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Katyanochek1 [597]
3 years ago
15

Which expression is equivalent to 10- (2x^3 + 11x^2 - 2x - 35)

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer:

22x^2+x+3

Step-by-step explanation:

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Find the dimensions of an American football field. The length is 200 ft more than the width, and the perimeter is 1,040 ft. Find
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Answer:

The width of the football field is 160 feet.

The length of the football field is 360 feet.

Step-by-step explanation:

Let w represent width of the football field.

We have been given that the length is 200 ft more than the width, so the length of the field would be w+200.

We are also told that the perimeter is 1,040 ft. We know that football field is in form of rectangle, so perimeter of field would be 1 times the sum of length and width. We can represent this information in an equation as:

2(w+w+200)=1040

Let us solve for w.

2(2w+200)=1040

4w+400=1040

4w+400-400=1040-400

4w=640

\frac{4w}{4}=\frac{640}{4}

w=160

Therefore, the width of the football field is 160 feet.

Upon substituting w=160 in expression w+200, we will get length of field as:

w+200\Rightarrow 160+200=360

Therefore, the length of the football field is 360 feet.

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