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Brums [2.3K]
2 years ago
13

Rory rode his bike a total of 7.75 miles last week. He biked the same distance each of the 5 days he rode. How many miles did Ro

ry ride his bike each day?
Mathematics
1 answer:
exis [7]2 years ago
6 0

Answer:

Rory rode 1.55 miles each day

Step-by-step explanation:

7.75 divided by 5

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minimum point

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Use the information to answer questions 8 and 9.
inessss [21]

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18

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3 years ago
The answer to this question
oee [108]
If the cell phone company charges a flat $40 fee monthly, then the equation would be y = 40.


The company does charge $40 a month, but also charges $2 per minute out of service area (x).

So the equation is y = 2x + 40

To graph this linear function, plug in values for x then plot the plots. Then draw a line to connect the points.

y = f(x)

f(0) = 40
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So at x=0, draw a point at y=40 and so on.






6 0
3 years ago
As part of his semester project, a BYU-Idaho Introductory Statistics student calculates a 95% confidence interval for the true p
lyudmila [28]

Answer:

a. There's a 95% chance that the true proportion is in the confidence interval.

Step-by-step explanation:

When we want to estimate a property of a population (a population's parameter), without surveying the population, we use samples.

Then, with the information of the samples we can calculate the statistics and infere properties about a population. This inferences obviously came with some uncertainty, depending on the properties of the sample and specially the sample size.

When we talk about confidence intervals, we use the statistic of the sample (in this case, the mean) to estimate a range of values it is expected to find the true mean of the population. The width of this interval depends on the sample standard deviation and the sample size.

The value of the confidence interval (95%, 99%, etc) represent the probabilty that the true mean is within this interval.

3 0
3 years ago
How many ways are there to make $20 using $10-bills, $5-bills and/or $1-bills?
Maslowich

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5+5+1+1+1+1+1+1+1+1+1+1

5+5+5+1+1+1+1+1

10+5+1+1+1+1+1

4 0
3 years ago
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