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navik [9.2K]
3 years ago
6

Help please! Sorry about all the questions, I'm stuck.

Mathematics
2 answers:
OLEGan [10]3 years ago
6 0

Answer:

A

Step-by-step explanation:

any number divisible by 9 is also divisible by 3,because 3 is a factor of 9.

nalin [4]3 years ago
4 0

Let's use the process of elimination:

We know the bottom two are incorrect, because numbers that are divisible by 9  ARE divisible by 3.

Take 18 for an example. 18 is divisible by 3 (3 * 6 = 18), and 9 (9*2 = 18).

Some of the numbers that are divisible by 9 are also divisible by 3 isn't the best statement, because we know that all multiples of 9 are divisible by 3.

Now we have 2 of them.

I think it's the second one, because the first one doesn't explain the details between the relationship of 9 and 3 (as well as the second one).,

So I think it's the second from the top.

(A number that is divisible by 9 is also divisible by 3, because all factors of 9, are factors of 3.)

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Answer:

x = \frac{25}{9}

Step-by-step explanation:

Divide both sides by 9 to isolate x:

\frac{9x}{9} = \frac{25}{9}  \\x = \frac{25}{9}\\

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The doctor's office where you work needs to store eight filing cabinets with patient information in one of three secure storage
ikadub [295]

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9 x 7.5

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Find the equation for the circle with center (-2,4) and passing through (-1,- 4).
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Answer:

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Iago is interested in money. He has a collection of bills in his pocket. He finds that he has two fewer $20 bills than he does $
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Let x be the number of $10 bills in Iago pocket.

1. If he has twice as many $1 bills as $10 bills, then he has (2x) $1 bills.

2. He has two fewer $20 bills than he does $10 bills, then he has (x-2) $20 bills.

3. He has three more $5 bills than $10 bills, then he has (x+3) $5 bills.

In total he has $160 that is x·10+2x·1+(x-2)·20+(x+3)·5.

Equate these two expressions and solve the equation:

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