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Sergio039 [100]
3 years ago
12

Jamie is getting a new fence around her pool the pool space in a perfect square with an area of 400 square feet if the fencing s

he picked costs $7 per foot how much will the fence cost her
Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

57 dollars and 14 or 15 cents

Step-by-step explanation:

400 divided by 7

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What is the slope of y=-4
VARVARA [1.3K]

Answer:

0

Step-by-step explanation:

It is 0 because the slope intercept form is y=mx+b right now you only have the y intercept which is the b of the equation. That means that your slope is non existence

5 0
3 years ago
Can somebody please help me. I would really appreciate it
laila [671]
90=6x+3x
90=9x
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3 years ago
Using a 21 sided polygon as a base,complete the following table:
alex41 [277]

Answer: i dont understand

Step-by-step explanation:

7 0
3 years ago
Factor the equation.
Kryger [21]
Hi!

The fully factored form of this equation is (3x+2)²
5 0
3 years ago
The area of a square is 49 square meters. How long is each side?
Artemon [7]

A square has 4 equal sides, which means when you need to work out the area, you're doing length × width, but the length and width are exactly the same, because it's a square (look at the picture if you don't understand this).

That means you just have to pick any side (let's call this side x), and multiply it by another side of the square. Now, because all of the sides are equal, you're doing x multiplied by x, which is the same as x².

Therefore, if the area is equal to x², and in this question, it's also equal to 49 (as stated in the question), we can equate them to each other:

x² = 49

Now to get the x by itself, we need to do the opposite of squaring, which is square rooting. Therefore, we square root both sides of the equation:

√x² = √49

The √ and the ² cancel out, so you're just left with x:

x = √49

The square root of 49 is just 7, so we can replace √49 with 7, and we get:

x = 7

Now remember, earlier, I called x the value of one side. Therefore, by remembering that, you know that the value of one side is equal to 7. And because all the sides are the same as each other, each side is equal to 7 metres.

Therefore, your final answer is 7 metres :)

3 0
3 years ago
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