Answers
Answer:
can't see proprly
Step-by-step explanation:
Related Questions
Let H = {0, ±3, ±6, ±9, . . .}. Find all the left cosets of H in Z.
Answers
There are three left cosets of H in Z, given by:
H = {3k | k ∈ Z}
[1] + H = {3k + 1 | k ∈ Z}
[2] + H = {3k + 2 | k ∈ Z}
To find all the left cosets of H in Z, we need to find the equivalence classes of the relation x ~ y if and only if x - y ∈ H. That is, two integers are equivalent if their difference is a multiple of 3.
To find the left cosets, we choose a representative for each equivalence class. We can choose any integer in the class as the representative. Then, we add H to the representative to obtain the left coset.
For example, the equivalence class [0] consists of all integers that are multiples of 3. We can choose 0 as the representative. Then, the left coset is
[0] + H = {0 + 3k | k ∈ Z} = {3k | k ∈ Z}
Similarly, we can choose 1, 2 as the representatives for [1], [2], respectively, and obtain the left cosets:
[1] + H = {1 + 3k | k ∈ Z} = {3k + 1 | k ∈ Z}
[2] + H = {2 + 3k | k ∈ Z} = {3k + 2 | k ∈ Z}
We can continue this process to find all the left cosets. In general, there are three left cosets of H in Z, given by:
H = {3k | k ∈ Z}
[1] + H = {3k + 1 | k ∈ Z}
[2] + H = {3k + 2 | k ∈ Z}
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If one of the pedestrian deaths is randomly selected, find the probability that the driver was not intoxicated. Please enter a decimal to 4 places. .6083
Answers
Using it's concept, it is found that there is a 0.8606 probability that the driver was not intoxicated.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
Researching the problem on the internet, it is found that there are 62 + 76 + 254 + 598 = 990 deaths, of which 254 + 598 = 852 did not involve an intoxicated driver, hence the probability is given by:
p = 852/990 = 0.8606
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Find the exact value of tan A in simplest radical form.
Answers
Answer:
\(tan \: a \: = \frac{ \sqrt{60} }{30} \)
This is in simplest form.
what is the equation?
Answers
Answer:
cost = 1.35n
$33.75 for 25 songs
Step-by-step explanation:
Based on the numbers given, the cost is proportional to the number of songs downloaded. The constant of proportionality is the cost of one song: 1.35.
cost = 1.35n
For 25 songs, ...
cost = 1.35·25 = 33.75 . . . . dollars
__
The equation is ...
cost = 1.35n
What is the solution of the equation m - 8 = -14?
Answers
\(\large\bf\blue{ \diamond} \rm \: \: m \: - \: 8 \: = \: - 14 \\ \\ \large\bf\blue{ \diamond} \rm \: \: m \: = \: - 14 \: + \: 8 \\ \\ \large\bf\blue{ \diamond} \rm \: \: m \: = \: - 6\)
(You need to get rid of the -8 because you want the letter on its own, so to get rid of it you add 8 to both sides)
m= -14 + 8
m = -6
Answer: m=-6
An architect is designing a slanted ramp that connects to a loading dock. The vertical distance between the ground and the loading dock is 5 feet. The ramp meets the ground at a 15° angle. How far is the base of the ramp from the base of the loading dock?
1.34 feet
4.38 feet
5.84 feet
18.66 feet
Answers
Answer:
5.84 feet hope this help you!!
One morning it was -9 degrees in Ohio and -7 in Pennsylvania. Compare -9 and -7. Which state is warmer?
Answers
Answer:
pennsylvania because -9 is colder than -7
Step-by-step explanation:
give brainliest if right
Find f(3) for the
piece-wise function.
f(x) =
2x
HIN
X
+
if x < 1
if x ≥ 1
f(3) = [?]
