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Olegator [25]
3 years ago
7

8 minus the quotient of 15 and Y equals a product of Y and 13

Mathematics
1 answer:
meriva3 years ago
8 0

Translating this verebal statement into a symbolic statement:

8 - 15/y = 13y.

Note: your statement would sound better if written as "8 minus the quotient of 15 and y equals the product of y and 13."

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Which of these is the absolute value parent function?
kotykmax [81]

Answer:

Option d. is correct answer.

Step-by-step explanation:

<em>f(x) = [x]</em><em> </em>is the absolute value parent function.

7 0
3 years ago
How does the speed of a runner vary over the course of a marathon (a distance of 42.195 km)? Consider determining both the time
Tom [10]

Answer:

The observed typical difference value of mode is 100 seconds approximately.

The proportion of runners ran the late distance more quickly than the early distance is approximately 1%

Step-by-step explanation:

Fundamentals

Consider that there are x favorable cases to an event E, out of a total of n cases. Then, the probability of that event is written as:

P(E)=  

Total number of cases /Number of favorable cases =  x/n

A histogram is constructed for continuous data, which is divided into classes called bins. The shape of the distribution can be determined from the histogram.

step 1

The provided histogram indicates time difference on xx -axis and frequency of runners on yy -axis. To determine the typical difference value, identify the peaks of the graph.

The histogram is skewed towards right side. The graph indicates that there are few outliers around 700 seconds. For a typical difference value, the value of mode is considered.

The graph indicates that the value of mode is 100 seconds approximately.

The observed typical difference value of mode is 100 seconds approximately.

Explanation

From the histogram, the typical difference value is obtained on the basis of guessing the value of mode which has been approximated to be around 100 seconds.

Step 2

From the histogram, it can be estimated that there are around 10 runners which has negative difference which means approxi8matley 10 runners ran the late distance more quickly than the early distance,

The approximate sample size can be calculated as:

Sample size=90+190+180+160+120+80+60+40+30+20

Thus, the proportion of runners is obtained as:

\begin{array}{c}\\p = \frac{{\left( \begin{array}{l}\\{\rm{Number of runners who has }}\\\\{\rm{negative time difference}}\\\end{array} \right)}}{{{\rm{Total sample size}}}}\\\\ = \frac{{10}}{{970}}\\\\ = 0.01\\\end{array}  

p=  <u> </u>Number of runners who has

<u>     negative time difference   </u>

      Total sample size

​  

=10/970

=0.001

The proportion of runners ran the late distance more quickly than the early distance is approximately 1%

EXPLANATION

The obtained proportion is 0.01. It indicates that there are approximately 1% of the runners who ran late distance more quickly than the early distance is very few.

​  

​  

3 0
3 years ago
At last week's track meet, Stacy ran 9/12 of a km, Jules ran 4/5 of a km, and Raul ran 3/4 of a mile. Which two students ran the
koban [17]

Answer:  No two students ran same distance

Step-by-step explanation:

Given

Stacy ran \frac{9}{12} of a km i.e.

\Rightarrow 1\times \dfrac{9}{12}=\dfrac{3}{4}=0.75\ km

Jules ran \frac{4}{5} of a km i.e.

\Rightarrow 1\times \dfrac{4}{5}=0.8\ km

Raul ran \frac{3}{4} of mile i.e.

\Rightarrow 1\times \dfrac{3}{4}=0.75\ miles\\\\\text{1 mile=1.6 km}\\\\\Rightarrow 0.75\ miles=1.2\ km

So, no two students ran the same distance.

6 0
2 years ago
A nursery owner buys 9 panes of glass to fix some damage to his greenhouse. The 9 panes cost ​$22.95. ​Unfortunately, he breaks
Oksana_A [137]

Answer:

10.2$

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
In 1978, the amount of earnings required to earn one Social Security credit was $250. Thirty years later, in 2008, this amount w
vagabundo [1.1K]

Answer:

the percentage increase is 360%

Step-by-step explanation:

The computation of the increase in percentage is shown below;

Given that

SOcial security credit as on 1978 is $250

And, the social security tax as on 2008 is $1,150

Now based on the above information

The percentage increase is

= ($1,150 - $250) ÷ ($250)

=  360%

Hence, the percentage increase is 360%

3 0
2 years ago
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