98971 + Interview Questions in Primary School in Math

1.	Solve the quadratic equation by factorization method: x² + 6x + 8 = 0 *
Answer» Answer: HOPE it helps you . x² + 6x + 8 = 0 x² + 2x + 4X + 8 = 0 x ( x + 2 ) + 4( x + 2 ) = 0 ( x + 2 ) ( x + 4 ) = 0 ( x + 2 ) = 0. or. ( x + 4 ) = 0 x = - 2 or. x = - 4

1.

Solve the quadratic equation by factorization method: x² + 6x + 8 = 0 *

Answer»

Answer:

HOPE it helps you .

x² + 6x + 8 = 0

x² + 2x + 4X + 8 = 0

x ( x + 2 ) + 4( x + 2 ) = 0

( x + 2 ) ( x + 4 ) = 0

( x + 2 ) = 0. or. ( x + 4 ) = 0

x = - 2 or. x = - 4

Discussion

2.	Simplify (2/13÷(-1/7)×(-39/14)
Answer» ANSWER: PLEASE MARK ME AS A BRAINLIEST PLS Step-by-step EXPLANATION: $\left(\frac{\frac{2}{13}}{\left(-\frac{1}{7}\right)}\times \left(-\frac{39}{14}\right)\right)=3$

2.

Simplify (2/13÷(-1/7)×(-39/14)

Answer»

ANSWER:

PLEASE MARK ME AS A BRAINLIEST PLS

Step-by-step EXPLANATION:

$\left(\frac{\frac{2}{13}}{\left(-\frac{1}{7}\right)}\times \left(-\frac{39}{14}\right)\right)=3$

Discussion

3.	योग्य ठिकाणी धन आणि ऋण चिन्ह वापरून उदाहरणे सोडवा1) कब्बडीच्या सामन्यात प्रत्येय परभवासाठी 5 गुण कमी होतात आणि प्रत्येक विजयासाठी10 गुण मिळतात एका संघाने 3 सामने गमावले आणि 4 सामने जिंकले तर त्यांचे एकूण गुण किती झाले?
Answer» ANSWER: OK explanation: PLZ TRANSLATE in English

3.

योग्य ठिकाणी धन आणि ऋण चिन्ह वापरून उदाहरणे सोडवा1) कब्बडीच्या सामन्यात प्रत्येय परभवासाठी 5 गुण कमी होतात आणि प्रत्येक विजयासाठी10 गुण मिळतात एका संघाने 3 सामने गमावले आणि 4 सामने जिंकले तर त्यांचे एकूण गुण किती झाले?

Answer»

ANSWER:

OK

explanation:

PLZ TRANSLATE in English

Discussion

4.	The pair of equations y = 0 and y = –7 has *
Answer» Step-by-step explanation: Graphically y = 0 is a straight LINE which is x - AXIS and y = - 7 is a straight line parallel to x - axis, 7 units below the origin therefore lines y = 0 and y = - 7 are parallel. ∴ They have no SOLUTION.

4.

The pair of equations y = 0 and y = –7 has *

Answer»

Step-by-step explanation:

Graphically y = 0 is a straight LINE which is x - AXIS and y = - 7 is a straight line parallel to x - axis, 7 units below the origin therefore lines y = 0 and y = - 7 are parallel. ∴ They have no SOLUTION.

Discussion

5.	Solve 4x(3-2x)+8 [x=-2]
Answer» SLOVE -- 5836 OK slovegg

Discussion

6.	Answer the following: 3/4 of x is 12
Answer» Answer: 16 Step-by-step explanation: 3/4 × x = 12 x = 12 × 4 / 3 x= 16 plz MARK me brainliest and plz follo.w me

6.

Answer the following: 3/4 of x is 12

Answer»

Answer:

16

Step-by-step explanation:

3/4 × x = 12

x = 12 × 4 / 3

x= 16

plz MARK me brainliest and plz follo.w me

Discussion

7.	Tick() the correct options. 1. Which of following is not an example of the hardware? (i) Scanner (ii) Plotter (iii) Joystick (iv) PowerPoint
Answer» (iv) POWERPOINT is the CORRECT ANSWER. Hope this will HELP you. *PLZ* *mark my answer as brainliest.*

7.

