One afternoon your family goes out to pick strawberries for jam. At

Mathematics

1 answer:

Elza [17]4 years ago

8 0

Answer:

Average rate of picking = 12.5 quarts per hour

Step-by-step explanation:

Given:

Total time taken = 1:00 PM to 3:00 PM = 2 hour

Amount of strawberries = 28 quarts

Amount of strawberries (already) = 3 quarts

Find:

Average rate of picking

Computation:

Average rate of picking = (28 - 3) / 2

Average rate of picking = 25 / 2

Average rate of picking = 12.5 quarts per hour

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Two airplanes are flying to the same airport. Their positions are shown in the graph. Write a system of linear equations that re

wariber [46]

Answer:

Airplane #1 equation: y=5/13x+42/13

Airplane #2 equation: y=1/3x+14

Step-by-step explanation:

So to find the slope of each airplane, you use the formula y2-y1/x2-x1. That means, for airplane#1 the equation will be 9-4/15-2. Simplify this and get 5/13. Then, for airplane#2, the equation will be 12-9/6-15. Simplify this and get 3/-9 and divide each side by 3 to get 1/-3 or -1/3. Next, use point slope formula to find the system of linear equations. Point slope formula is y-y1=m(x-x1). M is the slope. Use any point from the line. In this case, I will use (2,4). Tat means the first airplane's equation would be y-4=5/13(x-2). Then y-4=5/13x-10/13. Then, convert four into a fraction with a denominator of 13. This means, you have to multiply 4 by 13 to get 52/13. Add 52/13 to -10/13 to get 42/13. That means the first equation will be y=5/13x+42/13. The second equation point will be (6,12). This means the equation will be y-12=-1/3(x-6). Simplify this to get y-12=-1/3x+2. Simplify this to get y=1/3x+14. Therefore, Airplane#1 equation will be y=5/13x+42/13 and airplane #2 equation will be y=1/3x+14.

Hope this helps

6 0

3 years ago

A(n-3)+8=bn solve for n

Lelu [443]

I am pretty sure this is right