Enter
![Find f(3) for thepiece-wise function.f(x) =2xHINX+if x < 1if x 1f(3) = [?]Enter](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/oza99K5Gc0kb3K7aINgH4Cp9bUtL0eNR.png)
Answers
The value of the piecewise function for f(3) is 4
How to evaluate the piece-wise function for f(3)From the question, we have the following parameters that can be used in our computation:
f(x) = 2x if x < 1
f(x) = 1/2x + 5/2 if x >= 1
The function f(3) implies that we make use of the function
f(x) = 1/2x + 5/2
This is because it is valid for x >= 1
substitute the known values in the above equation, so, we have the following representation
f(3) = 1/2 * 3 + 5/2
Evaluate
f(3) = 4
Hence, the piecewise function for f(3) is 4
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PLS HELP
Select the equation of the line in which the x-intercept is 2 and the y-intercept is 8.
y-8=-2(x-4)
y =1/2 (x-4)
y-8=x-0
y-8= -4(x-0)
Pls help me :)
Answers
Answer:
Last option
Step-by-step explanation:
7, 3, 5, 6, 4, 8,4,7, 8, 8
Mean__
Median__
Mode__
Range__
Answers
Answer:
Mean: 6
Median: 6.5
Mode: 8
Range: 5
Answer:
Mean: 6
Median: 6.5
Mode: 8
Range: 5
Step-by-step explanation:
50 = -1/3b + 20
What is b?
Answers
6. Quaker uses 14 of a barrel of chocolate chips to make each batch of their
Chewy marshmallow chocolate chip granola bars. In one day, the company uses
3 12 barrels of chocolate chips to make granola bars. How many batches
of granola bars did the company make in the day?
Answers
Answer:
4/5=.80
4/.80= 5
5*7= 35
You can make 35 granola bars with 4 cups of chocolate chips.
I hope this helps!
The number of batches of granola bars the company make in the day is 22.
What is the unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Given that, Quaker uses 14 of a barrel of chocolate chips to make each batch of their Chewy marshmallow chocolate chip granola bars.
Number of batches = Total barrels of chocolate chips/Number of a barrel of chocolate chips
= 312/14
= 22.28
≈ 22
Therefore, the number of batches of granola bars the company make in the day is 22.
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Parul attempted to solve an inequality but made one or more errors. Her work and the graph she drew are shown below. Negative 5 x minus 3. 5 greater-than 6. 5. Negative 5 x greater-than 10. X greater-than negative 50. A number line going from negative 110 to positive 10. A closed circle is at negative 50. Everything to the right of the circle is shaded. What errors did Parul make? Select three options. She added 3. 5 to both sides when she should have subtracted. She should have divided both sides by Negative 5 as her first step. She divided one side by -5 while multiplying the other side by -5. She did not change the > symbol to a < symbol. She used a closed circle instead of an open circle on the number line.
Answers
Error made by parul as solving inequality , she should divide with -5 instead of multiplying and she had to change inequality sine.
What is inequality equation?Inequality equation is the equation in which the two expressions are compared with greater than, less than or other inequality signs.
Inequality of a graph is represented with the greater then(<), less then(>) or with the other inequity signs. The inequality line on the graph is represented with the dotted lines.
The equation of inequality given as,
\(-5x-3.5>6.5-5x-3.5>6.5\)
To solve the above equation, isolate the term x. Add number 3.5 both side of the equation as,
\(-5x-3.5+3.5>6.5+3.5-5x-3.5+3.5>6.5+3.5\)
Solve it further as,
\(-5x>10-5x>10\)
Divide both the sides of the equation with number -5 as,
\(x<10x<10\)
The sign of inequality is changed, as we divide by negative number.
Thus, in final step solving inequality , Parul should divide with -5 instead of multiplying. Parul make one more error as she did not change inequality sine.
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ı need help on this math assıgnment please on rationals
Answers
According to the information, we can infer that A. 1: Real, Rational, Integer, Whole, Natural, B. 5.1: Real, Rational, C. √(-142): Non-real, D. \(\pi\) (Pi): Irrational, Real, E. 2/3: Rational, Real, F. ∛(-27): Non-real, G. 0.671: Real, Rational, H. 3√7: Irrational, Real, I. 0: Real, Rational, Integer, Whole, Natural, J. -√16: Real, Rational.
