Answer:
The subjects in the study are not representative of the population, because some members of the population were not able to participate in the study.
Step-by-step explanation: i got it right on the test
A sample is said to exhibit undercoverage bias, if some of the portion or category of the population are not adequately represented or exempted from the selected sample. Hence, undercoverage bias exists because, The subjects in the study are not representative of the population, because some members of the population were not able to participate in the study.
Undercoverage bias produces non - representative samples as some category of the population may have been exempeted from the study. Hence, option C is correct.Undercoverage translates that the opinion of some members of the population were not even considered. Hence, the introduction of undercoverage bias.
Learn more : https://brainly.com/question/21774717
A quadratic function is represented by the graph. (graph below.) (do a-d.)
(a) What is the equation of the axis of symmetry of the function?
(b) What are the coordinates of the vertex of the function?
(c) What are the coordinates of the x-intercepts of the function?
(d) What are the coordinates of the y-intercept of the function?
Answer:
The axis of symmetry is x=1
The vertex is (1,-9)
The x-intercepts are (4,0) and (-2,0)
The y-intercept is (0,-8)
Step-by-step explanation:
axis of symmetry is the line where the vertex is, so in the quadratic of x^2, the axis of symmetry would be zero because half of the equation is on one side and the other half on the other side
The vertex is the lowest point on the quadratic, on the y values
the x-intercepts are the places the graph intercepts the x-axis.
The y-intercepts are the places the graph intercepts the y-axis
ask if u still have any questions!
If it costs $80,000 to put on an event and the total revenue is $250,000, what is the profit as a percentage of revenue? (Round to the nearest percent.)
Will mark brainliest and give 11 points if you give explanation
Answer:
both A and E
Step-by-step explanation:
because most of 70% of the water is sea salt and clean water comes from frozen underground.
you are playing rock , paper , scissors with your friend . what is the probability that your will throw something other than rock ?
A. 1/2
B. 2/3
C. 1
D. 1/3
Answer:
2/3
Step-by-step explanation:
Write an equation in slope-intercept form for the line with slope 3/5 and y-intercept -9
Write an
expression using scale factor, k, for each dimension?
1D
2D
3D
Ian bought a can of soup to give to his friend.(Ian is cheap) Now he wants to wrap the entire soup can. If the can has a circular base with a diameter of 4 inches and a height of 6 inches, how much wrapping paper will Ian need?
Answer:10inches
Step-by-step explanation:
Please help
What is the unknown value for u:3 = 2:6
Answer: i think it should be 1:3=2:6
Step-by-step explanation:
Answer:
U=1
Step-by-step explanation:
lauren took 12 hours to read a 360 boo.at this rate how long will it take her to read a 400 page book
Answer:
13.33 hours
Step-by-step explanation:
[tex]\frac{12}{360} =\frac{x}{400} \\\\360x=4800\\x= 13.33[/tex]
You make 12 equal payments. You pay a total of $1728. How much is each payment?
Answer:
$144
Step-by-step explanation:
1728/12=144
Pls help me
I’m stuck on this question pls
need help ASAP.
what is the best estimate for the value of the expression?
Answer:
11
Step-by-step explanation:
u do 4x5 which is 20
leah buys 3 adult and 3 child bus passes for a trip. the costs of an adult pass is a. the costs of a child pass is c. write an expression that will show the costs for all of the bus passes for the trip.
Answer:
6
Step-by-step explanation:
Determine the are of the triangle
Answer:
25m
Step-by-step explanation:
The unit not to be used to find the triangle area is 25 because it is the hypotenuse and to find the area of a triangle you only need base and height. The base would be 24.6 and the height would be 7.3, which would both be needed in the equation.
1\2+ 1/4 rasultado y explicasion
Answer:
[tex]\frac{3}{4}[/tex]
Step-by-step explanation:
Simplemente agregue usando la calculadora y debería obtener esta respuesta. ;)
You have a 10% coupon for your favorite restaurant. You order $75 worth of food and drinks. What will your bill be (before tax) after the 10% discount?
Answer: $67.50
Step-by-step explanation:
v/8=2
It's a one-step equation. How do I solve it?
Answer:
Mutiplying both sides by 8(v/8)×8 = v and 2×8=16 so:
v/8 = 2
v = 16
Answer:
v = 16
Step-by-step explanation:
8 x 2 = 16
16/8 = 2
so v =16
Which graph shows the zeros of the function f(x) = 2x2 + 4x – 6 correctly?
Answer:
Divide through by 2 .
x2 - 2x - 3 = 0 What two numbers add to -2 and multiply to -3 ? → +1 and -3
So...we can factor it like this...
