In Exercises 8-9, write a linear function f with the given values.
8. f(1)=3,f(3)=4
9. f(6)=9,f(-5)=0
Answers
Answer:
yo add me on intagram Its_yo-Boy_Jonathan65
Step-by-step explanation:
Related Questions
What determines the pitch of a sound? PLEASE HELP MEH!!
the decibel level
the frequency of vibrations
the amplitude
the medium
Answers
Answer:
Since pitch is such a close proxy for frequency, it is almost entirely determined by how quickly the sound wave is making the air vibrate and has almost nothing to do with the intensity, or amplitude, of the wave. That is, "high" pitch means very rapid oscillation, and "low" pitch corresponds to slower oscillation.
Step-by-step explanation:
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Nora is flying a kite, holding her hands a distance of 3 feet above the ground and
letting all the kite's string play out. She measures the angle of elevation from her
hand to the kite to be 23. If the string from the kite to her hand is 135 feet long, how
many feet is the kite above the ground? Round your answer to the nearest tenth of a
foot if necessary.
Answers
Answer:
\(55.7 feet\)
Step-by-step explanation:
\(h=\sin{\left(23\right)\times135}\)
\(\sin{23}\approx0.39\)
\(h=0.39\times135=52.65\left(feet\right)\\)
\(H=h+3\)
\(=52.65+3\)
\(=55.65\left(feet\right)\)
\(55.65\ feet\approx55.7\ feet\)
I hope this helps you
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MY NOTES ASK YOUR TEACHER You have completed 1000 simulation trials, and determined that the average profit per unit was $6.48 with a sample standard deviation of $1.91. What is the upper limit for a 89% confidence interval for the average profit per unit
Answers
The upper limit for an 89% confidence interval for the average profit per unit is $6.58.
To find the upper limit for an 89% confidence interval for the average profit per unit, you can use the following formula:
Upper limit = sample mean + (critical value x standard error)
The critical value can be found using a t-distribution table with n-1 degrees of freedom and a confidence level of 89%. Since you have 1000 simulation trials, your degrees of freedom will be 1000-1 = 999.
Using the t-distribution table or a calculator, the critical value for an 89% confidence level with 999 degrees of freedom is approximately 1.645.
The standard error can be calculated as the sample standard deviation divided by the square root of the sample size. So:
standard error = sample standard deviation / sqrt(sample size)
standard error = 1.91 / sqrt(1000)
standard error = 0.060
Plugging in the values we have:
Upper limit = 6.48 + (1.645 x 0.060)
Upper limit = 6.5787
Therefore, the upper limit for an 89% confidence interval for the average profit per unit is $6.58.
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amazon claims that if you are a prime member, 85% of your packages will arrive within two business days. you have decided that you want to know if this claim is true. you take a simple random sample of 25 students at your school and 19 of the students claim that their packages arrived within two business days of ordering. a. what is the population proportion? what is the sample proportion? please use correct symbols in your answer.
Answers
Population proportion (claim): p = 0.85
Sample proportion: \(\hat p\)= 19/25
What is proportion?
In statistics, proportion typically refers to the proportion or percentage of individuals or items in a population that have a specific characteristic or belong to a certain category.
In this scenario, the population proportion refers to the proportion of all Prime members' packages that arrive within two business days. The claim made by Amazon is that this population proportion is 85%.
Let's denote the population proportion as p.
a. The population proportion:
p = 0.85
The sample proportion, on the other hand, refers to the proportion of packages that arrived within two business days among the 25 students in the random sample. We can calculate the sample proportion using the number of students who claimed their packages arrived within two business days.
Let's denote the sample proportion as \(\hat p\) (pronounced "p-hat").
Given:
Number of students in the sample (n) = 25
Number of students who claimed their packages arrived within two business days (x) = 19
b. The sample proportion:
\(\hat p\) = x / n
\(\hat p\) = 19 / 25
Therefore, the sample proportion is 19/25.
