332354 + Interview Questions in Secondary School in Math

1.	Which 2 number have a product of 72 and a difference of 1
Answer» 9 X 8 will GIVE you 72 and 9-8 will give you 1

Discussion

2.	Estimate each different to the nearest hundred
Answer» ANSWER: it the digit at tens place in 5 or grater than 5 , INCREASE the digit at hundreds place by 1 and replace each one of the digits at tens and ones place by 0 the number so obtained is the number rounded off to the NEAREST number

2.

Estimate each different to the nearest hundred

Answer»

ANSWER:

it the digit at tens place in 5 or grater than 5 , INCREASE the digit at hundreds place by 1 and replace each one of the digits at tens and ones place by 0 the number so obtained is the number rounded off to the NEAREST number

Discussion

3.	Find cube root of _1 and 64
Answer» ANSWER: CUBE ROOT of 64 is 4 Step-by-step EXPLANATION:

3.

Find cube root of _1 and 64

Answer»

ANSWER:

CUBE ROOT of 64 is 4

Step-by-step EXPLANATION:

Discussion

4.	Annual incomes of Aashu and Pinky are in the ratio 8:5 and their annualexpenses 5:3. If each of them saves Rs.500 at the end of the year, then findannual income in Rs.) of each.1
Answer» ANSWER: PLEASE MARK me as BRAINLIST

4.

Annual incomes of Aashu and Pinky are in the ratio 8:5 and their annualexpenses 5:3. If each of them saves Rs.500 at the end of the year, then findannual income in Rs.) of each.1

Answer»

ANSWER:

PLEASE MARK me as BRAINLIST

Discussion

5.	Find the rational number between minus3 and 3
Answer» ANSWER: -2, -1, 0,1,2 Step-by-step explanation: mark me as Brainlist

5.

Find the rational number between minus3 and 3

Answer»

ANSWER:

-2, -1, 0,1,2

Step-by-step explanation:

mark me as Brainlist

Discussion

6.	(11.04 MC) How many millimeters are there in 4.72 meters? (2 points) Group of answer choices 4,720 millimeters 472 millimeters 472,000 millimeters 47,200 millimeters
Answer» Answer: 1 Meter (m) is equal to 1000 MILLIMETERS (mm). To convert meters to millimeters, multiply the meter VALUE by 1000. For example, to FIND out how many millimeters there are in 2 meters, multiply 2 by 1000, that makes 2000 mm in 2 meters. meters to millimeters formula millimeter = meter * 1000 What is a Meter?

6.

(11.04 MC) How many millimeters are there in 4.72 meters? (2 points) Group of answer choices 4,720 millimeters 472 millimeters 472,000 millimeters 47,200 millimeters

Answer»

Answer:

1 Meter (m) is equal to 1000 MILLIMETERS (mm). To convert meters to millimeters, multiply the meter VALUE by 1000.

For example, to FIND out how many millimeters there are in 2 meters, multiply 2 by 1000, that makes 2000 mm in 2 meters.

meters to millimeters formula

millimeter = meter * 1000

What is a Meter?

Discussion

7.	What is 1/5 divided by 1/6?
Answer» 6/5 is CORRECT ANSWER

Discussion

8.	Factorise 4l2 – 81m2, using appropriate identity.
Answer» Answer: 4l²-81m² =(2l)²- (9m)². [USING, a²- b²] = (2l+9m)(2l-9m) Step-by-step explanation: hope you GET all of your answer PLEASE MAKE me brainleast

8.

Factorise 4l2 – 81m2, using appropriate identity.

Answer»

Answer:

4l²-81m²

=(2l)²- (9m)². [USING, a²- b²]

= (2l+9m)(2l-9m)

Step-by-step explanation:

