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ZEAHWOLFY124IN
Answered

4. What is the value of 9b + 4, if b = -3 when simplified? *

A.-16
B.-23
C.23
D.31

5. The width of a rectangular garden is 2x – 5 feet and the length is 5x + 3 feet. What is the perimeter of the garden if x = 5? *

A.140 feet
B.81 feet
C.66 feet
D.56 feet

Sagot :

KIYOKOSHIMIZU0987IN
4.) B.
9(-3) + 4
9 x -3 = -27 + 4 = -23
STILL0613IN

Answer:

4. b

5.c

Step-by-step explanation:

[tex]4. b = - 3 \\ \: n= 9b + 4 \\ = (9( - 3)) + 4 \\ = ( - 27) + 4 \\ = - 23 \\ \\ \\ 5. \\ 5. \: \: x = 5 \\ w = 2x - 5 \\ = 2(5) - 5 \\ = 5 \\ \\ l = 5x + 3 \\ = 5(5) + 3 \\ = 28 \\ perimeter = 2l + 2w \\ = 2(28) + 2(5) \\ = 56 + 10 \\ = 66[/tex]

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