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Pavel [41]
3 years ago
15

Lisa needs to get her roof re-done The roofing company charges a $500 flat fee They also charge $1.25 per square foot of the roo

f Lisa's roof is 865 square feet. How much will it cost Lisa to get her roof re-done?
Mathematics
2 answers:
jasenka [17]3 years ago
8 0
I`m sure the answer is $1591.25
wow that`s a lot of money!

Arada [10]3 years ago
6 0
The correct answer is $1581.25
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mash [69]

1. is 1/12. 2. is 1 3/7

8 0
3 years ago
2x – 3y = 18<br> Solve for y.
Nataly [62]

Answer:

y= -6+2/3x

Step-by-step explanation:

2x-3y=18

Minus the 2x from both sides

-3y=18-2x

Then divide both sides by -1

-3y÷-1=18÷-1 -2x÷-1

Lastly divide both sides by 3

3y÷3= -18÷3+2x÷3

7 0
3 years ago
Can you solve this? I need help. I don't understand.
ZanzabumX [31]

Answer:

2 sqrt(5) OR 4.5

Step-by-step explanation:

You have to know Pythagorean theorem to solve this question.

a^2 + b^2 = c^2

To use this theorem you have to have a right triangle. There are two right triangles in your image. The lower (larger) one has two sides labeled, so you can use Pythagorean thm to find the third side. There's a short cut, bc some right triangles have easy-to-memorize lengths of the sides. 3-4-5 is one of these number sets. A multiple of this is 6-8-10. We could've solved:

b^2 + 8^2 = 10^2

But it would've come out the same. The unlabeled side is 6.

We can use the 6 and the 4 on the smaller right triangle and use the Pythagorean thm again to solve for x.

4^2 + x^2 = 6^2

16 + x^2 = 36 subtract 16 from both sides.

x^2 = 20

Take the square root of both sides.

sqrt (x^2) = sqrt 20

x = 2 sqrt(5) which is approximately 4.472.

2 sqrt(5) is an exact answer if that is what they are asking for. 4.472 is an approximation to the nearest thousandth. It would be 4.47 to the nearest hundredth or 4.5 to the nearest tenth.

8 0
2 years ago
What is the volume of a sphere with an 18 inch diameter ?
photoshop1234 [79]
18 inch diameter = 9 inch radius
Sphere Volume   = <span>  4/3 • <span>π <span>• r³
</span></span></span><span>Sphere Volume   = <span>  4/3 * PI * 9^3
</span></span><span>Sphere Volume   = <span>  4/3 * PI * 729
</span></span><span><span>Sphere Volume   =   </span>3,053.628 </span>




3 0
4 years ago
Read 2 more answers
Which step is the same when constructing an inscribed square and an inscribed regular hexagon?
Colt1911 [192]

After the construction of a circle, we have to "Set the compass to the radius of the circle" so, option C is correct.

<h3>What is a regular hexagon?</h3>

A regular hexagon is defined as a closed shape consisting of six equal sides and six equal angles. The sum of the measure of angles of a regular hexagon is 120 degrees.

Steps to create an inscribed hexagon:

1: The structure needs to adjust the box thickness towards that radius.

2: Afterward moves around the outside of the circular path to just produce the 6 vertices of that similar hexagon.

"Set the compass to the radius of the circle" so, option C is correct.

Thus the above answer is correct.

Learn more about inscribed hexagons here:

brainly.com/question/21502832

#SPJ1

6 0
2 years ago
Read 2 more answers
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