hope you GET all of your answer

PLEASE MAKE me brainleast

Discussion

9.	Consider an algebraic system (G, ), where G is the set of all non-zero real numbers and is a binary operation defined byab=(ab)/4Show that (G, *) is an abelian group
Answer» TO PROVE The set G is the set of all non-zero real numbers forms an abelian GROUP under the operation * defined by $\displaystyle \: \sf{ a<klux>B</klux> = \frac{1}{4}ab \: \: \: \forall \: \: a, b \in G}$ PROOF* 1. CHECKING FOR CLOSURE PROPERTY $\displaystyle \: \sf{ Let \: \: a, b \in G}$ $\implies \: \displaystyle \:\sf{ \frac{1}{4} ab \: \in G}$ $\implies \: \displaystyle \: \sf{ a* b \: \in G}$ So * is closed 2. CHECKING FOR ASSOCIATIVE PROPERTY $\displaystyle \: \sf{ Let \: \: a, b ,c \: \in G}$ Then $\displaystyle \: \sf{ a(bc) = a* \bigg( \frac{1}{4} bc\bigg) \: } = \frac{1}{16} abc$ $\displaystyle \: \sf{ (ab)c = \bigg( \frac{1}{4} ab\bigg) c\: } = \frac{1}{16} abc$ So a ( b * c ) = ( a * b ) * c So * is associative 3. EXISTENCE OF IDENTITY ELEMENT Let a ∈ G Let e be the identity element Then ea= ae= a $\: \displaystyle \: \sf{ \frac{1}{4} ea \: = a \:}$ $\implies \: \displaystyle \: \sf{ e = 4 }$ So 4 is the identity element 4. EXISTENCE OF INVERSE ELEMENT Let a ∈ G Let there exists b ∈ G such that ab= ba= e $\sf{ \:Now \: \: ab= e\: } \: \: implies$ $\displaystyle \: \sf{ \frac{1}{4} ab\: = 4 \:}$ $\implies \: \: \displaystyle \: \sf{ b\: = \frac{16}{a} \:}$ $\displaystyle \: \sf{ \therefore \: \: \frac{16}{a} \: }\: is \: the \: inverse \: \: element \: of \: a\: \: under \: the \: operation \: $ So G is a group CHECKING FOR COMMUTATIVE PROPERTY Let a, b ∈ G Now $\displaystyle \: \sf{ ab = \frac{1}{4}ab \: \: \: }$ $\displaystyle \: \sf{ ba = \frac{1}{2}ba = \frac{1}{4}ab \: \: \: }$ So a * b = b * a So ( G , * ) is commutative group Hence proved ━━━━━━━━━━━━━━━━ Learn more from Brainly :- 1. show me the set G = { x+y√3:x,y=Q} is a group w.r.t addition brainly.in/question/22729253 2. Show that the set Q+ of all positive rational numbers forms an abelian group under the operation * defined by a*b= 1/2(... brainly.in/question/21467351

9.

Consider an algebraic system (G, ), where G is the set of all non-zero real numbers and is a binary operation defined byab=(ab)/4Show that (G, *) is an abelian group

Answer»

TO PROVE

The set G is the set of all non-zero real numbers forms an abelian GROUP under the operation * defined by

$\displaystyle \: \sf{ a*<klux>B</klux> = \frac{1}{4}ab \: \: \: \forall \: \: a, b \in G}$

PROOF

1. CHECKING FOR CLOSURE PROPERTY

$\displaystyle \: \sf{ Let \: \: a, b \in G}$

$\implies \: \displaystyle \:\sf{ \frac{1}{4} ab \: \in G}$

$\implies \: \displaystyle \: \sf{ a* b \: \in G}$

So * is closed

2. CHECKING FOR ASSOCIATIVE PROPERTY

$\displaystyle \: \sf{ Let \: \: a, b ,c \: \in G}$

Then

$\displaystyle \: \sf{ a*(b*c) = a* \bigg( \frac{1}{4} bc\bigg) \: } = \frac{1}{16} abc$

$\displaystyle \: \sf{ (a*b)*c = \bigg( \frac{1}{4} ab\bigg) *c\: } = \frac{1}{16} abc$

So a * ( b * c ) = ( a * b ) * c

So * is associative

3. EXISTENCE OF IDENTITY ELEMENT

Let a ∈ G

Let e be the identity element

Then e*a= a*e= a

$\: \displaystyle \: \sf{ \frac{1}{4} ea \: = a \:}$

$\implies \: \displaystyle \: \sf{ e = 4 }$

So 4 is the identity element

4. EXISTENCE OF INVERSE ELEMENT

Let a ∈ G

Let there exists b ∈ G such that

a*b= b*a= e

$\sf{ \:Now \: \: a*b= e\: } \: \: implies$

$\displaystyle \: \sf{ \frac{1}{4} ab\: = 4 \:}$

$\implies \: \: \displaystyle \: \sf{ b\: = \frac{16}{a} \:}$

$\displaystyle \: \sf{ \therefore \: \: \frac{16}{a} \: }\: is \: the \: inverse \: \: element \: of \: a\: \: under \: the \: operation \: *$

So G is a group

CHECKING FOR COMMUTATIVE PROPERTY

Let a, b ∈ G

Now

$\displaystyle \: \sf{ a*b = \frac{1}{4}ab \: \: \: }$

$\displaystyle \: \sf{ b*a = \frac{1}{2}ba = \frac{1}{4}ab \: \: \: }$

So a * b = b * a

So ( G , * ) is commutative group

Hence proved

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

1. show me the set G = { x+y√3:x,y=Q} is a group w.r.t addition

brainly.in/question/22729253

2. Show that the set Q+ of all positive rational numbers forms an abelian group under the operation * defined by

a*b= 1/2(...

brainly.in/question/21467351

Discussion

10.	A bicycle marked at RS.1500 is sold for rs.1350. what is the percentage of discount
Answer» Cp of CYCLE 1500 SP of cycle 1350 Cp>Sp = loss Loss = Cp - Sp = 1500-1350=150 Loss% = Loss/ Cp x 100 = 150/1500x100= 10% ANS 10%

Discussion

11.	a digit is inserted between the digits of a two digit perfect square number. find the three digit number formed in this way?
Answer» Answer: 225 Step-by-step EXPLANATION:

11.

a digit is inserted between the digits of a two digit perfect square number. find the three digit number formed in this way?

