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Natasha2012 [34]
3 years ago
7

I need help solving and checking algerbryically

Mathematics
1 answer:
jekas [21]3 years ago
8 0
X-y=1 --> x=1+y
plug it into the first equation 
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2
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Describe and correct the error in finding the area of a sector with a radius of 6 centimeters and a central angle of 40
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Answer:

12.56

Step-by-step explanation:

Remark

Since we don't have anything other than the question, all I can do is answer the question. You are left with the task of figuring out the error.

Formula

Area = (central angle divided by 360 ) * pi r^2

Solution

Area = (40 /360) * 3.14 * 6^2

Area = 1/9 * 3.14 * 36

Area = 4 * 3.14

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3 years ago
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Step-by-step explanation:

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3 years ago
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C. -3, 3, -3, 3, ...

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2 years ago
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Part C
Stels [109]

The equation that shows the relationship between the number of baskets (b) made from outside the three-point line and the number of points scored (p) is p = 3b

In basket ball, If a shot is successfully scored from outside of the three-point line, three points are awarded.

The variables are b and p.

where

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<h3>What is Variables?</h3>

Variables are numbers represented with letters in a mathematical expression.

Therefore, the equation that shows the relationship between the number of baskets (b) made from outside the three-point line and the number of points scored (p) is as follows:

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6 0
2 years ago
Estimate the number of pints in 445 ounces
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To find how many pints are in ounces multiply the ounce value by the conversion factor.

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Given: 445 ounces

Convert 445 ounces into pints multiply 445 to 0.0625.

we have

445 \times 0.0625 =27.8125 pints

Therefore, the estimate number of pints in 445 ounces is, 28 pints

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3 years ago
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