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Papessa [141]
2 years ago
9

Please answer! I give brainliest when I can! It make my day :-) ASAP :-(

Mathematics
1 answer:
hjlf2 years ago
7 0

Answer:

A=1/2h(7+11) or A=1/2h(77)

The area is dependent on the height and the height changes based on the length of both of the bases

Step-by-step explanation:

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The volume of a rectangular prism with a length of 3.5 m, a width of 8 m, and a height of 6
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The volume of the rectangular prism is 3.5x8x6, which is 168 square meters

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3 years ago
The perimeter of a rectangle is 46 m if the with were doubled and on length were increased by 5 their perimeter would be 66 what
Kamila [148]

Answer:

18 and 5

Step-by-step explanation:

if 'x' - is the length and 'y' - the width of the rectangle, then

2(x+y)=46 - perimeter of the original rectangle and 2(2x+(y+5))=66 - the perimeter of the new rectangle.

\left \{ {{x+y=23} \atop {2x+y=28}} \right. \=> \ \left \{ {{x=5} \atop {y=18}} \right.

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After plotting all the points, the only one that makes sense is (4,3).

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Hello,
balu736 [363]

Answer:

yesss it makes sense!!!!!!!!!!!

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