Answer»

Answer:

225

Step-by-step EXPLANATION:

Discussion

12.	2+4=569-7644556767=6&45465576-4₹447678=77577/65534547576875544334868=+7*765645433433-75646645768878
Answer» ANSWER: see on CALCULATOR this QUESTION answer get you FAST

12.

2+4=569-7644556767=6&45465576-4₹447678=77577/65534547576875544334868=+7*765645433433-75646645768878

Answer»

ANSWER:

see on CALCULATOR this QUESTION answer get you FAST

Discussion

13.	Draw a number line and locate the numbers:a)0 b)-1 c)5 d)1/2
Answer» Answer: 0 in centre -1 0 KE SAATH and is 5 POSITIVE and 1/2 in centre of 0 and 1 Step-by-step explanation: I HOPE IT IS HELPFULL FOR YOU♥♥

13.

Draw a number line and locate the numbers:a)0 b)-1 c)5 d)1/2

Answer»

Answer:

0 in centre -1 0 KE SAATH and is 5 POSITIVE and 1/2 in centre of 0 and 1

Step-by-step explanation:

I HOPE IT IS HELPFULL FOR YOU♥♥

Discussion

14.	(2/y + x)(2/y - x). how to solve need help
Answer» Answer: Answer: The solutions of y = 3x - 1 are (1, 2) and (0, -1) We will SUBSTITUTE x-coordinate and y-coordinate in the equation y = 3x - 1 to check if the given points are the solution of the equation. https://www.cuemath.com › questions Step-by-step explanation: (a) Substitute 2 for x and -3 for y in y = 3x - 1 -3 = 3 (2) - 1 -3 = 6 - 1 -3 = 5 This is not TRUE. So, (2, -3) is not a solution of y = 3x - 1 (b) Substitute 1 for x and 2 for y in y = 3x - 1 2 = 3 (1) - 1 2 = 3 - 1 2 = 2 This is true. So, (1, 2) is a solution of y = 3x - 1 (c) Substitute 0 for x and -1 for y in y = 3x - 1 -1 = 3 (0) - 1 -1 = 0 - 1 -1 = -1

14.

(2/y + x)(2/y - x). how to solve need help

Answer»

Answer:

Answer: The solutions of y = 3x - 1 are (1, 2) and (0, -1) We will SUBSTITUTE x-coordinate and y-coordinate in the equation y = 3x - 1 to check if the given points are the solution of the equation.

https://www.cuemath.com › questions

Step-by-step explanation:

(a) Substitute 2 for x and -3 for y in y = 3x - 1

-3 = 3 (2) - 1

-3 = 6 - 1

-3 = 5

This is not TRUE. So, (2, -3) is not a solution of y = 3x - 1

(b) Substitute 1 for x and 2 for y in y = 3x - 1

2 = 3 (1) - 1

2 = 3 - 1

2 = 2

This is true. So, (1, 2) is a solution of y = 3x - 1

(c) Substitute 0 for x and -1 for y in y = 3x - 1

-1 = 3 (0) - 1

-1 = 0 - 1

-1 = -1

Discussion

15.	40 + a = 30 whats the answer
Answer» A = 10 is ANSWER PLEASE MARK as BRA

Discussion

16.	find the inverse of the point 5 10 with respect to a circle with centre at a point 3,4 of diameter 12 units
Answer» Given : circle with the CENTRE at POINT (3,4) of diameter 12 units To find : The inverse of (5,10) with the RESPECT of the given circle Solution: inverse of (x , y) wrt circle (α(x−h)+h, α(y−k)+k) α=r²/ ((x−h)²+(y−k)²) circle with the centre at point (3,4) h = 3 , k = 4 r = radius = diameter/2 = 12/2 = 6 Point (5 , 10) hence x = 5 , y = 10 α= r² / ((5 - 3)² + (10 - 4)² ) = 6² /40 = 36/40 = 9/10 α(x−h)+h = (9 /10) (5 - 3) + 3 = 24/5 α(y−k)+k = (9 /10) (10 - 4) + 4 = 47/5 (24/5 , 47/5 ) is inverse of point (5,10) with respect to a circle with the center at the point (3,4) of diameter 12 units Learn More: The inverse of (1,3) with the respect of the circle x2+y2-4x-6y+9=0 brainly.in/question/17419666 find the equation of circle which passed through origin and cuts off ... brainly.in/question/2075668 Equation of the circle which is such that the lengths of the TANGENTS ... brainly.in/question/13068835

