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suter [353]
3 years ago
11

HELPPPPPPPPPPPP

Mathematics
2 answers:
vichka [17]3 years ago
7 0

Answer:

Monthly growth rate = 1.2 %

Step-by-step explanation:

We have been given that the website's views were increasing exponentially at a rate of 14% per year.

When converted to decimal, it becomes

Rate = 14% = 0.14 annually

Now, in a year there are 12 months. Hence, in order to find the monthly growth rate, we can divide the rate by 12.

Therefore,

Monthly growth rate = 0.14/12 = 0.011667 = 1.1667 %

Rounded to the nearest tenth, the rate is

Monthly growth rate = 1.2 %

pochemuha3 years ago
3 0
<span>14% per year
</span>14% /12 = 1.2%  is <span> the monthly growth rate</span>
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Julie is a math tutor. She charges each student $210 for the first 7 hours of tutoring and $20 for each additional hour. When th
Nady [450]
A = 210 + 20(h - 7) <== ur equation

if she earns 410 tutoring...
410 = 210 + 20(h - 7)
410 = 210 + 20h - 140
410 = 20h + 70
410 - 70 = 20h
340 = 20h
340/20 = h
17 = h <=== she spent 17 hrs tutoring
8 0
2 years ago
The scatter plot below shows the relationship between latitude of cities and their average January temperature. Which is the bes
natka813 [3]

Answer:

-2.5

Step-by-step explanation:

it is what it is

5 0
3 years ago
Read 3 more answers
A clinical trial was conducted to test the effectiveness of the drug zopiclone for treating insomnia in older subjects. Before t
aleksklad [387]

Answer:

We cannot say that the mean wake time are different before and after the treatment, with 98% certainty. So the zopiclone doesn't appear to be effective.

Step-by-step explanation:

The goal of this analysis is to determine if the mean wake time before the treatment is statistically significant. The question informed us the mean wake time before and after the treatment, the number of subjects and the standard deviation of the sample after treatment. So using the formula, we can calculate the confidence interval as following:

IC[\mu ; 98\%] = \overline{y} \pm t_{0.99,n-1}\sqrt{\frac{Var(y)}{n}}

Knowing that t_{0.99,15} = 2.602:

IC[\mu ; 98\%] = 98.9 \pm 2.602\frac{42.3}{4} \Rightarrow 98.9 \pm 27.516

IC[\mu ; 98\%] = [71.387 ; 126,416]

Note that 102.8 \in [71.384 ; 126.416] so we cannot say, with 98% confidence, that the mean wake time before treatment is different than the mean wake time after treatment. So the zopiclone doesn't appear to be effective.

7 0
3 years ago
Help pls !! how would I write this equation
aev [14]

2x = Twice your age

200 = Two hundred less

> -1 = more than negative


With the information given, your equation would be:

200-2x>-1

7 0
3 years ago
2,776,714 rounded to the greatest place value is?How many zeros are in the rounded number?The estimated speed of light using a p
Simora [160]

Answer:

3,000,000. 6 Zeros. 898,752,432,640

299,792 kilometers per second is the speed of light normally

Step-by-step explanation:

7 0
3 years ago
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