332354 + Interview Questions in Secondary School in Math

1.	Find decimal expansion of 17/9
Answer» ANSWER: 1.4 is the answer for this above QUESTION

1.

Find decimal expansion of 17/9

Answer»

ANSWER:

1.4 is the answer for this above QUESTION

Discussion

2.	If the diameter of a men’s basketball is 10 inches and a women’s is 9 inches, what is the approximate difference of their volumes?
Answer» Answer: jeyfwnyrleyjTygrrkyatt umdufkdgdtdhst the best TIME I was thinking that I have to GO BACK on TOPIC is a bit too late in your 7

2.

If the diameter of a men’s basketball is 10 inches and a women’s is 9 inches, what is the approximate difference of their volumes?

Answer»

Answer:

jeyfwnyrleyjTygrrkyatt umdufkdgdtdhst the best TIME I was thinking that I have to GO BACK on TOPIC is a bit too late in your 7

Discussion

3.	The remainder when x3-2x2-4x+3 is divided by x+1
Answer» ANSWER: THEREFORE, the REMAINDER is -1

3.

The remainder when x3-2x2-4x+3 is divided by x+1

Answer»

ANSWER:

THEREFORE, the REMAINDER is -1

Discussion

4.	Find by using suitable property 8into 475into125
Answer» ANSWER: 475,000 is the answer by USING PROPERTY

4.

Find by using suitable property 8into 475into125

Answer»

ANSWER:

475,000 is the answer by USING PROPERTY

Discussion

5.	The difference between compound interest, compounded semi annually and simpleinterest on `400 at 10% p.a. for one year.
Answer» Step-by-step EXPLANATION: this is ANSWER of your QUESTION

5.

The difference between compound interest, compounded semi annually and simpleinterest on `400 at 10% p.a. for one year.

Answer»

Step-by-step EXPLANATION:

this is ANSWER of your QUESTION

Discussion

6.	Please solve this question fast!
Answer» ANSWER: I HOPE this is the answer.

6.

Please solve this question fast!

Answer»

ANSWER:

I HOPE this is the answer.

Discussion

7.	5x + 2a - 3=9 (x=-5)
Answer» ANSWER: 37/2 is the answer for this above QUESTION

7.

5x + 2a - 3=9 (x=-5)

Answer»

ANSWER:

37/2 is the answer for this above QUESTION

Discussion

8.	SUM OF ROOTS OF EQUATION 3*2-7x+11=0
Answer» 3x2-7x-11=0 Two solutions were found : x =(7-√181)/6=-1.076 x =(7+√181)/6= 3.409 Step by step solution : Step 1 : Equation at the end of step 1 : (3x2 - 7x) - 11 = 0 Step 2 : Trying to FACTOR by splitting the middle term 2.1 Factoring 3x2-7x-11 The first term is, 3x2 its coefficient is 3 . The middle term is, -7x its coefficient is -7 . The last term, "the CONSTANT", is -11 Step-1 : Multiply the coefficient of the first term by the constant 3 • -11 = -33 Step-2 : Find two factors of -33 whose sum equals the coefficient of the middle term, which is -7 . -33 + 1 = -32 -11 + 3 = -8 -3 + 11 = 8 -1 + 33 = 32 Observation : No two such factors can be found !! Conclusion : Trinomial can not be factored Equation at the end of step 2 : 3x2 - 7x - 11 = 0 Step 3 : Parabola, Finding the Vertex : 3.1 Find the Vertex of y = 3x2-7x-11 plzz mark me on brainlist FOLLOW me & follow itz cutie girl

8.

SUM OF ROOTS OF EQUATION 3*2-7x+11=0

Answer»

3x2-7x-11=0

Two solutions were found :

x =(7-√181)/6=-1.076

x =(7+√181)/6= 3.409

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(3x2 - 7x) - 11 = 0

Step 2 :

Trying to FACTOR by splitting the middle term

2.1 Factoring 3x2-7x-11

The first term is, 3x2 its coefficient is 3 .

The middle term is, -7x its coefficient is -7 .

The last term, "the CONSTANT", is -11

Step-1 : Multiply the coefficient of the first term by the constant 3 • -11 = -33

Step-2 : Find two factors of -33 whose sum equals the coefficient of the middle term, which is -7 .

