3 years ago

What is the product of the polynomials below? (7x2+2x+4)(2x+5)

1 answer:

4 0

(16x+4)(2x+5)

Step-by-step explanation:

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lions [1.4K]

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2 years ago

WITCHER [35]

Answer:

2.25 square inches

Step-by-step explanation:

we know that

The scale is $1\ inch: 20\ miles$

That means

1 inch on a map represent 20 miles in the city

An area of $(1)(1)=1\ in^2$ on a map represent an area of $(20)(20)=400\ mi^2$ in the city

Applying proportion

$\frac{1}{400}\ \frac{in^2}{mi^2}=\frac{x}{900}\ \frac{in^2}{mi^2}\\\\x=900/400\\\\x=2.25\ in^2$

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2 years ago

Vikki [24]

It's -5/2,-4 is right. ok?

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2 years ago

asambeis [7]

Answer: 6/10

Step-by-step explanation:

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2 years ago

Ann [662]

Answer:

y= 3(5)x

Step-by-step explanation:

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2 years ago