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3 years ago

Kenji went on a shopping trip to Westminster. He purchased a crystal sculpture originally

Mathematics

1 answer:

Novay_Z [31]3 years ago

4 0

Answer:

$57.50

Step-by-step explanation:

75(0.2 discount)
=15
75-15
=50
50(0.15 sales tax)
=7.50
50+7.50
=57.50

Can you mark me brainliest on both of my answers pleaseee. I would appreciate it (✿◠‿◠)

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Television screen sizes are the diagonal length of the

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Answer:

(8×6)+2×((14+6)×6)

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Step-by-step explanation:

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Which of the following is a result of the construction of a median of a triangle?

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Answer:

A side of the triangle is bisected

Step-by-step explanation:

The median of a triangle connects a vertex to the midpoint of the opposite side. That is, it bisects the side it meets:

A side of the triangle is bisected

_____

<em>Comment on other choices</em>

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3 years ago

8 A television show uses 15 minutes of every hour for commercials, leaving

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3 years ago

Write a linear equation that represents the cost of buying t-shirts from Paula's printing. identify the meaning of each variable

g100num [7]

Answer:

Part 1) $y=x+21.5$

Part 2) $y=x+18$

Step-by-step explanation:

Part 1) Write a linear equation that represents the cost of buying t-shirts from Paula's printing.

Let

x ----> the number of t-shirts

y ----> the cost in dollars

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take two points from the table

(2,23.5) and (4,25.5)

substitute in the formula

$m=\frac{25.5-23.5}{4-2}$

$m=\frac{2}{2}=1$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=1$

$(x1,y1)=(2,23.5)$

substitute

$y-23.5=(1)(x-2)$

Convert to slope intercept form

$y=mx+b$

$y=x-2+23.5$

$y=x+21.5$

Part 2) Write a linear equation that represents the cost of buying t-shirts from Shantay's shirts.

Let

x ----> the number of t-shirts

y ----> the cost in dollars

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take two points from the table

(2,20) and (4,22)

substitute in the formula

$m=\frac{22-20}{4-2}$

$m=\frac{2}{2}=1$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=1$

$(x1,y1)=(2,20)$

substitute

$y-20=(1)(x-2)$

Convert to slope intercept form

$y=mx+b$

$y=x-2+20$

$y=x+18$

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3 years ago