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3 years ago

PLEASE HELP I DONT UNDERSTAND ILL GIVE MORE IF ITS RIGHT

Mathematics

1 answer:

erastova [34]3 years ago

8 0

Answer:

17ft

Step-by-step explanation:

What you're going to do is solve this backwards so to find volume the eqation is v=(pir^2)h, so what you're going to do is:

833pi=(pi7^2)h you cross out pi and square 7 833=49*h then you divide 49 from both sides and get 17

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Undefined is the answer because there is no value for x

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2 years ago

A jackets original price is $65.00 .It is on sale for 40% off. you have to pay 5% sales tax What is the final price fir the jack

lesya [120]

Hello!

There is a discount of 40%, which means that we will be subtracting 40% of the price, and then sales tax is basically additional money added to the price, so we will be adding that.

65.00 * 40% = 26

65.00 - 26 = 39

So, the discounted price is $39. Now we must add tax on that.

39 * 5% = 1.95

39 + 1.95 = 40.95

The final price of the jacket is $40.95.

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2 years ago

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2 years ago

The drug store is having a sale where all merchandise is 1/4 off. A woman buys $30 of merchandise at a sale price. What would sh

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4 0

3 years ago

Help me please ty ty ‍♀️❤️ Appreciate it

Cloud [144]

Answer:

Pretty Simple!

Now that you know about ratios and all that, this is pretty tame compared to the last problem.

Now, the problem is talking 2D(2 Dimensions)

The ratio is not going to work because it has only one parameter.

Thus, we need to square it!

$(\frac{1}{20})^{2} =\frac{1}{400}$

Thus, we have your correct ratio.

Now, we only need to do the same thing for the triangle problem. Meaning that, we need to compare the ratios, with x as the thing we are looking for.

$\frac{1}{400}=\frac{219}{x} \\x=87,600$

See? X is practically handed to us.

Hope this helps!

8 0

3 years ago