80=x+3x
80=4x
20=x
There are 20 girls.
Answer:
Step-by-step explanation:
Area of 19 by 29 rectangle = 551 sq ft
White space:
Area of large triangle = 0.5*15^2 = 112.5 sq ft
Area of 15 by 14 rectangle = 210 sq ft
Area of small triangle = 0.5*4^2 = 8 sq ft
Shaded area = 551 - 112.5 - 210 - 8 = 220.5 sq ft
Answer:
-infinity, infinity
Step-by-step explanation:
Domain is x, and in a quadratic equation like this one the x axis goes on forever. So the first answer of -infinity, infinity is correct.
Answer:
27
Step-by-step explanation:
<u><em>First, you would do 7+2 to get 9 and then multiply it by itself to get 81. Next, you divide 81 by 3 to get 27.</em></u>
