Answer:
12 m
Step-by-step explanation:
perimeter is all of the sides together, so 2 7's and 2 x's. You would subtract 14 from 38 to get 24, then divide it by 2 to get the missing side, which is 12
Answer:
the solution is in the figure
the number is -5
Answer:
y=-1/3x+4
Step-by-step explanation:
1/3x+y=4
y=4-1/3x
y=-1/3x+4
Answer:
f(-3) = -4
Step-by-step explanation:
f(x) = -2x² - 3x + 5
f(-3) = -2(-3)² - 3(-3) + 5
f(-3) = -2(9) + 9 + 5
f(-3) = -18 + 9 + 5
f(-3) = -9 + 5
f(-3) = -4
Answer:
57 minutes
Step-by-step explanation:
6*3=18 minutes then if you add 18+39 you get 57