Answer:
10
Step-by-step explanation:
y=x+3; x=7
Substitute x in with 7
Add 7 and 3
Answer:
about 137 degrees
Step-by-step explanation:
see attached picture
- <span>A </span>projectile<span> is </span>thrown upward so<span> that </span>its distance above<span> the </span>ground after t seconds<span> is </span>given<span> by the </span>function h(t<span>) = - 16t² + </span>640t<span>. </span>After<span> how </span>many seconds<span> does the </span>projectile<span>take</span><span> to reach </span>its<span> maximum height? I made the </span>function<span> .</span>
Answer:

Step-by-step explanation:
Given

Required
Find y

Express as fraction

Multiply through by 30




Answer:

Step-by-step explanation:
<u>Formula Evaluation</u>
Formulas are expressions where a sequence of letters, numbers or symbols have a determined meaning in given system.
Formulas are usually expressed as mathematical operations that connect one or more variables.
The perimeter of a triangle is the sum of the lengths of its sides. Being a,b, and c their sides, then the perimeter has the formula

We are given the values of



Thus the perimeter is