-33 + 1 = -32

-11 + 3 = -8

-3 + 11 = 8

-1 + 33 = 32

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Equation at the end of step 2 :

3x2 - 7x - 11 = 0

Step 3 :

Parabola, Finding the Vertex :

3.1 Find the Vertex of y = 3x2-7x-11

plzz mark me on brainlist FOLLOW me & follow itz cutie girl

Discussion

9.	A bank is open for business from 9:30 in the morning to 3:30 in the afternoon . How long is it open?
Answer» Answer: The bank is open for 6 hours. Step-by-step explanation: PLZ MARK it as brainliest.

9.

A bank is open for business from 9:30 in the morning to 3:30 in the afternoon . How long is it open?

Answer»

Answer:

The bank is open for 6 hours.

Step-by-step explanation:

PLZ MARK it as brainliest.

Discussion

10.	1,2,4/3,7/3,196/99,? What's next answer with explanation.
Answer» 38416/9081 Step-by-step EXPLANATION: only we MULTIPLY the NUMBERS into DOUBLE

10.

1,2,4/3,7/3,196/99,? What's next answer with explanation.

Answer»

38416/9081

Step-by-step EXPLANATION:

only we MULTIPLY the NUMBERS into DOUBLE

Discussion

11.	A teacher gave 13marks to one student and 12marks to another student in one exam can you tell TIME by using above sentence ????
Answer» Answer: 1hour is the answer Step-by-step EXPLANATION: FOLLOW me PLEASE

11.

A teacher gave 13marks to one student and 12marks to another student in one exam can you tell TIME by using above sentence ????

Answer»

Answer:

1hour is the answer

Step-by-step EXPLANATION:

FOLLOW me PLEASE

Discussion

12.	Create 2 rectangles which has perimeter 20 units
Answer» Answer: 1)SIDE ab=4,bc=6,ca=10 2)sideab=10,bc=5,ca=5

12.

Create 2 rectangles which has perimeter 20 units

Answer»

Answer:

1)SIDE ab=4,bc=6,ca=10

2)sideab=10,bc=5,ca=5

Discussion

13.	find the area of a triangle with perimeter 22cm , one side is 9 cm and difference of other two sides is 7 cm
Answer» Answer: Step-by-step EXPLANATION: LET the sides be a,b,c a+b+c=22 is given Case 1 Let b = 9cm And a-c=7cm So we GET a=10cm,b=9,c=3cm This triangle is POSSIBLE since it follows the triangle law Area will be according to herons formula √(11×1×2×8) area=4√11 sq.cm Pleas let me know if the above SOLUTION is understandable.

13.

find the area of a triangle with perimeter 22cm , one side is 9 cm and difference of other two sides is 7 cm

Answer»

Answer:

Step-by-step EXPLANATION:

LET the sides be a,b,c

a+b+c=22 is given

Case 1

Let b = 9cm

And a-c=7cm

So we GET a=10cm,b=9,c=3cm

This triangle is POSSIBLE since it follows the triangle law

Area will be according to herons formula

√(11×1×2×8)

area=4√11 sq.cm

Pleas let me know if the above SOLUTION is understandable.

Discussion

14.	Three angles of a quadrilateral are in the ratio 2:3:4. The sum of the least and the greatest of these three angles is equal to 180o. Find all the angles of this quadrilateral.
Answer» let the angles be 2x,3x and 4x sum of the LEAST and the GREATEST is 2x+4x=180 6x=180 x=30 then the angles are- 2×30=60, 3×30=90 and 4×30=120 let the last ANGLE be y then 60+90+120+y=360 270+y=360 y=90

14.

Three angles of a quadrilateral are in the ratio 2:3:4. The sum of the least and the greatest of these three angles is equal to 180o. Find all the angles of this quadrilateral.

Answer»

let the angles be 2x,3x and 4x

sum of the LEAST and the GREATEST is 2x+4x=180

6x=180

x=30

then the angles are- 2×30=60, 3×30=90 and 4×30=120

let the last ANGLE be y

then 60+90+120+y=360

270+y=360

y=90

Discussion

15.	A car runs 16 km using 1 l of petrol. Uow much distance will it cover using 2 3/4 liters of petrol
Answer» Answer: 36km Step-by-step EXPLANATION: DOUBLE 1 l equal 32KM, 16/4=4 so 32+4=36km

15.

