After doing some math we find that
SA=2(LW+LH+WH)
so
L=22
W=16
H=18
first convert everybody to feet
L=1.83333333ft
W=1.3333333ft
H=1.5ft
SA=2(1.833333333*1.3333333+1.833333333*1.5+1.333333*1.5)=
SA=2(2.44444+2.75+2)
SA=2(7.19444444)
SA=14.3888888888888888
closes one is option G
Considering that the sine is negative and that the cosine is positive, the angle is on the fourth quadrant, hence option C is correct.
<h3>What are the signs of the sine and of the cosine in each quadrant?</h3>
- Quadrant 1: Both positive.
- Quadrant 2: Sine positive, cosine negative.
- Quadrant 3: Both negative.
- Quadrant 4: Sine negative, cosine positive.
Hence, since the sine is negative and that the cosine is positive, the angle is on the fourth quadrant, hence option C is correct.
More can be learned about quadrants at brainly.com/question/28021191
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Answer:
Step-by-step explanation:
Move all terms containing b to the left, all other terms to the right. Add '81' to each side of the equation. -81 + 81 + b 2 = 0 + 81 Combine like terms: -81 + 81 = 0 0 + b 2 = 0 + 81 b 2 = 0 + 81 Combine like terms: 0 + 81 = 81 b 2 = 81 Simplifying b 2 = 81 Take the square root of each side: b = {-9, 9}
Answer:
4/10
Step-by-step explanation:
it is equivalent because we multiplied both numerator and denominator by two and it keeps the ratio making it equivalent