A washer and a dryer cost $772 combined. The washer cost $72 more than the dryer. What is the cost of the dryer
2 answers:
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Answer:
Lucy sews dresses in 1 hour.
Step-by-step explanation:
Given:
Lucy sews of a dress in
hour.
She sews at constant rate.
We need to find the number of dresses she makes in 1 hour.
In hour =
dress
So in 1 hour = Number of dresses in 1 hour
By using Unitary method we get;
Number of dresses in 1 hour=
Hence Lucy sews dresses in 1 hour.
Answer:
Use Heron's formula; see below.
Step-by-step explanation:
Use Heron's formula.
Let the sides of the triangle have lengths a, b, and c.
Example:
A triangle has side lengths 3, 4, and 5 units.
Find the area of the triangle.