A car runs 16 km using 1 l of petrol. Uow much distance will it cover using 2 3/4 liters of petrol

Answer»

Answer:

36km

Step-by-step EXPLANATION:

DOUBLE 1 l equal 32KM, 16/4=4 so 32+4=36km

Discussion

16.	Square root of 47089 by prime factorisation
Answer» HEY mate here is UR ANSWER ☺️❤️ Hope it helps u mate ❤️❤️☺️ If u LIKE my answer mark it as a brainlist ☺️☺️❤️❤️ Follow me ❤️❤️☺️☺️

16.

Square root of 47089 by prime factorisation

Answer»

HEY mate here is UR ANSWER ☺️❤️

Hope it helps u mate ❤️❤️☺️

If u LIKE my answer mark it as a brainlist ☺️☺️❤️❤️

Follow me ❤️❤️☺️☺️

Discussion

17.	2,6,10,14,18,22,26, 30,34,38,42,46,50, 54,58☝इसमे की किसी भी 3 संख्याओं का जोड़ 60 आना चाहिए,अब देखते है कौन कौन इसका उत्तर बता सकते है...???
Answer» उत्तर : दी गई सूची में से किसी भी तीन संख्या को जोड़कर 60 प्राप्त करना संभव नहीं है। लेकिन, '+' के साथ किसी अन्य ऑपरेशन का उपयोग करके, हम उत्तर ला सकते हैं। जैसे की : 50 + √(54 + 46) = 50 + √100 = 50 + 10 = 60 54 + √(30 + 6) = 54 + √36 = 54 + 6 = 60 6! ÷ (10 + 2) = (6 x 5 x 4 x 3 x 2 x 1) / 12 = 5 x 4 x 3 = 60 और अधिक जानें : 1) 4 18 78 294 858 explain this series brainly.in/question/9606365 2) What is the next NUMBER 5,18,15,26,41 brainly.in/question/12570338

17.

2,6,10,14,18,22,26, 30,34,38,42,46,50, 54,58☝इसमे की किसी भी 3 संख्याओं का जोड़ 60 आना चाहिए,अब देखते है कौन कौन इसका उत्तर बता सकते है...???

Answer»

उत्तर :

दी गई सूची में से किसी भी तीन संख्या को जोड़कर 60 प्राप्त करना संभव नहीं है।

लेकिन, '+' के साथ किसी अन्य ऑपरेशन का उपयोग करके, हम उत्तर ला सकते हैं।

जैसे की :

50 + √(54 + 46) = 50 + √100 = 50 + 10 = 60

54 + √(30 + 6) = 54 + √36 = 54 + 6 = 60

6! ÷ (10 + 2) = (6 x 5 x 4 x 3 x 2 x 1) / 12 = 5 x 4 x 3 = 60

और अधिक जानें :

1) 4 18 78 294 858 explain this series

brainly.in/question/9606365

2) What is the next NUMBER 5,18,15,26,41

brainly.in/question/12570338

Discussion

18.	The TSA of a cube is 96cm square. Find the edge and volume of the cube
Answer» Answer: TSA of cube = 6a^2 = 96 a^2 = 16 a = 4 CM

18.

The TSA of a cube is 96cm square. Find the edge and volume of the cube

Answer»

Answer:

TSA of cube = 6a^2 = 96

a^2 = 16

a = 4 CM

Discussion

19.	Counting by twos write the numerals from 5023 to 5033
Answer» ANSWER: brutgdhdh fhfgff HF FU

19.

Counting by twos write the numerals from 5023 to 5033

Answer»

ANSWER:

brutgdhdh fhfgff HF FU

Discussion

20.	If a and b are disjoint sets then what will be (a intersection b)'=?
Answer» Answer: If a and B are disjoint sets then (a intersection b)'=U where u is an universal SET..........

20.

If a and b are disjoint sets then what will be (a intersection b)'=?

Answer»

Answer:

If a and B are disjoint sets then (a intersection b)'=U where u is an universal SET..........