Tick() the correct options. 1. Which of following is not an example of the hardware? (i) Scanner (ii) Plotter (iii) Joystick (iv) PowerPoint

Answer»

(iv) POWERPOINT is the CORRECT ANSWER.

Hope this will HELP you.

PLZ mark my answer as brainliest.

Discussion

8.	Multiply : (i) 47.607 by 8
Answer» Answer: 380.856 Step-by-step EXPLANATION: HOPE it is HELPFUL

8.

Multiply : (i) 47.607 by 8

Answer»

Answer:

380.856

Step-by-step EXPLANATION:

HOPE it is HELPFUL

Discussion

9.	Find the value of my for which (2x-1) is a factor of 8x^4 + 4x^3 - 16x^2 + 10x + m
Answer» <P>Let p(X)=8x 4 +4x 3 −16x 2 +10x+m and g(x)=2x−1 Now, g(x)=2x−1 =>2x−1=0 =>x= 2 1 If g(x) is a FACTOR of p(x), then p( 2 1 ) must be 0 Thus, p( 2 1 )=0 =>8( 2 1 ) 4 +4( 2 1 ) 3 −16( 2 1 ) 2 +10( 2 1 )+m=0 => 16 8 + 8 4 − 4 16 +5+m=0 => 2 1 + 2 1 −4+5+m=0 =>1+1+m=0 =>m=−2

9.

Find the value of my for which (2x-1) is a factor of 8x^4 + 4x^3 - 16x^2 + 10x + m

Answer»

<P>Let p(X)=8x

4

+4x

3

−16x

2

+10x+m and g(x)=2x−1

Now, g(x)=2x−1

=>2x−1=0

=>x=

2

1

If g(x) is a FACTOR of p(x), then p(

2

1

) must be 0

Thus, p(

2

1

)=0

=>8(

2

1

)

4

+4(

2

1

)

3

−16(

2

1

)

2

+10(

2

1

)+m=0

=>

16

8

+

8

4

−

4

16

+5+m=0

=>

2

1

+

2

1

−4+5+m=0

=>1+1+m=0

=>m=−2

Discussion

10.	If X:2, y:3 then find the value of X+y
Answer» Answer: 5 Step-by-step EXPLANATION: GIVEN x=2 and y=3 to find x+y 2+3=5

10.

If X:2, y:3 then find the value of X+y

Answer»

Answer:

5

Step-by-step EXPLANATION:

GIVEN

x=2 and y=3

to find

x+y

2+3=5

Discussion

11.	In a quiz, Amey scored – 40 , 50 and 0 and Ria scored 50 , 0 and – 40 in 3 successive rounds. Who scored more ? What conclusion do you draw ?
Answer» ANSWER: AMEY scored more PLEASE mark me as a BRAINLIST

11.

In a quiz, Amey scored – 40 , 50 and 0 and Ria scored 50 , 0 and – 40 in 3 successive rounds. Who scored more ? What conclusion do you draw ?

Answer»

ANSWER:

AMEY scored more PLEASE mark me as a BRAINLIST

Discussion

12.	Prove that if two lines intersect, then the vertically opposite angles are equal.
Answer» ♠Answer♠ ∠COB=180∘−∠BOD ---(1). Now, let us consider the angles on the LINE AB. So, we get ∠COB+∠AOC=180∘ ---(2). ... So, we have PROVED that if two lines intersect each other, then the vertically opposite angles are EQUAL. Hope it's helpful for you And please mark me as brainlest

12.

Prove that if two lines intersect, then the vertically opposite angles are equal.

Answer»

♠Answer♠

∠COB=180∘−∠BOD ---(1). Now, let us consider the angles on the LINE AB. So, we get ∠COB+∠AOC=180∘ ---(2). ... So, we have PROVED that if two lines intersect each other, then the vertically opposite angles are EQUAL.

Hope it's helpful for you

And please mark me as brainlest

Discussion

13.	Estimate the value of √5 + √3 to the nearest tenth
Answer» ANSWER: to the NEAREST Tenth 3 1.7 5 2.2

13.

Estimate the value of √5 + √3 to the nearest tenth

Answer»

ANSWER:

to the NEAREST Tenth

3 1.7

5 2.2

Discussion

14.	Plese tell the correct answer
Answer» ANSWER: 0 Step-by-step EXPLANATION: PLEASE MARK me as BRAINLIST answer.

14.

Plese tell the correct answer

Answer»

ANSWER:

0

Step-by-step EXPLANATION:

PLEASE MARK me as BRAINLIST answer.

Discussion

15.	2.54---- 25.4 put >
Answer» Step-by-step explanation: 2.54 < 25.4 PLEASE MARK as BRAINALIST

15.

2.54---- 25.4 put >

Answer»

Step-by-step explanation:

2.54 < 25.4

PLEASE MARK as BRAINALIST

Discussion

16.	Water level in the well was 25m below the ground level. On a day during the rainyseason, the water level rises by 4m. The wall of the well is 1m 20cm high, and apulley is fixed at a height of 85 cm above the wall. Find the depth of the waterlevel from the pulley on that day.
Answer» Answer: 17m Step-by-step explanation: Answer: After water level rises 5 m above the PREVIOUS level, water level is now (20 - 5) = 15 m below the ground level. = 17 m

16.

Water level in the well was 25m below the ground level. On a day during the rainyseason, the water level rises by 4m. The wall of the well is 1m 20cm high, and apulley is fixed at a height of 85 cm above the wall. Find the depth of the waterlevel from the pulley on that day.

Answer»

Answer:

17m

Step-by-step explanation:

Answer: After water level rises 5 m above the PREVIOUS level, water level is now (20 - 5) = 15 m below the ground level. = 17 m

Discussion

17.	27 is a multiply of 3
Answer» Answer: 27×3 = 81 Step-by-step explanation: HOPE ITZ HELPS U no SPAM pls

17.

27 is a multiply of 3

Answer»

Answer:

27×3 = 81

Step-by-step explanation:

HOPE ITZ HELPS U no SPAM pls

Discussion

18.	A gardener has 2465 plants. He wants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.
Answer» Answer: Step-by-step explanation: Here, plants = 1000 Since the REMAINDER is 39. Therefore 31^2<100031 2 <1000 Next perfect square number 32^2=102432 2 =1024 Hence, number to be added = 1024 – 1000 = 24 \therefore1000+24=1024∴1000+24=1024 Hence, the gardener required 24 more plants.

18.

A gardener has 2465 plants. He wants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.

Answer»

Answer:

Step-by-step explanation:

Here, plants = 1000

Since the REMAINDER is 39.

Therefore 31^2<100031

2

<1000

Next perfect square number 32^2=102432

2

=1024

Hence, number to be added

= 1024 – 1000 = 24

\therefore1000+24=1024∴1000+24=1024

Hence, the gardener required 24 more plants.

Discussion

19.	B) (81)0.25 (25)9.5-
Answer» Answer: (a)20.25 (B) 237.5 Step-by-step explanation: mark me as BRAINLIEST if POSSIBLE

19.

B) (81)0.25 (25)9.5-

Answer»

Answer:

(a)20.25

(B) 237.5

Step-by-step explanation:

mark me as BRAINLIEST if POSSIBLE

Discussion

20.	By what number should we multiply 2^-4 si that the product is 2^27
Answer» MARK me as BRILLIANT PLEASE

Discussion

21.	Answer this i will maek as brainlist or virified answer.
Answer» ANSWER: a)To cower b)toil d)PATRIARCH

21.

Answer this i will maek as brainlist or virified answer.

Answer»

ANSWER:

a)To cower

b)toil

d)PATRIARCH

Discussion

22.	3 famous indian mathmatician names and their info
Answer» Answer: Aryabhatta PRECIPITATION is water released from clouds in the form of rain, freezing rain, SLEET, snow, or hail. It is the primary connection in the water cycle that PROVIDES for the delivery of ATMOSPHERIC water to the Earth. Most precipitation falls as rain.

22.

