Answer:
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Answer:
Step-by-step explanation:
Perimeter of a triangle equals side 1 plus side 2 plus side 2
P = s1 + s2 + s3 side 1 = side 2 = x
x/side 3 = 5 / 3
x = (5/3) side 3
x (3/5) = side 3
perimeter = 65 slove for x
65 = x + x + 3x/5
325 = 5x + 5x + 3x
325 = 13X
25 = x equal side 1 and side 2
side 3 = 25(3/5) = 15
Answer:
10000 cm cubed
Step-by-step explanation:
The surface area of the present is 25 times 20 times 20 which equals 10000 cm cubed.
Answer:
x=5
Step-by-step explanation:
4(3x+2)=68
Divide each side by 4
4/4(3x+2)=68/4
3x+2 =17
Subtract 2 from each side
3x+2-2 = 17-2
3x = 15
Divide each side by 3
3x/3 = 15/3
x =5