Discussion

21.	Three numbers are in the ratio of 11 : 13 : 15. The largest number is 36 less than the sum of other two numbers. What is the smallest of the three numbers?
Answer» Answer: 44. Step-by-step explanation: Let the numbers be a, b and c. 11 + 13 = 24 = d 11:13:15:24 24 - 15 = 9 9x = 36 x = 4 44:52:60:96 The smallest number is 44.

21.

Three numbers are in the ratio of 11 : 13 : 15. The largest number is 36 less than the sum of other two numbers. What is the smallest of the three numbers?

Answer»

Answer:

44.

Step-by-step explanation:

Let the numbers be a, b and c.

11 + 13 = 24 = d

11:13:15:24

24 - 15 = 9

9x = 36

x = 4

44:52:60:96

The smallest number is 44.

Discussion

22.	3/4x1/2-7/8-1/2x3/2 Solve
Answer» ANSWER: I HOPE it is CORRECT answer FOLLOW me

22.

3/4x1/2-7/8-1/2x3/2 Solve

Answer»

ANSWER:

I HOPE it is CORRECT answer

FOLLOW me

Discussion

23.	Find the cubes of 13
Answer» Answer: 2197 Step-by-step explanation: 131313= 2197....

23.

Find the cubes of 13

Answer»

Answer:

2197

Step-by-step explanation:

13*13*13= 2197....

Discussion

24.	Solve equation by formula method:2x = 5 - 4x
Answer» Step-by-step explanation: 2x = 5-4X 2x +4x = 5 6x = 5 X = 5/6 Answer= x= 5/6 # mark it as the BRAINLIEST # follow me # thank TOH kardo BHAI

24.

Solve equation by formula method:2x = 5 - 4x

Answer»

Step-by-step explanation:

2x = 5-4X

2x +4x = 5

6x = 5

X = 5/6

Answer=

x= 5/6

# mark it as the BRAINLIEST

# follow me

# thank TOH kardo BHAI

Discussion

25.	Sides of a triangle are in the ratio 12;17:25 and its perimeter is 540cm. find its area...?
Answer» $\huge \underline{ \mathbb{SOLUTION:-}}$ Given: Sides of a TRIANGLE are in the ratio of 12:17:25 Perimeter of the triangle is 540cm Need to find: Area of the triangle STEP by step explanation: a = 12x b = 17x c = 25X Perimeter = 540cm a+b+c = 540 12x + 17x + 25x = 540 $\large \implies{54x = 540}$ $\large \implies{x = \frac{540}{54}} \\ \large \implies{x = 10}$ Therefore, sides are - a = 10×12 = 120cm b = 10×17 = 170cm c= 25×10 = 250cm Area of ∆ $\small \implies{ \sqrt{s(s - a)(s - b)(s - c)}} \\ \small \implies{ \sqrt{270(270 - 120)(270 - 170)(270 - 250)}}$ $\small \implies{ \sqrt{270(150)(100)(20)}} \\ \small \implies{ \sqrt{81000000}} \\ \small \implies{\bold{9000 {cm}^{2} }}$

25.

Sides of a triangle are in the ratio 12;17:25 and its perimeter is 540cm. find its area...?

Answer»

$\huge \underline{ \mathbb{SOLUTION:-}}$

Given:

Sides of a TRIANGLE are in the ratio of 12:17:25
Perimeter of the triangle is 540cm

Need to find:

Area of the triangle

STEP by step explanation:

a = 12x

b = 17x

c = 25X

Perimeter = 540cm

a+b+c = 540

12x + 17x + 25x = 540

$\large \implies{54x = 540}$

$\large \implies{x = \frac{540}{54}} \\ \large \implies{x = 10}$

Therefore, sides are -

a = 10×12 = 120cm

b = 10×17 = 170cm

c= 25×10 = 250cm

Area of ∆ $\small \implies{ \sqrt{s(s - a)(s - b)(s - c)}} \\ \small \implies{ \sqrt{270(270 - 120)(270 - 170)(270 - 250)}}$

$\small \implies{ \sqrt{270(150)(100)(20)}} \\ \small \implies{ \sqrt{81000000}} \\ \small \implies{\bold{9000 {cm}^{2} }}$

Discussion

26.	The equation from half of 5 times of a number is 20 can we written as ___
Answer» ANSWER: cauohed gwrop fayiov Step-by-step EXPLANATION: fdahk FAROK deyk hdsil 631;#158;'

26.

