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postnew [5]
2 years ago
11

Does this graph show a function? Explain how you know.

Mathematics
1 answer:
beks73 [17]2 years ago
5 0

Answer:

No, the graph fails the vertical line test

Step-by-step explanation:

To determine if the graph is a function, we can use the vertical line test.

Use a vertical line, if the vertical passes through two or more points, the graph is not a function

Looking at the y axis ( which is a vertical line), it passes through two points

This means the graph is not a function

No, the graph fails the vertical line test

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It takes a printer 6 hours to print the class schedules for all of the students in a college. A faster printer can do the job in
poizon [28]

The number of hours that it'll take both printers to do the job is 2.4 hours.

<em>Number of hours used by printer A = 6 hours</em>

<em>Number of hours used by printer B = 4 hours </em>

<em />

Therefore, the number of hours that'll be used by both printers will be calculated thus:

1/6x + 1/4x = 1

Using 12 as the LCM

2x + 3x = 12

5x = 12

Divide both side by 5

5x/5 = 12/5

x = 2.4 hours

Read related link on:

brainly.com/question/25115037

3 0
2 years ago
50 points!!! please hurry i need this answer . see pic below
Elza [17]

Sum of two Interiors=Exterior

\\ \rm\rightarrowtail x+20+3x-7=7x-17

\\ \rm\rightarrowtail 4x+13=7x-17

\\ \rm\rightarrowtail -3x=-30

\\ \rm\rightarrowtail x=10

m<NOP=7(10)-17=70-17=53

8 0
2 years ago
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distributed with mean 2.65
Verizon [17]
A) 0.9803; 0.4803
B) 32

We calculate the z-score for this problem by using the formula:

z=\frac{X-\mu}{\frac{\sigma}{\sqrt{n}}}

Using our formula, we have:

z=\frac{3.00-2.65}{\frac{0.85}{\sqrt{25}}}=2.06

Using a z-table (http://www.z-table.com) we see that the area to the left of, less than, this score is 0.9803.

To find the probability it is between the mean and this, we subtract the probability associated with the mean (0.5) from this:
0.9803 - 0.5 = 0.4803.

To find B, we first find the z-score for this.  Using a z-table (http://www.z-table.com) we see that the closest z-score would be 2.33.  We then set up our equation as

2.33=\frac{3.00-2.65}{\frac{0.85}{\sqrt{n}}}=\frac{0.35}{\frac{0.85}{\sqrt{n}}}&#10;\\&#10;\\2.33=0.35\div \frac{0.85}{\sqrt{n}}=0.35\times \frac{\sqrt{n}}{0.85}

Multiplying both sides by 0.85 we have
2.33(0.85) = 0.35√n
1.9805 = 0.35√n

Divide both sides by 0.35:
1.9805/0.35 = √n

Square both sides:
(1.9805/0.35)² = n
32 ≈ n
8 0
3 years ago
Solve for x and y <br> Pls help it’s timed
Evgesh-ka [11]

Answer:

Check pdf

Step-by-step explanation:

Download pdf
6 0
3 years ago
Answer pls for points and top answer
miskamm [114]
P(D) = P(C)

We know that in total all (a,b,c,d) equal 1

So .28+.56+C+D=1

We can interpret it as

.84 + 2x = 1

x=.08

So P(D) = .08
3 0
3 years ago
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