(x + 1)(x - 3) = 0 Set each factor equal to zero and solve for x.
x + 1 = 0 and x - 3 = 0
x = -1 and x = 3
Step-by-step explanation:
What is the inverse of the function f(x) = 2x - 10?
Is this right? Will mark branliest for the correct answer
Answer:
No
Step-by-step explanation:
Drag each number to the correct location in the image. Each number can be used more than once, but not all numbers will be used. consider the equation below.
Answer:
Step-by-step explanation:
Ron is making a triangular frame for a garden using three lengths of wood. He has three pieces of wood that measure 3 feet, 8 feet, and 4 feet in length. Ron claims that he can make a triangular frame with these three pieces of wood. Do you agree with Ron? Explain your reasoning.
Answer:
Step-by-step explanation:
A side of the triangle must be shorter than the sum of the remaining two sides.
He cannot make a triangle with 3, 4, and 8.
find the domain and range of f(x)= -2x²+3
Answer is in pictures and work as well
Answer:
you need to know what domain and range mean... so remember domain is the input.... range is the output.. :)
Step-by-step explanation:
the input .. "x" in this case.. can be any number .. so the domain is all real numbers.
the output.. or range.. is limited.. b/c the square on the 'x" will always make that number positive.. and then it's multiplied by the negative 2.... so that term will always be negative. : | hmmmm so when is that squred term the smallest it can be? hmmm when it's zero... soooo this function will .. at it's greatest point be 3 and go down from there...
the range is from -∞ to 3
see? :)
factorise 36x³y-225xy³
solve for a, geometry work
Answer:
a = 45 degrees
Step-by-step explanation:
Since both angles are a, they are equal to each other
Also, we know that the right angle means it measures 90 degrees
So, (180-90)/2 = a
a = 45 degrees
Circle A has center of (6, 7), and a radius of 4 and circle B has a center of (2, 4), and a radius of 16.
Answer:
See solutions below
Explanation
We are to find the equation of circle A and B
The equation of a circle is expressed as;
(x-a)^2 + (y-b)^2 = r^2
(a, b) is the centre and r is the radius
For Circle A that has center of (6, 7), and a radius of 4
Substitute;
(x-6)^2 + (y-7)^2 = 4^2
(x-6)^2+(y-7)^2 = 16
Hence the equation of circle A is (x-6)^2+(y-7)^2 = 16
For circle B:
If circle B has a center of (2, 4), and a radius of 16
The equation is expressed as;
(x-2)^2+(x-4)^2 = 16^2
(x-2)^2+(x-4)^2 = 256
Hence the required equation is (x-2)^2+(x-4)^2 = 256
PLZ HELP ASAP I WILL GIVE BRAINLIEST
The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below the question.
Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?
A. 82/3.28
B. 4/3.28
C. 4/0.68
D. 82/0.68
Answer:
B.
Step-by-step explanation:
Answer:
B.
StartFraction 4 over 3.28 EndFraction
Step-by-step explanation:
I flipped 2 coins 100 times each. They both landed on heads 19 times, 2 tails 29 times, and 1 heads 1 tails 52 times. What is the theoretical AND experimental probability of the coins landing in all 3 ways?
Answer:
1.What is the theoretical probability that a coin toss results in two heads showing?
33%
2.What is the experimental probability that a coin toss results in two heads showing?
25%
3.What is the theoretical probability that a coin toss results in two tails showing?
33%
4.What is the experimental probability that a coin toss results in two tails showing?
21%
5.What is the theoretical probability that a coin toss results in one head and one tail showing?
33%
6.What is the experimental probability that a coin toss results in one head and one tail showing?
54%
Step-by-step explanation:
Hope this helps, I just finished my assingmnet like this tonight :))
my question is in the picture as well as the problem.
Answer:
Smallest to largest:
1 out of 10, 2/5, 2 out of 3, .75, 7/8
Step-by-step explanation:
An easy way to do this is to write each in decimal form
2/3 = .666666......
2/5 = .4
7/8 = .875
.75
1/10 = .10
Smallest to largest:
1 out of 10, 2/5, 2 out of 3, .75, 7/8
Mhanifa please c:
1) A principle of $300 was deposited in a savings account that pays 3.5 interest compounded yearly. Find the balance after 5 years.
2) UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound, and $0.30 for each additional pound. How many pounds, p, will it take for UPS and FedEx to cost the same?
Answer:
Step-by-step explanation:
300×1.035⁵ ≅ $356.31
:::::
UPS charge = 7 + (p-1)0.20 = 0.20p +6.80
FedEx charge = 5 + (p-1)0.30 = 0.30p + 4.70
0.30p + 4.70 = 0.20p +6.80
0.10p = 2.1
p = 21
They charge the same for 21 pounds.