Who can help me with 9th grade math
1 answer:
You might be interested in
Answer:
64 feet × 48 feet
Step-by-step explanation:
Dimensions refers to the measurements of the house including length and breadth of the house.
Given:a blue print of a house is drawn using a scale of
To find:the dimensions of the bedroom on the blueprint
Solution:
Length of the bedroom = 16 in
So, length of the bedroom in the blueprint = 16×4=64 feet
Breadth of the bedroom = 12 in
So, breadth of the bedroom in the blueprint = 12×4 = 48 feet
Therefore, dimensions of the bedroom in the blue print = 64 feet × 48 feet
Answer:
Her usual driving speed is 38 miles per hour.
Step-by-step explanation:
We know that:
In which s is the speed, in miles per hour, d is the distance, in miles, and t is the time, in hours.
We have that:
At speed s, she takes two hours to drive. So
However, on one particular trip, after 40% of the drive, she had to reduce her speed by 30 miles per hour, driving at this slower speed for the rest of the trip. This particular trip took her 228 minutes.
228 minutes is 3.8 hours. So
So
Her usual driving speed is 38 miles per hour.