Answer:
15
Step-by-step explanation:
y=mx+b
b is the intercept
in this equation "m", the slope, would be one. the y-intercept, or "b" would be 15
Answer: 1,070 cm²
Step-by-step explanation:
25 multiplied by 15 is 375.
15 multiplied by 4 is 60.
25 multiplied by 4 is 100.
Now, we multiply these answers by 2.
375 multiplied by 2 is 750.
100 multiplied by 2 is 200.
60 multiplied by 2 is 120.
Add these all up, and you get your surface area, 1,070.
(Tldr; SA = 2lw + 2lh + 2hw)
To find m we add the dimensions and equalise it to the answer first:
5m + 8 + 5m + 8 + 3m + 2 + 3m + 2 = 74 + 7m
Now we simplify
16m + 20 = 74 + 7m
Minus 20 from both sides
16m = 54 + 7m
Minus 7m from both sides
9m = 54
Divide by 9 from both sides
M=6
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