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disa [49]
2 years ago
12

Item 3 is unpinned. Click to pin.

Mathematics
2 answers:
AfilCa [17]2 years ago
8 0

Answer:

<em>22.2% </em>

Step-by-step explanation:

66 - 54 = 12 inches

12 ÷ 54 = x ÷ 100

x = (12 × 100) ÷ 54 ≈ <em>22.2%</em>

Ratling [72]2 years ago
7 0

Answer:

84%

Step-by-step explanation:

i am so sorry if i am wrong. pls no hate tho

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Assuming all model requirements for conducting the appropriate procedure have been​ satisfied, is the mean IQ of the students
Triss [41]

Answer:

Step-by-step explanation:

The right statistical procedure is by applying a hypothesis test that uses a single mean. Here, if we are to talk about comparison, it should be between the mean IQ of the students in the class and the national average IQ. The class is not for a comparison between two population means because it is viewed as the sample of the population. That is to say, the required task is to determine if the sample mean is greater than the population mean. We can conclude that this obeys a hypothesis test rather than a confidence interval.

6 0
3 years ago
The hawk population in a county is declining at a rate of 1.4% per year. the population was 3800 in the year 2016. which answer
Anika [276]

After a year the population will be 98.6% (100% - 1.4%) 98.6% as a decimal is 0.986 ... so after 1 year it will be: <span>

3800 x 0.986 

after 2 years it will be: 

3800 x 0.986 x 0.986... 

after 3 years: 3800 x (0.986)^3 

<span>in 2018. And after 4 years it will be 3800 x (0.986)^4 = which is 3591.62724 or 3592</span></span>

6 0
3 years ago
Katlyn made 4 dresses with 7 yards of fabric how many yards of fadric did she use 1 dress
Ludmilka [50]

To solve this equation with algebra

4/7 = 1/x

(4/7)x = (1/x)x

4x/7 = 1

(4x/7)7 = 1(7)

4x = 7

4x/4 = 7/4

x = 1.75

1.75 yards of fabric are needed to make 1 dress.

Hope this helps! <3

5 0
3 years ago
The Andersons rented 5 rectangular tables for $35 and 30 chairs for $60. Which quotients can be used to calculate the unit cost
stira [4]

Answer:

Step-by-step explanation:

5 tables for 35 bucks.....unit cost is 35/5 = $ 7 bucks per table

30 chairs for 60 bucks...unit cost is 60/30 = $ 2 bucks per chair

5 0
3 years ago
Read 2 more answers
3x-2y=10 7x=2y=30<br><br> yea no i dont know how to do this.
hjlf
Download photo math and put the problem into it it will solve it
8 0
3 years ago
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