Study data: The 45 exercise sessions from study participants were all recorded.
What is meant by data of study?Study Data includes all information created, obtained, or acquired during the conduct of the Study, including Samples 1 through 3 including databases, documents, reports, and other material.
Any information that has been gathered, noticed, produced, or made specifically to support initial study conclusions is referred to as research data. Research data can also be found in non-digital media like diary and lab notebooks, despite being mostly digital.
A. Study data: The 45 exercise sessions from study participants were all recorded.
B. Study parameter: The average weekly exercise time for all participants.
C. Study variable: The length of time that each individual fitness facility patron exercises.
D. Study participants: all patrons of the fitness club.
E. The 45 gym patrons who took part in the survey made up the study's sample.
F. Statistics of the study: The average amount of time that a sample of clients exercises in one week
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the loving lemon company sells a 4-gallon jug of lemonade for $24. The sweet and sour company sells an eight pack of 1-quart bottles of lemonade for $16.00. Witch company has a higher unit price please explain your answers
Answer:
The Sweet and Sour company
Step-by-step explanation:
Convert both types of lemonades into gallons and divide by the price.
For the loving lemon company you divide 24 by 4 and get a unit price of $6 per gallon
For the sweet and sour company change the 8 quarts into 2 gallons and divide 16 by 2, which gets you a unit price of $8 per gallon
The perimeter of a square is 28 feet what is its area in square feet
Answer:
49 feet squared
Step-by-step explanation:
Divide the perimeter by the the number of sides a square has to find the length of each side, then find the area by multiplying two of the side lengths
28÷4 = 7
7×7=49
PLEASE PLEASE PLEASE HELP ME
Answer:
276 .........................................
If g(x) = 4x - 9. solve g[g(x)] = g(x) for x.
Answer:
f ( x + 4 /9 ) = 4 x − 65/ 9
Step-by-step explanation:
Looking out from a balcony, the angle of elevation to the top of the next building is
approximately 22 degrees. The angle of depression to the bottom of the building is
approximately 29 degrees. If the building is 200 feet away, how tall is it?
Answer:
191.67 feets
Step-by-step explanation:
From. The attached picture :
Height x can be obtained using trigonometry :
Tan 22 = x / 200
0.4040262 = x / 200
x = 0.4040262 * 200
x = 80.805245 feets
For height, y :
Tan 29 = x / 200
0.5543090 = x / 200
y = 0.5543090 * 200
y = 110.86181 feets
Building height = x + y
Building height = 80.805245 + 110.86181 = 191.67 feets
8. Determine whether each relation is a function. a. 2 3 -2 -1 -2 X 4 5 3 4 5 3 7 0 y b. 1 2 1 2 X 7 2 y 3 4 y 5 6 5 fur
on solving the equation, we have therefore the value of x from the given equation comes out to be 13.5
What is equation?An equation is a formula in mathematics that joins two statements with the equal symbol = to represent equality. The definition of an equation in algebra is a mathematical statement proving the equality of two mathematical expressions. In the equation 3x + 5 = 14, for instance, the terms 3x + 5 and 14 are separated by an equal sign. The link between two phrases on either side of a letter is expressed mathematically. There is often only one variable, which is also the symbol. instance: 2x - 4 Equals 2.
equation given is 3(x+2)=7x-48
value of x
[tex]3(x+2)=7x-48\\ 3x+6=7x-48\\7x-48-3x-6=0\\ 4x-54=0\\ 4x=54\\ x=54/4\\ x=13.5\\[/tex]
value of x from the given equation comes out to be 13.5
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A woman leaves home at 7 am and drives to New York City 200 miles away. If she averages 50 miles per hour, what time will she arrive at the city
Answer:
11 AM
Step-by-step explanation:
Mile Calculation:
200 miles away and 50 miles per hour.
200 divided by 50 is equal to 4
Answer:
Now, 7 am + 4 hours is equal to 11 AM.
A research organization reported that 41 percent of adults who were asked to describe their day responded that they were having a good day rather than a typical day or a bad day. To investigate whether the percent would be different for high school students, 600 high school students were randomly selected. When asked to describe their day, 245 students reported that they were having a good day rather than a typical day or a bad day. Do the data provide convincing statistical evidence that the proportion of all high school students who would respond that they were having a good day is different from 0.41 ?