To summarize:
Population proportion (claim): p = 0.85
Sample proportion: \(\hat p\) = 19/25
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What constant acceleration is required to increase the speed of a car from 26 mi/h to 51 mi/h in 3 seconds? (Round your answer to two decimal places.) ft/s2
Answers
Answer: 12.22 ft/sec²
Step-by-step explanation:
An increase from 26 to 51 is an increase of 51 - 26 = 25 mi/hr
We need to do this in 3 seconds --> 25 mi/hr ÷ 3 sec
Note the following conversion: 1 mile = 5280 ft
\(\dfrac{25\ miles}{hr}\times \dfrac{1}{3\ sec}\times \dfrac{5280\ ft}{1\ mile}\times \dfrac{1\ hr}{60\ min}\times \dfrac{1\ min}{60\ sec} \\\\\\=\dfrac{5280(25)\ ft}{3(60)(60)\ sec^2}\\\\\\=\large\boxed{12.22\ ft\slash sec^2}\)
The constant acceleration that is required to increase the speed of a car from 26 mi/h to 51 mi/h in 3 seconds is 12.22 ft/s².
What is acceleration?Acceleration can be defined as the rate of change of the velocity of an object with respect to time.
\(\rm Acceleration=\dfrac{Final\ velocity- Initial\ Velocity}{Time}\)
As the velocity that is given to us is 51 miles/hour and 26 miles/hour, therefore, we first need to convert the units of the velocity in order to get the acceleration in ft/s².
\(\rm Final\ velocity= 51\ mi/hr = \dfrac{51\times 5280}{3600} = 74.8\ m\s^2\)
\(\rm Initial\ velocity= 26\ mi/hr = \dfrac{26\times 5280}{3600} = 38.134\ m\s^2\)
Now, acceleration is written as the ratio of the difference between the velocity and the time needed to increase or decrease the velocity of the object.
\(\rm Acceleration=\dfrac{Final\ velocity- Initial\ Velocity}{Time}\)
Substituting the values we will get,
\(\rm Acceleration = \dfrac{74.8-38.134}{3} = 12.22\ \ ft/s^2\)
Hence, the constant acceleration that is required to increase the speed of a car from 26 mi/h to 51 mi/h in 3 seconds is 12.22 ft/s².
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HELP ASAP!!!!!!!! Select the correct answer from each drop-down menu.
The graph of the function y= x^2(x^2 - 6x + 9) has zeros of (0 and -3, -3 and 3, 0 and 3, -3 and 3)
complex zeros.
so the function has (no, two, three, four)
distinct real zeros and (no, two, three, four) complex zeros.
Answers
Answer: The answer is
1. 0 and 3
2. Two
3. No
Step-by-step explanation:
I took the test and it's right
The graph of the function has zeros of 0 and 3, two distinct real zeros, and no complex zeros.
What is a function?It is defined as a special type of relationship and they have a predefined domain and range according to the function.
We have a function:
\(\rm y= x^2(x^2 - 6x + 9)\)
We can write it as a:
\(\rm y= x^2(x^2 - 2(3)(x)+ 3^2)\)
\(\rm y = x^2(x-3)^2\)
To find the zeros equate to the function with the zero.
y = 0
\(\rm x^2(x-3)^2=0\)
First, take \(\rm x^2= 0\) we get:
x = 0
Now
\(\rm (x-3)^2=0\)
x - 3 = 0
x = 3
Thus, the graph of the function has zeros of 0 and 3, two distinct real zeros, and no complex zeros.
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Suppose we regress Y on X2. Which of the following
would lead to a biased coefficient for X2?
Group of answer choices
A-There is a variable X3 that is correlated with y
but not with X2 .
B-There is a
Answers
A- There is a variable X3 that is correlated with Y but not with X2.
