<em><u>45(x)-20 </u></em>
x=hours
7 hours
x=7
<em><u>45(7)-20 =295</u></em>
Answer:
<em>2(x) + 2(x + 3) = 90 </em>
Step-by-step explanation:
Width: x inch.
Length: (x + 3) inch.
P = 2
+ 2
P = <em>2(x) + 2(x + 3) = 90</em>
Answer:
12-9x
Step-by-step explanation:
Here, we want to write an algebraic expression from the given statement
Let us start with the product of 9 and a number x
What this mean is that we want to multiply 9 and x
That gives 9 * x = 9x
Now, 12 is decreased by this product means we are to subtract 12 from it
we have this finally as;
12-9x
Answer:
388 in²
Step-by-step explanation:
(10)(19) + (11)(18) = 388 in²