A) No, because the p value is less than any reasonable significance level
B) No, because the pvalue is greater than any reasonable significance level
C) Yes, because the p-value is less than any reasonable significance level
D) Yes, because the pvalue is greater than any reasonable significance level
E) Yes, because the expected value of the number of students who will report having a good day is 246, not 245.
Answer:
B) No, because the p-value is greater than any reasonable significance level
Step-by-step explanation:
H-null: p = 0.41
H-alt: p =/= 0.41
1 proportion Z test
On a calculator: stat + tests + 5
p: .41
x: 245
n: 600
prop: =/= p
This gives a p-value = .934
(standard significance level is .05, so this p-value is much larger)
fail to reject H-null
If the p-value is much larger than 0.41 then the null hypothesis is rejected. Then the correct option is B.
What are null hypotheses and alternative hypotheses?In null hypotheses, there is no relationship between the two phenomenons under the assumption or it is not associated with the group. And in alternative hypotheses, there is a relationship between the two chosen unknowns.
A research organization reported that 41 percent of adults who were asked to describe their day responded that they were having a good day rather than a typical day or a bad day.
To investigate whether the percentage would be different for high school students, 600 high school students were randomly selected.
When asked to describe their day, 245 students reported that they were having a good day rather than a typical day or a bad day.
Null hypotheses
p = 0.41
Alternative hypotheses
p ≠ 0.41
The p-value will be given as
p-value = 0.934
The p-value is much larger than p.
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Rewrite the following expression using the Distributive Property. 5(2x -8)
A. -30x
B. 10x -40
C. 10x + 40
D. 10x -8
I think it is either B or C but I'm not sure.
Answer:
B. 10x -40
Step-by-step explanation:
To rewrite the expression 5(2x-8) using the distributive property, we need to separate the expression inside the parentheses and then multiply the two expressions by 5. The answer is: 10x-40.
The chart below shows the highest quiz score Cynthia received in four of her classes. In which class did she have the highest score?!
Answer:
English.
Step-by-step explanation:
English: 13/14 = 93%-94% (0.928...) Rounding up.
Science: 93%
Math: 92%-93%
History: 93%
If Catherine traveled 2,000 miles in 5 hours on her plane flight to her vacation destination, at what rate was the plane traveling?
A.
410 mph
B.
405 mph
C.
400 mph
D.
390 mph
what are two fractions that equal to 4/6
Answer: 2/3, 8/12
Step-by-step explanation:
Answer:
2/3 and 8/12 (brainlest plssss)
Step-by-step explanation:
Nancy wanted to find the volume of a cubiod she measured the length of the cubiod as 11 cm and width as 8cm and the height as
When Nancy wanted to find the volume of a cuboid, the volume is 352cm³.
How to calculate the volume?Word problem simply refers to a question that is written as a sentence or in some cases more than one sentence which requires an individual to use his or her mathematics knowledge to solve the real life scenario given.
Since Nancy wanted to find the volume of a cubiod she measured the length of the cubiod as 11 cm and width as 8cm and the height as 4cm.
The volume will be:
= Length × Width × Height
= 11cm × 8cm × 4cm
= 352cm³
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Complete question
Nancy wanted to find the volume of a cubiod she measured the length of the cubiod as 11 cm and width as 8cm and the height as 4cm. Find the. volume
Find the missing side or angle.
Round to the nearest tenth.
A=15°
C= 120°
b=3
c=[? ]
Enter
Given:
[tex]A=15^\circ, C=120^\circ,b=3[/tex].
To find:
The length of side c.
Solution:
According to the angle sum of property of a triangle, the sum of all interior angles of a triangle is 180 degrees.