What is the correct classification for each number?A. 1: It is a real number because it can be plotted on the number line. It is rational because it can be expressed as a fraction (1/1). It is an integer, whole number, and natural number as well.B. 5.1: It is a real number and rational because it can be expressed as a terminating decimal (5.1 = 51/10).C. √(-142): It is a non-real number because the square root of a negative number is not defined in the real number system.D. π (Pi): It is an irrational number because it cannot be expressed as a finite or repeating decimal. It is a real number.E. 2/3: It is a rational number because it can be expressed as a fraction. It is a real number.F. ∛(-27): It is a non-real number because the cubic root of a negative number is not defined in the real number system.G. 0.671: It is a real number and rational because it can be expressed as a decimal.H. 3√7: It is an irrational number because the cube root of 7 cannot be expressed as a fraction or terminating decimal. It is a real number.I. 0: It is a real number and rational because it can be expressed as a fraction (0/1). It is an integer, whole number, and natural number as well.J. -√16: It is a real number and rational because the square root of 16 is 4.Learn more about numbers in: https://brainly.com/question/24908711
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For every $3.00 donated to a certain charity by Club A, $1.25 was donated by Club B. If the combined total amount donated to the charity by both clubs was $25,500.00, how much did Club A donate?
Answers
Answer:
D, $18,000.00
Step-by-step explanation:
Club A
$3 x is donated where x is the number of donations
Club B
$1.25x is donated where x is the number of donations
The total of donations is 25500.00
Add the donations times the dollar amount for Club A and Club B and you get the total amount donated
$3x +$1.25x = 25500.00
Combine like terms
4.25x = 25500.00
Divide by 4.25 on each side
4.25/4.25x = 25500.00/4.25
x =6000
There were 6000 donations
We want to find Club A donation amount
$3 x is the amount donated
3*6000 = 18000
Answer:
that guys smart
Step-by-step explanation:
the failure of beta cells to function can result in
Answers
The failure of beta cells to function can result in a condition called diabetes mellitus.
Beta cells are specialized cells located in the pancreas that produce and release insulin. A hormone responsible for regulating blood sugar levels. When beta cells fail to function properly, it can lead to two main types of diabetes:
1. Type 1 Diabetes: In this autoimmune disease, the immune system mistakenly attacks and destroys the beta cells in the pancreas, resulting in little to no insulin production.
Without sufficient insulin, glucose (sugar) cannot enter the body's cells for energy, leading to high blood sugar levels.
2. Type 2 Diabetes: This form of diabetes is characterized by insulin resistance, where the body's cells become less responsive to the effects of insulin.
Over time, the beta cells may also fail to produce enough insulin to compensate for the increased demand. Type 2 diabetes is often associated with factors such as obesity, sedentary lifestyle, and genetic predisposition.
The failure of beta cells to function properly disrupts the normal regulation of blood sugar, leading to elevated glucose levels and potential complications associated with diabetes.
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We are asked to model the progression of an epidemic for a population of 5 million. Contact tracing at the beginning of an outbreak shows that each infected person is on average infectious for 7 days and causes on average 4.5 new infections.
(a) Find the parameter ẞ for an SIR model when the time unit is one day.
(b) How many infections can we expect before the epidemic peaks?
(c) Give an approximate value of how many people will have avoided an infection by the end of the outbreak.
(d) Early into the outbreak infected people start to self isolate. Their time of being infectious in the community reduces to 3 day on average. How will you change B in B. your model to account for this new situation? Give a reason for your choice of
(e) What is Ro when self isolation is observed?
(f) How many people will be infected before the epidemic peaks?
(g) How many people will have escaped an infection by the end of the epidemic when self isolation is observed.
Answers
(a) The parameter ẞ in an SIR (Susceptible-Infectious-Recovered) model represents the average number of new infections caused by each infectious individual per unit time.
In this case, it is given that each infected person causes on average 4.5 new infections. Therefore, the value of ẞ is 4.5.
(b) To estimate the number of infections before the epidemic peaks, we need to consider the basic reproductive number, Ro, which represents the average number of secondary infections caused by a single infectious individual in a completely susceptible population. Ro can be calculated as the product of the infectious period (1/γ) and the transmission rate (ẞ). Since the average infectious period is 7 days, we have 1/γ = 7, and from part (a), ẞ = 4.5. Therefore, Ro = 7 * 4.5 = 31.5.