16.

find the inverse of the point 5 10 with respect to a circle with centre at a point 3,4 of diameter 12 units

Answer»

Given : circle with the CENTRE at POINT (3,4) of diameter 12 units

To find : The inverse of (5,10) with the RESPECT of the given circle

Solution:

inverse of (x , y) wrt circle (α(x−h)+h, α(y−k)+k)

α=r²/ ((x−h)²+(y−k)²)

circle with the centre at point (3,4)

h = 3 , k = 4

r = radius = diameter/2 = 12/2 = 6

Point (5 , 10) hence x = 5 , y = 10

α= r² / ((5 - 3)² + (10 - 4)² ) = 6² /40 = 36/40 = 9/10

α(x−h)+h = (9 /10) (5 - 3) + 3 = 24/5

α(y−k)+k = (9 /10) (10 - 4) + 4 = 47/5

(24/5 , 47/5 ) is inverse of point (5,10) with respect to a circle with the center at the point (3,4) of diameter 12 units

Learn More:

The inverse of (1,3) with the respect of the circle x2+y2-4x-6y+9=0

brainly.in/question/17419666

find the equation of circle which passed through origin and cuts off ...

brainly.in/question/2075668

Equation of the circle which is such that the lengths of the TANGENTS ...

brainly.in/question/13068835

Discussion

17.	If abc = 1, then show that, 1/1+a+b^-1+1/1+b+c^-1+1/1+c+a^-1 = 1
Answer» Answer: 1 Step-by-step EXPLANATION: abc=1 ⟹c=1/AB 1/(1+a+1/B)+1/(1+b+1/c)+1/(1+c+1/a) =1/(1+a+1/b)+1/(1+b+ab)+1/(1+1/ab+1/a) =b/(1+b+ab)+1/(1+b+ab)+ab/(1+b+ab) =1+b+ab/(1+b+ab) =1

17.

If abc = 1, then show that, 1/1+a+b^-1+1/1+b+c^-1+1/1+c+a^-1 = 1

Answer»

Answer:

1

Step-by-step EXPLANATION:

abc=1

⟹c=1/AB

1/(1+a+1/B)+1/(1+b+1/c)+1/(1+c+1/a)

=1/(1+a+1/b)+1/(1+b+ab)+1/(1+1/ab+1/a)

=b/(1+b+ab)+1/(1+b+ab)+ab/(1+b+ab)

=1+b+ab/(1+b+ab)

=1

Discussion

18.	If b=3 then any integer can be expressed as a=?
Answer» ANSWER: APNA answer UPPER me HAI

18.

If b=3 then any integer can be expressed as a=?

Answer»

ANSWER:

APNA answer UPPER me HAI

Discussion

19.	If dIf derivative of function is less than zero the fucntion _______
Answer» is DECREASING FUNCTION

Discussion

20.	Find five rational numbers between -3/4 and 2/5
Answer» This is the ANSWER... The NUMBERS between -3/4 and 2/5 are : -14/20, -13/20, -2/20, 2/20 and 5/20

Discussion

21.	find the zeros of quadratic polynomial 2y²-y-21 and verify the relationship between the zeros and it's coefficient
Answer» $\mathbb\red{EXPLANATION}$ Given:- 2y² - y - 21 (Quadratic POLYNOMIAL) To find :- Zeros of Quadratic polynomial Relationship of coefficient of zeros SOLUTION:- We can find zeros of Quadratic polynomial by factorisation method 2y² - y - 21 Here product of NUMBERS should be -42y² Sum of numbers should be -y -7y × 6y = -42y² -7y + 6y = -y So, split the middle terms as -7y + 6y 2y² - y - 21 2y² - 7y + 6y - 21 2y² + 6y -7y - 21 2Y(y+3) -7 (y+3) (y+3)(2y-7) y + 3 = 0 y= -3 2y - 7 = 0 2y = 7 y = 7/2 So, zeros of Quadratic polynomial ia -3 and 7/2 RELATION ship between zeros and its coefficient Sum of zeros ${(\alpha+\beta)}$ = -b/a Product of zeros ${(\alpha\beta)}$ = c/a 2y² - y - 21 comparing with ax² + BX + c a = 2 b = -1 c = -21 Sum of zeros = -b/a Sum of zeros = -(-1)/2 Sum of zeros = 1/2 Product of zeros = c/a Product of zeros = -21/ 2 So, ${\alpha+\beta}= \dfrac{1}{2}$ ${\alpha\beta} = \dfrac{-21}{2}$

21.

find the zeros of quadratic polynomial 2y²-y-21 and verify the relationship between the zeros and it's coefficient

Answer»

$\mathbb\red{EXPLANATION}$

Given:-

2y² - y - 21 (Quadratic POLYNOMIAL)

