Answer:

Step-by-step explanation:
Answer:10
Step-by-step explanation:
28-4-4=20
20÷2=10
10+10+4+4=28
Answer:
The length of each blue trim is 17.2 inches
Step-by-step explanation:
Given
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Required
The length of each blue trim
Since all 4 triangles are equal, then the dimension of 1 triangle is:


The hypotenuse (x) of the triangle blue trim is represented by the blue trim
So:

This gives



Take square root


The sum of n terms is given from the first term and the common ratio by

For your given values of a1=-11, r=-4, n=8, the sum of 8 terms is

Steps:
*Find the unit rate*
1) 1,892.5/ 48.5 = 39
*Multiply it by 64*
2) 39 * 64 = 2,496
So, Boyd's car will travel 2,496 miles on 64 gallons of fuel.