Answer:
8.99
Explanation:
we have to divide 38.95-11.98 and divide the answer with three.
The table below lists the means and standard deviations for 5th graders in the district and for the norm group for student performance in four different subjects. According to the table, the performance of the 5th graders in the district is more variable than that of the norm group in which subject(s)?
Using the coefficient of variation, it is found that the performance of the 5th graders in the district is more variable than that of the norm group in Geography and Science.
What is the coefficient of variation of a distribution?It is given by the division of the standard deviation by it's mean.
Researching this problem on the internet, we have that for geography, the class mean and SD are given, respectively, by 75 and 12, while the norm is of 10 and 85, hence:
[tex]CV_c = \frac{12}{75} = 0.16[/tex]
[tex]CV_n = \frac{10}{85} = 0.12[/tex]
In English, the mean and SD are 100 and 10, respectively, for both, hence:
[tex]CV_c = \frac{10}{100} = 0.11[/tex]
[tex]CV_n = \frac{10}{100} = 0.11[/tex]
In Spelling, they are for the class of 125 and 12, for the norm 15 and 120, hence:
[tex]CV_c = \frac{12}{125} = 0.096[/tex]
[tex]CV_n = \frac{15}{120} = 0.125[/tex]
In Science, they are for the class of 90 and 20, for the norm 15 and 90, hence:
[tex]CV_c = \frac{20}{90} = 0.2222[/tex]
[tex]CV_n = \frac{15}{90} = 0.1667[/tex]
Hence the class is more variable in Geography and Science.
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I ready 8 mathematics practice and problem solving
Answer:
Wait whats ur question? I can help and then edit this to answer ur question :)
Explanation:
What issue is the supreme court facing in the article?
How many moles of carbon monoxide are there in 36. 55 g of carbon monoxide?
Answer:
mass of carbon monoxide
m = 36.55g
The chemical formula of carbon monoxide is,
C
O
.
Calculating the molar mass of carbon monoxide:
M
=
1
×
12
g
m
o
l
+
1
×
16
g
m
o
l
=
28
g
m
o
l
Calculating the number of moles:
n
=
m
M
=
36.55
g
28
g
m
o
l
=
1.305
m
o
l
Therefore, the are
1.305
moles in
36.55
grams of carbon monoxide
For each of the numbers a, b, c, d, r, and s, state whether the function whose graph is shown has an absolute maximum or minimum, a local maximum or minimum, or neither a maximum nor a minimum. (enter your answers as a comma-separated list. )
Based on the fact that the graph is not given, the graph with similar question is given below. The use of the numbers a, b, c, d, r, and s, to state the functions is given below:
Absolute Maximum = sAbsolute Minimum = rLocal maximum = cLocal minimum = b, rNeither a maximum or minimum = adHow do you know the maximum and minimum of a set of data?The maximum and minimum is known to often appear mostly at the first, second, and third quartiles in a set of values.
The maximum value of a graph is said to be the point where the y-coordinate is said to have the largest number or value. The minimum value is known to be the point on the graph where the y-coordinate is said to have the lowest value.
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Laura sees a horse pulling a buggy. Which statement best describes the forces acting on the horse and buggy? the net forces exerted on the horse and cart are the same, but the action force is larger. The net forces exerted on the horse and cart are the same, but they are in the same direction. The net forces exerted on the horse and cart are not the same, so the two forces cancel out. The net forces exerted on the horse and cart are not the same, so they are not balanced forces
The statement which best describes the forces acting on the horse and buggy is: D. The net forces exerted on the horse and cart are not the same, so they are not balanced forces.
The two types of force.In Science, there are two (2) main types of force that act on all objects and these include:
Unbalanced forceBalanced forceWhat is a balanced force?A balanced force refers to a type of force that is only produced when two or more forces (net forces) that are acting on an object (buggy) are equal in magnitude and as such, it does not result in a change of motion (acceleration).
In this scenario, the net forces exerted on the horse and cart are not equal or the same in magnitude, so they are not balanced forces. Thus, resulting in a change of motion of the buggy.
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Answer:
d
Explanation:
A married couple agreed to continue bearing a new child until they get two boys, but not more than 4 children. assuming that each time that a child is born, the probability that it is a boy is 0.5, independent from all other times. find the probability that the couple has at least two girls.
The probability that this couple has at least two girs is 0.5
This couple have an agreement to keep having children till they have two boys but they plan on not having more than 4 children.
Whenever they have a new child, there is a 0.5 chance that the baby is a boy.
The probability would be 1 - P'
P' = 0.5³ + 0.5³ + 0.5² = 0.5
1- 0.5 = 0.5
The probability that the couple has at least two girls is given as 0.5
What is probability?This is a topic in mathematics and statistics that is used to refer to the chances of an event occuring.
