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Julli [10]
2 years ago
12

One side of triangle is 4 more than 2 2 times the shortest side. the third side is 11 11 centimeters more than the shortest side

. the perimeter is 59 59. find all three sides.
Mathematics
1 answer:
abruzzese [7]2 years ago
5 0
Let s = short side
another side is 2s+4
the last is s+11
s+2s+4+s+11=59
4s = 44

s= 11, 22, and 26

sides are 11,

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Collen family plans to paint the window of their house. her father will paint twice as many window as her mother, and collen and
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Answer:

21 windows

Step-by-step explanation:

collen family plans to paint the windows of their house. her father will paint twice as many windows as her mother, and collen and her 2 brothers will paint an equal number of the rest of the windows. Colleen decided to do her own share and her mother's share and paints 7 window, which is one less than her father's share. how many windows are in their house?

Answer: Let the number of window Collen father would paint be a while that of her mother be b. Since her father will paint twice as many window as her mother, therefore the number of windows painted by the father a = 2b

Let the number of windows that would be needed to be painted each by Colleen and her 2 brothers be c because they would paint the equal number of windows.

The total number of windows to be painted = 2b + b + c + c + c = 3b + 3c = 3(b + c).

Collen painted 7 windows as her mother and her own share which is one less than the fathers share. Therefore b + c = 7.

Also the fathers share a = 2b = 7 + 1 = 8 windows. Therefore b = 4 which is the mother share

Therefore the total number of windows = 3(b + c) = 3(7) = 21 windows

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12 + 3c = 21

3c = 21 - 12

3c = 9

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3 years ago
Find the area of the triangle, also am I correct???
Ierofanga [76]

Answer:

The area of the triangle is 10.92 cm².

Step-by-step explanation:

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A=\frac{1}{2}(2.8)(7.8)=10.92 cm²

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