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Bad White [126]
3 years ago
12

6. What is the y-value to the solution of y = 5x -4 y = 2x + 8?

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
8 0

Answer:

y = 16, don't know if I'm 100% right but hope this helps.

Step-by-step explanation:

since they both equal Y they may be equal to each other

Then you would subtract 2x from both sides canceling it out on one side

2x + 8 = 5x - 4

-2x         -2x

This would make the equation 8 = 3x - 4

next you add the 4 from both sides

8  = 3x - 4

+4         +4

This will leave you with 12 = 3x

now you divide 3 from both sides and 12/3 = 4 makes X = 4

next you take (4) and plug it in to one of the equations

y = 2(4) + 8

y = 8 + 8

y = 16

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Quality Cleaners decides to raise the price of dry cleaning a vest from $5 to $6. The same percent increase is applied to dry cl
devlian [24]

Answer:

$14.4

Step-by-step explanation:

The original price of dry cleaning a vest = $5

The new price of dry cleaning a vest = $6

The percentage increase is obtained by

\frac{new price-old price}{old price}× 100

\frac{6-5}{5}×100 = 20%

hence, there is a 20% increase in price.

applying this 20% increase to the cost of dry cleaning, the new cost will become

\frac{100+20}{100}×12

this is a 120% increase in cost.

mathematically this can be solved by

\frac{120}{100}×12 = $14.4

hence, the new cost of dry cleaning is $14.4

5 0
3 years ago
Choosing a 6 one though six then a prime number
oksano4ka [1.4K]
First off, there are 6 choices: 1, 2, 3, 4, 5, and 6


The probability of getting a 6 is 1/6
The probability of getting a prime number is 1/2

Multiply them and you get 1/12

The probability is 1/12.

Hope this helped!
7 0
3 years ago
ALGEBRA HELP!!!! photo attached!!! A rectangular plot of ground is 10 m longer than it is wide its area is 10,000 square meters.
faust18 [17]

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algol [13]
Not sure the question is but 0.6 is rational but pi is irrational and anything with pi in it is irrational too
5 0
3 years ago
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Solve for y <br> 5y-x=10<br><br> Is it 2?
svet-max [94.6K]
5y-x=10
Isolate the variable
add x to both sides
5y-x+x=10+x
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Divide both sides by 5
5y/5=10+x/5
y=2+1/5x 
So y is equal to 2+1/5x
5 0
2 years ago
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