Adam bought granola bars at the store.

Mathematics

1 answer:

ehidna [41]3 years ago

3 0

Thats uhhhhhh..... thats pretty cool.

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Given the domain {-2, 1, 5}, what is the range for the relation 4x + y = 3?

steposvetlana [31]

Answer:

Step-by-step explanation:

Domain is the set of all possible inputs (x) for the function f(x)

The range is the set of all possible values for that domain

This function is 4x + y = 3 which can be re-written as y = 3-4x

Plug in each of the domain values and you will get the range

For -2 : y = 3-4(-2) = 3 + 8 = 11

For 1: y = 3-4(1) = -1

For 5: y = 3-4(5) = -17

So range is {-17, -1, 11}

6 0

2 years ago

Drinking 6 fluid ounces of milk provides 202.5 milligrams of calcium. how many fluid ounces of milk provide 85.5 milligrams of c

Alona [7]

$\frac{85.5}{202.5} \times 6 = 2.53\ ounces\ of\ milk$

3 0

3 years ago

Read 2 more answers

Five students visiting the student health center for a free dental examination during National Dental Hygiene Month were asked h

Andrews [41]

Answer:

[0.9 months, 32.69 months]

Step-by-step explanation:

The mean is

$\bf \bar x=\frac{5+17+12+21+29}{5}=16.8$

The standard deviation is

$\bf s=\sqrt{\frac{(5-16.8)^2+(17-16.8)^2+(12-16.8)^2+(21-16.8)^2+(29-16.8)^2}{5}}=8.1092$

Now, we have to find two values a and b such that the area under the Normal curve with mean 16.8 and standard deviation 8.1092 between a and b equals <em>95% = 0.95 </em>

Using a spreadsheet we find these values are

a = 0.906

b = 32.694

<h3>(See picture) </h3>

and our 95% confidence interval for the mean number of months elapsed since the last visit to a dentist for the population of students participating in the program rounded to two decimal places is

[0.9 months, 32.69 months]