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Oduvanchick [21]
3 years ago
10

How do you find the area of a circle and what is the formula for it

Mathematics
2 answers:
Butoxors [25]3 years ago
7 0

Answer:

formula is πr² ( pi x radius squared)

Step-by-step explanation:

the value of π is 3.142...

multiply this value with the squared radius of the circle and you'll get your answer.

For example:

we have a circle with diameter 5

so,  π x 5² = 3.142 x 25 = 78.5

mote1985 [20]3 years ago
3 0

Answer:

Read Exp:

Step-by-step explanation:

Area = 3.14 x r^2

I've Included a picture to tell you how to get the diameter as well as the circumference.

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What is the solution to the equation –13+x = –4?<br> a. –17<br> b. 9<br> c. –9<br> d. 17
Debora [2.8K]
-13+9=-4
When you add a positive number to a negative number the answer will get closer to 0 and then progress up in positive numbers. In this case we are finding which of the numbers equals -4 when added to -13. Remember, if you add a negative to a negative you will get a negative.
-13+-17=-30 This is the wrong answer.
-13+-9=-21 This is the wrong answer.
-13+17=4 This is the wrong answer. (This is positive 4 we are trying to find -4)
-13+9=-4 This is the right answer
Therefore X=9
6 0
3 years ago
I’m confused how do you solve 378 divided by 6 like I know that it’s it 63 but how do you solve it
KatRina [158]

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That is the solution. 63 is the final answer. You could mix it around to make sure and say... 6 times 63 equals 378

But there is no more than 63

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3 years ago
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anyanavicka [17]

Answer:

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3 years ago
Help me please, i need help with all the questions. My teacher did not explain very well
belka [17]
The questions that are 1-6 above:

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Try 2(20-9x) or 40-18x
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