3 famous indian mathmatician names and their info

Answer»

Answer:

Aryabhatta

PRECIPITATION is water released from clouds in the form of rain, freezing rain, SLEET, snow, or hail. It is the primary connection in the water cycle that PROVIDES for the delivery of ATMOSPHERIC water to the Earth. Most precipitation falls as rain.

Discussion

23.	Determine the sum of two integers whose sum is 7 and difference is -7
Answer» ANSWER: PLEASE MARK BRAINLIEST ANSWERS

23.

Determine the sum of two integers whose sum is 7 and difference is -7

Answer»

ANSWER:

PLEASE MARK BRAINLIEST ANSWERS

Discussion

24.	द फॉलोइंग नंबर सुन नॉट परफेक्ट स्क्वायरव्हाट विल बी द इमेजेस ऑफ द स्क्वायर ऑफ द फॉलोइंग नंबर 7583
Answer» Answer: ADULT great Indian bustards have few natural enemies, but they display considerable agitation around certain PREDATORY birds, such as eagles and EGYPTIAN vultures (Neophron percnopterus). The only ANIMALS that have been observed to attack them are gray wolves (Canis lupus).

24.

द फॉलोइंग नंबर सुन नॉट परफेक्ट स्क्वायरव्हाट विल बी द इमेजेस ऑफ द स्क्वायर ऑफ द फॉलोइंग नंबर 7583

Answer»

Answer:

ADULT great Indian bustards have few natural enemies, but they display considerable agitation around certain PREDATORY birds, such as eagles and EGYPTIAN vultures (Neophron percnopterus). The only ANIMALS that have been observed to attack them are gray wolves (Canis lupus).

Discussion

25.	In the figure 'o' is the centre of the circle . IF AB=BC .Prove that angle AOB = angle BOC . If OA= AB=BC, then find the volume of Angle AOB and angle BOC ? Find out how many equilateral triangles can be drawn in a circle with length of its side is radiusPlease give the correct answer
Answer» Step-by-step EXPLANATION: Ao can you how MANY EQUILATERAL TRIANGLES can be drawn in a CIRCLE with length of its side is radius Please give the correct answer

25.

In the figure 'o' is the centre of the circle . IF AB=BC .Prove that angle AOB = angle BOC . If OA= AB=BC, then find the volume of Angle AOB and angle BOC ? Find out how many equilateral triangles can be drawn in a circle with length of its side is radiusPlease give the correct answer

Answer»

Step-by-step EXPLANATION:

Ao can you how MANY EQUILATERAL TRIANGLES can be drawn in a CIRCLE with length of its side is radius

Please give the correct answer

Discussion

26.	Find three rational number between 1/7 and 3/7.
Answer» Step-by-step EXPLANATION: Hi there !! Three RATIONAL NUMBER between 1/7 and 3/7 Now, denominator are ALREADY same.So, we multiply by ten. And, Hence, numbers are 11/70 , 12/70 and 13/70 Thankyou :) PLEASE mark as brainliest :)

26.

Find three rational number between 1/7 and 3/7.

Answer»

Step-by-step EXPLANATION:

Hi there !!

Three RATIONAL NUMBER between 1/7 and 3/7

Now, denominator are ALREADY same.So, we multiply by ten.

And,

Hence, numbers are 11/70 , 12/70 and 13/70

Thankyou :)

PLEASE mark as brainliest :)

Discussion

27.	Find the value of the following using whole number property :a) 54279×92+8×54279 b) 81265×169-81265×69Note : Please mention the steps of how you did .
Answer» ANSWER: it is ASSOCIATIVE PROPERTY

27.

Find the value of the following using whole number property :a) 54279×92+8×54279 b) 81265×169-81265×69Note : Please mention the steps of how you did .

Answer»

ANSWER:

it is ASSOCIATIVE PROPERTY

Discussion

28.	An angle of a parallelogram is of measure 85°. Find all the angles of the parallelogram
Answer» so if the TOTAL interrior ANGLE SUM is 360 so the ADJACENT angle is ALSO 85° so, 85+85+2x=360 170+2x=360 2x=190 x= 190/2 95°

28.