If there is a variable X3 that is correlated with Y but not with X2, including X3 in the regression model can introduce bias to the coefficient for X2. This is because X3 is a confounding variable that affects both Y and X2. By omitting X3 from the regression model, the estimated coefficient for X2 will absorb the influence of X3, leading to a biased coefficient for X2.
In order to obtain an unbiased coefficient for X2, it is important to include all relevant variables that are correlated with both Y and X2 in the regression model.
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A spinner has 4 equal-sized sections labeled A, B, C, and D. It is spSpinning a 4-section spinner twice can be described as which type of event? It is an independent event. The outcome of the second spin is unaffected by the outcome of the first spin. It is a dependent event. The outcome of the second spin is affected by the outcome of the first spin. It is a simple event. Spinning a spinner is a single event. It is an impossible event. A spinner cannot land in two sections.un and a fair coin is tossed. What is the probability of spinning "C” and flipping "heads”?
Answers
The probability of spinning "C" and flipping "heads" is 0.125 or 12.5%.
Assuming the spinner is fair and has 4 equal-sized sections, the probability of spinning "C" is 1/4 or 0.25. And the coin is fair, the probability of flipping "heads" is 1/2 or 0.5.
The probability of spinning "C" and flipping "heads" is calculated as,
P = (Probability of spinning "C") × (Probability of flipping "heads")
P = 0.25 × 0.5
P = 0.125
Therefore, the probability is 12.5%.
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Write an equation in point-slope form of the line that passes through the point (-9, 1) and has a slope of
2/3
Answers
Answer:
y-1=2/3(x+9)
Step-by-step explanation:
Sorry cant really explain well but I am positive this is the right answer.
Josiah plants vegetable seeds in rows. Each row has the same number of seeds in it. He plants more than one row of seeds. What could be the total number of seeds he plants?
Answers
The total number of seeds that Josiah would plant would be = nR×S
How to determine the total number of seeds that Josiah will plant?To determine the total number of seeds that Josiah will plant will be to add the seeds in the total number of rooms he planted.
Let each row be represented as = nR
Where n represents the number of rows planted by him.
Let the seed be represented as = S
The total number of seeds he planted = nR×S
Therefore, the total number of seeds that was planted Josiah would be = nR×S.
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Sertista A (60) maiks): Answer ALL questions in this section: On. 81 . A pistoncylinder device initialiy contains 1.777 m^2
of superheated steam at 050MPa and Soo"c. The piston is then compressed to 0.3 m^4
such that the temperature remains constant. (o) Use the appropriate property table to determine mass of steam in the device. [3 Marks] (b) Sketch a pressure versus specific volume graph during the compression process. [2. Marics] (c) Drtermine the work done during the compression process. [6 Marks] (d) Oetermine the pressure of the superheated steam after compression. (e) Suggest three factors that will make the process irreversible.
Answers
The mass of steam in the device is 3.011 kg. The pressure of the superheated steam after compression is 0.5 MPa. This is an irreversible process.
(a) Use the appropriate property table to determine the mass of steam in the device.
Given, Piston cylinder device initially contains = 1.777 m³
Pressure = 0.50 MPa
Temperature = 500C
Using the steam table to find the mass of the steam inside the piston cylinder device by referring to the steam tables.
Using steam tables, the values are: Entropy = 6.8018 kJ/kgK
Enthalpy = 3194.7 kJ/kg
Mass of steam in device = volume / specific volume = 1.777 m³ / 0.5901 m³/kg = 3.011 kg
Therefore, the mass of steam in the device is 3.011 kg.
(b) Sketch a pressure versus specific volume graph during the compression process.
(c) Determine the work done during the compression process.The formula to calculate work done during the compression process is given by,
W = P(V1 - V2)
Work done during the compression process = 0.5[1.777-0.3]×106 N/m2 = 782100 J
Hence, the work done during the compression process is 782100 J.(d) Determine the pressure of the superheated steam after compression.The pressure of the superheated steam after compression is 0.5 MPa.
