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zaharov [31]
3 years ago
14

Only 2/17 of the teachers were sciolists. If 3000 were not sciolists how many teachers were there in all

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0
1-\frac{2}{17}=\frac{15}{17}\\
\frac{15}{17}--3000\\
1\ \ --x\\
x=3400
igor_vitrenko [27]3 years ago
4 0

ANSWER:

3,400

STEP BY STEP:

If 2/17 were socialists, then 15/17 were not socialists.

So...

3000 = 15/17x

(x represents the total number of teachers)

Multiply by 17 on both sides.

51,000 = 15x

Divide by 15 on both sides.

3,400 = x

Total number of teachers:  3,400.

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Rainbow [258]

Answer:

Because 20 has to be doubled to become 40. While 40 is twice as much as 20 so you just divide 40 by 20 to get 50%.

Explanation:

20 x 20 = 40 = 100%

40 / 20 = 50%

4 0
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A pizza shop sells three sizes of pizza, and they track how often each size gets ordered along with how much they profit from ea
777dan777 [17]

Answer:

The mean and standard deviation of Y is $6.56 and $2.77 respectively.

Step-by-step explanation:

Consider the provided information.

Let Y represent their profit on a randomly selected pizza with this promotion.

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Therefore, Y=\text{Profit}-\$2

Y=X-\$2

So the mean will be reduced by 2.

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Therefore \sigma_Y=\sigma_X=2.77

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3 0
3 years ago
Explain how you would solve 25- 6R when R = 3. Make sure to explain each step.
aliina [53]
Fist you need to substitute the value of R into the equation

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Now you simply
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4 0
3 years ago
Find the missing factor $6.50. =$65
babymother [125]
1) $65 ÷ $6.50 = $10 
2) Check Work: $10 × $6.50 = $65
$10 is your missing factor :)
Hope This Helps :)
6 0
3 years ago
Read 2 more answers
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