To find :-

Zeros of Quadratic polynomial
Relationship of coefficient of zeros

SOLUTION:-

We can find zeros of Quadratic polynomial by factorisation method

2y² - y - 21

Here product of NUMBERS should be -42y²

Sum of numbers should be -y

-7y × 6y = -42y²

-7y + 6y = -y

So, split the middle terms as -7y + 6y

2y² - y - 21

2y² - 7y + 6y - 21

2y² + 6y -7y - 21

2Y(y+3) -7 (y+3)

(y+3)(2y-7)

y + 3 = 0

y= -3

2y - 7 = 0

2y = 7

y = 7/2

So, zeros of Quadratic polynomial ia -3 and 7/2

RELATION ship between zeros and its coefficient

Sum of zeros ${(\alpha+\beta)}$ = -b/a
Product of zeros ${(\alpha\beta)}$ = c/a

2y² - y - 21 comparing with ax² + BX + c

a = 2
b = -1
c = -21

Sum of zeros = -b/a

Sum of zeros = -(-1)/2

Sum of zeros = 1/2

Product of zeros = c/a

Product of zeros = -21/ 2

So,

${\alpha+\beta}= \dfrac{1}{2}$

${\alpha\beta} = \dfrac{-21}{2}$

Discussion

22.	If f (x) = x² - 5x²-4x+20 then f (3)
Answer» ANSWER: i don't UNDERSTAND your QUESTION

22.

If f (x) = x² - 5x²-4x+20 then f (3)

Answer»

ANSWER:

i don't UNDERSTAND your QUESTION

Discussion

23.	2/3 × -7/8 simplify
Answer» ANSWER: I HOPE it will HELP full to you please mark me brainlist ‼️‼️‼️‼️

23.

2/3 × -7/8 simplify

Answer»

ANSWER:

I HOPE it will HELP full to you

please mark me brainlist ‼️‼️‼️‼️

Discussion

24.	Find remainder using remainder theorem when (px) is divided by (gx).(px)=4x⁴+5x³-12x²-11x+7g(x)=5+4xPlease use remainder theorem.don't spam answers
Answer» ANSWER: It is the narrow zone of earth where LAND,WATER and air INTERACT with each other to support life

24.

Find remainder using remainder theorem when (px) is divided by (gx).(px)=4x⁴+5x³-12x²-11x+7g(x)=5+4xPlease use remainder theorem.don't spam answers

Answer»

ANSWER:

It is the narrow zone of earth where LAND,WATER and air INTERACT with each other to support life

Discussion

25.	5x-4y+8=0 and 7x+6y-9=0 graphical method
Answer» ANSWER: Answer is in the ATTACHMENT

25.

5x-4y+8=0 and 7x+6y-9=0 graphical method

Answer»

ANSWER:

Answer is in the ATTACHMENT

Discussion

26.	The sum rule for derivative is(a) = + where = + (b) = where = (c) = + where = (d) =−where = −
Answer» Answer: HAY i am REALLY SORRY i DONT now TH sorry

26.

The sum rule for derivative is(a) = + where = + (b) = where = (c) = + where = (d) =−where = −

Answer»

Answer:

HAY i am REALLY SORRY i DONT now TH sorry

Discussion

27.	Solve it
Answer» Answer: I HOPE answer will CORRECT and mark me as brainlest Step-by-step explanation: 4x>48 x>48/4 x=12 ia answer

27.

Solve it

Answer»

Answer:

I HOPE answer will CORRECT and mark me as brainlest

Step-by-step explanation:

4x>48

x>48/4

x=12 ia answer

Discussion

28.	the capacity e off bucket 7 1 upon two 2 litres how much water will be e there in 5 1 upon 2 to such buckets ?
Answer» Answer: Step-by-step explanation: 71/2 in mixed is = 35 1/2 so, the water in 71/2 is 35 liters and 500 ML = 35.5 or 35.500 51/2 in mixed is = 25 1/2 so, the water in 51/2 is 25 liters and 500 ml = 25.5 or 25.500 If both get ADDED 35.5 + 25.5 = ??? I'll make it easy for you 35 + 25 L = 60 L + 500 + 500 ml = 1000 = 1 L 60+1 = 61 L 35.5 + 25.5 = 61L

28.

the capacity e off bucket 7 1 upon two 2 litres how much water will be e there in 5 1 upon 2 to such buckets ?

Answer»

Answer:

Step-by-step explanation:

71/2 in mixed is = 35 1/2

so, the water in 71/2 is 35 liters and 500 ML = 35.5 or 35.500

51/2 in mixed is = 25 1/2

so, the water in 51/2 is 25 liters and 500 ml = 25.5 or 25.500

If both get ADDED

35.5 + 25.5 = ???

