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3 years ago

What is the area of a circle with a diameter of 10

Mathematics

2 answers:

Arlecino [84]3 years ago

7 0

A=pir^2
d/2=r
d=10
d/2=10/2=5
a=pi5^2
a=pi25
a=25pi

D is answer

8_murik_8 [283]3 years ago

5 0

It would be D because the formula is: pi r^2

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Mat 540 week 6 homework

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Identify the probability to the nearest hundredth that a point chosen randomly inside the rectangle is in the square. Only answe

wel

Answer:

$0.07$

Step-by-step explanation:

we know that

The probability that a point chosen randomly inside the rectangle is in the square is equal to divide the area of the square by the area of rectangle

Let

x-----> the area of square

y----> the area of rectangle

P -----> the probability

$P=\frac{x}{y}$

<em>Find the area of square (x)</em>

$A=5^{2}=25\ in^{2}$

<em>Find the area of rectangle (y)</em>

$A=25*15=375\ in^{2}$

Find the probability P

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Perform the operation and reduce the answer fully. 1/10 + 2/9 =

larisa [96]

You need to ensure the denominators are the same. To do this you multiply the denominators together.

1/90 + 2/90

However, this is incorrect, as you need to do the same to the numerators, so for the left hand side you multiplied by 9 and for the right hand side you multiplied by 10, so you must do the same for the numerators.

So it should be:

9/90 + 20/90

You can now add this together, to get:

29/90

This is triple checked so I’m not sure why it says reduce the answer fully as that is as far as it can be reduced.

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