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sveta [45]
3 years ago
8

A rectangle is 8 feet long. Its width is represented by "seven plus x feet." Which expression represents the area, in square fee

t, of the rectangle? A 15 + x B 56 + x С 56 + 7x D 56 + 8x​
Mathematics
1 answer:
8_murik_8 [283]3 years ago
3 0

Answer:

d

Step-by-step explanation:

fill in for x. 8*8 is 64. 56+9=64.

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Step-by-step explanation:

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4 0
3 years ago
In ΔBCD, \overline{BD}
Alex787 [66]

Answer:

30degrees

Step-by-step explanation:

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Since the sum of the interior angles is equal to the exterior, hence;

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3x - 7x = -19 - 9

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