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lakkis [162]
3 years ago
15

Each side of a 7-sided shape is 3 feet long. What is the perimeter of this shape?

Mathematics
2 answers:
bearhunter [10]3 years ago
8 0

Answer:

21 feet

Step-by-step explanation:

You could either do

3 + 3 + 3 + 3 + 3 + 3 + 3 = 21

or

3 x 7 = 21

noname [10]3 years ago
5 0

Answer:

21ft

Step-by-step explanation:

3ft times 7 is 21

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Murljashka [212]

Answer:

24 = x

Step-by-step explanation:

You use Pythagorean theorem. Since the normal equation is a^{2} + b^{2} =c^{2}, you already have the c^{2} and another side which can be a^{2} or b^{2}.

Because you have the hypotenuse and a side , your equation looks like this now: 7^{2} +b^{2} = 25^{2}

and when you solve for be you just subtract 25^{2} -7^{2} to get 24.

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2 years ago
Mai received a $70 gift card for a coffee store. She used it in buying coffee that cost $8.48 per pound. After buying the coffee
Yuri [45]
Since she had $35.48 on her card.

Amount spent in buying coffee = $70 - $35.48 = $34.52

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No of pounds = Amount spent / cost per pound

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3 years ago
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Please help me with the 3rd question!!! I'll give you 91 points now, please.
saw5 [17]

Answer:

At the end of the day 797 lockers were closed.

Step-by-step explanation:

So first of all you need to find out how many even numbers there are from 1-900 (which is 450) so you know that 450 are open. In the 3 multiplication tables every second number is even so you know that half of the 450 lockers that was opened was closed again: this meant that 225 lockers remained open.

You also know that every number in the 4 multiplication tables is the second number in the 2 multiplication tables so half of them are closed but you also know that the 900th locker was opened so now you have 113.

So to conclude you do 900-113 which gives you 797 (this is because 113 is the amount of lockers that is open)

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!HELP!
atroni [7]

I hope this help you with what you need

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