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Zepler [3.9K]
3 years ago
13

James buys a video game for his Xbox for $49.99, a controller for $34.95. The sales tax in his area is 8.25%. What will be the t

otal cost of his purchase?
Mathematics
1 answer:
mina [271]3 years ago
5 0

Answer:

$91.95

Step-by-step explanation:

First add all the items cost together: $49.99 + $34.95 = $84.94

Now to add the sales tax, first multiply the total cost by 0.00825:

$84.94 x $0.0825 = $7.00755

Now add 7.00755 to the total cost Of the items:

$84.94 + $7.00755 = $91.94755

Round to the nearest cent to get your total cost including sales tax:

$91.95

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Number 5 i don’t know what to plug in for the original height
rewona [7]

Answer:

original height = .2(8) + 13.4 = 15 inches

Step-by-step explanation:

To find the original height you multiply .2 by 8 to see how much was burned and then you add that to whats left (13.4) to give you the original height.

4 0
3 years ago
PLEASE ANSWER ASAP 20 pts
Fofino [41]

Answer:

6:15 and 8:20 are examples of additional equivalent ratios.

Step-by-step explanation:

The table is:

<u>Books (x)     Cost (y)</u>

   2                   5    

   4                  10

From the table, the ratio Books : Cost is 2:5 or 4:10. Equivalent ratios are obtained, using a graph, from the plot of the line that pass through these two points. In the figure attached, this line is shown. There, it can be seen that ratios 6:15 and 8:20 are equivalent to those from the table.

6 0
3 years ago
The perimeter of an equilateral triangle is 12\/3 cm. Find the radius, apothem and area of the equilateral triangle.
Irina-Kira [14]

Answer:

<u><em>Radius -  </em></u>4

<u><em>Apothem -  </em></u>2

<u><em>Area - </em></u>12\sqrt{3} or 20.8

Step-by-step explanation:

Try to draw out my explanation so you know what this looks like.

~~~~

This is an equilateral triangle, so all sides are the same length. The perimeter can be divided by 3 to get each side length...

12\sqrt{3}  \div3 = 4\sqrt{3}

Now that we know the side lengths, we can get this started!

~~~~

Now, an equilateral triangle has angles that all equal 60 degrees. We can bisect this into TWO special case triangles of measures 90-60-30.

4 times the square root of 3 will be the hypotenuse, and the smallest leg is always half of that. The larger leg is represented as the small leg times the square root of 3.

Small=2\sqrt{3} \\Hypotenuse = 4\sqrt{3} \\Long =6

By the way, the formula for the area can be either of the two:

A= \frac{1}{2} bh\\or\\A = \frac{1}{2} NAS

we can easily find the area using the first formula.

A= \frac{1}{2} (4\sqrt{3} )(6)\\A=12\sqrt{3}

The radius is the distance from the center to the corners & the apothem is the distance from the center to a side...

So we can divide the big triangle into a mini triangle at the bottom left/right

The height (small leg) of that triangle would be the apothem

The hypotenuse of that triangle would be the radius.

I did the math really quick because this is getting long. Anyhow, the small leg is 2 so is the apothem, and the hypotenus is 4, so is the radius

<em>Happy April Fool's btw, lol.</em>

4 0
3 years ago
3n² - 9(7m³ + 7n²) pls help!!!
sergeinik [125]

Answer:

−63m3−60n2

ru simplifying?

3 0
3 years ago
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The summary statistics for all students that took the SAT at Jones High School are shown. Four sample groups of 10 students are
8090 [49]

Answer:

D)

Step-by-step explanation:

i got it corect on the test

6 0
3 years ago
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