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Softa [21]
3 years ago
10

If someone charges 18 cents per square inch for frames how much will they charge for a frame that measures 16 inches on each sid

e and has a width of 2 inches
Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:

<h3>2,106 cents</h3>

Step-by-step explanation:

If the frame that measures 16 inches from each sides has a width of 2 inches the length and width of the internal picture will be 4 inches smaller than that of the frame itself is shown below.

Length of the picture in the frame = 16 inches - ( 2inches + 2 inches)

Length of the picture in the frame = 16 inches -4 inches

Length of the picture in the frame = 12 inches

Width will also be 12 inches

Area of the entire frame (plus picture) = 16 * 16 = 256 in²

Area of the picture = 12*12 = 144in²

Area of the frame only = 256 - 144

Area of the frame only = 112 in²

If the frames are charged 18 cents per square inch, a frame with 112 square inches will be charged (18*112) cents 2016 cents

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Answer:

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8 0
3 years ago
Which polynomial identity will prove that 49 - 4 = 45?
GalinKa [24]

Answer:

Option A is correct

Difference of squares identity should be used to prove 49-4 =45

Step-by-step explanation:

Prove that : 49 - 4 = 45

Polynomial identities are just equations that are true, but identities are particularly useful for showing the relationship between two apparently unrelated expressions.

Difference of the squares identity:

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Take LHS

49 - 4

We can write 49 as 7 \times 7 =7^2  and 4 as 2 \times 2 =2^2.

then;

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Now, use the difference of square identity;

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or

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therefore, the difference of square polynomial identity should be used to prove that 49-4 =45



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4 years ago
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