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Kryger [21]
4 years ago
6

Circle P has a circumference of approximately 75 inches

Mathematics
1 answer:
Zina [86]4 years ago
8 0

Answer:

5 inches.

Step-by-step explanation:

We know that the circumference of a circle is equivalent to πr² or πd.

We need to know the radius given the circumference.

C = πr²

75 = 3.14(r^2)    (Divide both sides by 3.14)

23.88535031847134 = r^2    (Take the square root of both sides)

r ≈ 4.88726409338

r ≈ 5 inches.

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
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Answer:

8.0 seconds to the nearest tenth,

Step-by-step explanation:

h=-16t^2 +vt + c.

-16t^2 + 116t + 101 = 0

t =  [ -116 + /- √(116^2 - 4*-16*101) ] / (-32)

t = (-116 +/- √19920) / (-32)

t = -0.79, 8.036  (we ignore the negative root)

The time in flight = 8.036 seconds.

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Hewwo the answew is d
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Answer:

Is it not 2x + 12?

Step-by-step explanation:

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3 years ago
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The price for a gallon of gas is $4.99 how much is it going to cost for 20 gallons ?
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3. Andrea is buying snacks at the basketball game. The snacks are $2.25 apiece. She wants to buy 4
soldi70 [24.7K]

Answer:

D - No, the ordered pair (4,9) is a solution to this problem.

Step-by-step explanation:

If you plotted the number of snacks as the x-axis, and then the total cost of the snacks on the y-axis, you would be able to graph a line and see the cost of snacks based on the number purchased. If you were going to write an equation for this, it would be y=2.25x (or y = 2 1/4 x)

In this case, as each snack is the same price, the y-values for each x would be as such: (1, 2.25) <- one snack, $2.25;

(2, 4.5)

(3, 6.75)

(4, 9)

So that is why the ordered pair of (4,9) would be a solution to this problem.

Hope that makes sense!

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3 years ago
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