The equation from half of 5 times of a number is 20 can we written as ___

Answer»

ANSWER:

cauohed gwrop fayiov

Step-by-step EXPLANATION:

fdahk FAROK deyk hdsil 631;#158;'

Discussion

27.	Subtract (38,005-29,375) nearest thousand?
Answer» the NEAREST THOUSAND is 9000

Discussion

28.	F one the cubes of 13
Answer» HEY...I THINK this is not a COMPLETE QUESTION.

Discussion

29.	3×[-5 + x ] = 3×(-5)+
Answer» 3(-5 + X) = 3(-5) + 3(x) ☺☺

29.

3×[-5 + x ] = 3×(-5)+

Answer»

3(-5 + X) = 3(-5) + 3(x)

☺☺

Discussion

30.	Please solve the following puzzle
Answer» HOPE this helps you. PLS mark my ans as BRAINLIEST

Discussion

31.	Please answer any of these questions:
Answer» Answer: 8 Step-by-step EXPLANATION:

31.

Please answer any of these questions:

Answer»

Answer:

8

Step-by-step EXPLANATION:

Discussion

32.	36(-52)-16 how to solve
Answer» the ANSWER is -1888 hope this helps you if please mark my ANS as BRAINLIEST please

32.

36(-52)-16 how to solve

Answer»

the ANSWER is -1888

hope this helps you if please mark my ANS as BRAINLIEST please

Discussion

33.	(a-b)/ab=1/b-1/a verify it
Answer» ANSWER: PLEASE MARK me BRAINLIEST and FOLLOW me dude

33.

(a-b)/ab=1/b-1/a verify it

Answer»

ANSWER:

PLEASE MARK me BRAINLIEST and FOLLOW me dude

Discussion

34.	Rearrange suitably and find the sum.1/2+-3/5+3/2
Answer» ANSWER: 7/5 is the answer for this above QUESTION

34.

Rearrange suitably and find the sum.1/2+-3/5+3/2

Answer»

ANSWER:

7/5 is the answer for this above QUESTION

Discussion

35.	If in an A.P a3=12 and a6=33 then find s10
Answer» Answer: given, a3 =12 then, a+2d = 12 ------(eq1) and a +5d = 33 -----(eq2) solve 1 and 2 then you will get d value and substitute it in either eqns 1 and 2 you will get the value of a and d now S10 = 10/2 ×2a + (n -1) d solve it then you will get the answer Step-by-step explanation: PLSE... MARK ME AS BRAINLIEST

35.

If in an A.P a3=12 and a6=33 then find s10

Answer»

Answer:

given,

a3 =12

then, a+2d = 12 ------(eq1)

and a +5d = 33 -----(eq2)

solve 1 and 2

then you will get d value

and substitute it in either eqns 1 and 2

you will get the value of a and d

now S10 = 10/2 ×2a + (n -1) d

solve it then you will get the answer

Step-by-step explanation:

PLSE... MARK ME AS BRAINLIEST

Discussion

36.	38,005 nearest thousand?
Answer» Answer: *38000* Step-by-step EXPLANATION: ~*FOLLOW* me *please* *and* *Mark* as *brainliest* *I'm* *TANNU* *RANA* ♥

36.

38,005 nearest thousand?

Answer»

Answer:

38000

Step-by-step EXPLANATION:

~FOLLOW me please and Mark as brainliest I'm TANNU RANA ♥

Discussion

37.	A polynomial p(x) is such that p(t) = 0, then the zero of p(x) is
Answer» Answer: 0 Step-by-step EXPLANATION:

37.

A polynomial p(x) is such that p(t) = 0, then the zero of p(x) is

Answer»

Answer:

0

Step-by-step EXPLANATION:

Discussion

38.	Pouling’s electro negativity is based an
Answer» Answer: hdhehwjjqjqjqjq Step-by-step explanation: uehehw nsjs sbuwnay to you DEAR FRIEND I am your TIME and soap OPERA singer of UTTARAKHAND a very happy returns of the day before a meal a day before a meal a

38.

Pouling’s electro negativity is based an

Answer»

Answer:

hdhehwjjqjqjqjq

Step-by-step explanation:

uehehw nsjs sbuwnay to you DEAR FRIEND I am your TIME and soap OPERA singer of UTTARAKHAND a very happy returns of the day before a meal a day before a meal a

Discussion

39.	How many terms are there in AP 7,16,25....,349
Answer» Answer: 39 is CORRECTED ANS. ACCORDING to FORMULA An=a+(n-1) d

39.

