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Alexus [3.1K]
3 years ago
9

Stephen paid $340 for a $320 sofa. The extra amount was for tax. What was the percentage of tax for the sofa?

Mathematics
1 answer:
goldenfox [79]3 years ago
3 0
340-320 means 20 dollars for tax. Next we need to figure out what percent of 320 is 20 so we do 20/320 = .0625 so its 6.25% for tax... to check the problem do 320 x .0625 and it  equals 20.
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Can someone pls help me?
kirza4 [7]

Answer:

\frac{8}{24}

Step-by-step explanation:

If Adam's family uses 8lb of apples to make pie. We know that 3 x 8 = 24, so it's probably approximately 3 out of 18.

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1 year ago
I need help please.
sweet-ann [11.9K]

Answer:

<u>Third Option</u>: y = \frac{5}{4}x

Step-by-step explanation:

Given the points on the graph, (4, 5) and (-4, -5):

In order to determine the equation of the given graph in slope-intercept form, y = mx + b:

Use the given points to solve for the slope:

Let (x₁, y₁) = (-4, -5)

(x₂, y₂) = (4, 5)

m = (y₂ - y₁)/(x₂ - x₁)

m = \frac{5 - (5)}{4 - (-4)}  = \frac{5 + 5}{4 + 4}  = \frac{10}{8} = \frac{5}{4}

Therefore, the slope of the line is: m = \frac{5}{4}.

Next, use one of the given points on the graph, (4, 5) to solve for the y-intercept, b:

y = mx + b

5 = \frac{5}{4} (4) + b

5 = 5 + b

5 - 5 = 5 - 5 + b

0 = b

Therefore, the linear equation in slope-intercept form is: y = \frac{5}{4}x.  The correct answer is Option 3.

8 0
3 years ago
Simultaneous equation <br> Find x and y <br> 2x+y=5<br> X+3y=5
snow_tiger [21]
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Answer:

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melomori [17]

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