Answer:
15
Step-by-step explanation:
you add all of them up and you get your answer
Answer:
−
4
n
−
5
Step-by-step explanation:
Simplify the expression.
the angles on the opposite sides of a quadrilateral touching the circumference adds up to 180 degrees
so,
(21x-2) + (38x +5) = 180
21x+38x −2+5=180
59x+3=180
59x=177
x=3
Answer:
7.4 miles per hour
Step-by-step explanation:
To find her speed in miles per hour, divide the amount of miles she ran by the number of hours:
5.55/0.75
= 7.4
So, her speed is 7.4 miles per hour
Answer: he used incorrect time ratio
He incorrectly concluded that she is not running fast enough
Step-by-step explanation: