Answer:
B. Angle 2 = Angle 3
Step-by-step explanation:
Answer:
The result is about 70.9 degrees
Step-by-step explanation:
Easy for a calculator. If you're not using a calculator, it's much more tedious!
There is an inverse sine key on your calculator, but you may have to press a key (likely labeled 2nd or INV) first. The attached image shows a TI-83 display. To get the inverse sine, I first pressed the yellow 2nd key, then the sin key.
Check MODE first to make sure you're measuring angles in degrees (if that's what you want!). Some calculators display angle mode with a small letter at the top of the display, D, R, or G usually.
The left side of the equation produces just x.

Answer:
400 ft³
Step-by-step explanation:
Dimensional analysis can help you figure this out.
(1000 BTU)/(2.5 BTU/ft³) = (1000/2.5) ft³ = 400 ft³
1000 BTU can cool up to 400 cubic feet of space.
Answer:
$420 is earned in 4 years.
Step-by-step explanation:
1500 * 0.07 * 4 = 420
Answer:
17
Step-by-step explanation:
The y-value, 3, doesn't change, so you just take the absolute value of -8, 8, and add it to 9, 8 + 9 = 17