3 years ago

Equations of Lines help!

1 answer:

7 0

The answer is D. Note that the y-intercept is -3, not 3. So, when x is at 0, y should be -3. Choice D is the only graph with a y-intercept of -3.

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PLEASE HELP!!! ILL GIVE BRAINLIEST, EXPLAIN YOUR ANSWER PLEASE

mart [117]

Answer: -20v^3 - 30x^2 +20

Step-by-step explanation:

simply multiply each term inside of the parentheses by -5.

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3 years ago

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Please respond to the question below in your own words with proper explanations

ycow [4]

Answer:

$t(400)=673$ .

It means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

Step-by-step explanation:

Given:

The function relating number of 9 inch tiles required and area to cover is:

$t(A)=\frac{144}{9.25^2}A$

Now, plug in 400 for $A$ to evaluate $t(400)$ .

$t(400)=\frac{144}{9.25^2}\times 400=\frac{144\times 400}{85.5625}=\frac{57600}{85.5625}=673.19\approx6225$

Therefore, Don required 673 of 9 inch tiles to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

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3 years ago

Factor the polynomials completely. If the polynomial cannot be factored, write "prime."

Monica [59]

Answer:

4) -(m+12)(m-12)

5) (y+12)^2

6) (x+5)(x-5)(x^2-25)

7) (a+9)(-y+7)

8) Prime

9) Prime

Hope this helps!

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3 years ago

What is 222 times 5<br><br> no explanation please

iragen [17]

Answer:

1110

Step-by-step explanation:

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3 years ago

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While at the zoo, you saw 20 monkeys in an exhibit. Then some of the monkeys go and hide while the zoo keeper moves 5 monkeys to

Vladimir79 [104]

It would be 7.

Because 20-5-15 then 15-8=7

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3 years ago