(c) To estimate the number of people who will have avoided infection by the end of the outbreak, we need to consider the concept of herd immunity. Herd immunity occurs when a significant portion of the population becomes immune to the disease, either through vaccination or prior infection, which reduces the transmission potential. The threshold for herd immunity is typically estimated to be around 1 - 1/Ro. In this case, 1 - 1/31.5 is an approximate value of the proportion of the population that will have avoided infection by the end of the outbreak.
(d) To account for the reduced infectious period due to self-isolation (3 days on average), we need to update the parameter ẞ. Since ẞ represents the average number of new infections caused by each infectious individual per unit time, we can divide the original value of ẞ by the average infectious period to account for the reduced time. Therefore, the updated value of ẞ would be 4.5 / 7 = 0.643.
(e) Ro, the basic reproductive number, represents the average number of secondary infections caused by a single infectious individual in a completely susceptible population. When self-isolation is observed and the infectious period is reduced to 3 days, we can update the value of Ro by multiplying the transmission rate (ẞ) by the infectious period (1/γ). In this case, ẞ = 0.643 and 1/γ = 1/3, so Ro = 0.643 * 3 = 1.929.
(f) To estimate the number of people infected before the epidemic peaks, we need to consider the total number of susceptible individuals (S) in the population and the concept of epidemic peak. The number of infections at the epidemic peak depends on various factors such as the initial conditions, the transmission rate, and the duration of the epidemic. Without further information, it is challenging to provide an exact estimate.
(g) The number of people who will have escaped an infection by the end of the epidemic, considering self-isolation, depends on the proportion of the population that remains susceptible after the epidemic. This can be estimated using the herd immunity threshold mentioned in part (c). Subtracting the estimated proportion from 1 and multiplying it by the population size (5 million) would give an approximate value of the number of people who have escaped infection.
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HELP WILL MARK BRAINLIST AND 5 STARS
Answers
Answer:
10 ft
Step-by-step explanation:
5 1/6 + 4 5/6 = 10
5 + 4 = 9
1/6 + 5/6 = 6/6 = 1
9 + 1 = 10
Answer:
10 feet
Step-by-step explanation:
We are trying to find Madison's height plus Jade's height...
Turn the fractions into improper fractions
So,
5 1/6 = 31/6
4 5/6 = 29/6
31/6 + 29/6 = 10 feet
or
5+4= 10 and 1/6+5/6 = 1
so the answer is 10 feet
PLEASE RATE!! I hope this helps!!!
If you have any questions comment below
work out the height of a triangular crosse section with the volume of 35cm
Answers
The answer is 2.5 cm.
Sorry if I am incorrect
The vertices of triangle EFG are E(-3, 2), F(-3, 0), and G(0, 0). The
triangle will be reflected over the x-axis. What will be the vertices of the image triangle?
A. E'(-2, -3), F'(0, 3), G'(0, 0)
B. E'(-3, -2), F'(-3, 0), G'(0, 0)
C. E'(3, 2), F'(3, 0), G'(0, 0)
D. E'(2,3), F'(0,3), G'(0, 0)
Answers
Answer:
B. E'(-3, -2), F'(-3, 0), G'(0, 0)
Step-by-step explanation:
When a point (x, y) is reflected over the x-axis the new coordinates will be
(x', y') where x'x = x and y' = -y
In other words, the transformation is
(x, y) ⇒ ((x, -y)
Point E is (-3, 2) . When transformed e' becomes (-3, -2)
The only choice where E' is (-3, -2) is choice B
You can test the others if you wish
Answer:
B. E'(-3, -2), F'(-3, 0), G'(0, 0)
Find the median of the following data set.
0.48, 0.66, 1.02, 0.82, 0.7, 0.94
Answers
Answer:
0.76
Step-by-step explanation:
0.48, 0.66, 1.02, 0.82, 0.7, 0.94
Organize the numbers from least to greatest.
0.48, 0.66, 0.7, 0.82, 0.94, 1.02
Then find the middle (Median is the middle).
0.48, 0.66, 0.7, |?| 0.82, 0.94, 1.02
Take the two numbers closest to the middle. Add them.
0.7 + 0.82
= 1.52
Divide that with 2.
= 0.76
Answer:
0.76
Step-by-step explanation:
What does 1.022 represent in the expression?