An angle of a parallelogram is of measure 85°. Find all the angles of the parallelogram

Answer»

so if the TOTAL interrior ANGLE SUM is 360

so the ADJACENT angle is ALSO 85°

so, 85+85+2x=360

170+2x=360

2x=190

x= 190/2

95°

Discussion

29.	Express 0.3 in the form of p q , where p and q are integers and q ≠ 0.
Answer» ANSWER: ANSWER IS 3/10 PLEASE MARK ME AS BRAINILIST

29.

Express 0.3 in the form of p q , where p and q are integers and q ≠ 0.

Answer»

ANSWER:

ANSWER IS 3/10

PLEASE MARK ME AS BRAINILIST

Discussion

30.	1. Find:2(a) 2+2+3(b) 4+2(e) 5 = 4(C)(=5(d)
Answer» ANSWER: a.7 B. 6 C. 3+2=5 e.1-5=4

30.

1. Find:2(a) 2+2+3(b) 4+2(e) 5 = 4(C)(=5(d)

Answer»

ANSWER:

a.7

B. 6

C. 3+2=5

e.1-5=4

Discussion

31.	If p(x)=x² – 5x+6 then find the value of p(-1).
Answer» Answer: 12 Step-by-step EXPLANATION: x^2=1 -5x=5 1+5+6=12 PLS MAKE ME AS BRAINIEST

31.

If p(x)=x² – 5x+6 then find the value of p(-1).

Answer»

Answer:

12

Step-by-step EXPLANATION:

x^2=1

-5x=5

1+5+6=12

PLS MAKE ME AS BRAINIEST

Discussion

32.	376cm=___km what's the answer
Answer» ANSWER: 0•00376 is the CORRECT answer

32.

376cm=___km what's the answer

Answer»

ANSWER:

0•00376 is the CORRECT answer

Discussion

33.	The value of 3/4 of 6 is
Answer» ANSWER: Step-by-step EXPLANATION: LCM OF 4 AND 6 =36/24+54/24 =18/24+20/24 =28/24 =7/6

33.

The value of 3/4 of 6 is

Answer»

ANSWER:

Step-by-step EXPLANATION:

LCM OF 4 AND 6

=3*6/24+5*4/24

=18/24+20/24

=28/24

=7/6

Discussion

34.	1 by 2 minus 1 by 4 =to
Answer» have a NICE DAY KEEP on ANSWERING

Discussion

35.	Find the multiplicative inverse of – 3/5 is _______. a) 5/3 b) -5/3 c) 3/5
Answer» ANSWER: - 5/3 PLZ MARK me BRAINLIEST and plz follo.w me

35.

Find the multiplicative inverse of – 3/5 is _______. a) 5/3 b) -5/3 c) 3/5

Answer»

ANSWER:

- 5/3

PLZ MARK me BRAINLIEST and plz follo.w me

Discussion

36.	Side of a triangle is 1 by 2 cm what is the perimeter of the triangle
Answer» ANSWER: DJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ ALOK DJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ Alok

36.

Side of a triangle is 1 by 2 cm what is the perimeter of the triangle

Answer»

ANSWER:

DJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ ALOK

DJ AlokDJ AlokDJ AlokDJ AlokDJ AlokDJ Alok

Discussion

37.	The breadth of a rectangular cardboard is 2/7 times its length. If the perimeter of the cardboard is 144 cm, find the dimensions of the cardboard.
Answer» ANSWER: Adult great Indian bustards have few NATURAL enemies, but they display considerable AGITATION around certain predatory BIRDS, such as eagles and Egyptian vultures (Neophron percnopterus). The only animals that have been observed to attack them are GRAY wolves (Canis lupus).

37.

The breadth of a rectangular cardboard is 2/7 times its length. If the perimeter of the cardboard is 144 cm, find the dimensions of the cardboard.

Answer»

ANSWER:

Adult great Indian bustards have few NATURAL enemies, but they display considerable AGITATION around certain predatory BIRDS, such as eagles and Egyptian vultures (Neophron percnopterus). The only animals that have been observed to attack them are GRAY wolves (Canis lupus).

Discussion

38.	SOLVE ITGENIUS step by step explanation
Answer» ANSWER: Here is the STEP by step EXPLANATION.

38.

