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Shalnov [3]
3 years ago
15

At a community center the ratio of swimming teachers to students is 1:4

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
8 0
What’s the question that your asking?¿
valina [46]3 years ago
4 0
What’s the question?
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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
Let f(x) = x2 - 8x 5. Find f(-1).
Ymorist [56]
In the equation you have to replace all x's with -1

f (-1) = (-1)^2 - 8(-1) +5
f (-1) =  1 + 8 + 5
f (-1) = 14

the f(-1) stand for the function of -1. it is also equivalent to y
8 0
3 years ago
Read 2 more answers
What is 145.4 - 140.02 ?
Assoli18 [71]

Answer:

5.38

Step-by-step explanation:

  1. 145.4 - 140.02 = 5.38
3 0
3 years ago
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Community coffee company wants a new flavor of cajun coffee. how many pounds of coffee worth $7 a pound should be added to 14 po
olga_2 [115]
14x4=56
5x14=70
70-56=14
14/7=2
8 0
3 years ago
Which expression shows the result of applying the distributive property to −2(13x−15)−2(13x−15) ?
defon
D is the answer good luck

3 0
3 years ago
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