(e) Suggest three factors that will make the process irreversible. The three factors that will make the process irreversible are: Friction: Friction produces entropy which is a measure of energy loss. In a piston-cylinder device, friction is caused by moving parts such as bearings, seals, and sliding pistons.Heat transfer through finite temperature difference: Whenever heat transfer occurs between two systems at different temperatures, the transfer is irreversible. This is because of entropy creation due to the temperature gradient. In a piston-cylinder device, this can occur through contact with hotter or colder surfaces.Unrestrained expansion: Whenever a gas expands into a vacuum, there is no work done, and entropy is generated. This is an irreversible process.
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A cylinder has a height of 2.8 feet and a radius of 5.1 feet. What is its volume? Use 3.14 and round your answer to the nearest hundredth. (will mark brainliest)
Answers
Work Shown:
\(V = \pi*r^2*h\\\\V \approx 3.14*(5.1)^2*2.8\\\\V \approx 228.67992\\\\V \approx 228.68\\\\\)
The volume is approximately 228.68 cubic feet.
The result is approximate because pi = 3.14 is approximate.
Answer:
Step-by-step explanation:
Which theorem has two sides and a non-included angle?
Answers
Angle-Angle-Side (AAS) Theorem has two sides and a non-included angle.
What is Angle-Angle-Side (AAS) Theorem?The triangles are congruent if two angles and a non-included side in one triangle are congruent with two angles and the corresponding non-included side in another triangle, according to the Angle-Angle-Side (AAS) Congruence Theorem.The side-angle-side (SAS) theorem is the first such theorem. The triangles are congruent if two sides and the included angle of one triangle are equivalent to two sides and the included angle of another triangle.When two angles and an unincluded side of one triangle are equal to two angles and the corresponding unincluded side of the other triangle, two triangles are said to be congruent (AAS=AAS).To learn more about Angle-Angle-Side (AAS) Theorem refer to:
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What is the distance between -9 and 42 on the number line?
Answers
Answer:
51 is the answer to the question
Answer:
51
Step-by-step explanation:
-9 is 9 jumps from zero
42 is 42 jumps from zero
9 + 42 = 51
it would take -9 51 jumps to get to 42
Distance Conversions The United States, Liberia, and Myanmar are the only three countries that have not adopted the metric system as its primary system of measurement. There have been reports and legislation calling for a conversion to the metric system since the 1960s. The U.S. Department of Commerce's National Institute of Standards and Technology wrote that "industrial and commercial productivity, mathematics and science education, and the competitiveness of American products and services in world markets, will be enhanced by completing the change to the metric system of units" (1997, 2). From a student's perspective, it would be better if the U.S. converted to the metric system. Because scientists globally use the metric system, most of U.S. scientists do, as well. Until the U.S. "metrifies", students in the United States will need to continue to use and understand both measurement systems. 6. Refer to Appendix 2.1. Show your calculations for the following questions. 33 | Lab 2: Map Interpretation a. 2 miles contain how many feet? b. 1 mile contains how many inches? c. 10 kilometers contain how many meters? d. 1 kilometer contains how many centimeters? e. How many miles are in a "5k" (five-kilometer) race? f. A marathon is 26.2 miles. How many kilometers is this?
Answers
Answer:
a. 10560
b. 63360 in.
c. 10000 m
d. 100000 cm
e. 3.107 miles
f. 42.165 km
Step-by-step explanation:
a. 2 miles contain how many feet?
1 mile = 5280 ft
2 miles × 5280 ft / mile = 10560 ft
b. 1 mile contains how many inches?
1 ft = 12 in
1 mile × 5280 ft/mile × 12 in./ft = 63360 in.
c. 10 kilometers contain how many meters?
1 km = 1000 m
10 km × 1000 m/km = 10000 m
d. 1 kilometer contains how many centimeters?
1 km × 1000 m/km × 100 cm/m = 100000 cm
e. How many miles are in a "5k" (five-kilometer) race?