SOLVE ITGENIUS step by step explanation

Answer»

ANSWER:

Here is the STEP by step EXPLANATION.

Discussion

39.	Please answer me by correct explanation but easy to understand.Direct and hard answers will be reported.But please one by one and will be easy to understand. E.g.:1. 2/5 because.2. 45/88 because
Answer» Answer: 5/2biteah UNDERSTAND will be BACK

39.

Please answer me by correct explanation but easy to understand.Direct and hard answers will be reported.But please one by one and will be easy to understand. E.g.:1. 2/5 because.2. 45/88 because

Answer»

Answer:

5/2biteah UNDERSTAND will be BACK

Discussion

40.	Solve: (-8)^3 + (5)^3 + (3)^3
Answer» ANSWER: (-8)^3+(5)^3+(3)^3 = -360

40.

Solve: (-8)^3 + (5)^3 + (3)^3

Answer»

ANSWER:

(-8)^3+(5)^3+(3)^3

= -360

Discussion

41.	Find the volume of the right circular cylinder has the base radius of 21m and height 14m.
Answer» ANSWER: V=πr²h =22/7(21)²14 =22/7×441×14 =19404m³

41.

Find the volume of the right circular cylinder has the base radius of 21m and height 14m.

Answer»

ANSWER:

V=πr²h

=22/7(21)²14

=22/7×441×14

=19404m³

Discussion

42.	Pura chand chamkta dekh kar lekhak ke man ME kya vichar aaya
Answer» Answer: yah chand BAHUT SUNDAR HAI is par KAVITA likhni PADEGI

42.

Pura chand chamkta dekh kar lekhak ke man ME kya vichar aaya

Answer»

Answer:

yah chand BAHUT SUNDAR HAI is par KAVITA likhni PADEGI

Discussion

43.	Pls Answer This Question ⁉️⁉️ it's UrgentNO COPYRIGHT ❌NO SPAM ❌NO IRRELEVANT ANSWERS ❌
Answer» ANSWER: Ur answer is 4th option explanation ATTACHMENT Mai H

43.

Pls Answer This Question ⁉️⁉️ it's UrgentNO COPYRIGHT ❌NO SPAM ❌NO IRRELEVANT ANSWERS ❌

Answer»

ANSWER:

Ur answer is 4th option

explanation ATTACHMENT Mai H

Discussion

44.	What is perimeter of90
Answer» ANSWER: perimeter is the MEASUREMENT of its outer most boundry it is measured in 2D figures but there is not any information to FIND perimeter

44.

What is perimeter of90

Answer»

ANSWER:

perimeter is the MEASUREMENT of its outer most boundry

it is measured in 2D figures

but there is not any information to FIND perimeter

Discussion

45.	Define the polynomial and classity it
Answer» Answer: Polynomials are sums of terms of the FORM K⋅xⁿ, where k is any number and n is a positive integer. For example, 3x+2x-5 is a polynomial. Introduction to polynomials. This video COVERS common terminology like terms, degree, standard form, monomial, BINOMIAL and trinomial. Polynomials are classified according to their number of terms. 4x3 +3y + 3x2 has three terms, -12zy has 1 term, and 15 - x2 has two terms. As already mentioned, a polynomial with 1 term is a monomial. A polynomial with two terms is a binomial, and a polynomial with three terms is a trinomial . Step-by-step explanation:

45.

Define the polynomial and classity it

Answer»

Answer: Polynomials are sums of terms of the FORM K⋅xⁿ, where k is any number and n is a positive integer. For example, 3x+2x-5 is a polynomial. Introduction to polynomials. This video COVERS common terminology like terms, degree, standard form, monomial, BINOMIAL and trinomial.

Polynomials are classified according to their number of terms. 4x3 +3y + 3x2 has three terms, -12zy has 1 term, and 15 - x2 has two terms. As already mentioned, a polynomial with 1 term is a monomial. A polynomial with two terms is a binomial, and a polynomial with three terms is a trinomial .

Step-by-step explanation:

Discussion

46.	Fill in the blanks and name the property useda) (-3)×{5+(-6)}=(-3)×(5)+(-6)×(____)
Answer» ANSWER: -3 is the answer and the PROPERTY USED here is DISTRIBUTIVE property

46.

