Answer: y ≈ 10.6 cm
Step-by-step explanation:
The cosine function relates the adjacent side to the hypotenuse in a right triangle. The side adjacent to the 20° angle is 10 cm.
cos(20°) = (10 cm)/y
y = (10 cm)/cos(20°)
y ≈ 10.6 cm
Answer:
35 and 55
Step-by-step explanation:
x+(2×-15)=90
3x-15=90
3x=105
x=35
other angle is 35×2-15=55
D
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It’ll be faster than here with steps!
Answer:
1+7+8+8
Step-by-step explanation:
2 to the negative 1 power. When you divide two exponents with the same base, you subtract the two exponents to get your answer.
:)