[tex]m\angle A+m\angle B+m\angle C=180^\circ[/tex]
[tex]15^\circ+m\angle B+120^\circ=180^\circ[/tex]
[tex]m\angle B+135^\circ=180^\circ[/tex]
[tex]m\angle B=180^\circ-135^\circ[/tex]
[tex]m\angle B=45^\circ[/tex]
According to the Law of sines,
[tex]\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}[/tex]
Using Law of sines, we get
[tex]\dfrac{b}{\sin B}=\dfrac{c}{\sin C}[/tex]
[tex]\dfrac{3}{\sin 45^\circ}=\dfrac{c}{\sin 120^\circ}[/tex]
[tex]\dfrac{3}{\dfrac{1}{\sqrt{2}}}=\dfrac{c}{\dfrac{\sqrt{3}}{2}}[/tex]
[tex]3\sqrt{2}\times \dfrac{\sqrt{3}}{2}=c[/tex]
On further simplification, we get
[tex]\dfrac{3\sqrt{6}}{2}=c[/tex]
[tex]3.674235=c[/tex]
[tex]c\approx 3.7[/tex]
Therefore, the length of side c is about 3.7 units.
whats 5x5? Maybe will mark brainiest
Answer:
25
Step-by-step explanation:
5x5 = 25
Answer:
25
Step-by-step explanation:
Let's go through our times tables really quick!
5x1 = 5 (5 + 0)
5x2 = 10 (5 + 5)
5x3 = 15 (5 + 5 + 5 [10 + 5])
5x4 = 20 (5 + 5 + 5 + 5 [15 (5x3) + 5)
As we can see, if we know 5x4, we can easily find 5x5! It's just 5x4 + 5
So, 5x5 is 25
Hope this helped!
a letter is chosen at random from the word FOOTBALL, the probability that the letter chosen is not an L is:
Answer:
7/8
Step-by-step explanation:
Step 1: Count the total number of letters in the word FOOTBALL
There are 8 letters in the word FOOTBALL.
Step 2: Count the number of letters that are not L
There are 7 letters that are not L.
Step 3: Calculate the probability
The probability that the letter chosen is not an L is 7/8.
At a sale this week, a table is being sold for $429. This is a 34% discount from the original price, what was the original price?
Answer:
$574.86
Step-by-step explanation:
First you need to find 34% of 429 which is 145.86. Then you add the 145.86 to 429 which ends up being a total of $574.86.
Hope this helped :)
Someone please answer this
Answer:
3x - y = 2
Step-by-step explanation:
pick 2 points on the line: (0, -2), (2, 4)
find slope (m):
m = (4-(-2))/(2-0) = 6/2 = 3
write the equation in point-slope form first:
y - y1 = m(x - x1)
plug in a point: (2,4)
y - 4 = 3(x - 2)
y - 4 = 3x-6
now write it in standard form: Ax + By = C
3x - 6 = y - 4
3x - y = 2
whats the second step of calculating the present value of an ordinary annuity by table lookup
The second step of calculating the present value of an ordinary annuity by the table lookup is to look up the periods and rates in the PV annuity table.
What is the present value of an ordinary annuity?The present value of an ordinary annuity is the current value based on future cash inflows of the annuity, given a specified discount rate.
The present value is higher when the discount rate is lower, and vice versa.
The present value of an ordinary annuity, which discounts the annuity to the current time, is computed as Annuity Payment x Present value of the ordinary annuity table.
In conclusion, an annuity simply means a series of periodic payments and may involve payment at the beginning (annuity due) or at the end of the period (ordinary annuity).
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The heart rate of 10 football players is sampled. The rates measured in beats per minute are 62,74,74,64,76,6480,76,68,76
Answer:
71.4
Step-by-step explanation:
The Test
Write an expression with 5 terms where one of the terms is a constant of 3
Answer:
Since the term "3" contains no variables, "3" IS a constant term. In the expression 2x - 5 the constant term is -5.
Leena bought 14 yards of wire. How many inches of wire did she buy? (1 yard = 36 inches)
A. 36 in.
B. 14 in.
C. 360 in.
D. 504 in.
Steven is researching prices on living room sofas in order to determine what a typical sofa costs. Which statement correctly explains why the median price would be
more useful to Steven than the mean price?
A. The median price is the most common price.
B. The mean price might not be an actual price.
C. The mean price can be greatly changed if a few extremely high prices are included.
D. The median price is always changed when extremely high prices are included.
Answer:
the answer is c because it can be either greatly increased or decreased
HELP PLEASE!!!!!!