Fill in the blanks and name the property useda) (-3)×{5+(-6)}=(-3)×(5)+(-6)×(____)

Answer»

ANSWER:

-3 is the answer and the PROPERTY USED here is DISTRIBUTIVE property

Discussion

47.	In the figure 'o' is the centre of the circle . IF AB=BC .Prove that angle AOB = angle BOC . If OA= AB=BC, then find the volume of Angle AOB and angle BOC ? Find out how many equilateral triangles can be drawn in a circle with length of its side is radius
Answer» ANSWER: Given: AB and AC are two equal chords of a CIRCLE with centre O. OP⊥AB and OQ⊥AC. To prove: PB=QC Proof: OP⊥AB ⇒AM=MB .... (perpendicular from centre bisects the chord)....(i) SIMILARLY, AN=NC....(ii) But, AB=AC ⇒ 2 AB = 2 AC ⇒MB=NC ...(iii) ( From (i) and (ii) ) Also, OP=OQ (Radii of the circle) and OM=ON (Equal chords are equidistant from the centre) ⇒OP−OM=OQ−ON ⇒MP=NQ ....(iv) (From figure) In ΔMPB and ΔNQC, we have ∠PMB=∠QNC (Each =90 ∘ ) MB=NC ( From (iii) ) MP=NQ ( From (iv) ) ∴ΔPMB≅ΔQNC (SAS) ⇒PB=QC (CPCT) Step-by-step explanation: please mark as brainliest

47.

In the figure 'o' is the centre of the circle . IF AB=BC .Prove that angle AOB = angle BOC . If OA= AB=BC, then find the volume of Angle AOB and angle BOC ? Find out how many equilateral triangles can be drawn in a circle with length of its side is radius

Answer»

ANSWER:

Given: AB and AC are two equal chords of a CIRCLE with centre O.

OP⊥AB and OQ⊥AC.

To prove: PB=QC

Proof: OP⊥AB

⇒AM=MB .... (perpendicular from centre bisects the chord)....(i)

SIMILARLY, AN=NC....(ii)

But, AB=AC

⇒

2

AB

=

2

AC

⇒MB=NC ...(iii) ( From (i) and (ii) )

Also, OP=OQ (Radii of the circle)

and OM=ON (Equal chords are equidistant from the centre)

⇒OP−OM=OQ−ON

⇒MP=NQ ....(iv) (From figure)

In ΔMPB and ΔNQC, we have

∠PMB=∠QNC (Each =90

∘

)

MB=NC ( From (iii) )

MP=NQ ( From (iv) )

∴ΔPMB≅ΔQNC (SAS)

⇒PB=QC (CPCT)

Step-by-step explanation:

please mark as brainliest

Discussion

48.	Factorise using suitable identity: 1 – 64a 3
Answer» ANSWER: ${\huge{\boxed{\mathcal{\orange{Gd mrng}}}}}$

48.

Factorise using suitable identity: 1 – 64a 3

Answer»

ANSWER:

${\huge{\boxed{\mathcal{\orange{Gd mrng}}}}}$

Discussion

49.	Simplify -[-{-(-x)}]-[x+{x-(y-z)}]
Answer» 3x-y+z Step-by-step EXPLANATION: *hope* it help u out please MARK it BRAINLIEST and FOLLOW me

49.

Simplify -[-{-(-x)}]-[x+{x-(y-z)}]

Answer»

3x-y+z

Step-by-step EXPLANATION:

hope it help u out please MARK it BRAINLIEST and FOLLOW me

Discussion

50.	7/3 +8/5 can ans please
Answer» Answer: 7/3 + 8/5 LCM is 15. so, (7/3 ×5/5) + (8/5 × 3/3) 35/15 + 24/15 59/15 $3\frac{14}{15}$ hope it HELPS!!

50.

7/3 +8/5 can ans please

Answer»

Answer:

7/3 + 8/5

LCM is 15.

so, (7/3 ×5/5) + (8/5 × 3/3)

35/15 + 24/15

59/15

$3\frac{14}{15}$

hope it HELPS!!

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