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Burka [1]
4 years ago
8

A square has an area of 25 cm2. if its perimeter increases by 4 cm, what is its area?

Mathematics
1 answer:
matrenka [14]4 years ago
7 0
If the perimeter of a square with an area of 25cm^2, then the answer is 20cm
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You sketch a right triangle that has a hypotenuse of 13 centimeters, and one leg that is 8 centimeters. How many centimeters is
olasank [31]

Hello from MrBillDoesMath!

Answer:

sqrt(105)

(which is approximately 10.25 centimeters )

Discussion:

Call the unknown leg"a". From the Pythagorean theorem

8^2 + a^2 = 13^2            => subtract 8^2 = 64 from both sides

a^2  = 13^2 - 64              => as 13^2 = 169

a^2  = 169 - 64 = 105     => take the square root of both sides

a = sqrt(105) which is approximately 10.25 centimeters

Thank you,

MrB

8 0
3 years ago
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3 years ago
What Number Is 100,000,000 more than 5,438,724,022?
erastova [34]
Hi!

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Hope this helps! :)
5 0
3 years ago
There are 50 cards numbered from 1 to 50. two different cards are chosen at random. what is the probability that one number is t
d1i1m1o1n [39]
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3 years ago
I need the equation of the line in the graph
sattari [20]
First of all, we know that it's a linear equation, which means it'll have to be y=mx+b.

Identify your points.
(0, 0) and (5, 4).

Now find the slope by doing 
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m = (4 - 0)/(5 - 0)
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Now set the equation up. You have a point and the slope, so use the point-slope equation.
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y - 4 = 4/5(x - 5)
y - 4 = 4/5x - 4
y = 4/5x

So the equation of the line is y=4/5x.
8 0
3 years ago
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