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Artyom0805 [142]
2 years ago
12

Identify the correct units to express the following idea.

Mathematics
1 answer:
hammer [34]2 years ago
8 0

The units that we should use are gallons per day, we get:

r = 2.4\frac{gallons}{day}

<h3>Which units should we use?</h3>

We want to express the fact that every day you use 2.4 gallons of gasoline.

So we have two types of units in the above sentence, time (in days), and volume (of the gasoline consumed).

Then we conclude that the units that we should use is volume over time, particularly, gallons per day.

So we can represent that measure as:

r = 2.4\frac{gallons}{day}

If you want to learn more about units:

brainly.com/question/1972490

#SPJ1

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A large cable company reports the following:
Step2247 [10]

Answer:

P(Cable\ TV\ only) = 50\%

P(Internet\ |\ cable\ TV) = 31.25\%

P(exactly\ 2\ services) = 23\%

P(Internet\ and\ cable\ TV \only) = 23\%

Step-by-step explanation:

Given

Cable\ TV = 80\%

Internet = 44\%

Telephone = 29\%

Cable\ TV\ and\ Internet = 25\%

Cable\ TV\ and\ Telephone = 20\%

Internet\ and\ Telephone = 23\%

All\ Services = 15\%

Solving (a): A) P(cable TV only).

First, we calculate n(cable TV only)

This is calculated as:

n(cable\ TV\ only) = (Cable\ TV) - (Cable\ TV\ and\ Internet) - (Cable\ TV\ and\ Telephone) + (All\ Services)

n(cable\ TV\ only) = 80\% - 25\% - 20\% + 15\%

n(cable\ TV\ only) = 50\%

The probability is:

P(Cable\ TV\ only) = \frac{n(Cable\ TV\ only)}{100\%}

P(Cable\ TV\ only) = \frac{50\%}{100\%}

P(Cable\ TV\ only) = 50\%

Solving (b): P(Internet | cable TV).

This is calculated as:

P(Internet\ |\ cable\ TV) = \frac{Cable\ TV\ and\ Internet}{Cable\ TV}

P(Internet\ |\ cable\ TV) = \frac{25\%}{80\%}

P(Internet\ |\ cable\ TV) = \frac{25}{80}

P(Internet\ |\ cable\ TV) = 31.25\%

Solving (c): P(exactly 2 services).

This is calculated as:

P(exactly\ 2\ services) = (Cable\ TV\ and\ Internet - All) + (Cable\ TV\ and\ Telephone - All) + (Internet\ and\ Telephone - All)

P(exactly\ 2\ services) = (25\% - 15\%) + (20\% - 15\%) + (23\%-15\%)

P(exactly\ 2\ services) = (10\%) + (5\%) + (8\%)

P(exactly\ 2\ services) = 23\%

Solving (d): P(Internet and cable TV only).

This is calculated as:

P(Internet\ and\ cable\ TV \only) = \frac{(Internet\ and\ cable\ TV \only)}{100\%}

P(Internet\ and\ cable\ TV \only) = \frac{23\%}{100\%}

P(Internet\ and\ cable\ TV \only) = \frac{23\%}{1}

P(Internet\ and\ cable\ TV \only) = 23\%

4 0
3 years ago
For questions 5-6, find the regression equation that best models the data shown in the table.
navik [9.2K]

Answer:

\large \boxed{\mathbf{y = 2.538e^{0.6699x}}}

Step-by-step explanation:

x 0  1  2  3   4   5   6     7

y 2 6 12 17 36 72 138 275

The points appear to follow an exponential growth curve.

The regression equation is

\large \boxed{\mathbf{y = 2.538e^{0.6699x}}}

The figure below shows the graph of your points and the regression line.

7 0
3 years ago
What exponential expression is equal to <br> 2^-5 * 2^8?
amm1812

Answer:

go to m-a-t-h-w-a-y-

Step-by-step explanation:

3 0
3 years ago
HELLO IS ANYONE GOOD AT MATH IF SO PLEASE ANSWER THIS IS DUE TONIGHT
Orlov [11]
This is how you graph it

4 0
2 years ago
Guys help me on this one please…
Ann [662]

Answer: 6. 35 hours

7. 741 Miles

8. 1.5 or 1.54

Step-by-step explanation:

6. 142.20/6=23.7

829.50/23.7=35

7. 117/3=39

39x19=741

8.19/12.35=1.538

5 0
2 years ago
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