Answer:
A
Step-by-step explanation:
Using the sine ratio in the right triangle
sin40° = =
=
Multiply both sides by 7, thus
AC = 7sin40° → A
Notice that the rule for each animal involves counting the number of chirps in different time intervals. For the Brookdale crick
1 answer:
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3(5y + 6) - 4
First, distribute so that it will make the solving easier.
Second, since parentheses indicate multiplication, '3 × 5y = 15y'.
Third, multiply '3 × 6' to get '18'.
Fourth, subtract '18 - 4' to get '14'.
Answer: C) 15y + 14
First, distribute so that it will make the solving easier.
Second, since parentheses indicate multiplication, '3 × 5y = 15y'.
Third, multiply '3 × 6' to get '18'.
Fourth, subtract '18 - 4' to get '14'.
Answer: C) 15y + 14