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3 years ago

Given that A=xy find the percentage increase in A when both X and Y increase by 10%

1 answer:

7 0

A=xy
If there is 10% increase in x then,
New value of x = x + 10%of x =1.1x
similarly for y
New value of y after increase= 1.1 y
New value of A after increase in x and y = 1 .1x × 1.1 y= 1.21xy
now
increase amount in A= New value of A - old value of A
=1.21xy - xy= 0.21xy
percentage increase in A= (0.21xy÷xy )× 100= 21%

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3 years ago

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Step-by-step explanation:

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4 years ago

if one angle of parallelogram is four times greater than the othe. find of a parallelogram? *Short ans please*

enyata [817]

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144°, 144°, 36°, 36°.

Step-by-step explanation:

Take shorter angle = x

Then the bigger angle = 4x (4 times the other angle)

In a parallelogram, there are 4 angles. Also, in a parallelogram opposite angles are equal to each other.

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2 years ago

Read 2 more answers

A line passes through the point (0, –1) and has a slope of -2/3 What is the equation of the line?

Troyanec [42]

The slope formula:
$y=mx+b$
m - a slopeb - y-intercept
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3 years ago

Convert 2.16161616 to a rational number in the form of a/b

Phoenix [80]

Answer:

$\frac{214}{99}$

Step-by-step explanation:

We require to create 2 equations with the repeating digits after the decimal point. Then by subtracting them we eliminate the repeating part.

let x = 2.1616.... → (1)) ← multiply both sides by 100

100x = 216.1616..... → (2)

Subtract (1) from (2)

99x = 214 ( divide both sides by 99 )

x = $\frac{214}{99}$

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4 years ago