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LiRa [457]
3 years ago
10

A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the coin? The exact årea of either face

of the coin is mm2. (Simplify your answer. Type an exact answer in terms of re.)​
Mathematics
1 answer:
solniwko [45]3 years ago
7 0

I don't understand it sorry

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fomenos
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3 years ago
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Anthony drove 765 miles in two days. At this rate, how many miles will he drive in 3.5 days
rosijanka [135]

Answer:

1,338.75 miles in 3.5 days.

Step-by-step explanation:

What I did was first, 765/2=382.5

Then I did 382.5x3.5=1338.75(rounded 1339 or 1340)

Hope this helps.

4 0
2 years ago
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A butcher $32 for X pounds of beef ribs. Which expression represents the price per pound?
Lera25 [3.4K]

Answer:

The expression $32/x represents the price per pound.

Step-by-step explanation:

Given:

$32 for X pounds of beef ribs.

Now, the symbol which represents the per is this →  / .

So, $32/x shows the expression for the price per pound.

Therefore, the expression $32/x represents the price per pound.

4 0
3 years ago
I don’t understand.<br> online school is hard
Minchanka [31]
I think you got to multiply the numbers hopefully I helped
5 0
2 years ago
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Marques drops a plate from a height of 5 feet. When will the plate hit the ground?
nadya68 [22]

Answer:

<u>Option A. about 1 seconds</u>

Step-by-step explanation:

Let the initial speed u and the final speed v

Time t , distance s and acceleration of gravity g

The equation of motion are:

v = u + gt            ⇒(1)

s = ut + 0.5 gt²   ⇒(2)

v² = u² + 2gs      ⇒(3)

Marques drops a plate from a height of 5 feet.

So, u = 0 , s = 5 ft , g = 9.8 m/sec²

Substitute at (2)

s = ut + 0.5 gt²

5 = 0 * t + 0.5 * 10 * t²

∴ t² = 5/(0.5*9.8) = 1.02

∴ t = √1.02 = 1.01 seconds ≈ 1 seconds (to the nearest integer)

<u>The answer is option A. about 1 seconds</u>

4 0
3 years ago
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