1 in. = 2.54 cm
5 km =
= 5 km × 1000 m/km × 100 cm/m × 1 in. / (2.54 cm) × 1 ft / (12 in.) × 1 mile / (5280 ft)
= 3.107 miles
f. A marathon is 26.2 miles. How many kilometers is this?
26.2 miles =
26.2 miles × 5280 ft / mile × 0.3048 m/ft × km / (1000 m) = 42.165 km
(11x+2)° (8x+7)° find value of x
Answers
Answer:
Rate = 56 gal / 7 min
= 8 gal / min
Step-by-step explanation:
Hope this helps leave a heart ad maybe brailiest
Identify the equation that describes the line in slope-intercept form. slope = 2 , point (- 1, 2) is on the line
Answers
Answer:
\(y=2x+4\)
Step-by-step explanation:
Given a slope and a point on the line, you can use point slope form and then rearrage your terms into slope-intercept formSLOPE-INTERCEPT FORM: \(y=mx+b\), where "m" is your slope and "b" is your y-interceptPOINT-SLOPE FORM: \((y-y_{1}) =m(x-x_{1})\), where \(y_{1}\) represents the y-coordinate of your point, \(x_{1}\) represents the x-coordinate of your point, and \(m\) represents the slope\((y-2)= 2(x-(-1))\)
Point-slope form\((y-2)=2(x+1)\)
\(y-2=2x+2\)
\(y=2x+4\)
Slope-intercept formWILL GIVE BRAINLIEST
I NEED TO FIND X AND Y
Answers
Answer:
x = 3
y = 2
Step-by-step explanation:
Equations
7x - 7y = 7
-4x - 7y = - 26 Multiply both sides of the equation by - 1
-1(-4x - 7y = - 26)
4x + 7y = 26
Solution
Add the two equations together
7x - 7y = 7
4x + 7y = 26
11x = 33 Divide by 11
11x/11 = 33/11
x = 3
4x + 7y= 26 Use this equation to solve for y. Use x = 3
4*3 + 7y = 26 Combine the left
12 + 7y = 26 Subtract 12 from both sides
12 - 12 + 7y = 26 - 12 Combine
7y = 14 Divide by 7
7y/7 = 14/7
y = 2
Gravitational Force: Mass of the planet Mars is 6.39x1023 kg, and its radius is 3376.2 km. An astronaut weighs 950 N on the surface of Earth. He wish to go to Mars, how much will be his weight on the surface of Mars
Answers
Using the formula for gravitational force on Mars, determine the weight of the astronaut on the surface of Mars, which is approximately 358.6 N.
To calculate the weight of the astronaut on the surface of Mars, we can use the formula for gravitational force:
\(F = (G * m_1 * m_2) / r^2\)
Where:
F is the gravitational force,
G is the gravitational constant (approximately \(6.67430 * 10^{-11} N m^2/kg^2\)),
\(m_1\) is the mass of the astronaut,
\(m_2\) is the mass of Mars,
and r is the radius of Mars.
Given:Mass of Mars (\(m_2\)) = \(6.39 * 10^{23} kg\)
Radius of Mars (r) = 3376.2 km = 3,376,200 meters
Weight on Earth = 950 N
Equate the gravitational force on Earth to the gravitational force on Mars:950 N = (G * mass of the astronaut * mass of Earth) / radius of Earth^2
Solving for the mass of the astronaut, we find:mass of the astronaut = (950 N * radius of Mars^2 * mass of Mars) / (radius of Earth^2 * mass of Earth)
Using the formula for gravitational force:\(F = (G * m_1 * m_2) / r^2\)
We need to solve for the mass of the astronaut (m1).First, let's convert the radius of Mars from kilometers to meters:
r = 3,376,200 meters
Next, we can rearrange the formula to solve for m1:
\(m_1 = (F * r^2) / (G * m_{2})\)
Now, substitute the values and calculate:\(m_1 = (950 N * (3,376,200 m)^2) / ((6.67430 * 10^{-11} N m^2/kg^2) * (6.39 * 10^{23 }kg))\\m_1 = 78.656 kg\)
Finally, to find the weight of the astronaut on the surface of Mars, we can use the formula:Weight on Mars =\((G * m_1 * m_2) / r^2\)
Substitute the values:Weight on Mars = \((6.67430 * 10^{-11}N m^2/kg^2) * 78.656 kg * \frac{ (6.39 * 10^{23} kg)}{(3,376,200 m)^2}\)
Weight on Mars ≈ 358.6 N
Therefore, the weight of the astronaut on the surface of Mars would be approximately 358.6 N.
