Answer:
Option A : 15x² + 62x + 63 is the correct answer.
Step-by-step explanation:
Given measurements of the figure are:
5x + 9 and 3x + 7
We have to find the area. We can find the area by multiplying the two expressions.
Area = (5x+9) * (3x+7)
Area = 5x (3x+7) +9(3x+7)
Area = 15x² + 35x + 27x + 63
Area = 15x² + 62x + 63
Hence,
Option A : 15x² + 62x + 63 is the correct answer.
Answer:
31.2
Step-by-step explanation:
156 * .2 = 31.2
The <u>correct answer</u> is:
A decimal that ends.
Explanation:
"Terminating" means ending. A terminating decimal is one that has a last digit; it does not continue infinitely (never-ending) and it does not repeat infinitely. It has a single digit at its end.
Answer:
4 hours
Step-by-step explanation:
The amount remaining at the end of each hour is 0.85 of the amount at the start of the hour. You want to find the exponent such that ...
... 0.85^x = 0.5 . . . . . x = the number of hours until half is left
... x·log(0.85) = log(0.5) . . . . . take the log to turn it to a linear equation
... x = log(0.5)/log(0.85) ≈ 4.265024
Rounded to the nearest hour, x = 4.
Answer:
8. 
and 1
9. 
and -5
Step-by-step explanation:
Hope this helps ;)
