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WINSTONCH [101]
3 years ago
11

Are the following rates equivalent 12 pages in 20 minutes 20 pages in 32 minutes

Mathematics
2 answers:
Bad White [126]3 years ago
5 0

Answer:

If your round to the nearest tenth then yes, but otherwise no

Step-by-step explanation:

rodikova [14]3 years ago
5 0

Answer:These are not equal

Step-by-step explanation:

12/20= 6/10=3/5

20/32=10/6=5/8

5/8x5= 25/40

3x5x8=28/40

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Falmouth High School’s soccer field measures 120 yards long by 75 yards wide.
dalvyx [7]
The correct answer is C. Hope this helps.

4 0
3 years ago
Read 2 more answers
Evelyn wants to estimate the percentage of people who own a tablet computer she surveys 150 indvidals and finds that 120 own a t
igomit [66]

Answer:

The 99% confidence interval for the percentage of people who own a tablet computer is between 71.59% and 88.41%

Step-by-step explanation:

Confidence interval for the proportion of people who own a tablet:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 150, \pi = \frac{120}{150} = 0.8

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.576.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.8 - 2.575\sqrt{\frac{0.8*0.2}{150}} = 0.7159

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.8 + 2.575\sqrt{\frac{0.8*0.2}{150}} = 0.8841

Percentage:

Multiply the proportion by 100.

0.7159*100 = 71.59%

0.8841*100 = 88.41%

The 99% confidence interval for the percentage of people who own a tablet computer is between 71.59% and 88.41%

8 0
3 years ago
Eleven is 20% of ____
ollegr [7]

Convert to a decimal which would be 0.55 (11/20).


Then you want to multiply 0.55 by 100 (which is a whole number, all % is going to come from 100) to convert to a full % -> 0.55*100


Then you will simplify 0.55*100


You answer will be 55%.

5 0
3 years ago
Read 2 more answers
What is The Lowest Term of<br><br>100/1000​
Fiesta28 [93]

Answer:

so the lowest term is 1/10

hope this helps u

3 0
2 years ago
3.6 - 2 - 3 = 4x - 8<br> please helppp
chubhunter [2.5K]

Answer:

x=1.65

Step-by-step explanation:

First switch sides

4x-8=3.6-2-3

Then subtract 3.6 - 2 - 3

4x-8=-1.4

Add 8 to both sides

4x-8+8=-1.4+8

simplify

4x=6.6

Divide both sides by 4

4x/4 - 6.6/4

The simplify again

x=1.65

5 0
3 years ago
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