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zalisa [80]
3 years ago
5

A Pairs socks that normally sells for eight dollars is on sale for 15% off find the sale price of the socks then find the total

cost of the jeans if the sales tax rate is 8%
Mathematics
1 answer:
Lena [83]3 years ago
7 0

Answer:

Step-by-step explanation:

The original selling price of the pair of socks is $8. The pair of socks is on sale for 15%. The new selling price of the pair of socks would be the original price - 15% off the original price. It becomes

8 - (15/100 × 8) = 8 - 0.15×8 = 8 - 1.2 = $6.8

if the sales tax rate is 8%, it means that the total cost of the socks would be the new selling price + 8% of the new selling price. It becomes

Total cost of the pair of socks

= 6.8 + (8/100×6.8) = 6.8 + 0.08×6.8 = 6.8 + 0.544 = $7.344

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Which equation has a graph that goes through the points (4, -6) and (0, 6)?
Ugo [173]

Answer:

y = -3x + 6\\

Step-by-step explanation:

Find the gradient of the equation

\frac{Difference in y}{Difference in x} \\\\\frac{6 - - 6}{0 - 4}  = \frac{12}{-4} = -3

The equation will have the gradient -3x

Use the general equation of a line, and substitute the coordinates in to find the y-intercept.

y = x + c\\ y = -3x + c\\

(4, -6)

-6 = -3(4) + c\\ -6 = -12 + c\\ -6 + 12 = c\\ c = 66 = -3(0) + c\\ 6 = 0 + c\\ c = 6

(0, 6)

6 = -3(0) + c\\ 6 = -0 + c\\ c = 6

The equation of the line is

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4 0
3 years ago
What is the missing value in the equation shown □ x1/10=0.034
grin007 [14]

Answer:

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Step-by-step explanation:

Do the inverse operation so;

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Now go back and subsitute,

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4 0
3 years ago
The cost C in dollars of manufacturing x bicycles at a production plant is given by the function shown below.
Andreas93 [3]

Answer:

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Step-by-step explanation:

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Vertex is determined by formula x = -b/2a, in standard form of

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b.

<u>Cost at vertex is:</u>

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Step-by-step explanation:

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