Answer:
<h3>
x-intercepts: (-7, 0) and (7, 0)</h3><h3>
y-intercept: (0, -49)</h3>
Step-by-step explanation:
x-intercepts: f(x) = 0
x² - 49 = 0
x² = 49
x = -7 ∨ x = 7
Points: (-7, 0) and (7, 0)
y-intecept: y = f(0)
f(0) = 0² - 49 = -49
Point: (0, -49)
Answer:
rectangle and a square
Step-by-step explanation:
Compound interest formula is

where A is the amount after T years, P is the principal amount you start with, R is the interest rate, and N is the amount of compounding periods. Semi-annually means we only have 2 compounding periods.
Now plug in:

which becomes

. Plug this into your calculator.
A = 5788.125. Because it's money, you would round to the nearest penny.
A = 5,788.13 dollars
Answer: x=23 degrees
Step by step: 90-67=23