How many terms are there in AP 7,16,25....,349

Answer»

Answer:

39 is CORRECTED ANS. ACCORDING to FORMULA

An=a+(n-1) d

Discussion

40.	Please answer the puzzle
Answer» Answer: jdnxnns z sdbcjcn frnkfnc C. mvd dncmnx d cjnc d cncnr dnjxjd d xjjdnd djxjdnd xhxns xhxhs snhxznns *isndjdjnnenddnsm* left in stock at a chemical equation for this INFORMATION by a free FIRE but for now I will be safe

40.

Please answer the puzzle

Answer»

Answer:

jdnxnns z sdbcjcn frnkfnc C. mvd dncmnx d cjnc d cncnr dnjxjd d xjjdnd djxjdnd xhxns xhxhs snhxznns isndjdjnnenddnsm left in stock at a chemical equation for this INFORMATION by a free FIRE but for now I will be safe

Discussion

41.	Find value of variable in an equation is called ____ of it which makes the equation trueOption:. Solution (root).LHS.RHS.power
Answer» ANSWER: ROOT is the answer of this QS

41.

Find value of variable in an equation is called ____ of it which makes the equation trueOption:. Solution (root).LHS.RHS.power

Answer»

ANSWER:

ROOT is the answer of this QS

Discussion

42.	A circle with radius of 3 Cm sits inside of a circle with a radius of 7 Cm
Answer» Answer: Please COMPLETE the QUESTION. TELL wht to find Step-by-step explanation:

42.

A circle with radius of 3 Cm sits inside of a circle with a radius of 7 Cm

Answer»

Answer:

Please COMPLETE the QUESTION. TELL wht to find

Step-by-step explanation:

Discussion

43.	In each of the following find the value of 'k', for which the points are collinear. (7,-2), (5, 1), (3, k)
Answer» Answer The value of k is 4 Step by step explanation Let us consider A(7,-2) , B (5 ,1) and C(3 , k) Given the points A , B and C are collinear so the gradients of the LINE AB will be equals to the gradient of the line BC Gradient of AB , m₁ =(y₂ - y₁)/(x₂ - x₁) ⇒m₁ = {1 - (-2)}/(5 -7) ⇒m₁= -3/2 ᵃnd the gradient of BC, m₂ = (y₂ - y₁)/(x₂ - x₁) ⇒m₂ =(k - 1)/(3 - 5) ⇒ m₂ = -(k -1)/2 since the gradients of AB and BC are equal so m₁ = m₂ ⇒-3/2 = -(k -1)/2 ⇒-3 = -(k - 1) ⇒3 = k - 1 ⇒k = 4

43.

In each of the following find the value of 'k', for which the points are collinear. (7,-2), (5, 1), (3, k)

Answer»

Answer

The value of k is 4

Step by step explanation

Let us consider A(7,-2) , B (5 ,1) and C(3 , k)

Given the points A , B and C are collinear so

the gradients of the LINE AB will be equals to the gradient of the line BC

Gradient of AB ,

m₁ =(y₂ - y₁)/(x₂ - x₁)

⇒m₁ = {1 - (-2)}/(5 -7)

⇒m₁= -3/2

ᵃnd the gradient of BC,

m₂ = (y₂ - y₁)/(x₂ - x₁)

⇒m₂ =(k - 1)/(3 - 5)

⇒ m₂ = -(k -1)/2

since the gradients of AB and BC are equal so

m₁ = m₂

⇒-3/2 = -(k -1)/2

⇒-3 = -(k - 1)

⇒3 = k - 1

⇒k = 4

Discussion

44.	If 5x+3y=8, 3x+5y=0 then find the value of x+y
Answer» $\huge\mathfrak\blue{Answer:}$ $\huge\orange{x + y = 1}$ Step-by-step explanation: Given: $5x + 3y = 8 -----(1)$ $3x + 5y = 0 -----(<klux>2</klux>)$ To Find: $x + y = ?$ Solution: ADDING Equations (1) and (2): $>> 5x + 3x + 3y + 5y = 8 + 0$ $>> 8x + 8y = 8$ $>> 8 (x + y) = 1 \times 8$ On Cancelling off 8 from both SIDES of the Equation: $\orange{>> x + y = 1}$ _________________________________ PLS mark me as the brainlist....❤️ $also pls follow me...$

44.

