Answer:
The stem-and-leaf plot shows the test scores of a science class. Use the plot to answer the question. 1.how many students scored 78? (1 point) 1 student 2 students 3 students 4 students
the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science
Everyone in Andy’s class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish their projects (got 4 students)
How many of the 28 students in Andy's class are boys, if 4/7 are girls?
Step-by-step explanation:
Need help with this question ASAP
Answer: 2(x+5)
Step-by-step explanation:
Try it!
A(n) is the value of the nth term of the sequence
26, 39, 52, 65, 78. Is the domain of the function
continuous or discrete? Explain.
k
Share with class
Answer:
discrete
Step-by-step explanation:
the domain represents the number of terms and it only has natural numbers
The domain for the nth term A(n) of the sequence 26, 39, 52, 65, 78 is discrete.
What is a discrete function?When the domain and range of a function are discrete sets of values rather than intervals, the function is said to be discrete.
The given sequence is 26, 39, 52, 65, 78.
Since, Domain represents the real sets of values,
In the given sequence, the number in the sequence is real.
Also, the sequence is a discrete set of values,
Implies that, the domain of the function A(n) is discrete.
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Department stores are about to release a new makeup line, and a promotional kit will be sold for $42.75. The cost to produce the kits can be determined by the cost function, where x is the number of kits to be produced and sold:
C(x) = 28.25x + 8,250.
Type the correct answer in the box.
Answer: 569
Step-by-step explanation:
Answer:
They have to sell 569 makeup kits to make a profit
Step-by-step explanation:
Annette bought 3 notebooks for $0.80 each and a pack of pens for $1.20. She gave the clerk some money and got back
$1.40 in change. How much money did Annette give the clerk
A cohort study was undertaken to examine the association between high lipid level and coronary heart disease. Participants were classified as having either a high lipid level (exposed) or a low or normal lipid level (unexposed). Because age is associated with both lipid level and risk of heart disease, age was considered a potential confounder, and the age of each subject was recorded. The following data describes the study participants:Overall, there were 11,000 young participants and 9,000 old participants. Of the 4,000 young participants with high lipid levels, 20 of them developed CHD. Of the 6,000 old participants with high lipid levels, 200 of them developed CHD. In the unexposed, 18 young and 65 old participants developed CHD.1. Construct the appropriate two by two tables using the data given above. Be sure to label the cells and margins.2. Calculate the appropriate crude ratio measure of association combining the data for young and old individuals.3. Now, perform a stratified analysis and calculate the appropriate stratum-specific ratio measures of association. What are they?4. Do the data provide evidence of effect measure modification on the ratio scale? Justify your answer.
Step-by-step explanation:
1. Is a table which is contained in the attachment
2. The crude ratio measure
= 4000x3000+20*5800/7000*6000+200*3980
= 12000000+116000/42000000+796000
= 12116000/42796000
= 0.283
3. Stratum specific for high lipid
= 12000000/42000000
= 0.285
= 0.29
Stratum specific for chf
= 116000/796000
= 0.145
= 0.15
4. High lipid has higher risk than chd from the solution here
What’s the answer I’m confused
Answer:
no solution
Step-by-step explanation:
there is no solution
pls help ............
Answer:
36.84997
Step-by-step explanation:
Answer:
36.84997
Step-by-step explanation:
Given that x = 3 and y = -2, evaluate the expression below
8x2 +2y -15
Answer:
15-739-28
Step-by-step explanation:
Should you use theoretical or experimental probability to predict the number of times you will draw an M in 2,000 draws? Explain
No troll comments + don’t answer if you don’t know..
And I don’t want to see, attach a file here and then some wierd website name... Stop it’s not funny
Answer:
Sorry If I'm wrong but I'm pretty sure you would use theoretical
Step-by-step explanation:
Because Theoretical is used to make predictions and when doing this you would have to make lots of predictions on what you would get.
(Hope It's Right!)
Anyone know 10% of $49.31
10% of $49.31
$4.931 dollars
If the diameter
of Earth is 7918
miles, what is the
distance from its
surface to its core,
in miles?
Answer:
3959
Step-by-step explanation:
Distance from surface to its core is 3,959 miles
Distance based problem:Given that;
Diameter of earth = 7,918 miles
Find:
Distance from surface to its core
Computation:
Radius of earth = Distance from surface to its core
Distance from surface to its core = 7,918 / 2
Distance from surface to its core = 3,959 miles
Find out more about 'distance'.
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The graph shows a proportional relationship. Which equation matches the
graph?
A. y = 2
B. y = x
C. y = 4x
D. y = x
describe de manera clara y sencilla tres conceptos principales del tema anterior y explique su importancia
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Can you guys help me?
Answer:
x= 10
Scale factor is 2 based on the vertical side of the triangle.
help me pleasee, ASAP!!
The following function describes the number of employees working at a company, In thousands, where trepresents the number of years since the company revised the benefits package.
f(t) = 1.5(0.90)^t
Consider the missing part of the question is "Select the correct statement.
A. The number of employees is increasing by 50% every year.
B. The number of employees is decreasing by 10% every year.
C. The number of employees is decreasing by 90% every year.
D. The number of employees is increasing by 90% every year."
Given:
The function is:
[tex]f(t)=1.5(0.90)^t[/tex]
Where, f(t) is the number of employees working at a company, in thousands and t is the number of years since the company revised the benefits package.
To find:
The correct statement from the given options.
