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Verdich [7]
3 years ago
6

Solve this system of equations using substitution:

Mathematics
1 answer:
yanalaym [24]3 years ago
4 0
I’m thinking your r in the first equation is actually an x.

X + 2(2x -4) =10

X +4x -8 =10

5x = 18

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What's 13/20 converted into a decimal
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pogonyaev

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write the equation of the line in slope-intercept form that has a y-intercept that is -5 and a slope of 8
Alex777 [14]

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Step-by-step explanation:

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7 0
3 years ago
The circumference of a pizza is about 38 inches. What is the diameter of the pizza? Round to the nearest tenth if necessary
anygoal [31]

Answer:

The diameter of the pizza is 12 inches

Step-by-step explanation:

Given:

Circumference of a pizza = 38 inches

To Find:

The Diameter of the pizza =?

Solution:

Circumference:

The distance around the edge of a circle (or any curvy shape). It is a type of perimeter.

We know that the shape of the pizza is circle.

So the given circumference is circumference of a circle.

Now,

Circumference of the circle(pizza)=2\pi r

where r is the radius of the circle

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Thus

2\pi r= 38

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Diameter = 2\times r

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8 0
3 years ago
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