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Answer:
45° or 135°
Step-by-step explanation:
Cos 2x = 0
2x = cos^-1 0
2x = 90° or 270°
x= 45° or 135°
Answer:
16.27778 m/s
97666.6667 cm/min
Step-by-step explanation:
<u>a. To convert km/hr into m/sec, multiply the number by 5 and then divide it by 18.</u>
m/s = (58.6 * 5) /18 = 16.27778 m/s
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<u>b. 1 Kilometer/Hour = 1666.66666666667 Centimeter/Minute</u>
so 58.6 * 1666.666 =97666.6667 cm/min
Answer:
B:-1
Step-by-step explanation:
Just took test 2021
Answer:
28°
Step-by-step explanation:
soln
(x+3)°+(2x+3)°
x°+3°+2x°+3°=90°(beign complementary angles)
3x+6=90°
3x=90°_6
3x=84
x=84/3
x=28°