61497
31.07.2019 •
Mathematics
The ratio of two sides of a parallelogram is 3: 4 and the perimeter is 28 in. find the lengths of the sides of the parallelogram.
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Ответ:
Then, w = 3h/4;
2x(3h/4) + 2h = 28;
3h/2 + 2h = 28;
3h + 4h = 56;
7h = 56;
h = 8 in;
w = 24/4;
w = 6 in.
Ответ:
5
Step-by-step explanation:
G(x)=-2x-9
Let x = -7
g(-7) = -2(-7) -9
= 14 - 9
= 5