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finlep [7]
3 years ago
5

An equilateral triangle has a perimeter of 15x3 + 33x5 feet. What is the length of each side?

Mathematics
2 answers:
Makovka662 [10]3 years ago
8 0

Answer:

That one person in the comments said it was D. all i wanted to say is she was right cause i clicked on D and it was correct so yeah that's all i wanted to say lol

Step-by-step explanation:

RUDIKE [14]3 years ago
5 0
(15x3) feet ÷ 3 = (5x1) feet = 5 feet 
33 feet x 5 feet=165 feet
165 feet ÷ 3 = 55 feet 
55 feet÷(33 feet÷3)=55 feet ÷ 11 feet = 5 feet

Ans: 
5 + 11 x 5 feet
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dmitriy555 [2]

So the picture below shows what the slant height is. It also shows that the pyramid can form a right triangle, in which we can use the pythagorean theorem, which is leg^2+leg^2=hypotenuse^2 .

But first, we have to find the height of this pyramid. The volume formula for a square pyramid is A=\frac{lwh}{3} . Since we know its a square pyramid, the length and width are going to be the same (12 ft), and we know that the volume is 432 ft^3. Using this info, we can solve for the height:

432=\frac{12*12*h}{3}\\ 1296=12*12*h\\ 1296=144*h\\ 9=h

So now we can use the pythagorean theorem (remember to split the 12 by 2, since the right triangle has only half the length of the base). Our equation will be solved as such:

6^2+9^2=s^2\\ 36+81=s^2\\ 117=s^2\\ 10.8=s

In short, the slant height is 10.8 ft.

3 0
3 years ago
How do you round 8.656 to the nearest tenth
MrRissso [65]
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3 years ago
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Which of the following hypotheses/theories suggests that investors regard a change in dividend payments as a signal that the fir
lutik1710 [3]

Answer:

C

Step-by-step explanation:

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Please help! :) (Whoever answers first I'll give Brainlest!)
Irina-Kira [14]

Answer:

87

Step-by-step explanation:

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Final answer: x=-10/13
3 0
3 years ago
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