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nordsb [41]
2 years ago
14

It costs 30 dollars per month for a cell phone plus 10 dollars for every GB of data.Which expression can be used to represent th

e cost of a cell phone bill when x is the number of GB of data used?
a.30 + 10

b.30x + 10

c.10x + 30

d.10x + 30x
Mathematics
1 answer:
Oksanka [162]2 years ago
7 0

Answer: I Think Its C.( 10x ) + 30

Step-by-step explanation: Hoped This Helped! Thx For The Points!

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Answer:

18.84 estimated, 6π exactly

Step-by-step explanation:

Hi!

<u>The formula for finding the circumference of a circle is 2πr:</u>

In that case, all we need to do <em>first </em>is to divide the diameter by 2, so we can substitute that into the equation.

6 ÷ 2 = 3

So we have 2π × 3 to solve.

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We can estimate the circumference by multiplying by 3.14.

6 × 3.14 = 18.84

(actually multiplying by π gives 18.849... which is pretty close!)

Thus, the circumference is \boxed{6\pi{\text{\:or\:18.84\:roughly}}}.

Hope this helps!

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