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shiny9362
25.12.2021 •
Mathematics
what is the perimeter of a parallelogram with a length of 9in and a height of 10in and a width of 8in
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Ответ:
34in
Step-by-step explanation:
In geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. Therefore to find the perimeter of a parallelogram you would say : 2 x (sum of lengths of adjacent sides) so that's how u got my answer.
Ответ:
34 in
Step-by-step explanation:
9 * 2 = 18
8 * 2 = 16
18 + 16 = 34
Ответ:
x=1, y=2
Step-by-step explanation:
1) 8x+3y=14 Original system of linear 2d equations
2x+y=4
2) 8x+3y=14
-4 (2x+y) =-4(4) Multiply second equation by negative four.
3) 8x+3y=14
+ -8x-4y=-16 Add equations, eliminating x terms
4) -y=-2
y=2 solve for y
5) 8x+3(2)=14 Substitute solution for y to solve for x
8x=14-6
8x=8
x=1