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valentina_108 [34]
2 years ago
10

A squere is a perimeter of 16.4 inches. what is the area

Mathematics
2 answers:
IrinaVladis [17]2 years ago
8 0

Answer:

45.1 cubic inches

Step-by-step explanation:

16.4 divided by 4 is 4.1 and 4.1 multiplied by 4.1 is 45.1.

Stels [109]2 years ago
6 0

Answer:

16.81

Step-by-step explanation:

P = 4a.

then the length of a side is 16.4 /4 = 4.1.

A = a * a = 4.1 * 4.1 = 16.81

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The diameter of a pizza is 14 inches. What is the circumference of the pizza? Tell you what value you used for pi
Allisa [31]
The formula for finding circumference is C=2*pi*r. So C is the circumference that you are trying to find. Pi is 3.14. And r is the radius. Now, it does not tell you directly what the radius is, but the diameter of a circle is basically how far across is it. So in this case, 14. The radius of a circle is half of it's diameter, so half of 14 is 7. So, multiply 2*3.14*7, to get the circumference. You get 43.96.
3 0
3 years ago
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What is 3 x 5 what does it equal
Gemiola [76]

Answer:

3 x 5= 15

Step-by-step explanation:

If you count by 5's like 5, 10, 15, 20
And if you count by 3's: 3, 6, 9, 12, 15
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2 years ago
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Please help quickly for 5 stars and brainliest!!
alexandr402 [8]
1.
Height h = 240 feet
We insert it into formula.
240 = -16 t^{2} +128t
Now we solve this for t:
16 t^{2} -128t +240 = 0 /16  \\  t^{2}  - 8t +15 =0 \\ t_{1} = 5 t_{2} = 3

We have two answers as the rocket will pass this height on it's way up and down.

2.
Height h = 0 feet
We insert it into formula.
0=-16 t^{2} +76t + 2
Now we solve this for t:
16 t^{2} - 76t -2 = 0 /2 \\ 8t^{2} - 38t - 1 = 0 \\ t_{1} = 5 t_{2} = -1
We do not consider solution -1 as the time can not be negative. Our solution is 5s.

3.
Height at bottom of hill h = 0 feet
We insert it into formula.
v^{2} = 64 * 0 = 0 ft/s
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4 years ago
What is the perimeter of a 81cm^2 area?
avanturin [10]
36 cm is the answer to your question
3 0
3 years ago
I NEED HELP ITS TIMED​
Bumek [7]

Answer:

Binomial

Step-by-step explanation:

This is because it has two terms

5 0
3 years ago
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