8 + 0.7 + 0.02 + 0.0004 is 8.7204 in expanded form
Answer:
90 mi/h
Step-by-step explanation:
Given,
For first 30 miles, her speed is 30 miles per hour,
Let x be her speed in miles per hour for another 30 miles,
Since, here the distance are equal in each interval,
So, the average speed of the entire journey
According to the question,
Hence, she needs to go 90 miles per hour for remaining 30 miles.
Answer:
10 sq units
Step-by-step explanation:
Area of triangle = 1/2(4)(2) or 4 square units
Area of trapezoid = 1/2(2)(2+4) or 6 square units
Combined area = 10 sq units
The percent of water would be 40%
6:18 students in Debra's class own a cellphone. Because there are 24 people in total. Minus the people who already own cellphones. Leaving 18 without cellphones. The ratio is people who have cellphones to people who do not.
24-6=18. Thus, the ratio would be 6:18
