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3 years ago

13

The cost of a shirt decreases by 18%. After the discount, the shirt costs $61.91. How much did the shirt cost before the discoun

t?

1 answer:

Alex3 years ago

4 0

Answer:

6rf 6 4 and 3mn

Step-by-step explanatio mjnn: scammed lol

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Which pair of words describes this system of equations 3y=9x-6 2y+6x=4

pishuonlain [190]

Answer:

Consistent and dependent

Step-by-step explanation:

Given

$3y = 9x - 6$

$2y + 6x = 4$

Required

The words that describe the equations

Make y the subject in (2)

$2y + 6x = 4$

Collect like terms

$2y = 4 - 6x$

Divide through by 2

$y = 2 - 3x$

Substitute: $y = 2 - 3x$ in (1)

$3y = 9x - 6$

$3(2 - 3x) = 9x - 6$

$6 - 9x = 9x - 6$

Collect like terms

$9x+9x = 6+6$

$18x = 12$

Solve for x

$x = \frac{12}{18}$

Simplify

$x = \frac{2}{3}$

Substitute $x = \frac{2}{3}$ in $y = 2 - 3x$

$y = 2 - 3*\frac{2}{3}$

$y = 2 - 2$

$y =0$

So, we have:

$x = \frac{2}{3}$ and $y =0$

<em>The system is consistent because it has at least 1 solution</em>

<em>The system is dependent because it has more than 1 solution</em>

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3 years ago

Meryl needs to add enough water to 11 gallons of an 18% detergent solution to make a 12% detergent solution. Which

iogann1982 [59]

Answer: 1.98/11+g = 12/100

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3 years ago

Which of the following represents a function?

zhuklara [117]

The fourth one since it will pass the vertical test.

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3 years ago

This equation shows how the total cost of visiting the art museum as a member is related to the number of visits c= v+7. The var

gulaghasi [49]

Answer:

17

Step-by-step explanation:

the amount of visits given by the problem is:

$v=10$

and we have that the equation that relates the number of visits with the total cost is:

$c=v+7$

where $c$ is the total cost for $v$ number of visits.

We plug into this equation the known value of visitors:

$c=10+7$

and we solve this expression:

$c=17$

the total cost for 10 visitors is 17.

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3 years ago

I am a solid figure with two congruent polygons that are bases, connected with lateral faces that are rectangle

damaskus [11]

I had the same question, same homework, The answer is prism.

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4 years ago