I'll make it easy for you 35 + 25 L = 60 L + 500 + 500 ml = 1000 = 1 L

60+1 = 61 L

35.5 + 25.5 = 61L

Discussion

29.	By what number should be multiply -6/24 to get product as 2/15
Answer» Step-by-step EXPLANATION: $\frac{2}{15} \div - \frac{6}{24} \\ = \frac{2}{15} \times - \frac{24}{6} \\ = - \frac{8}{15}$

29.

By what number should be multiply -6/24 to get product as 2/15

Answer»

Step-by-step EXPLANATION:

$\frac{2}{15} \div - \frac{6}{24} \\ = \frac{2}{15} \times - \frac{24}{6} \\ = - \frac{8}{15}$

Discussion

30.	(a) O is the centre of a circle.A15 mD+3(b
Answer» ANSWER: A is the answer Step-by-step EXPLANATION: because the CENTRE of CIRCLE is 15 m

30.

(a) O is the centre of a circle.A15 mD+3(b

Answer»

ANSWER:

A is the answer

Step-by-step EXPLANATION:

because the CENTRE of CIRCLE is 15 m

Discussion

31.	Full form of RCT please fast tell
Answer» ANSWER: ROOT Canal Treatment Step-by-step explanation: PLEASE mark as BRAINLIEST

31.

Full form of RCT please fast tell

Answer»

ANSWER:

ROOT Canal Treatment

Step-by-step explanation:

PLEASE mark as BRAINLIEST

Discussion

32.	How many raitonal number are between 2 and 3
Answer» ANSWER: There are INFINITE RATIONAL NUMBERS between 2 and 3

32.

How many raitonal number are between 2 and 3

Answer»

ANSWER:

There are INFINITE RATIONAL NUMBERS between 2 and 3

Discussion

33.	Use euclid's lemma to show that square of any positive integer is of the form 4m aur 4m + 1
Answer» therefore square of any POSITIVE INTEGER is of the form 4m or 4m+1

Discussion

34.	Two number are in ratio 3.5 if 7 add the ratio becomes 11:16 find the number
Answer» *ANSWER* no 1 = x no 2 = 3.5*x x+7:3.5x+7 = 11:16 x+7/3.5x+7=11/16 16x+112=38.5x-77 38.5x-16x=112-77 22.5x=35 x=35-22.5 x=35/22.5 = 14/9 = 1.62

34.

Two number are in ratio 3.5 if 7 add the ratio becomes 11:16 find the number

Answer»

ANSWER

no 1 = x

no 2 = 3.5*x

x+7:3.5x+7 = 11:16

x+7/3.5x+7=11/16

16x+112=38.5x-77

38.5x-16x=112-77

22.5x=35

x=35-22.5

x=35/22.5

= 14/9

= 1.62

Discussion

35.	A man walked 4whole 3/5 km in one hour. how much distance does he walk in 2 whole 1/7 hours?
Answer» Answer: DISTANCE WALKED by MAN in 2 whole 1/7 hours is (19/4) ×15/7 = 285/28 =10•178

35.

A man walked 4whole 3/5 km in one hour. how much distance does he walk in 2 whole 1/7 hours?

Answer»

Answer:

DISTANCE WALKED by MAN in 2 whole 1/7 hours is (19/4) ×15/7 = 285/28 =10•178

Discussion

36.	D.79c.36b.512. Write in the long form. Also write the number name.a. 21 =b. 47 =c. 66 =d. 98 =3. Fill in.a. In 67, the place value of 6 isb. In 93, the place value of 3 isand the place value of 7 isand the place value of 9 is4. Write the smallest and the largest numbers.smallest largesta. 45 32 21 27 56b. 72 84 93 67 75
Answer» Answer: a.ten 10 b.unit 1 In 67, the place value of 6 is b. In 93, the place value of 3 is and the place value of 7 is and the place value of 9 is 4. Write the smallest and the LARGEST numbers. smallest largest a. 45 32 21 27 56 b. 72 84 93 67 75 c.

36.

D.79c.36b.512. Write in the long form. Also write the number name.a. 21 =b. 47 =c. 66 =d. 98 =3. Fill in.a. In 67, the place value of 6 isb. In 93, the place value of 3 isand the place value of 7 isand the place value of 9 is4. Write the smallest and the largest numbers.smallest largesta. 45 32 21 27 56b. 72 84 93 67 75

Answer»

Answer:

a.ten 10

b.unit 1

In 67, the place value of 6 is

b. In 93, the place value of 3 is

and the place value of 7 is

and the place value of 9 is

4. Write the smallest and the LARGEST numbers.

smallest largest

a. 45 32 21 27 56

b. 72 84 93 67 75

c.

