-30=-6r-42
-6r=-30+42
-6r=12
r=-2
Answer:
210
Step-by-step explanation:
because you use 13.% divided by the price
Answer:
-13v^4 + v^3 - 10v (if simplified)
Step-by-step explanation:
combine like terms
(-7v^4 - 5v) - (-5v^3 - 2v)+ ( - 7v - 6v^4 - 4v^3)
-7v^4 + -6v^4 = -13v^4
-5v^3 + -4v^3 = v^3 (the five becomes positive because of the negative sign infront of the parenthesis) Example: -(-5v^3) = +5v^3
-13v^4 + v^3 -5v -(-2v) -7v (now we have the -2 left alone in the parenthesis which means it becomes positive too) Example: -(-2v) = +2v
-5v +2v - 7v = -3v -7v = -10v
Answer: -13v^4 + v^3 - 10v
Step-by-step explanation:
this is your answer..........
<span>Let us denote with w the width of the doghouse, and with l the length.
</span>We know that the length of the base is 7 inches more than its width. So, we can write: l=w+7<span>
Area of a rectangle can be calculated with the formula:
area=width*length
In our case, the are of the doghouse is:
area=l*w=(w+7)*w=w^2+7w
</span>Molly wants the area of the base to be at least <span>375 square inches, so we can write:
</span>w^2+7w<span>≥</span><span>375
</span>