Jenna and Corey solved the equation, 4(x+4) = 2( 2x+5) +6, and came up with two different solutions.

Mathematics

1 answer:

iogann1982 [59]3 years ago

6 0

Answer: C

Step-by-step explanation:

They both end up equaling 4x+16 so they cancel each other out

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Z+(z-6)-2=-10 how do you solve this

umka21 [38]

Combine like terms
2z-8=-10

Then add 8 to both sides
2z=-2

Then divide both sides by 2
z=-1

Final answer: z=-1

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2 years ago

Their total bill is $356.88. If they pay $220 in cash and charge the remainder, how much will they charge?

blondinia [14]

Answer:

$136.88

Step-by-step explanation:

$356.99

-$220.00

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$136.88

Therefore that would be the remainder.

Hope this helped : )

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Ghella [55]

Y result from something being multiplied by X , and the values are always proportional to one another . Notice that putting these points into a ratio of x - value to Y - value result in 1:3 as a simplified version . So , The constant of proportionality is what x is being multiplied by to get y . In this case , it is 3

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2 years ago

McKenna and Lara work for their uncle Eddie who repairs skateboards and bicycles. Uncle Eddie is leaving for a vacation to the A

natali 33 [55]

Let x be a number of skateboards and y be the number of bicycles in Eddie's repair shop.

Eddie asks the girls to order 54 new wheels for 21 skateboards and bicycles, then

x+y=21.

One scateboard has 4 wheels, then x scateboards have 4x wheels, one bicycle has 2 wheels, then y bicycles have 2y wheels. In total there should be ordered 54 wheels, so

4x+2y=54.

Solve the system of equations:

$\left\{\begin{array}{l}x+y=21\\4x+2y=54.\end{array}\right.$