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Lady_Fox [76]
4 years ago
14

Please help can't get this one Thank you

Mathematics
2 answers:
dimulka [17.4K]4 years ago
7 0
Let's solve the area of each triangle:
A = 1/2(bh)
A = 1/2(12*10)
A = 1/2(120)
A = 60
A = 60ft per each triangle. There are 4 triangles
4(60) = 240ft
Save that value for later.

Volume of square = s^2
V = 10^2
V = 100

100+240 = 340 ft.

Mrrafil [7]4 years ago
5 0
136 ft2
hope this helped 
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Find the midpoint of the segment with the given endpoints (7, -7) and (-8,4)
Juli2301 [7.4K]

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6 0
3 years ago
I need help what is 3-2y+(-8y)+7.8
Snowcat [4.5K]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
-7.85=x/-3.14 <br> solve for x
liraira [26]
Okay. So, from the two numbers that are shown right now, x will definitely represent a positive number. What we have to do is the inverse. Basically, we'll do the inverse (opposite of division) and multiply both numbers to find x. 7.85 * 3.14 = 24.649, which rounds to 24.65 if you need to round your answer to the nearest hundredth or 24.6 if you need to round it to the nearest tenth. Or if you can just use the number as it shows up, then the real answer is 24.649
7 0
3 years ago
Find the length of BC, in simplest radical form.
zubka84 [21]

9514 1404 393

Answer:

  BC = 16 +12√3

Step-by-step explanation:

In the attached, we see that ∆ABE is a 30°-60°-90° triangle with AB the short side and BE the hypotenuse. Then BE = 2·AB = 12√3.

EC is the side opposite AD in parallelogram ADCE, so is the same length, 16.

The length BC is ...

  BC = EC +BE

 BC = 16 +12√3

8 0
3 years ago
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