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Answer:

From second condition:

2X - y = 54

Adding eq. i and II

  x + y + 2x - y = 45 + 54

  3x = 99

  x = 99/3

   x = 33

substituting x = 33

     33 + y = 45

      y = 45 - 33

      y = 12

verify that 33 and 12 is the..

TODAY age of mother = 33 years and  age of SON = 12

Answer & Step-by-step explanation:

Let us assume that √5 is a rational NUMBER.

So it can be expressed in the FORM p/Q where p,q are co-prime INTEGERS and q≠0

⇒ √5 = p/q

On squaring both the sides we get,

⇒5 = p²/q²

⇒5q² = p² —————–(i)

p²/5 = q²

So 5 divides p

p is a multiple of 5

⇒ p = 5m

⇒ p² = 25m² ————-(ii)

From equations (i) and (ii), we get,

5q² = 25m²

⇒ q² = 5m²

⇒ q² is a multiple of 5

⇒ q is a multiple of 5

Hence, p,q have a common factor 5. This contradicts our assumption that they are co-primes. Therefore, p/q is not a rational number.

√5 is an IRRATIONAL number.

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ANSWER:

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1. x=31/29
2. x=10/3
3. x= 1
4. x=3/8

Step-by-step EXPLANATION:

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The ANSWER is 1

Step-by-step explanation:

put X =0

2*0-4*0+1 =1

Step-by-step EXPLANATION:

CARTESIAN plane

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HOPE this MAY help you.

If you WANT to ASK anything you can .

Answer:

1:3

Step-by-step explanation:

40/120 = 1/3

HENCE, RATIO = 1:3

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Answer:

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Answer:

27535×10^2

49×10^-4

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ANSWER:

here is your answer..MARK me as a BRAINLIST for this answer

Answer:

Step-by-step explanation:

There are two COTTAGE industries A and B having the same number of

employees.

In A = 4+2x

If the total cost of production on that day was  390.

390 = x(2x + 4)

390 = 2x² + 4x

2x² + 4x - 390 = 0

2x² + 30x- 26x - 390 = 0

2x ( x + 15) - 26( x+ 15) = 0

(2x -26) (x+15)

x = 13,  x = -15

Production is cant be in "-" ve so the x = 13

287 /2 =x

ANSWER:

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Step-by-step EXPLANATION:

TRIANGLE with RIGHT ANGLE is CALLED right triangle.

ANSWER:

pro

home

NON of these

GOING

ANSWER:

x=25/2

y= -7

let an EQUATION to be equation 1

and another to be equation 2

substract 2 from 1

you will get it

Answer:

B) Complete the ray DIAGRAM and mark the POSITION of the image.

ANSWER:

EVALUATING A 3 X 3 DETERMINANT

The determinant is FOUND by multiplying each COFACTOR by its CORRESPONDING element in the matrix and finding the sum of these products.

Answer:

9/12 of the PARTS are LEFT as 3/12 are EATEN

The FINAL answer will OBVIOUSLY be ‘0 ‘
This is because ANYTHING multiplied with 0 GIVES the final product 0
Therefore ,your answer will be 0

ANSWER:

if you have to get three rational NUMBER between

-3/4,1/2

then very simple use formula

a+b/2

Answer:

20/500*100=4%

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Answer:

SIN4 θ – COS4 θ

= (sin2 θ)2 – (COS2 θ)2

= (sin2 θ – cos2 θ)(sin2 θ + cos2 θ)

= (sin2 θ – cos2 θ) × 1

= sin2 θ – cos2 θ = R.H.S.

= sin2 θ – (1 – sin2 θ)

= sin2 θ – 1 + sin2 θ

= 2 sin2 θ – 1 = R.H.S.

= 2(1 – cos2 θ) – 1

= 2 – 2 cos2 θ – 1

= 1 – 2 cos2 θ = R.H.S.

Hence PROVED.

ANSWER of your QUESTION

ANSWER:

The ORDERS of H and K are the divisors order of G

Step-by-step EXPLANATION:

x/2=-1/2-5/3

x/2=-3-10/6

x/2=-13/6

x=-13/3

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The FINAL ANSWER will be2500 LITERS .
Here’s your EXPLANATION:-

Coronaviruses are a large family of respiratory viruses, known to cause ILLNESS ranging from the common COLD to more severe illnesses such as MIDDLE East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).

The current OUTBREAK has been caused by a strain of coronavirus that had not previously detected anywhere in the world before the outbreak was reported in WUHAN, China in December 2019.

