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alisha [4.7K]
3 years ago
14

Solve the system of equations {y=3x-15 y=x+3

Mathematics
1 answer:
GaryK [48]3 years ago
5 0

Answer:

9

Step-by-step explanation:

You can take the two equations and set them equal to eachother, basically turning those two into one and getting x+3=3x-15

The way I did it, I subtracted X first leaving me with 3=2x-15

add 15 to both sides, now resulting in 18=2x

divide by two, and you're left with 9.

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jolli1 [7]

Answer:

1/4 will cancel

Step-by-step explanation:

Simplify the fraction

35

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140

Divide the top and bottom by 7

5

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divide the top and bottom by 5

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2 years ago
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Which of the following is true about automobile loans?
Alina [70]
C is the correct answer
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3 years ago
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Classify each triangle by its side lengths and angle measurements. Choose the two correct names
guapka [62]

Answer:

isosceles

Step-by-step explanation:

An Isosceles triangle that has two sides of equal length.

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3 years ago
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I NEED HELP PLEASE! :)
Romashka-Z-Leto [24]

Circle equation: (x - h) + (x - k) = r²

(h, k) = center

r = radius

The center is (-7, 4)

To find the radius, take the square root of 49.

√49 = 7

The radius is 7.

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6 0
3 years ago
The map below shows the location of 3 houses where you had to do lawn work today. Your truck gets 8 miles per gallon of gasoline
Brums [2.3K]

<u>Answer:</u>

$3.80

<u>Step-by-step explanation:</u>

We are given a graph showing the location of 3 houses where you had to do lawn work today, with the distances from your house.

Given that one truck gets 8 miles per gallon of gasoline and gas costs $1.52 per gallon, we are to find the total cost of the gas used.

Total distance = 7 + 3 + 4 + 6 = 20 miles

Gallons of gas used = 20 / 8 = 2.5

Total cost of gas used = 2.5 * 1.52 = $3.80

6 0
3 years ago
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