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Katyanochek1 [597]
3 years ago
6

In a race, the second place finisher crossed the finish line 1 1/3 minutes after the winner. the third place finisher was 1 3/ m

inites behind the second place finisher. the thir place finisher took 34 2/3 minutes. How long did the winner tske
Mathematics
1 answer:
ss7ja [257]3 years ago
5 0

I think is answer is 9

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svetoff [14.1K]
12 x 2 = 24

When you multiply two negative numbers, the answer will be a positive
When you multiply one negative and one positive, the answer will be negative.


Using that rule:

(-12)(-2) = 24

24 is your answer

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If you used 1 drop of your sample and 4 drops of diluent what is your dilution ratio?
frez [133]

Answer:

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Step-by-step explanation:

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Gennadij [26K]

The required value of mean and variance is 203 and 3942 respectively.
Hence option B is correct.

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<h3>What is Statistic?</h3>

The statistic is the study of mathematics which deal with relations between comprehensive data.

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x = 203

variance =\frac{\sum(x-x_i)^2}{n^2-1}

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8 0
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12+root of 35 divided by 2 + 12-2 root of 35 divided by 2
nadya68 [22]
So : 12+ \frac{\sqrt{35}}{2} + \frac{12-2 \sqrt{35} }{2}?

First, you want to bring everything together on the top of the fraction. 
12=24/2 so you can have \frac{24+ \sqrt{35}+12-2 \sqrt{35} }{2}

Add like terms -- 12 +24 = 36       \sqrt{35}-2 \sqrt{35} = \sqrt{35}

Now we are at \frac{24+ \sqrt{35} }{2} Which is the lowest possible simplified version while remaining at exact value. 

Feel free to check my math! I kinda did this off the top of my head. 
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2 years ago
What length will Zaragoza need
Dafna11 [192]

Answer:

A. 58 ft

The drawings will help

3 0
3 years ago
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