Answer:
B
Step-by-step explanation:
Answer:
Step-by-step explanation:
Apply the distributive property to get 14x + 42 = 1
Subtract 42 from both sides to get 14x = -41
Divide both sides by 14
By definition of the trig functions,
We have , so , and , so .
Just to check: we should have
by the Pythagorean theorem. Indeed,
Answer:
Ratio of boys to girls,
=> 5:4
If there are 60 girls, then the number of boys
= 5 * 15 : 4 * 15
=> 75 : 60
Therefore, there were 75 boys in the choir
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Answer:
98
Step-by-step explanation:
it would be 70 percent of 140