A pentagon has 5 sides.
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300,000,000 is 3 x 10 to the 8th power
80 weeks
1,200+40x=400+50x
800+40x=50x
800=10x
x=80
Answer:
x = 35.5
Step-by-step explanation:
cos 65° = 15/x
cos 65° · x = 15
x = 15/cos 65°
x = 35.5
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
