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trasher [3.6K]
3 years ago
11

How would I solve this?

Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer: (to how would I solve this)

"Sales tax is 5%" means multiply $6.00 by 5 and divide by 100 to get tax, and add tax to $6.00.


The "total cost [to] download a book plus tax" is $6.00 + $(6.00 × 5 ÷ 100, round to nearest penny) = $6.30


Step-by-step explanation:

You have to ignore the fact that is some places, digital downloads are not subject to sales tax, and you have to assume that "total cost plus tax" actually means "price plus tax", total amount due including price and sales tax but not, say, your internet access costs, or your monthly prime membership fee. (That last point is actually something to think about). Strictly speaking, total cost would include _all_ costs, and if you want to really irritate someone, you could claim "total cost plus tax" means to include the tax twice. Or, you could claim that "total cost to _download_ plus tax" means you don't include the purchase price but do include tax and internet access fees. (Sorry, sometimes these questions get boring)


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DanielleElmas [232]
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3 years ago
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A 34-foot pole casts a 30-foot shadow. At the same time, a nearby tree casts a 24-foot shadow. How tall is the tree?
artcher [175]

Answer:

27.2 ft

Step-by-step explanation:

Let's set up a ratio that represents the problem:

Object's Height (ft) : Shadow (ft)

Substitute with the dimensions of the 34 foot pole and its 30 foot shadow.

34 : 30

Find the unit rate:

The unit rate is when one number in a ratio is 1.

Let's make the Shadow equal to one by dividing by 30 on both sides.

Object's Height (ft) : Shadow (ft)

34 : 30

/30  /30

1.13 : 1

Now, let's multiply by 24 on both sides to find the height of the tree.

Multiply:

Object's Height (ft) : Shadow (ft)

1.13 : 1

x24  x24

27.2 : 24

Therefore, the tree is 27.2 feet tall.

7 0
3 years ago
If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(2).
Scilla [17]
F ( x ) = k * x²
f ( 4 ) = 96
96 = k * 4²
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6 0
3 years ago
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The triangle shown below has an area of 10 units2.<br> Find x.<br> 7<br> 4<br> x<br> units
SVEN [57.7K]

Answer:

<h3>x = 5 units</h3>

Step-by-step explanation:

area of a triangle = 1/2 base * height

where area = 10 units²

        height = x units

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<u>plugin values into the formula:</u>

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x =<u> 10 (2) </u>

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3 0
3 years ago
Carl is filling flowerpots with soil. Each flowerpot is a cylinder with a radius of 7cm and a height of 10 cm. If Carl has 24,00
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Answer:

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Step-by-step explanation:

We first need to find out the amount of dirt that can be filled into a single flowerpot.

We use the formula to find the cylinder's volume.

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He can fill 16 pots fully.

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3 years ago
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