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Ghella [55]
2 years ago
6

It takes Hoai 20 minutes to walk to his friend's house 7/8 mile away. What is his walking pace?

Mathematics
2 answers:
algol [13]2 years ago
6 0

Step-by-step explanation:

To find her walking pace in 'miles per hour', we need to divide the distance (in miles) by the time (in hours)

speed

=

distance

time

The time is given in minutes, but

50

minutes =

50

60

hours

=

5

6

hours

1

2

3

÷

5

6

=

5

3

×

6

5

miles per hour

=

5

3

×

6

2

5

=

2

miles per hour

mars1129 [50]2 years ago
3 0

Answer:

2 miles per hour

Explanation:

To find her walking pace in 'miles per hour', we need to divide the distance (in miles) by the time (in hours)

Step-by-step explanation:

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Consider the statistical study below and then
bagirrra123 [75]

Answer:

a) The population is all people who exercise regularly; population parameters are test scores for all​, categorized by whether or not each individual was given a suggestion.

b) The sample is the 98  studied; the sample statistic is the test scores for the 98 studied, categorized by whether or not each individual was given a suggestion.

c) Experiment

Step-by-step explanation:

Rewriting for the sake of clarity

<em>98 people who exercise regularly were given cognitive tests.  It was discovered that those participants who were given a suggestion, their exercise habits might affect their performance on the test actually did worse on the test.</em>

a. identify the population and the population parameter of​ interest,

In Statistics, Population is a Set under scrutiny.

The Parameter of a Population is any descriptive measure that helps to draw the Distribution curve. So in this case, it is fair to say that:

The population is all people who exercise regularly; population parameters are test scores for all​, categorized by whether or not each individual was given a suggestion.

b. describe the sample and sample statistic for the​ study,

The sample is any subset within the Population.

The sample statistic might be any to measure in this case, the suggestion and see if there is any correlation between them and the results in what extent, etc. to deeper analyze it.

Then:

The sample is the 98 studied; the sample statistic is the test scores for the 98 studied, categorized by whether or not each individual was given a suggestion.

c. identify the type of study.

The statistical study here is an experiment since the 98 people were undergone to cognitive tests then their results were scrutinized.

6 0
3 years ago
PLEASE PLEASE HELP IM TIMED!! Just look at the picture
barxatty [35]
The first one A 7/2
You can just round up 6.75 -> 7 and 1.67->2
4 0
2 years ago
Read 2 more answers
How does the percent equation relate proportional quantities?​
Julli [10]

Answer:

Use cross product to determine if the two ratios form a proportion. Here we can see that 2/16 and 5/40 are proportions since their cross products are equal. Percent means hundredths or per hundred and is written with the symbol, %. Percent is a ratio were we compare numbers to 100 which means that 1% is 1/100.

Step-by-step explanation:

5 0
3 years ago
X+3y=10<br>X-5y=-2<br><br>X=? <br>Y=?
Inessa [10]
<span>X+3y=10
X-5y=-2
--------------subtract
8y = 12
  y = 12/8 = 3/2  = 1.5

</span><span>X+3y=10
x = 10 - 3y
x = 10 - 3(1.5)
x = 10 - 4.5
x = 5.5

answer
x = 5.5 and y = 1.5 </span>
4 0
3 years ago
Read 2 more answers
Given f(x)=x^2+3 and g(x)=x+5/x. Find (g o f)(4)
arlik [135]
To find g(f(4)), work from the inside out.

f(4) is 4^2+3, or 16+3, or 19.  Now, we must find g(19).

This is 19+5/19.  This is already a mixed number, though if you want an improper fraction solution, we have:

361/19+5/19

Which simplifies to:

366/19

Therefore, 366/19 is the answer.
3 0
3 years ago
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