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motikmotik
2 years ago
6

If four pounds of a certain candy cost $10 how many pounds of that candy can be purchased for $12

Mathematics
1 answer:
Mama L [17]2 years ago
3 0
4.8 pounds, set it up as 4 over 10 times x over 12, to find x multiply 4 by 12, and divide by ten. The result is 4.8
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marta [7]

Answer:

6.75 kg

Step-by-step explanation:

6/8 = 0.75

0.75 x 9 = 6.75

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2 years ago
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luda_lava [24]

Answer:

Step-by-step explanation:

interchange x and y

y= 1/(x - 2)

x = 1 / (y - 2)      Multiply both sides by y - 2

x(y - 2) = 1          Remove the brackets

xy - 2x = 1          Add x to both sides

xy = 1 + 2x         Divide by x

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The brackets have been destroyed. The answer is as I've given it.

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Solve 15x+3y=9,10x+7y=-4
TiliK225 [7]

Answer:

x = 1, y = -2

Step-by-step explanation:

15x + 3y = 9 (1)

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2 × (1)

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Dafna11 [192]

Answer:

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Step-by-step explanation:

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3 years ago
What is the solution to the system of equations below?
Karolina [17]

Answer:

The solution is the point (18,0)

Step-by-step explanation:

we have

y=-\frac{1}{3}x+6 -----> equation A

y=\frac{1}{3}x-6 -----> equation B

Solve the system by substitution

substitute equation B in equation A

\frac{1}{3}x-6=-\frac{1}{3}x+6

solve for x

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\frac{1}{3}x-6+\frac{1}{3}x=6

\frac{2}{3}x-6=6

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\frac{2}{3}x=6+6

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x=12(3)/2\\x=18

<em>Find the value of y</em>

substitute the value of x in equation A or equation B

y=-\frac{1}{3}(18)+6=0

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2 years ago
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