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ale4655 [162]
3 years ago
14

HELP

Mathematics
1 answer:
Luden [163]3 years ago
4 0
Perimeter is 2L x 2W or L + L + W + W

A) 12(2) + 24(2) = 72
B) 18(2) + 36(2) = 108
C) 27(2) + 54(2) = 162
D) 36(2) + 36(2) = 144 (and one side is not even twice the length of the other)

Answer: B
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In a school with 700 students, a survey revealed that 80% of the students liked the new lunch menu. Based on this data, how many
choli [55]

Answer:

560 students

Step-by-step explanation:

700 x 0.8 = 560

6 0
3 years ago
Read 2 more answers
Identify the lower class​ limits, upper class​ limits, class​ width, class​ midpoints, and class boundaries for the given freque
bezimeni [28]

Answer:

See explanation and results below.

Step-by-step explanation:

We have the following data:

Age​ (yr) when award was won Frequency 25​-34 31 35​-44 36 45​-54 12 55​-64 4 65​-74 6 75​-84 1 85​-94 2

If we order the data we got the following result. We assume that the midpoint is given by:

Midpoint= \frac{L.Limit +U.Limit}{2}

The Class.Width = U.Limit-L.Limit

And the limits are given by the lower and upper limit.

L.Limit  U.Limit Class W  Midpoint  Frequency   Limits

  25         34     34-25=9     29.5           31           [25-34]                

  35         44      44-35=9     39.5          36           [35-44]

  45         54      54-45=9     49.5           12           [45-54]

  55         64      64-55=9     59.5           4            [55-64]

  65         74       74-65=9     69.5           6            [65-74]

  75          84      84-75=9     79.5            1            [75-84]

  85          94      94-85=9     89.5           2           [85-94]

8 0
3 years ago
Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 PM newscast reaches 41% of the viewing audience in the ar
Studentka2010 [4]

Answer:

<u>Alternative Hypothesis:H₁:</u><em> μ ≠ 0.41</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the newscast reaches 41% of the viewing audience in the area

The mean of the Population = 0.41

Given that In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station

Given that the mean of the sample = 0.36

<u><em>Step(ii):-</em></u>

<u><em>Null hypothesis:</em></u><em> The sample statistic does not differ significantly from the hypothetical parameter value.</em>

<em>Given data </em>

<em>Null hypothesis: H₀ : μ = 0.41</em>

<u>Alternative Hypothesis:</u><em> Any hypothesis which is complementary to the Null hypothesis</em>

<u>Alternative Hypothesis:H₁:</u><em> μ ≠ 0.41</em>

<em> </em>

7 0
2 years ago
the length of a rectangle is 14 meters. the perimeter of the rectangle is 44 meters. what is the width?
fomenos

Answer:

8

Step-by-step explanation:

6 0
2 years ago
The value of a house that was purchased 20 years ago has been appreciating by 1.2% each year since it was purchased. If the hous
Kamila [148]

I believe it would have been $347,316.95 at the time of purchase.

1.2% of 456996 is 5483.952

5483.952 \times 20 = 109679.04

So:

456996 - 109679.04 = 347316.95

7 0
3 years ago
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