Perimeter=2 times the width + 2 times the length
<u><em>Answer: 18x-15. </em></u>
Step-by-step explanation:
distributive property: a(b+c)=ab+ac
do remove parenthesis.
11x-8+7(x-1)
expanded form.
7(x-1)=7x-7
11x-8+7x-7
simplify.
11x-8+7x-7=18x-15
<u><em>=18x-15</em></u>
Hope this helps!
Thanks!
Have a great day!
Answer:
1
Step-by-step explanation:
Method 1: Graph, then look at positive zero because time cannot be negative.
Method 2: You just want to find time when the height is zero, so if you set h at zero, you find it is a quadratic; from there you can factor, graph, or use the quadratic formula to solve.
