3 years ago

Original price $135; 30%

Mathematics

2 answers:

marishachu [46]3 years ago

8 0

Answer:

40.5

Step-by-step explanation:

dividing

Verizon [17]3 years ago

4 0

Yes it is 40.5 he is right

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Write a linear equation that represents the cost of buying T-shirts from Paula’s Printing. Identify the meaning of each variable

vivado [14]

Answer:

$y=21.50x$

Step-by-step explanation:

Let

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

y ----> the cost of buying T-shirts from Paula’s Printing in dollars

take two points from the given data

we have

(2,43) and (4,86)

step 1

Find the slope

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

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

substitute the values in the formula

$m=\frac{86-43}{4-2}$

$m=\frac{43}{2}=\$21.50\ per\ t-shirt$

step 2

Find the equation of the line in point slope form

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

we have

$m=21.50$

$(x1,y1)=(2,43)$

substitute

$y-43=21.50(x-2)$

step 3

Convert to slope intercept form

$y=mx+b$

Isolate the variable y

$y-43=21.50x-43$

$y=21.50x-43+43$

$y=21.50x$

This linear equation represent a proportional relationship (the line passes through the origin)

3 0

4 years ago

Which one is better to buy?

HACTEHA [7]

the 3 gallon bottle of softner

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3 years ago

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George buys a computer. He pays a deposit of £200 and six monthly instalments of £55. How much does George pay for his computer

Citrus2011 [14]

Answer:

530

Step-by-step explanation:

200+6(55)

6x55=330

200+330=530

5 0

4 years ago

multiply (5x^2 x − 4)(x 2). 5x^3 x^2 − 4x − 8 5x^3 11x^2 − 2x − 8 5x^3 10x^2 − 4x − 8 5x^3 20x^2 2x − 8

Ulleksa [173]

(5x^2 + x - 4)(x + 2) = x(5x^2 + x - 4) + 2(5x^2 + x - 4) = 5x^3 + x^2 - 4x + 10x^2 + 2x - 8 = 5x^3 + 11x^2 - 2x - 8

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3 years ago

Find the value of x. Write your answer in simplest form.

givi [52]

Answer:

X = 8

Step-by-step explanation:

Pythagorean triplate

8,8,8√2

4 0

3 years ago

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Original price $135; 30%​

Original price $135; 30%