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blagie [28]
3 years ago
10

Use the substitution method to solve the system of equations. Choose the

Mathematics
1 answer:
weqwewe [10]3 years ago
3 0
3x + (x-2) =10
4x-2=10
4x=12
x=3
y=3-2=1
Answer is D
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Help me please ill give brainliest give the CORRECT answer please
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Answer:

  174 ft²

Step-by-step explanation:

Assuming you're interested in the area of the figure, you can compute it as the sum of the areas of the triangle and rectangle.

The unknown side of the triangle can be figured from the overall dimension of the rectangle and the two lengths that are not part of the triangle base:

  6 ft + triangle base + 6 ft = 18 ft

  triangle base = 18 ft - 12 ft = 6 ft

Then the area of the triangle is ...

  A = 1/2bh = 1/2(6 ft)(4 ft) = 12 ft²

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Of course, the area of the rectangle is the product of its length and width:

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3 0
3 years ago
Grayson baked 24 sugar cookies. His family ate 1/3 of the cookies. How many cookies did they eat? How many cookies are left?
horrorfan [7]

Answer:

His family ate 8 sugar cookies.

16 sugar cookies are left.

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4 years ago
Use the replacement set {3, 4, 9} to find the solution of the equation below.<br> 3n−18=9
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Answer:

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