ANSWER:

(1/3)⁶ or 1/729

Step-by-step EXPLANATION:

USE IDENTITY (aⁿ)ᵇ = a ⁽ⁿ ˣ ᵇ⁾

[1\3³]²

= (1/3)⁽³ˣ²⁾

= (1/3)⁶

Step-by-step EXPLANATION:

LCM of 3 and 5 is 15 .

I hope it is helpful

ANSWER:

ANGLE a+angle b+angle C+ angle d=360

60+120+40+d=360

220+d=360

d=360-220

d=140

ANSWER:

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Step-by-step EXPLANATION:

1+2 = 180°

1+4 = 180°

2+3=180°

5+8=180°

6+7=180°

5+6=180°

8+7=180°

GIVEN :-

• The length of a rectangle EXCEEDS it's breadth by 7cm.
• If the length is decreased by 4 cm and the breadth is increased by 3 cm , the area of NEW rectangle is same as the area of original rectangle.

TO FIND :-

• Length and breadth of original rectangle.

TO KNOW :-

♠ Area of rectangle = l × b

SOLUTION :-

Let the breadth of the rectangle be 'x'cm.

Length exceeds by 7cm , so , length will be 'x+7'cm.

♦ Area of Original Rectangle = x(x + 7)

Now , when the length is decreased by 4cm and breadth is increased by 3cm.

• New length → x + 7 - 4 = 'x+3'cm
• New breadth → 'x+3'cm

♦ Area of New Rectangle = (x+3)(x+3)

Area of Original rectangle is equal to Area of New rectangle.

→ x(x+7) = (x+3)(x+3)

→ x² + 7x = x² + 3x + 3x + 9

→ x² + 7x = x² + 6x + 9

→ x² - x² + 7x - 6x = 9

→ x = 9

★ For Original rectangle,

• Length = x+7 = 9+7 = 16CM
• Breadth = x = 9cm

Hence , length is 16cm and breadth is 9cm for Original rectangle.

MORE TO KNOW :-

♠ Area of SQUARE = side²

♠ Area of triangle = (1/2) × b × h

♠ Area of trapezium = [(sum of parallel sides)/2] × h

♠ Area of semi-circle = πr²/2

♠ Area of parallelogram = l × h

♠ Area of circle = πr²

ANSWER:

Democracy is government in which power and civic responsibility are exercised by all adult citi- zens, directly, or through their freely ELECTED rep- resentatives. Democracy rests upon the PRINCIPLES of majority RULE and individual rights. ... Fair, frequent, and well-managed ELECTIONS are essential in a democracy.

Step-by-step explanation:

ANSWER: 2x²+12y²-4xy+5x-9y+3

Explanation: LET A = 5x2-4y2+6y-3

B = 7x2-4xy+8y2+5x-3y

According to the PROBLEM GIVEN,

B-A = 7x²-4xy+8y²+5x-3y -

(5x²-4y²+6y-3 )

= 7x²-4xy+8y²+5x-3y -5x²+4y²-6y+3

= (7-5)x²+(8+4)y²-4xy+5x-(3+6)y+3

= 2x²+12y²-4xy+5x-9y+3

••••

Answer:

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Step-by-step EXPLANATION:

-2/3+3/5+5/2-3/30

-2/3-3/30+3/5+5/2

-20-3/30+6+25/10

-23/30+31/10

-23+93/30

70/30

7/3 is your answer

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Here is your answer friend,

Let the side of the Square garden be X

therefore the area of the Square garden will be,

And then,

we can observe from the figure that the side of the LARGER square(square including the path) will be X+4

And from the figure we can see that the area of the path = area of larger square - area of SMALLER one.

so on SUBSTITUTING it we GET,

(136 is given.i.e area of path)

so we get,

and both the X2 will cancel out, so

and so,

that is,

that means we got the side of the garden that is X = 15m

so to find the area we get,

HOPE YOU GOT IT,

THIS IS MY 100TH ANSWER..

Answer:

13 is RIGHT ANSWERRRRRRR

ANSWER:

A1=2

A2=5

A3=8

A4=11

Step-by-step EXPLANATION:

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TUTORIALS CONFUSION VISHNOI

Answer:

1=28,2=56 I HOPE you UNDERSTAND

Answer:

76 kg 500 gram

Step-by-step EXPLANATION:

acorrding to question

6.375*12

= 76.5

76 kg 500 gram answer

I hope it is useful for you

so plz give me 10♥ for it.

ANSWER:

All numbers that are divisible by 10 are called MULTIPLES of 10