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svetoff [14.1K]
3 years ago
14

Find the area of a circle whose circumference is 31.4 centimeters. (Pi form) {FREE BRAINLIEST]

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

Answer:

78.46 cm^2

Use area formula

Hitman42 [59]3 years ago
4 0

Answer:

78.5 cm²

Step-by-step explanation:

tell me if i got it wrong

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The number of measles cases has increased by 14% since 2000. Express your answer rounded correctly to the nearest hundredth. Sta
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Answer:

1.14x = 2x

x = (0.12)(1.14)x

Step-by-step explanation:

We are going to express the data in an equation form:

If <em>x </em>was the number of cases there was in 2000 ⇒<em>currently there are 1.14x </em>cases of measles.

But the question also tells us that the number of cases now is also 2 times what it was in 2000.

So we have that <u>1.14x = 2x</u>

<u />

It also tells us that the number of measles back in 2000 was 12% of what it is now.

<u>x = (.12) 1.14x</u>

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We can't really solve these equations since the problem doesn't give us any more information (I am assuming there was another part of the problem before this one that wasn't written here).

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3 years ago
Find the equation of a line in point slope form that crosses through points (3,-2) and (5,2)
madreJ [45]

-2-2=0.5(3-5)

OR (-2-2)=1/2(3-5)

3 0
3 years ago
Help wich expression is equivalent to -8(10x-3)
Tju [1.3M]
A because you distribute the -8 to get -80x-(-24)
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The graph below shows a proportional relationship between x and y.
Bas_tet [7]

Answer:

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Step-by-step explanation:

Use point (1, 3.5) on the graph

x = 1, y = 3.5

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7 0
2 years ago
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