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2 years ago

HELP ME BRAINLIESTDoes this graph represent a proportional relationship? Explain.

Mathematics

2 answers:

alexira [117]2 years ago

8 0

I don't see any relationship...

A proportion can be written as an equation and equations are lines....

enyata [817]2 years ago

5 0

Answer:

Sample Response: This graph does not represent a proportional relationship because it is not a straight line, and the line does not pass through the origin.

Step-by-step explanation:

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A polling organization contacts 1172 male university graduates who have a white collar job and asks whether or not they had rece

hichkok12 [17]

Answer:

The population in the study are those male university graduates who have a white collar job.

Step-by-step explanation:

This is a common statistics practice, when we want to study something from a population, we find a sample of this population.

For example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents wheter they are Buffalo Bills fans, and expand this to the entire population of New York State residents.

In this problem, we have that:

Sample of 1172 male university graduates who have a white collar job and asks whether or not they had received a raise atnbsp work nbspduring the past 4 months.

What is the population in the study?

The sample is of male university graduates who have a white collar job.

So the population in the study are those male university graduates who have a white collar job.

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2 years ago

On the left, model 4 + (-6). On the right, model 4 - 6.

insens350 [35]

Answer:

On the left because their both positive and the other one is not and also the left one is on the left y axil

5 0

2 years ago

What is the length of the hypotenuse? If necessary, round to the nearest tenth.

azamat

By the Pythagorean theorem,

$a^{2}+12^{2}=13^{2}\\\\a^{2}+144=169\\\\a^{2}=25\\ \\ a=\boxed{5}$

4 0

1 year ago

What is the equivalent of 48 ft. in yd.?

mafiozo [28]

The equivalent of 48ft is 4 yards.

7 0

2 years ago

Read 2 more answers

Kirby is four miles from the train station, from which a train is due to leave in 56 minutes. Kirby is walking along at 3 mph, a

Luda [366]

Let's assume that Kirby walks with a speed
$v_1 = 3 mph$
for a time $t_1$ , and that he runs with a speed
$v_2 = 12 mph$
for a time $t_2$ .

The total time available for Kirby to catch the train is:
$t=56 min = 0.93 h$
and this must be equal to the sum of the two times t1 and t2:
$0.93 = t_1 + t_2$

The distance Kirby should cover is
$S=4 m$
and this should be equal to the sum of the distances covered by walking and by running:
$4 = S_1 + S_2 = v_1 t_1 + v_2 t_2 = 3 t_1 + 12 t_2$

So we have a system of 2 equations:
$0.93 = t_1 + t_2$
$4 = 3 t_1 + 12 t_2$

If we solve the system, we find:
$t_1 = 0.80 h = 48 min$
$t_2 = 0.13 h = 8 min$

So, Kirby needs to run at least for 8 minutes in order to catch the train.

6 0

2 years ago