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enot [183]
2 years ago
11

12/15 divided by ?/? = 4/5 , what's ?/?

Mathematics
1 answer:
Verdich [7]2 years ago
8 0

Answer:

1

Step-by-step explanation:

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How hot does it get in Death Valley? The following data are taken from a study conducted by the National Park System, of which D
zloy xaker [14]

Answer:

Mean: 169.4

Median: 171

Mode: 181

Step-by-step explanation:

I first sorted the numbers by value, least to greatest.

145 147 153 153 167 170 170 172 181 181 181 182 185 185

We can see that 181 occurs the most, 3 times, so it's the mode.

The median of this set will be the middle number(s).

When we take away 6 numbers from both sides we are left with 170 and 172, and the mean of these two numbers is 171. So the median is 171.

We can add all the numbers and divide by 14 to get the mean.

147+153+170+172+185+181+182+185+181+170+181+167+153+145=2372\\\\2372\div14\approx169.4

Hope this helped!

3 0
3 years ago
Determine whether these two functions are inverses. ​
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Answer:

No The reactions are not inverses to each other

Step-by-step explanation:

f(x) = 3x + 27

Let f(x) be y

y= 3x+27

subtracting 27 on both sides

3x = y - 27

x= (y-27)/3

= y/3 - 9

inverse function is x/3 -9 not x/3 + 9

Therefore, not an inverse

Hope it helps...

6 0
3 years ago
Free pts giveaway! :))
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Hi

Step-by-step explanation:

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Step-by-step explanation:

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Caleb has a mask collection of 400 masks. He keeps 260 of the masks on his wall. What percentage of Caleb's mask collection does
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Caleb keeps 65% of his mask collection on the wall.

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