Answers
Because b > 1, the correct response in this situation would be: "1.022 is the growth factor for the GDP since 1950, and the GDP increases by a factor of 1.022 every year."
In this instance, we're assuming that we can use the following function to simulate the US GDP, or gross domestic product, in dollars:
\(GDP = 11(1.0220)^{t}\)
We can also see that the exponential model formula given by: governs this formula.
\(GDP = 11(1.0220)^{t\)
Where a denotes the starting sum, b the model's growth/decay rate, and t is the number of years since 1950.
The value of b in this instance is provided by:
b = 1.022
And when we calculated r as the growth rate, we obtained:
1.022 = 1 + r
r = 1.022 - 1
r = 0.022
Because b > 1, the correct response in this situation would be: "1.022 is the growth factor for the GDP since 1950, and the GDP increases by a factor of 1.022 every year."
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HELP!!! Use the properties of exponents to simplify the expression:
Answers
I NEED HELP PLEASE FAST
50 points
Answers
The values of x in each equation are;
1) 128
2) 1500
How do you form an equation?Forming an equation involves expressing a mathematical relationship or statement using mathematical symbols and symbols of equality. The goal is to represent a real-life situation, a mathematical problem, or a hypothesis in a clear and concise way that can be easily analyzed and solved.
We have that;
1) let the number be x
85/100 * x = 108.8
x = 108.8 * 100/85
= 128
2) Let the number of the kettle corn be x;
6/10 * 2500 = x
x = 1500
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Which one of the following is a function?
O4x - 2y² = 9
O4x² - 2y² = 9
O4x - 2y = 9
Answers
2^5.3^8.5.7.11^1. 13 and 2^6.3^2.11^6 13.17^14 Print Multiple Choice A. 5.7. 13-17^14 B. 2^5. 3^2. 11^3
C. 2^6.3^8.5.7.11^2.13 - 17^14 D. 2.3.5-7. 11. 13. 17
Answers
The answer is: C. 2^6.3^8.5.7.11^2.13 - 17^14 . The question is asking us to multiply two numbers: 2^5.3^8.5.7.11^1.13 and 2^6.3^2.11^6.13.17^14.
To multiply these numbers, we simply multiply the common bases (2, 3, 11, and 13) and add their exponents.
2^5 * 2^6 = 2^(5+6) = 2^11
3^8 * 3^2 = 3^(8+2) = 3^10
5 * 7 = 35
11^1 * 11^6 = 11^(1+6) = 11^7
13 * 13 = 169
17^14
Therefore, the answer is 2^11.3^10.35.11^7.169.17^14.
Simplifying, we get 2^11 * 3^10 * 5 * 7 * 11^7 * 13 * 17^14.
Option C is the closest answer, but it has an error in the exponent of 11. The correct answer is:
C. 2^11.3^10.5.7.11^7.13.17^14.
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what proofs should i use for all these steps?
Answers
Answer:
1, 2, 5, 12, 13
Step-by-step explanation:
∠1 = 90 is given, which is a right angle
∠3 = 90 as well because ∠1 and ∠3 are vertically opposite
∠3 = ∠8, because ∠1 and ∠8 are same side exterior angles, which are the same
Therefore ∠3 must be congruent to ∠8
Number of factors of 10 in 10²
Answers
Answer:
24
Step-by-step explanation:
give me brainliest pls
please help you will get brainliest!
Answers
Question 8 is 104
The link above is a scam don’t open it
An experiment can be assumed to have internal validity if Group of answer choices all variables other than the independent variable are kept constant. there is a strong manipulation of the independent variable. confounding variables are present. the dependent variable is valid.
Answers
An experiment can be assumed to have internal validity if all variables other than the independent variable are kept constant. This means that any factors that could potentially influence the dependent variable are controlled or eliminated.
By doing so, researchers can attribute any changes in the dependent variable to the manipulation of the independent variable, thus establishing a cause-and-effect relationship.
Internal validity refers to the extent to which an experiment accurately measures the causal relationship between the independent variable and the dependent variable, without the influence of confounding variables or other extraneous factors. It ensures that any observed changes in the dependent variable can be confidently attributed to the manipulation of the independent variable.
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