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Yakvenalex [24]
3 years ago
11

which of the following is the most appropriate unit to describe the rate at which people are entering a theme park A. hours per

person because the dependent quantity is in the hours B. hours per person because of dependent quantity is the people C. people per hour because the dependent quantity is the hours D. people per hour because the dependent quantity is the people
Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
7 0
People per hour because the dependent quantity is the hours.
The number of people that enter depends on the number of hours the park is open 
serious [3.7K]3 years ago
5 0
The answer would be either C or D I think its C
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3 years ago
Helppppppp plz god bless u 10 points
wariber [46]

I believe D). 5 is the answer. If you clearly think about it, it actually might make sense. You just count the lines pointing from up to down.

7 0
4 years ago
The ratio of boys to girls in a group is 3 to 1 is there are 28 more boys then girls workout how many people their are it total
worty [1.4K]

Answer:

56 total

Step-by-step explanation:

Let the number of girls = x

Let the number of boys = 3x

x                      1

===       =    ==========

x + 28              3

Cross multiply

3x = x + 28                  Subtract x from both sides

3x - x = 28                   Combine

2x = 28                        Divide by 2

x = 28/2

x = 14

Girls = 14

Boys = 14 + 28 = 42

Is the ratio 3 to 1?

42/14 =  3/1 Yes it does

Total number

14 + 42 = 56

5 0
3 years ago
PLZZZ HELLP 3+7 − 1/2 is an example of
notsponge [240]

Answer:

C. a numerical expression.

Step-by-step explanation:

Right away, what you should know is that this is an expression. Equations are expressions, except wiht an equal sign. This is not algabraeic though, since there is no valuable (for example 3x, or 7a). So, through the process of elimination, the answer would be a numerical expression.

Hope this helps!

4 0
3 years ago
Eighty percent of the students graduating from high school in a small Iowa farm town attend college. The town's chamber of comme
anyanavicka [17]

Answer: 0.6368

Step-by-step explanation:

Given : The proportion of z-test for population mean : \hat{p}= 0.80

Sample size : n=45

We assume that this is normally distributed.

The test statistic for population proportion :-

z=\dfrac{\hat{p}-p_0}{\sqrt{\dfrac{p_0(1-p_0)}{n}}}

Now, for p_0=0.82, we have

z=\dfrac{0.80-0.82}{\sqrt{\dfrac{0.82(1-0.82)}{45}}}\\\\\approx-0.35

By using the standard normal distribution table , the probability that at least 82% of the surveyed students will be attending college will be :-

P(p\geq0.82)=P(z\geq-0.35)\\\\=1-P(z

Hence, the probability that at least 82% of the surveyed students will be attending college = 0.6368

4 0
3 years ago
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