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3 years ago

I have another question if anyone is willing to help out.Number 4

Mathematics

1 answer:

Sergio [31]3 years ago

6 0

1 mile equals 5280, so just multiply 5,280 by 7 to get your final answer.
Which is 36,960 feet.

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Find the distance between the lines 2x +y = 10 and 2x + y = -5. Write your answer as a simplified radical.

Ksivusya [100]

Answer:

hhUHUSDH

Step-by-step explanation:

JHYGTFRDFGVHBJNKI

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3 years ago

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Sveta_85 [38]

The answer to your question is c

5 0

3 years ago

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pickupchik [31]

Answer:

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Step-by-step explanation:

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3 years ago

Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side the area of the smaller

horsena [70]

Answer: 20 feet by 20 feet.

Step-by-step explanation:

1. You know that $x$ is the original measure of one side. Since it is a square, all its sides are equal.

2. Therefore, to solve the problem you only need to solve for $x$ , as you can see below:

- You have that:

$(a-b)^{2}=a^{2}-2ab+b^{2}$

- Then, you obtain the following quadratic equation:

$(x-8)^{2} =144\\x^{2}-2(x)(8)+8^{2}=144\\x^{2}-16x-80=0$

- Apply the Quadratic formula to solve it:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}\\a=1\\b=-16\\c=-80$

- Then, you obtain:

$x_1=20\\x_2=-4$

3. The dimensions cannot be negative, therefore, the answer is: 20 feet by 20 feet.

3 0

3 years ago

Read 2 more answers

-8x+5-2x-4+5x when x=2

julia-pushkina [17]

Answer:

-9

Step-by-step explanation:

Just substitute in 2 for x

-8(2) + 5 - 2(2) - 4 + 5(2)

-16 + 5 - 4 - 4 + 10

-11 - 4 - 4 + 10

-15 - 4 + 10

-19 + 10

-9

Hope this helps!!!

-Unicorns110504

*Please mark brainliest*

7 0

3 years ago

Read 2 more answers