If 5x+3y=8, 3x+5y=0 then find the value of x+y

Answer»

$\huge\mathfrak\blue{Answer:}$

$\huge\orange{x + y = 1}$

Step-by-step explanation:

Given:

$5x + 3y = 8 -----(1)$

$3x + 5y = 0 -----(<klux>2</klux>)$

To Find:

$x + y = ?$

Solution:

ADDING Equations (1) and (2):

$>> 5x + 3x + 3y + 5y = 8 + 0$

$>> 8x + 8y = 8$

$>> 8 (x + y) = 1 \times 8$

On Cancelling off 8 from both SIDES of the Equation:

$\orange{>> x + y = 1}$

_________________________________

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Discussion

45.	What is the condition for remainder in Euclid division algorithm
Answer» ANSWER: it is 0≤r≤B where b is the DIVISOR

45.

What is the condition for remainder in Euclid division algorithm

Answer»

ANSWER:

it is

0≤r≤B

where b is the DIVISOR

Discussion

46.	3x-y-3=0,9x-3y-9=0 by cross multiplication
Answer» ANSWER: here is your answer.......HOPE this HELP u✌️

46.

3x-y-3=0,9x-3y-9=0 by cross multiplication

Answer»

ANSWER:

here is your answer.......HOPE this HELP u✌️

Discussion

47.	A table cost ₹1785.find the cost of 298 such table
Answer» ACCORDING to me the ANSWER is 531,930 EXPLANATION: 1785×298 = 531930

47.

A table cost ₹1785.find the cost of 298 such table

Answer»

ACCORDING to me the ANSWER is 531,930

EXPLANATION:

1785×298

= 531930

Discussion

48.	Can u guys help me With this!9th Grade Chapter-Numbers
Answer» SOLUTION : $1) \sf \: \: ( \sqrt{3} - \sqrt{2} ) ^{2}$ USING IDENTITY : $\bigstar\: \boxed{ \sf \: (a - b) ^{2} = {a}^{2} - 2ab + {b}^{2} }$ $\longrightarrow \sf \: (\sqrt{3} )^{2} - 2( \sqrt{3} ) (\sqrt{2} ) + ( \sqrt{2} )^{2}$ $\longrightarrow \sf \: 3 - 2 \sqrt{3 \times 2} + 2$ $\longrightarrow \sf \: 3 - 2 \sqrt{6} + 2$ $\longrightarrow \sf \red{5- 2 \sqrt{6} }$ ________________________________ $2) \sf \: \: ( \sqrt{7} + \sqrt{11} ) ^{2}$ Using identity : $\bigstar\: \boxed{ \sf \: (a + b) ^{2} = {a}^{2} + 2ab + {b}^{2} }$ $\longrightarrow \sf \: (\sqrt{7} ) ^{2} + 2( \sqrt{7} )( \sqrt{11} ) + (\sqrt{11} ) ^{2}$ $\longrightarrow \sf \: 7 + 2 \sqrt{7 \times 11} + 11$ $\longrightarrow \sf \red{18 + 2 \sqrt{77} }$ ________________________________ $3) \sf \: \: ( \sqrt{7} + 5)( \sqrt{7} + 3)$ Using identity : $\bigstar\: \boxed{ \sf \: (x+ a)(x + b) = {x}^{2} + ( a + b)x+ ab}$ $\longrightarrow \sf \:( \sqrt{7} ) ^{2} + (5 + 3 ) \sqrt{7} + ( 5 \times 3 )$ $\longrightarrow \sf \:7 + 8( \sqrt{7} ) + 15$ $\longrightarrow \sf \red{22 + 8 \sqrt{7} }$ ________________________________ $4) \sf \: \: ( \sqrt{3} - 1)( \sqrt{3} + 1)$ Using identity : $\bigstar\: \boxed{ \sf \: (a - b)(a +b) = {a}^{2} - {b}^{2} }$ $\longrightarrow \sf (\sqrt{3} ) ^{2} - (\sqrt{1} )^{2}$ $\longrightarrow \sf ( \sqrt{3} \times \sqrt{3} ) - ( \sqrt{1} \times \sqrt{1} )$ $\longrightarrow \sf 3 - 1$ $\longrightarrow \sf \red{2 }$

48.

