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2 years ago

Explanation/proof why the lines are parallel and insights

Mathematics

1 answer:

Delvig [45]2 years ago

5 0

Answer:

The lines are parallel is the will never touch.

Step-by-step explanation:

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A 90 oz. bottle of shampoo is sold for $18.95. What is the price per ounce

Veseljchak [2.6K]

This sets up as a very commonly used proportion.

90 oz / 18.95 = 1 oz / x Cross multiply

90 x = 18.95 Divide by 90

x = 18.95 / 90

x = 0.21 dollars or 21 cents.

So each ounce of shampoo costs 0.21 dollars or 21 cents.

This is a very handy way to check best deals. Stores have trained us for years to believe that the more we buy of a brand, the better the price. It isn't always true. Sometimes buying the smaller quantity is the better deal. There is only one way to be sure and that's to do a proportion like this one.

Try this is an example. The same company makes a smaller container of shampoo of 45 oz for 9.15. How much is 1 oz and which is the better deal? You should get 0.20333 dollars so this is marginally (just) the better deal.

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3 years ago

The ratio of red pens to blue pens in a package is 2:5. If there are 35 blue pens in the package, how many red pens are in t

prisoha [69]

Answer:

10 red pens

Step-by-step explanation:

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3 years ago

To pay for a $23,700 motorcycle, Carmen made a down payment of $3900 and took out a loan for the rest. On the loan, she paid mon

kari74 [83]

Answer:

Carmen paid monthly payments of $438.27 for 4 years.

i.e.,

1 year = 12 months

4 year = 12 × 4 = 48 months

So,

438.27 × 48 = $21,036.96

Now, the total amount including down payment is,

$21,036.96 + $3900 = $24,936.96

Thus, The total amount Carmen ended up paying for the motorcycle (including the down payment and monthly payments) is $24,936.96.

Interest did Carmen pay on the loan,

$24,936.96 - $23,700 = $1236.96

Thus, The answer is $1236.96.

<u>-TheUnknownScientist</u><u> 72</u>

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2 years ago

Read 2 more answers

What does it mean when two lines are perpendicular? What does it tell you about the equations?

Vaselesa [24]

When lines are perpendicular it’s called parallel, it’s when the lines never touch

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3 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Andrej [43]

Answer:

Step-by-step explanation:

<em>4/1 * 1/3</em>
<em>4 * 1 = 4</em>
<em>1 * 3 = 3</em>
<em>4/3; 1 1/3</em>

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2 years ago

Read 2 more answers

Explanation/proof why the lines are parallel and insights​

Explanation/proof why the lines are parallel and insights