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Lena [83]
3 years ago
6

What isthe area of the circle or semicircle 2.5​

Mathematics
2 answers:
maria [59]3 years ago
8 0

Answer:

I don't know what your question was but the radius would eqaul .089 so the area is 2.5

Rufina [12.5K]3 years ago
8 0

Answer:

0.89

Step-by-step explanation:

the area of the. ..............

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C≈23.25in

It's cicumference is 23.23 inches.

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Which of the following is an example of a proper fraction?
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Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to co
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Answer:

The money Rachael plan to collect for the shelter is <u>$350</u>.

Step-by-step explanation:

Given:

Rachel is collecting donations for the local animal shelter.

So far she has collected $245, which is 70% of what she hopes to collect.

Now, to find the money Rachael plan to collect for the shelter.

Let the total amount Rachael plan to collect be x.

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Percentage of amount she collected = 70%.

Now, to get the amount Rachael plan to collect we put an equation:

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4 0
4 years ago
What is the answer to this problem? Ignore the work. What is the correct answer?
yan [13]

Answer:

c = 42.5

Step-by-step explanation:

The legs of the triangle are a and b and the hypotenuse is c

Let a be the shorter leg

The hypotenuse is 5 more than the longest leg

c = b+5

The shortest leg is 20

a = 20

We can use the Pythagorean theorem

a^2 +b^2 = c^2

Substituting in what we know from above

20 ^2 + b^2 = (b+5)^2

FOIL  (b+5)^2 = b^2 +5b+5b +25 = b^2+10b+25

400 + b^2 = b^2+10b+25

Subtract b^2 from both sides

400+b&2-b^2 = b^2 -b^2 +10b+25

400 = 10b+25

Subtract 25 from both sides

400-25 = 10b+25-25

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c = 37.5+5

c = 42.5

6 0
3 years ago
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