Find unit rate round to nearest hundredth if necessary
NO FILES PLEASE
Answer:
3.58
im guessing . soorry
Answer:
I pretty sure it the first option
The measure of angle X is three times as large as the complement of the angle. Which equation can be used to find the measure of angle X?
A
(x+3)+x=90(x+3)+x=90
B
3x+x=1803x+x=180
C
(x+3)+x=180(x+3)+x=180
D
3x+x=903x+x=
Answer:
Step-by-step explanation: 55
Find the measure of the central angle indicated and place answer below:
Answer:
The cental angle = 135º
Step-by-step explanation:
PLSS HELP
A given line has the equation 2 x + 12 y = -1.
What is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the
point (0, 9)?
Oy= - 6x + 9
=-*x+9
Oy
Ov=hx+9
O y=6x +9
Save and Exit
Next
Submit
Answer:
B
Step-by-step explanation:
mrk me brainliest plz
The equation of the straight line in slope - intercept form that
is perpendicular to the given line and passes through the point (0, 9) is -
y = 6x + 9.
What is the general equation of a straight line?The general equation of a straight line is -
y = mx + c
where -
{m} is the slope of the line.
{c} is the {y} - intercept.
Given is that the equation of a straight line as -
2x + 12y = - 1
Assume that the equation of the straight line in slope - intercept form as
y = mx + c
Now, the given straight line is perpendicular to the given line. So, we can write the slope as -
{m} = -1/(-1/6)
{m} = 6
For the {y} intercept, we can write -
{c} = 9
So, we can write the equation of the straight line in slope - intercept form that is perpendicular to the given line and passes through the point (0, 9) is -
y = 6x + 9
Therefore, the equation of the straight line in slope - intercept form that
is perpendicular to the given line and passes through the point (0, 9) is -
y = 6x + 9.
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HELP ME PLSSLSLLSLSLSSL BRAINLIEST
Which term best describes the shape of this distribution?
skewed right
skewed left
normal
uniform
Answer:
This looks like a UNIFORM distribution. There is no skewed and it's not a 'normal' distribution, which would be like a hill. does that make sense?
The image is showing the uniform distribution. The correct option is D.
What is uniform distribution?The continuous uniform distribution or rectangular distribution is a family of symmetric probability distributions in probability theory and statistics. The distribution describes an experiment in which the outcome is arbitrary and falls between certain bounds.
It can be also defined as a uniform distribution is a type of probability distribution in which every possible outcome has an equal chance of occurring.
Given that the in the image there are vertical bars showing the approximate uniformity of the data.
Here, the data is varying uniformly therefore the shape is describing the uniform distribution.
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help with this thing pls!
Answer:
41.16 m^3
Step-by-step explanation:
=(0.5×4.2×2.8)×7
=41.16
Which measure of variation should you use to describe
two data sets that are both not symmetric?
Answer:
Mean absolute deviation (MAD).
Step-by-step explanation:
A random variable often used in statistics and probability, is a variable that has its possible values as numerical outcomes of a random experiment or phenomenon. It is usually denoted by a capital letter, such as X.
In statistics and probability, random variables are either continuous or discrete.
1. A continuous random variable is a variable that has its possible values as an infinite value, meaning it cannot be counted.
Example are the height of a randomly selected person, time it take to move from Texas to New York city, etc.
2. A discrete random variable is a variable that has its possible values as a finite value, meaning it can be counted.
Examples are the number of light bulbs that burn out in the next year in a room with 19 bulbs, the number of chicken in a district etc.
In Statistics, sampling can be defined as a process used to collect or select data (objects, observations, or individuals) from a larger statistical population using specific procedures.
The mean absolute deviation also referred to as mean deviation can be defined as the average of the distance or absolute deviations between the central point of a data set. Thus, it used by statisticians to illustrate the variability or statistical dispersion in a data set.
Mean absolute deviation (MAD) is a measure of variation that should be use to describe two data sets that are both not symmetric i.e they are skewed and as such not having a mirroring image.