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quester [9]
3 years ago
10

The scores on a test are normally distrubuted with a mean of 60 and a standard deviation of 12. What is the score that is 2 1/2

standard deviations above the mean?
Mathematics
1 answer:
Vladimir79 [104]3 years ago
5 0

Answer:

?

Step-by-step explanation:

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Math answer with work cause it need proof ASAP
Viktor [21]

Answer:

[See Below]

Step-by-step explanation:

__________________________

✦ Solve for (1*10)+(4*1)+(7*0.01)+(2*0.001):

__________________________

✦ Solve Parenthesis first:

  • (1*10)=\bold1\bold0
  • (4*1)=\bold4
  • (7*0.01)=\bold0\bold.\bold0\bold7
  • (2*0.001)=\bold0\bold.\bold0\bold0\bold2

__________________________

✦ Add all the values together:

  • 10+4+0.07+0.002=\bold1\bold4\bold.\bold0\bold7\bold2

__________________________

So Mikayla wrote the decimal correctly.

__________________________

~<em>Hope this helps Mate. If you need anything feel free to message me.</em>

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5 0
3 years ago
5 times a number increased by 4 is at least<br> nineteen
Anna35 [415]

Answer:

5(x+4) ≥ 19

x ≤  -1/5

Step-by-step explanation:

5(x+4) ≥ 19

5x + 20 ≥ 19

5x ≤  -1

x ≤  -1/5

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3 years ago
Write a whole number and a fraction greater than 1 to name the part filled
cluponka [151]
Would it be 7/1 or anything greater than one
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PLZ HELP !!!!!!!!!
ZanzabumX [31]

Answer:


Step-by-step explanation:

E.

Because

30+20=50

and

30-20 = 10

7 0
3 years ago
Read 2 more answers
A colony contains 1500 bacteria. The population increases at a rate of 115% each hour. If x represents the number of
kari74 [83]

Answer:

Step-by-step explanation:

A colony contains 1500 bacteria. The population increases at a rate of 115% each hour. If x represents the number of hours elapsed, which function represents the scenario?

f(x) = 1500(1.15)x  

f(x) = 1500(115)x

f(x) = 1500(2.15)x

f(x) = 1500(215)x

The answer to this problem is a f(x) = 1500(2.15)x

3 0
3 years ago
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