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pogonyaev
3 years ago
12

Suzie scored 75% on her assignment. If she got 15 questions correct, how many total questions were on the assignment?

Mathematics
2 answers:
Hoochie [10]3 years ago
5 0

Answer:

2

Step-by-step explanation:

DerKrebs [107]3 years ago
3 0

Answer:

20 Questions Total

Step-by-step explanation:

15 divided by 20 = .75 = 75%

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Find the MAD {42, 50, 54, 38, 48). Round to nearest hundredth (two
makkiz [27]

Answer:

MAD is 5.12

Step-by-step explanation:

The following data were obtained from the question:

42, 50, 54, 38, 48

Next, we shall determine the mean of the data. This can be obtained as follow:

Mean = summation X / n

n is the number of the data.

Summation X = 42 + 50 + 54 + 38 + 48

Summation X = 232

n = 5

Mean = summation X / n

Mean = 232 / 5

Mean = 46.4

Therefore, the mean of the data is 46.4

Finally, we shall determine the mean absolute deviation (MAD) of the data as follow:

MAD = summation |mean – X| /n

MAD = (|(46.4 – 42) + (46.4 – 50) + (46.4 – 54) + (46.4 – 38) + (46.4 – 48|) /5

MAD = |4.4 + 3.6 + 7.6 + 8.4 + 1.6| /5

MAD = 25.6/5

MAD = 5.12

Therefore, the mean absolute deviation (MAD) is 5.12

5 0
3 years ago
Solve the equation for y.<br><br> ​ x-4y=20<br><br> y=
Ivan

Answer:

<h3>b</h3>

Step-by-step explanation:

4 0
3 years ago
Helppppppppppppppppppppp
Nastasia [14]

Answer:

Step-by-step explanation:

1) 5 - [-5] = 5 + 5 = 10

2)8 - 13 = 8 + (-13) = -5

3) 12 +(-3) = 9

4) x + (-7) = 5

   x - 7 = 5

        x = 5 + 7

x = 12

We need to add 12 to (-7) to get 5

5) 7 - x = -5

    7 = -5 +x

  7 + 5 = x

    12 = x

We need to take away 12 to 7 to get (-5)

6) 7 - (-10) = 7 + 10 = 17

17° C

8 0
3 years ago
The margin of error in a confidence interval estimate accounts for:_________
dusya [7]

Answer:

The percentage points within which the obtained results would differ from the real population value.

Step-by-step explanation:

The ideas of the margin of error and confidence interval are borne from the observed truth, which is that there is always room for error in any statistically computed figure such as a survey or poll. For example, the result of a poll could show an 80% confidnce interval with a margin of error of 3%. This simply means that if the poll was repeated, 80% of the real population would fall within an estimate of 3%.

Statistics are not always error proof. Sometimes, the results might even be totally different from the computed results. So, it is very important that room is made for the possibility of an error, and that is why we need the mrgin of error.

3 0
3 years ago
Convert 10.85% to a decimal. Enter your answer in the box.
Lena [83]

Answer:

10.85 as a fraction equals 1085/100

5 0
4 years ago
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