Discussion

37.	Write three rational numbers between
Answer» Answer: MAY be :- - 39/60, - 19/30 and - 37/60. Step-by-step explanation: If the given NUMBERS are - 3/5 and - 2/3. Then, Writing the given numbers with same denominator 15 ( L.C.M. of 5 and 3 ), we get - 3/5 = - 9/15 and - 2/3 = - 10/15. Now MULTIPLYING the numerator and denominator of each of the given numbers by 3 + 1, i.e., by 4, we get - 36/60 and - 40/60, which are equivalent to the given numbers. As - 40 < - 39 < - 38 < - 37 < - 36 - 40/60 < - 39/60 < - 38/60 < - 37/60 < - 36 / 60 => - 2/3 < - 39/60 < - 19/30 < - 37/60 < - 3/5 . . ' . Three rational numbers between - 3/5 and - 2/3 are - 39/60, - 19/30 and - 37/60. ------×------ Was that answer correct ? I had tried to type CONTENT related with that...

37.

Write three rational numbers between

Answer»

Answer:

MAY be :-

- 39/60, - 19/30 and - 37/60.

Step-by-step explanation:

If the given NUMBERS are - 3/5 and - 2/3. Then,

Writing the given numbers with same denominator 15 ( L.C.M. of 5 and 3 ), we get - 3/5 = - 9/15 and - 2/3 = - 10/15. Now MULTIPLYING the numerator and denominator of each of the given numbers by 3 + 1, i.e., by 4, we get - 36/60 and - 40/60, which are equivalent to the given numbers.

As - 40 < - 39 < - 38 < - 37 < - 36

- 40/60 < - 39/60 < - 38/60 < - 37/60 < - 36 / 60

=> - 2/3 < - 39/60 < - 19/30 < - 37/60 < - 3/5 .

. ' . Three rational numbers between - 3/5 and - 2/3 are - 39/60, - 19/30 and - 37/60.

------×------

Was that answer correct ?

I had tried to type CONTENT related with that...

Discussion

38.	1+x+x2÷1-x+x2=39(1+x)÷63(1-x)
Answer» SORRY I don't KNOW this ANSWER

Discussion

39.	Factorize x² -3x+ 2xy - 6y
Answer» Step-by-step explanation: x(x-3)+2Y(x-3) =(x+2y)(x-3) hope it'll help you PLEASE make it BRAINLIEST ANSWER of

39.

Factorize x² -3x+ 2xy - 6y

Answer»

Step-by-step explanation:

x(x-3)+2Y(x-3)

=(x+2y)(x-3)

hope it'll help you PLEASE make it BRAINLIEST ANSWER of

Discussion

40.	Prove that 3+2√5 is irrationaldelete My Question
Answer» ANSWER: ⭐ Step-by-step explanation: Prove $3 + 2 \sqrt{5}$ is IRRATIONAL $⇾let \: take \: 3 + 2 \sqrt{5} \: is \: rational \: number \\$ ⇾so, we can write this answer $⟹3 + 2 \sqrt{5} = \frac{a}{b} \\$ Here a & b use TWO comprise number and b ≠ 0 $\sf\mathbb\color{red} {⟹2 \sqrt{5} = \frac{a}{b} - 3}$ $\sf\mathbb\color{red} {⟹2 \sqrt{5} = \frac{a - 3b}{b} }$ $\sf\mathbb\color{red} {∴ \: \: \: \sqrt{5} = \frac{a - 3b}{2b} }$ Here a and b integers so $\frac{a - 3b}{2b}$ Is a Rational number so $\sqrt{5}$ Should be rational number but $\sqrt{5}$ is a irrational number so it is contradict $- hence \: 3 + 2 \sqrt{5} \: is \: irrational \:$

40.

Prove that 3+2√5 is irrationaldelete My Question

Answer»

ANSWER:

⭐

Step-by-step explanation:

Prove $3 + 2 \sqrt{5}$ is IRRATIONAL

$⇾let \: take \: 3 + 2 \sqrt{5} \: is \: rational \: number \\$

⇾so, we can write this answer

$⟹3 + 2 \sqrt{5} = \frac{a}{b} \\$

Here a & b use TWO comprise number and b ≠ 0

$\sf\mathbb\color{red} {⟹2 \sqrt{5} = \frac{a}{b} - 3}$

$\sf\mathbb\color{red} {⟹2 \sqrt{5} = \frac{a - 3b}{b} }$

$\sf\mathbb\color{red} {∴ \: \: \: \sqrt{5} = \frac{a - 3b}{2b} }$

Here a and b integers so $\frac{a - 3b}{2b}$ Is a Rational number so $\sqrt{5}$ Should be rational number but $\sqrt{5}$ is a irrational number so it is contradict

$- hence \: 3 + 2 \sqrt{5} \: is \: irrational \:$

Discussion

41.	IF F(x) = x² +6x +10 then f(2) + F(-2)
Answer» Answer: F(2) = 2^2 +6(2)+10 = 2 +12 +10 = 24 f(-2)= -2^2 +6(-2) +10 = -4 -12+10 = -6

41.

