Mandy is saving money to buy a new car. For the past 4 weeks, she has added $273 each week to her account. She also added $230 t
1 answer:
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Answer:
cos(θ) > 0
Step-by-step explanation:
In Quadrant IV, the cosine is positive.
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In the attached, trig functions not listed are negative.
A) x + 8 = 28
x = 28 - 8
x = 20
B) y - 4 = 30
y = 30 + 4
y = 34
C) s + 2s = 36
3s = 36
s = 12
D) t - t + 4t = 16
4t = 16
t = 4
E) 5a = 15
a = 3
F) 8x - x = 21
7x = 21
x = 3