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3 years ago

A bag contains 5 red balls. What is the probability that you draw a red ball out of the bag?

2 answers:

8 0

There is a 100% chance because the bag only contains red balls.

If other wise put the 5 over the total number of balls. That would be your answer unless it can be put into simplest form.

alex41 [277]3 years ago

4 0

It is 100% because there is only 5 red balls.
The math:

(5/5) x 100%
1 x 100%
= 100%

hope this helps :)

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3 years ago

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Jefferson Middle School needs to see a 300% gain in PTO fundraiser

Ronch [10]

Given parameters:

Percentage gain = 300%

Selling cost last year = $2420

Unknown:

Selling cost this year = ?

Solution:

To solve this problem;

Profit percent = $\frac{Selling cost this year - Selling cost last year}{Selling cost last year} x 100$

300 = $\frac{S - 2420}{2420} x 100$

3 = $\frac{S - 2420}{2420}$

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To make a 300% gain, Jefferson Middle school needs a $9680 from fundraiser sales this year.

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3 years ago

Lulu wants to get fit. She started with 50 laps a day and she intends to add 10 laps every week. Write a mathematical expression

vlabodo [156]

Answer: 10x + 50

Step-by-step explanation:

lets say that x is equal to the amount of weeks that she runs. She starts off the first week with 50

Then, since she is adding 10 every week, you would do 10x, or 10 times the amount of weeks that she runs.

Since you originally started with 50, you have to add the 50 to the 10x.

So you get...

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on week 2, if you plug in 2 to x you get

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2 years ago

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$\boxed{\sf \overrightarrow{XV}\:and\:\overrightarrow{XY}}$

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Option-2

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3 years ago

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zavuch27 [327]

If you would like to solve the equation - 7 * x - 3 * x + 2 = 8 * x - 8, you can calculate this using the following steps:

- 7 * x - 3 * x + 2 = 8 * x - 8
- 7 * x - 3 * x - 8 * x = - 8 - 2
- 18 * x = - 10 /(-18)
x = 10 / 18
x = 5/9

The correct result would be 5/9.

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3 years ago

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