IF F(x) = x² +6x +10 then f(2) + F(-2)

Answer»

Answer:

F(2) = 2^2 +6(2)+10

= 2 +12 +10

= 24

f(-2)= -2^2 +6(-2) +10

= -4 -12+10

= -6

Discussion

42.	I have tomare a teatalks after some time? ?
Answer» Answer: INFORMAL CONVERSATION at or as if at a dining table especially : the social talk of a CELEBRITY recorded for PUBLICATION

42.

I have tomare a teatalks after some time? ?

Answer»

Answer:

INFORMAL CONVERSATION at or as if at a dining table especially : the social talk of a CELEBRITY recorded for PUBLICATION

Discussion

43.	7. सभी खण्ड कीजिए:(क) एक ठोस खिलौना एक अर्द्धगोले के आकार का है, जिस पर एक लम्ब वृत्तीय शंकुआरोपित है। इस शंकु की ऊँचाई 2 सेमी है और आधार का व्यास 4 सेमी है। इस खिलौने काआयतन जात कीजिए।
Answer» ANSWER: jvjhihjkkkyfh ouojgyu7457 o86tfg

43.

7. सभी खण्ड कीजिए:(क) एक ठोस खिलौना एक अर्द्धगोले के आकार का है, जिस पर एक लम्ब वृत्तीय शंकुआरोपित है। इस शंकु की ऊँचाई 2 सेमी है और आधार का व्यास 4 सेमी है। इस खिलौने काआयतन जात कीजिए।

Answer»

ANSWER:

jvjhihjkkkyfh

ouojgyu7457

o86tfg

Discussion

44.	Compare the following pairs of ratio 9/7,3/2 pls answer my question
Answer» 9/7 ‹ 3/2 if my ANSWER is CORRECT so GIVE me 5STARS..

44.

Compare the following pairs of ratio 9/7,3/2 pls answer my question

Answer»

9/7 ‹ 3/2

if my ANSWER is CORRECT so GIVE me 5STARS..

Discussion

45.	X akshache smikaran konte correct answer
Answer» Answer: KONTE correct answer PLEASE LEAVE LIKE

45.

X akshache smikaran konte correct answer

Answer»

Answer:

KONTE correct answer PLEASE LEAVE LIKE

Discussion

46.	Solve the following simultaneous equations graphically.(2) x + y = 5 ; x - y = 3
Answer» Step-by-step EXPLANATION: vjcucjvkgigucjcushcucuvhg if yrcj

46.

Solve the following simultaneous equations graphically.(2) x + y = 5 ; x - y = 3

Answer»

Step-by-step EXPLANATION:

vjcucjvkgigucjcushcucuvhg if yrcj

Discussion

47.	Akash, Bunty, Chatur, Dilip and Eshaan are 5 students in a class. All of them scored different marks in the final exams and are tankes according tomarks scored. The student with highest marks is numbered 1, the next highest 2 and so on till the last person who is ranked 5i) The sum of ranks secured by Akash and Eshaan is equal to the sum of ranks secured by Chatur and Dilip.ii) Akash didn't come first in the class and Chatur didn't come last.iii) Chatur's rank is lower than that of Akash and Dilip's is lower than Bunty.Who secured the lowest rank
Answer» ANSWER: Dilip hope it HELPS U dear☺️☺️☺️

47.

Akash, Bunty, Chatur, Dilip and Eshaan are 5 students in a class. All of them scored different marks in the final exams and are tankes according tomarks scored. The student with highest marks is numbered 1, the next highest 2 and so on till the last person who is ranked 5i) The sum of ranks secured by Akash and Eshaan is equal to the sum of ranks secured by Chatur and Dilip.ii) Akash didn't come first in the class and Chatur didn't come last.iii) Chatur's rank is lower than that of Akash and Dilip's is lower than Bunty.Who secured the lowest rank

Answer»

ANSWER:

Dilip

hope it HELPS U dear☺️☺️☺️

Discussion

48.	By How much13246510 is larger than 4658642By how much 13262 465110 is larger than 465 8642
Answer» Step-by-step EXPLANATION: OK PLZ make as BRAINLEST ans

48.

By How much13246510 is larger than 4658642By how much 13262 465110 is larger than 465 8642

Answer»

Step-by-step EXPLANATION:

OK PLZ make as BRAINLEST ans

Discussion

49.	Round of the nearest hundred 1,09,834
Answer» Answer: 1,09,800 Step-by-step EXPLANATION:

49.

Round of the nearest hundred 1,09,834

Answer»

Answer:

1,09,800

Step-by-step EXPLANATION:

Discussion

50.	Simplify 1. (-2/5)-(-3/10)-(-4/7) 2. [1/21/4]-[11/4]+[-7/18/7/-15
Answer» plz make as brainlest ans

50.

Simplify 1. (-2/5)-(-3/10)-(-4/7) 2. [1/21/4]-[11/4]+[-7/18/7/-15

Answer»

plz make as brainlest ans

Discussion

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