Opposites:
a. -3
b. 9
c. 5
d. -12
Answer:
Hi,
Step-by-step explanation:
PR²=PQ²+QR²-2*PQ*QR*cos(51°)
=15²+12²-2*15*12*cos(51°)
=142,444659....
PR=11.9350...
PQ²=QR²+PR²-2*QR*PR*cos(R)
cos(R)=(12²+142.444...-15²)/(2*12*11.9350...)=0,21451112....
angle R=77,61315...°≈77.6°
angle P=180°-51°-77.6°≈51,4°
Answer: Choice A
A trapezoid has only 1 pair of parallel sides, but a parallelogram has 2.
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Explanation:
These terms are just things you memorize. A diagram of two examples is shown below. The example shows a non-rectangular parallelogram, but you could go with rectangles or squares if you wanted to.
Answer:
4,000
Step-by-step explanation:
If you are single and a wage earner with an annual salary of $40,000, your federal income tax liability will be approximately $4,000.
Answer:
6.3
Step-by-step explanation: