answer we should first divide 215 by 5then we will get 43to get the number which accepts the ratio,we should multiply 7 to 43then we will get 307,which is the right answerthe number of increasement=92

Discussion

25.	If a:b = 3:7 and b:c =4:9 find a:b:cplz help
Answer» A:B= 3:7 a:b= 12:28 b:C= 4:9 b:c= 28:63 a:b:c = 12:28:63

Discussion

26.	28. Solve it using Appropriate property(a) 526x (-42) x (58) X (-526)(b) 1005 x 95
Answer» ANSWER: ANS. a= 673982736 b= 95475 Step-by-step explanation: 526(-42)58(-526)============ 673982736 100595======{========}===== 95475

26.

28. Solve it using Appropriate property(a) 526x (-42) x (58) X (-526)(b) 1005 x 95

Answer»

ANSWER:

ANS. a= 673982736

b= 95475

Step-by-step explanation:

526*(-42)*58*(-526)============

673982736

1005*95======{========}=====

95475

Discussion

27.	X^2 + x^3 =? what is the answer id x square is added to x cube
Answer» ANSWER: x^5 Step-by-step EXPLANATION: the EXPONENTIAL RULE- a^m+a^n=a^m+n. x^2+x^3= x^2+3= x^5

27.

X^2 + x^3 =? what is the answer id x square is added to x cube

Answer»

ANSWER:

x^5

Step-by-step EXPLANATION:

the EXPONENTIAL RULE- a^m+a^n=a^m+n.

x^2+x^3=

x^2+3=

x^5

Discussion

28.	Find 5 rational numbers between 7/3 and 6/5
Answer» Answer: hii mate... we HVE to find 5 numbes so , 5+1=6 7/3 & 6/5 75/35 = 35/15 63/53 = 18/15 Now multiply both no. by 6 356/156 = 210/90 186/156 = 108/90 209 , 208, 207........... so on to this u can add up the no. TILL 108. Hope it helps u....

28.

Find 5 rational numbers between 7/3 and 6/5

Answer»

Answer:

hii mate...

we HVE to find 5 numbes so , 5+1=6

7/3 & 6/5

7*5/3*5 = 35/15

6*3/5*3 = 18/15

Now multiply both no. by 6

35*6/15*6 = 210/90

18*6/15*6 = 108/90

209 , 208, 207...........

so on to this u can add up the no. TILL 108.

Hope it helps u....

Discussion

29.	if alpha and beta are the zeroes of the polynomial p(x)=x square -8x+k such that alpha square +beta square =40 .find the value of k
Answer» ANSWER: here is UR answer..........................................

29.

if alpha and beta are the zeroes of the polynomial p(x)=x square -8x+k such that alpha square +beta square =40 .find the value of k

Answer»

ANSWER:

here is UR answer..........................................

Discussion

30.	DO -esent the same rational numbers?
Answer» Step-by-step explanation: yes there is ALSO same RATIONAL NUMBERS EXAMPLE 25/50 and 100/200.

30.

DO -esent the same rational numbers?

Answer»

Step-by-step explanation:

yes there is ALSO same RATIONAL NUMBERS

EXAMPLE 25/50 and 100/200.

Discussion

31.	3 Find the value of a and b such that. please gave answer
Answer» ANSWER: TAKE a clear photo Step-by-step explanation: PLEASE check your QUESTION

31.

3 Find the value of a and b such that. please gave answer

Answer»

ANSWER:

TAKE a clear photo

Step-by-step explanation:

PLEASE check your QUESTION

Discussion

32.	X-3/5-2=2x/5. solve it
Answer» HI mate welcome to the CONCEPT of EQUATIONS.

32.

X-3/5-2=2x/5. solve it

Answer»

HI mate

welcome to the CONCEPT of EQUATIONS.

Discussion

33.	@In a row of students Schan is 9th from either of the nowFind the number of students in the now
Answer» The ANSWER:- there are 25 STUDENTS in a ROW

Discussion

34.	write the following in decimal form and say what kind of decimal expression each has 3/13 4 1/5 4/7
Answer» Answer: Decimal form of 3/13 is 0.2307692. Decimal EXPANSION is the TERMINATING and repeating which is about 9TH numbers is repeating it. Converting the fraction to the decimal which is easily DIVIDING numerator by denominator is the CORRECT answer that is 0.2307692.

34.

write the following in decimal form and say what kind of decimal expression each has 3/13 4 1/5 4/7

Answer»

Answer:

Decimal form of 3/13 is 0.2307692. Decimal EXPANSION is the TERMINATING and repeating which is about 9TH numbers is repeating it.

Converting the fraction to the decimal which is easily DIVIDING numerator by denominator is the CORRECT answer that is 0.2307692.