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What is the function of each of these structures butterfly and bird wing
Answer:
Another function of butterfly wings is to trap heat and insulate the insect. The tiny scales on the wings absorb heat from the light, which regulates the insect's body temperature
Assume leisure is an inferior good instead of a normal good. the income effect of a wage increase will lead to a ________ demand for leisure and a ________ labor supply.
Answer:
decreased
increased
Explanation:
decreased-this means that you do not need leisure as an important aspect of your life. therefore the time or the money that you could spend in leisure will be saved or invested in another thing.
Increased
the time that was supposed to be spent in leisure will a ternative Lee be used in a productive way.
Nevaeh ran 21 kilometers in 5 hours. If she ran at a constant speed, how many kilometers did she run in 2 hours?
Answer:
the answer is 8.1
Explanation:
21 ÷ 5= 4.1 ×2 = 8.1
These salts all dissolve in water. Which salt forms a basic solution?
Answer:
sodium acetate is disolve in all watef
What is the maximum volume of water a hamster bath
Answer:
about to this mid chest
Explanation:
hope it helps
Which word best describes american society in 1922?
One of the words with which the beginning of the 1920s is associated is happiness because this period was very prosperous for the United States.
What were the roaring twenties?The Roaring Twenties is a term used to refer to the period of economic prosperity in the early 1920s in some Western countries such as:
GermanyAustraliaCanadaFranceThe United StatesThe United Kingdom,During this time there was an expansive period of the economy that benefited the whole of society and made the economy continue to grow at a rate that had not been recorded before, generating a speculative bubble.
According to the above, the word with which the beginning of the twenties can be associated is happiness.
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Which among the organisms on earth has the greatest number identified or named
Answer:
insects
Explanation:
Distinguish between conflict avoidance confrontation and resolution
A shopkeeper had purchased 400 products for $40 each
Answer:
800
Explanation:
add 4+4=8 then put a two zero at the end will equal $800 dollars
Bias is most likely to appear in a news story when
Calvin deposits $400 in a savings account that accrues 5% interest compounded monthly. After c years, calvin has $658. 80. Makayla deposits $300 in a different savings account that accrues 6% interest compounded quarterly. After m years, makayla has $613. 4. What is the approximate difference in the number of years that calvin and makayla have their money invested? makayla invests her money 1 year longer. Makayla invests her money 2 years longer. Calvin invests his money 1 year longer. Calvin invests his money 2 years longer
Using compound interest, it is found that the approximate difference in the number of years that calvin and makayla have their money invested is given as follows:
Makayla invests her money 2 years longer.
What is compound interest?The amount of money earned, in compound interest, after t years, is given by:
[tex]A(t) = P\left(1 + \frac{r}{n}\right)^{nt}[/tex]
In which:
A(t) is the amount of money after t years. P is the principal(the initial sum of money). r is the interest rate(as a decimal value). n is the number of times that interest is compounded per year. t is the time in years for which the money is invested or borrowed.For Calvin, the parameters are given as follows:
[tex]P = 400, r = 0.05, n = 12, A(t) = 658.8[/tex]
Hence:
[tex]A(t) = P\left(1 + \frac{r}{n}\right)^{nt}[/tex]
[tex]658.8= 400\left(1 + \frac{0.05}{12}\right)^{12t}[/tex]
[tex]\left(1 + \frac{0.05}{12}\right)^{12t} = \frac{658.8}{400}[/tex]
[tex](1.00416666667)^{12t} = 1.647[/tex]
[tex]\log{(1.00416666667)^{12t}} = \log{1.647}[/tex]
[tex]12t\log{1.00416666667} = \log{1.647}[/tex]
[tex]t = \frac{\log{1.647}}{12\log{1.00416666667}}[/tex]
[tex]t = 10[/tex]
For Makayla, the parameters are given as follows:
[tex]P = 300, r = 0.06, n = 4, (t) = 613.4[/tex]
Hence:
[tex]A(t) = P\left(1 + \frac{r}{n}\right)^{nt}[/tex]
[tex]613.4 = 300\left(1 + \frac{0.06}{4}\right)^{4t}[/tex]
[tex]\left(1 + \frac{0.06}{4}\right)^{4t} = \frac{613.4}{300}[/tex]
[tex](1.015)^{4t} = 2.0447[/tex]
[tex]\log{(1.015)^{12t}} = \log{2.0447}[/tex]
[tex]12t\log{1.015} = \log{2.0447}[/tex]
[tex]t = \frac{\log{2.0447}}{4\log{1.015}}[/tex]
[tex]t = 12[/tex]
12 - 10 = 2, hence Makayla invests her money 2 years longer.
