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stiks02 [169]
4 years ago
13

The diameter of a circle is 18 meters. What is the circle's area?

Mathematics
1 answer:
Anarel [89]4 years ago
3 0

Answer:

254.45 meters squared

Step-by-step explanation:

Well the radius is 9 and that squared is 81 then that times pi is 254.45.

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What is the y-intercept of the line given by the equation y = 9/2x -4 Enter your answer as an ordered pair.
V125BC [204]

Answer:

(0, -4)

Step-by-step explanation:

I don't quite know how to explain it, but I was taught that the number in the equation that doesn't have a variable, in this case -4, is the y-intercept. The order pair is (0, -4) because a y-intercept is where the line crosses the y-axis and the y-axis is located on the 0 of the x-axis.

6 0
3 years ago
A flowerbed surrounds the base of a tree. It’s enclosed by stones to form a circle that measures 25.12 feet. What is the radius
Ymorist [56]
2.83 if rounded. 2.82842712475 would be the actual.

Hope this helped!
5 0
3 years ago
Find the volume of a pyramid with a square base, where the perimeter of the base is
Yuki888 [10]

Answer:

V= 57.8 cm^3

Step-by-step explanation:

i had the same question and got it wrong and it showed me the correct answer so basically

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3 0
3 years ago
Suppose a radioactive substance has a half-life of 1000 years. What fraction will be left after 1000 years?
salantis [7]

Answer:

\frac{1}{2}

Step-by-step explanation:

The half life is the amount of time it takes a substance to decay to half of its original amount.

Since the radioactive substance has a half life of 1000 years, there will be half of it left after 1000 years.

So, the fraction that will be left after 1000 years is \frac{1}{2}

3 0
3 years ago
Read 2 more answers
7/9 - 13 /18 this is my question
nikdorinn [45]

Answer:

1/18

Step-by-step explanation:

Step 1:

14/18 - 13/18

Answer:

1/18

Hope This Helps :)

3 0
2 years ago
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