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Lubov Fominskaja [6]
3 years ago
9

-3y+4x-2=-3y+2(2x-1)

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

Answer:

Move all terms containing y to the left side of the equation.

6y+4x−2=4x−2

Move all terms not containing y to the right side of the equation.

6y=0

Divide each term by 6 and simplify.

y=0

Step-by-step explanation:

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Jean sold cupcakes and cookies yesterday. Each cupcake sold for $2.25 and each cookie sold for $0.50. At the end of the day, Jea
slega [8]

Answer:number of cupcakes sold is 13

Number of cookies sold is 27

Step-by-step explanation:

Let x represent the number of cupcakes that Jane sold.

Let y represent the number of cookies that Jane sold.

Each cupcake sold for $2.25 and each cookie sold for $0.50. At the end of the day, Jean had sold $42.75 worth of cookies and cupcakes.

This means that

2.25x + 0.5y = 42.75 - - - - - - - - - -1

she sold 40 cupcakes and cookies combined, it means that

x + y = 40

Substituting x = 40 - y into equation 1, it becomes

2.25(40 - y) + 0.5y = 42.75

90 - 2.25y + 0.5y = 42.75

- 2.25y + 0.5y = 42.75 - 90

- 1.75y = - 47.25

y = - 47.35/-1.75

y = 27

x = 40 - y

x = 40-27 = 13

.

4 0
3 years ago
Please help ASAP<br><br><br>Simplify <img src="https://tex.z-dn.net/?f=%5Csqrt%7B.64x%5E2%7D" id="TexFormula1" title="\sqrt{.64x
Brilliant_brown [7]
Answer: 4/5x

Explanation: simply the expression, then convert it and calculate your answer.
3 0
3 years ago
Subtract integers<br><br> 9 - (10)
BartSMP [9]

Step-by-step explanation:

9-(10) = 9-10 = -1

Hope this helps

4 0
2 years ago
What is 57.82 ÷ 0.784 (show ur work)
faltersainse [42]

Answer:

73.75

Step-by-step explanation:

\frac{57.82}{0.784}
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\frac{57820}{784}

Divide 57820 by 784 to get 7
Now divide 2940 by 784 to get 3

Now divide 5880 by 784 to get 7

Now divide 3920 by 784 to get 5

The solution of the long division is :

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8 0
2 years ago
If h(x) = x - 7 and g(x) = x?, which expression is equivalent to (gºh)
dangina [55]

Answer:

Step-by-step explanation:

sdrgdgdtdt

3 0
3 years ago
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