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One bee leaves the hive and another bee leaves the flowerbed
What is the first step to creating an informative essay?editingprewritingdraftingsequencing
Answer:
find a interesting topic
Explanation:
if you choose a topic your a interested in it will make it easier for you
Explain how you can use the knowledge of subject matter experts and your peers
In lines 12-13 ("misfit. . . System"), sentence fragments and a stanza break are used to
In lines 12-13 ("misfit. . . System"), sentence fragments and a stanza break are used to Reinforce those lines descriptions of the beloved relationship to space and time.
What is a sentence fragment?A sentence fragment is known to be a combination of words that are said to resemble a sentence, but they are not a complete sentence.
Sentence fragments are said to not have a subject or verb, or they do not make one to have a complete thought. It is used to Reinforce the lines descriptions of the beloved relationship to space and time in the passage.
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In the circuit shown above, the current through the ammeter is 20 ma and the voltmeter indicates 1. 0 v. What is the current through the 40 ω resistor?
Answer:
i dont know bro but i have an idea but ill text it later
A workstation is out of compliance with the group policy standards set by the domain
The command prompt that you would use to ensure all policies on the workstation are up to date is: gpupdate/force.
What is a workstation?A workstation is also referred to as a computer system and it can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and processes these data into an output (information) that could be used by an end user.
In Computer technology, a workstation could become out of compliance with the group policy standards that were set by the domain. As an administrator, gpupdate/force is a command prompt that you would use to ensure all policies on the workstation are up to date.
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In context, the phrase "the cradle of civilization" in the eighth paragraph might best be interpreted to imply both
The phrase "the cradle of civilization" means any particular point or area where civilization is said to have independently started or emerged from.
What is the the cradle of civilization?The cradle of civilization has been found to be in Mesopotamia. It is known as the region of modern day Iraq.
It is called the cradle of civilization as it was found to be the first place where complex urban centers was said to have emerged from.
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2. say you are trying to upload a photo to share with a photo sharing app. you see a non-specific error message, like "sorry, something went wrong." list all the ways you can think of to try to fix or work around the error. (200 word max limit)
To fix the work around the error, it can be as a result of photo size been too large or a network connection issue.
To fix it, try using another photo if it will work.Check your internet connection.check the settings to see if there are some omissions.Why do a person keeps getting an upload error?A person may get an error message when they upload a file in when it is in the wrong format.
It is therefore right to ensure you are using a supported file type. One can also try making changes to your or looking at your codecs or editing software.
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Will there be noise cancellation in example a or example b?
Answer:
Answer: The answer is B. Hope this helps:D (If you don't mind can i have the brainliest answer?) Explanation: Still stuck?
A person weighing 0. 70 kn rides in an elevator that has an upward acceleration of 1. 5 m/s2. What is the magnitude of the force of the elevator floor on the person?
The magnitude of the force of the elevator floor on the person is; 807.13 N
What is the Magnitude of force?We are given;
Weight; W = 0.7 KN
Acceleration; a = 1.5 m/s²
There are only two forces acting on the person: which are his weight W (downward) and the normal force N of the floor against the body (upward). Thus the equilibrium equation here is;
N - W = F
N - W = ma
Here, m is the mass of body, and its value is calculated as;
W = mg
0.7 = 9.81m
m = 0.7/9.81
m = 71.42 kg
Thus;
N - 0.7 = 71.42 * 1.5
N = 0.7 + (71.42 * 1.5)
N = 807.13 N
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In a human karyotype, there are 46 chromosomes (23 pairs). If we choose one pair, such as pair 11, what do the two chromosomes of the pair have in common?
The common features include length, centromere position and staining patterns. Moreover, the same phenotypic traits are coded for by the genes of both homo-logous chromosomes.
What are homo-logous chromosomes?Homo-logous chromosomes are chromosomes in the cell of an individual that contain the same or nearly identical nucleotide sequences.
Humans have diploid cells, which means that our somatic (body) cells contain two complete sets of homo-logous chromosomes.
Homo-logous chromosomes exhibit very similar characteristics in a karyotype simply due to sequence homo-logy.
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Envision algebra 1 6 topic assessment form b answers
An equation can have zero or as many solutions as possible
The equation 5x + 2 − 2(x − 1) = 3x + 4 has infinitely many solutions
How to determine the number of solutions?From the complete question (see attachment), we have the following equation
5x + 2 − 2(x − 1) = 3x + 4
Open the bracket
5x + 2 − 2x + 2 = 3x + 4
Collect like terms
5x − 2x + 2 + 2 = 3x + 4
Evaluate the like terms
3x + 4 = 3x + 4
The expressions on both sides of the equation are the same.
Hence, the equation has infinitely many solutions
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