Can u guys help me With this!9th Grade Chapter-Numbers

Answer»

SOLUTION :

$1) \sf \: \: ( \sqrt{3} - \sqrt{2} ) ^{2}$

USING IDENTITY :

$\bigstar\: \boxed{ \sf \: (a - b) ^{2} = {a}^{2} - 2ab + {b}^{2} }$

$\longrightarrow \sf \: (\sqrt{3} )^{2} - 2( \sqrt{3} ) (\sqrt{2} ) + ( \sqrt{2} )^{2}$

$\longrightarrow \sf \: 3 - 2 \sqrt{3 \times 2} + 2$

$\longrightarrow \sf \: 3 - 2 \sqrt{6} + 2$

$\longrightarrow \sf \red{5- 2 \sqrt{6} }$

________________________________

$2) \sf \: \: ( \sqrt{7} + \sqrt{11} ) ^{2}$

Using identity :

$\bigstar\: \boxed{ \sf \: (a + b) ^{2} = {a}^{2} + 2ab + {b}^{2} }$

$\longrightarrow \sf \: (\sqrt{7} ) ^{2} + 2( \sqrt{7} )( \sqrt{11} ) + (\sqrt{11} ) ^{2}$

$\longrightarrow \sf \: 7 + 2 \sqrt{7 \times 11} + 11$

$\longrightarrow \sf \red{18 + 2 \sqrt{77} }$

________________________________

$3) \sf \: \: ( \sqrt{7} + 5)( \sqrt{7} + 3)$

Using identity :

$\bigstar\: \boxed{ \sf \: (x+ a)(x + b) = {x}^{2} + ( a + b)x+ ab}$

$\longrightarrow \sf \:( \sqrt{7} ) ^{2} + (5 + 3 ) \sqrt{7} + ( 5 \times 3 )$

$\longrightarrow \sf \:7 + 8( \sqrt{7} ) + 15$

$\longrightarrow \sf \red{22 + 8 \sqrt{7} }$

________________________________

$4) \sf \: \: ( \sqrt{3} - 1)( \sqrt{3} + 1)$

Using identity :

$\bigstar\: \boxed{ \sf \: (a - b)(a +b) = {a}^{2} - {b}^{2} }$

$\longrightarrow \sf (\sqrt{3} ) ^{2} - (\sqrt{1} )^{2}$

$\longrightarrow \sf ( \sqrt{3} \times \sqrt{3} ) - ( \sqrt{1} \times \sqrt{1} )$

$\longrightarrow \sf 3 - 1$

$\longrightarrow \sf \red{2 }$

Discussion

49.	The perimeter of a square having a side of 15 cm is equal to the perimeter of rectangle having length is 3 cm find the breadth of a rectangle
Answer» Answer: Step-by-step explanation: PERIMETER of a SQUARE = perimeter of a RECTANGLE 4 x (SIDE) = 2 ( length + BREADTH) 4 x 15 = 2 ( 3 + b) 60/2 = 3 + b b = 30 - 3 b = breadth = 27 cm

49.

The perimeter of a square having a side of 15 cm is equal to the perimeter of rectangle having length is 3 cm find the breadth of a rectangle

Answer»

Answer:

Step-by-step explanation:

PERIMETER of a SQUARE = perimeter of a RECTANGLE

4 x (SIDE) = 2 ( length + BREADTH)

4 x 15 = 2 ( 3 + b)

60/2 = 3 + b

b = 30 - 3

b = breadth = 27 cm

Discussion

50.	Solve the following questionsnen do the distance and displacement at amoving object have the same magnitude ?
Answer» Answer: The DISPLACEMENT and distance of a MOVING object can only have EQUAL MAGNITUDE when it is moving in a RECTILINEAR path.

50.

Solve the following questionsnen do the distance and displacement at amoving object have the same magnitude ?

Answer»

Answer:

The DISPLACEMENT and distance of a MOVING object can only have EQUAL MAGNITUDE when it is moving in a RECTILINEAR path.

Discussion

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