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stepladder [879]
3 years ago
8

I don't get how to even do this its solving equations with variables on each side. 8y-3=6y+17

Mathematics
1 answer:
Mariulka [41]3 years ago
4 0
8y - 3 = 6y + 17

First, add 3 to both sides. / Your problem should look like: 8y = 6y + 17 + 3
Second, simplify 6y + 17 + 3 to 6y + 20. / Your problem should look like: 8y = 6y + 20
Third, subtract 6y from both sides. / Your problem should look like: 8y - 6y = 20
Fourth, simplify 8y - 6y to 2y. / Your problem should look like: 2y = 20
Fifth, divide both sides by 2. / Your problem should look like: y = \frac{20}{2}
Sixth, simplify \frac{20}{2} to 10. / Your problem should look like: y = 10

Answer: y = 10

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A 14 inch pizza (diameter is 14) was cut in to 8 pieces. What is the angle measure of each slice? *
Luda [366]

Answer:

The angle for each slice is 45 degrees.

Step-by-step explanation:

In order to calculate the angle of each slice, we first need to calculate the total area of the pizza, because we will use that to find the area of each slice and as a result it's angle. To calculate the area of the pizza we must use:

pizza area = pi*r²

r = d / 2 = 14 /2 = 7 inches

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Since the pizza was divided in 8 pieces, the area of each piece is given by the area of the pizza divided by the number of slices. We have:

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Each slice is a circle sector, therefore it's area is given by:

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Therefore we can solve for angle:

19.2325 = (angle*pi*7²)/360

angle*pi*49 = 6923.7

angle = 6923.7 / pi*49 = 45 degrees

The angle for each slice is 45 degrees.

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If B = w + 10 and C = -w - 1, find an expression that equals B + 2C in standard form
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Step-by-step explanation:

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