Solution:
The general exponential decay model is:
[tex]f(t)=a(1-r)^t[/tex] ...(i)
Where, a is the initial value, r is the rate of decay and t is the number of years.
We have,
[tex]f(t)=1.5(0.90)^t[/tex]
It can be written as
[tex]f(t)=1.5(1-0.10)^t[/tex] ...(ii)
From (i) and (ii), we get
[tex]a=1.5,r=0.10[/tex]
The initial value is 1.5 and the rate of decay is 0.10 or 10%. It means the number of employees is decreasing by 10% every year.
Therefore, the correct option is B.
A gaming console is $125 and it was reduced by 17%. How much is the gaming console after the reduction?
Answer: 103.75
Step-by-step explanation: hope this helps!
An executive traveled 1,930 miles by car and plane. He drove to the airport at an
average speed of 60 mph and the plane averaged 350 mph. The total trip took 8 hours.
How long did it take to get to the airport?
Answer:
It took 3 hours to get to the airport
Step-by-step explanation: Can I get brainliest? Thanks!
Total distance = 1930
Car speed avg = 60 miles per hour
Plane speed avg = 350 miles per hour
Time = 8 hours
(60*3)+(350*5)=1930 (Try combinations of 3+5, 4+4, 2+6 etc)
It took 3 hours to get to the airport
Please help me I need help — thank you if you help me. :)
Answer:
57
Step-by-step explanation:
Give the coordinates and quadrant of Point Z.
A. (9, 10) Quadrant l
B. (10, 9) Quadrant l
C. 10, 9) Quadrant ll
D. (9, 10) Quadrant ll
the graph shows two lines,A and B
How many solutions are there for the pair of equations for all lines A and B? Explain your answer.
9514 1404 393
Answer:
1
Step-by-step explanation:
A solution for the pair of equations is a point that is on both lines. The only point on this graph that is on both lines is the one point where the lines intersect. There is one solution.
Lydias hotel room number has three digits.The hundreds digit has a value of 40 Tens.The Tens digit is greater than 6. Which could be Lydias hotel room number?
Any 3 digit number can be expressed in the form of:
[tex](a*100)+(b*10)+(c*1)[/tex]
Where [tex]a, b, c[/tex] represent any natural number from 0 to 9.
We are told the hundreds number (this means [tex]a*100[/tex] in the expression above) is equal to the value of 40 tens, 40 tens is 400. Then, we know the digit in the tens is greater then 6, this means [tex]b>6[/tex] in the expression above.
So, there are multiple numbers the room number could be, namely:
[tex]400+(b*10)+(c*1)\\[/tex]
where [tex]b[/tex] can be 7, 8, or 9; and [tex]c[/tex] can be 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. So, there's 30 possible room numbers Lydia may be.
To visit his grandmother, Luis takes a train 6.376.376, point, 37 kilometers and a car 5.455.455, point, 45 kilometers.
How many kilometers is Luis's journey in total?
Answer:
Luis traveled 11.82 km in total.
Step-by-step explanation:
The statement should say: To visit his grandmother, Luis takes a train 6.37 kilometers and a car 5.45 kilometers. How many kilometers is Luis's journey in total?
Hence, to find the total distance traveled by Luis we must add the distances of the train (6.37 km) and the car (5.45 km):
[tex] d = d_{t} + d_{c} = 6.37 km + 5.45 km = 11.82 km [/tex]
Therefore, Luis traveled 11.82 km in total.
I hope it helps you!
A car use 40 litres of petrol to travel 340 km.
how far will it travel on a full tank of 52 litres?
how many litres of petrol should it use for a journey of 250 km?
Answer:
......
Step-by-step explanation:
Yeh
Name the type of transformation shown.
1.
2.
3.
4.
What is 30% of $439 p
math is my worst subject
Answer: $131.7
Step-by-step explanation:
Use the equation 439(n)
n will be 0.30 in this case
now multiply them
439(0.30)
Your answer will be
$131.7
Peter lives in an apartment and pays the following expenses each month: electric bill, $34.80; TV streaming service,
$27.99; and rent, $614.85. Estimate his total expenses for the month by first rounding each value to the nearest tens
place.
Answer:
680
Step-by-step explanation:
add al you can add all of them and then my total came to 67 7.64 rounded to the nearest should be around 680
The total expenses for the month including electric bills, TV streaming service and rent is $677,6.
What is summation?Summation is basically the result obtained by addition of all the numbers whose summation is to be obtained. The symbol used is ∑ for summation.
How to calculate total expenditure?The expenditures done by Peter who lives in an apartment are:
Electric bill=$34.80
TV streaming service=$27.99
Rent=$614,85
Total expenditure incurred by Peter on electric bill, TV streaming service and rent =34.80+27.99+614.85
=$677.64
After rounding off we will get $677.6.
Hence the total expenses done by Peter on electric bill, tv streaming service, rent is $677.6.
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Marco’s model bridge is 9 centimeters taller than Sho’s model bridge. If Sho’s bridge is 31 centimeters tall, which equation could be solved to find the height of Marco’s bridge?
Answer:
31-9
Step-by-step explanation:
hers is 31 so if marcos is 9 in taller you just subtract it to get the height of his
It's too short. Write at least 20 characters to get a great answer.
ignore this.^
help
Answer:
C
Step-by-step explanation:
Which matches the inequality?
x > 3
(adding extra characters so its over 20)