Answer:
21
Step-by-step explanation:
3x-7=-21
-21x-1=21
hope this helps, brainliest is always appreciated :3
Answer:
-5
Step-by-step explanation:
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Answer:
29.5 inches squared
Step-by-step explanation:
The formula for the area of a trapezoid is
,
so base1 = 14 inches and base2 = 30 inches
since there is a right angle, you know that the height must equal the length of the left side, so the height = 15 inches
then, 14+30+15=59 and 59/2=29.5
therefore, your answer would be 29.5 inches squared
Answer:
0.714 mins
Step-by-step explanation:
by using the rule of three:
180 mins----->252 ballons
x----------------1 ballon=0.714 mins
Solve for x first
-6x - 42 = -4x -2
-6x = -4x + 40
- 2x = 40
X = -20
The equation has one solution