Answer: (-2, 1)
Step-by-step explanation:
Answer:
x=25°
Step-by-step explanation:
The given angle is a 90° angle. We know this because of the little square in the corner. This means that both angles must add up to 90°:
Insert the known values:
Solve for x. Subtract 65 from both sides:
The missing angle, x°, is 25°.
:Done
Answer:
(320 ÷ 50) × 100
Step-by-step explanation:
if you divide 320 by 50, you get what a single percent of the original price would be. So to get the original price, you just need 100 of the singular percentages, which you can get by taking a singular percentage (320 ÷ 50) and multipoint it by 100
Answer:
Step-by-step explanation:
because 8(8)=64 and 8 is the positive square root of 64.
because 17i(17i)=289i^2=-289(-1)=-289.