Discussion

35.	if alpha and beta are the zeroes of the polynomial 2x^2 +3x -6 then find the value of alpha^2 + beta^2
Answer» SOLUTION :- GIVEN POLYNOMIAL :- 2x² + 3x - 6 Roots = α and β So as in a quadratic Polynomial :- -b/a = Sum of roots = α + β c/a = Product of roots = αβ Now in our polynomial a = 2 b = 3 c = -6 So Sum of roots = -3/2 Product of roots = -6/2 = -3 Now we have to find out the value of α² + β² Now as we know a² + b² = (a + b)² - 2ab So α² + β² = ( α + β)² - 2 (αβ) = (-3/2)² - 2(-3) = 9/4 + 6 = (9 + 24)/4 = 33/4 So α² + β² $\Huge{\boxed{\sf{= \dfrac{33}{4}}}}$

35.

if alpha and beta are the zeroes of the polynomial 2x^2 +3x -6 then find the value of alpha^2 + beta^2

Answer»

SOLUTION :-

GIVEN POLYNOMIAL :-

2x² + 3x - 6

Roots = α and β

So as in a quadratic Polynomial :-

-b/a = Sum of roots = α + β

c/a = Product of roots = αβ

Now in our polynomial

a = 2

b = 3

c = -6

So

Sum of roots = -3/2

Product of roots = -6/2 = -3

Now we have to find out the value of

α² + β²

Now as we know

a² + b² = (a + b)² - 2ab

So

α² + β² = ( α + β)² - 2 (αβ)

= (-3/2)² - 2(-3)

= 9/4 + 6

= (9 + 24)/4

= 33/4

So α² + β²

$\Huge{\boxed{\sf{= \dfrac{33}{4}}}}$

Discussion

36.	1. Find the smallest number which when multiplied with 137592 will make the product a perfect cube.Further, find the cube root of the product.
Answer» Step-by-step explanation: on FACTORIZING we get 137592 = (2×2×2)×(3×3×3)×(7×7)×13. so to make it a perfect CUBE it should be multipled with 7×13×13 = 1183. cube root will be EQUAL to 546

36.

1. Find the smallest number which when multiplied with 137592 will make the product a perfect cube.Further, find the cube root of the product.

Answer»

Step-by-step explanation:

on FACTORIZING we get

137592 = (2×2×2)×(3×3×3)×(7×7)×13.

so to make it a perfect CUBE it should be multipled with 7×13×13 = 1183.

cube root will be EQUAL to 546

Discussion

37.	If x^2 ,4 and 9 are in continued proportion,find x
Answer» HOPE it will HELP you...

37.

If x^2 ,4 and 9 are in continued proportion,find x

Answer»

HOPE it will HELP you...

Discussion

38.	VERY EASY QUESTION Q.10MARK AS BRAINLIEST
Answer» Assuming all three resistors are CONNECTED in parallel. I(total) = I(1) + I(2) + I(3) I = V/R Thus, V(total)/R(total) = V(1)/R(1) + V(2)/R(2) + V(3)/R(3) SINCE V(total) = V(1) = V(2) = V(3) So, 1/R(total) = 1/R(1) + 1/R(2) + 1/R(3) R(total) = 3 OHM R(1) = 6 ohm R(2) = 12 ohm It leads to 1/3 = 1/6 + 1/12 + 1/R(3) R(3) = 12 ohm

38.

VERY EASY QUESTION Q.10MARK AS BRAINLIEST

Answer»

Assuming all three resistors are CONNECTED in parallel.

I(total) = I(1) + I(2) + I(3)

I = V/R

Thus, V(total)/R(total) = V(1)/R(1) + V(2)/R(2) + V(3)/R(3)

SINCE V(total) = V(1) = V(2) = V(3)

So, 1/R(total) = 1/R(1) + 1/R(2) + 1/R(3)

R(total) = 3 OHM

R(1) = 6 ohm

R(2) = 12 ohm

It leads to 1/3 = 1/6 + 1/12 + 1/R(3)

R(3) = 12 ohm

Discussion

39.	Find a quadratic equation whose zeroes are -3 and 2?
Answer» Answer: heya mate there's your answer X^2-(sum of roots)x+(PRODUCT of roots) =x^2-(-3+2)x+(-3×2) =x^2-(-1)x+(-6) =x^2+x-6 hope it helps you THANK you

39.

Find a quadratic equation whose zeroes are -3 and 2?

Answer»

Answer:

heya mate there's your answer

X^2-(sum of roots)x+(PRODUCT of roots)

=x^2-(-3+2)x+(-3×2)

=x^2-(-1)x+(-6)

=x^2+x-6

hope it helps you

THANK you

Discussion

40.	Draw the graph of x - 3 = 0
Answer» Answer: x - 3 = 0 it means that x = 3 so plot the POINT on the RECTANGULAR cartesian system the point (3,0) COZ there is no "y" co-ordinate then the GRAPH will be parallel to y-axis.. HOPE IT HELPS.

40.

Draw the graph of x - 3 = 0

Answer»

Answer:

x - 3 = 0 it means that x = 3 so plot the POINT on the RECTANGULAR cartesian system the point (3,0) COZ there is no "y" co-ordinate then the GRAPH will be parallel to y-axis..

HOPE IT HELPS.

Discussion

41.	If side of cube is 6cm, then the diagonal of cube is
Answer» Step-by-step EXPLANATION: DIAGONAL of cube=√3 SIDE. =√3*6 =6√3 or 10.392 CM.

41.

If side of cube is 6cm, then the diagonal of cube is

Answer»

Step-by-step EXPLANATION:

DIAGONAL of cube=√3 SIDE.

=√3*6

=6√3 or 10.392 CM.

Discussion

42.	The perimeter of a polygon whose each side measures 3.4 cm is 27.2 cm. Find the number of sides of the polygon.
Answer» Step-by-step explanation: Let the total number of sides be y Area of a regular POLYGON= total SIDE × length of side 27.2=y×3.4 27.2=3.4y 27.2/3.4 =y y=8 Hence the polygon had 8 side Hope, you mark my answer as the BRAINIEST

42.

The perimeter of a polygon whose each side measures 3.4 cm is 27.2 cm. Find the number of sides of the polygon.

Answer»

Step-by-step explanation:

Let the total number of sides be y

Area of a regular POLYGON= total SIDE ×

length of side

27.2=y×3.4

27.2=3.4y

27.2/3.4 =y

y=8

Hence the polygon had 8 side

Hope, you mark my answer as the BRAINIEST

Discussion

43.	The nth term of an AP is given by tn=4n-5. find the sum of first 25 term of the AP
Answer» HOPE this ANSWER will HELP you

Discussion

44.	Find the values of trigonometric functions like cos 90
Answer» ANSWER: I HOPE this HELPS you...

44.

Find the values of trigonometric functions like cos 90

Answer»

ANSWER:

I HOPE this HELPS you...

Discussion

45.	Find the perimeter of length 15 breadth 8 centimetre
Answer» Answer: 46cm Step-by-step EXPLANATION: PERIMETER of rectangle=2(l+b) =2(15+8) =2*23=46 CM.

45.

Find the perimeter of length 15 breadth 8 centimetre

Answer»

Answer:

46cm

Step-by-step EXPLANATION:

PERIMETER of rectangle=2(l+b)

=2(15+8)

=2*23=46 CM.

Discussion

46.	Find the sum of the integers between 100 and 200 that are
Answer» Answer: Hi here is your answer, 101,103,105...........199 an = 199 a = 101 d= 2 an= a+ (n-1)d 199 = 101 +(n-1) 2 199-101 = (n-1)2 98/2 = n-1 49 +1 = n so, n= 50 sn = n/2 (a+l) = 50/ 2 (101+199) Hope it helps you. Please MARK me as BRAINLIEST.

46.

Find the sum of the integers between 100 and 200 that are

Answer»

Answer:

Hi here is your answer,

101,103,105...........199

an = 199 a = 101 d= 2

an= a+ (n-1)d

199 = 101 +(n-1) 2

199-101 = (n-1)2

98/2 = n-1

49 +1 = n

so, n= 50

sn = n/2 (a+l)

= 50/ 2 (101+199)

Hope it helps you.

Please MARK me as BRAINLIEST.

Discussion

47.	Using prime factorization find HCF and LCM of 168 and 448
Answer» ANSWER: I HOPE this will HELP you

47.

Using prime factorization find HCF and LCM of 168 and 448

Answer»

ANSWER:

I HOPE this will HELP you

Discussion

48.	Please any body help me in this question
Answer» ANSWER: The answer to this QUESTION will be 2^-7

48.

Please any body help me in this question

Answer»

ANSWER:

The answer to this QUESTION will be 2^-7

Discussion

49.	Find the value of x :- log (x+1) - log (x-1) = 1
Answer» Answer: 1 & -1 Step-by-step EXPLANATION: log a - log b = log(a/b) log (x+1) - log (x-1) = log (x+1)/(x-1) Given log (x+1)/(x-1) = 1(ie. log x) CANCELLING log from both SIDES = (x+1)/(x-1) = x (x+1) = x(x-1) x+1 = x^2 - x x^2 - 2X -1 = 0 x^2 -x -x -1 = 0 x(x-1) -1(x+1) = 0 (x+1)(x-1) = 0 x = 1 & -1

49.

Find the value of x :- log (x+1) - log (x-1) = 1

Answer»

Answer:

1 & -1

Step-by-step EXPLANATION:

log a - log b = log(a/b)

log (x+1) - log (x-1) = log (x+1)/(x-1)

Given log (x+1)/(x-1) = 1(ie. log x)

CANCELLING log from both SIDES = (x+1)/(x-1) = x

(x+1) = x(x-1)

x+1 = x^2 - x

x^2 - 2X -1 = 0

x^2 -x -x -1 = 0

x(x-1) -1(x+1) = 0

(x+1)(x-1) = 0

x = 1 & -1

Discussion

50.	Draw the graph of x - 3 = 0 linear equations in two variable
Answer» Answer: Let X=1 1-3¥ 0 Let x =2 2-3¥0 Let x=3 3-3=0 Means x=3 HOPE it HELPS

50.

Draw the graph of x - 3 = 0 linear equations in two variable

Answer»

Answer:

Let X=1

1-3¥ 0

Let x =2

2-3¥0

Let x=3

3-3=0

Means x=3

HOPE it HELPS

Discussion

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