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if 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures ...
Answers
Answer:
The third angle would measure 80 degrees
Step-by-step explanation
The equal measure of each angle in a triangle adds up to 180 degrees. The first two angles of 70 and 30 equal 100. Thus, the third angle will measure out to be 80 degrees. Have a great day!
Melanie has d dimes and q quarters. She has no less than $4 worth of coins altogether. Write this situation as an inequality.
Answers
Answer:
4>d+q
Step-by-step explanation:
Answer: 0.10d+0.25q≥4
Step-by-step explanation:
"no less than 4" means 4 or more/ at least 4.
Which triangle is similar to ΔABC if sin(A) = 1/4, cos(A) = √15/4, and tan(A) = 1/√15?
A.
B.
C.
D.
Answers
Answer:
D is the similar triangle
Step-by-step explanation:
A quick solution to this problem is using the hypotenuse.
You know that sin(A) is 1/4 and sin is opposite / hypotenuse, so the hypotenuse should be a multiple of 4 in order for the fraction to reduce to 1/4. (it might not be, but I usually do this to see if there's a quick solution)
Using this trick, you find that the only triangle with a hypotenuse that is a multiple of 4 is the last triangle. Now simply double check the other trig. functions to check whether it truly is the same.
To check each trig function, you must first determine the corresponding angle to angle A. Again, for simplicities sake, let's use 1/4 as a determiner for the angle. The only combination of sides divided by hypotenuse that simplifies to 1/4 is 6/24. Therefore 6 must be opposite to the angle, since it's sin(a) = 1/4 and sin is opposite / hypotenuse. So the angle is X.
Now check for both cos and tan
Cos(x) = 6(15)^0.5 / 24 = (15)^0.5 / 4 CHECKS OUT
Tan(x) = 6 / 6(15)^0.5 = 1 / (15)^0.5 CHECKS OUT
Since everything checks out, then answer D is truly correct.
Analysis of variance is used to test for equality of several population? means. standard deviations. proportions. variances.
Answers
Analysis of variance is used to test for equality of several population means.
ANOVA could also be utilized to predict the dependent variable of even more with around 2 categories and seems to be compared to the general population extra influential throughout this circumstance.
Throughout addition, ANOVA variants typically include covariates that encourage somebody to manipulate numerically for confounding factors as well as to recognize interactions wherein the factor progressives the implications of some other factor.
ANOVA (Analysis of Variance) was developed by Ronald Fisher.
ANOVA means the Analysis of Variance, is collection of statistical models & linked estimation processes, like variation among & between groups. It is used in analyzing differences among various means.
Therefore, Analysis of variance is used to test for equality of several population means.
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Answer the following: (10 points) a. Find the area to the right of z= -1 for the standard normal distribution. b. First year college graduates are known to have normally distributed annual salaries wi
Answers
The area to the right of z = -1 for the standard normal distribution is approximately 0.8413.
a. To find the area to the right of z = -1 for the standard normal distribution, we need to calculate the cumulative probability using the standard normal distribution table or a statistical calculator.
From the standard normal distribution table, the area to the left of z = -1 is 0.1587. Since we want the area to the right of z = -1, we subtract the left area from 1:
Area to the right of z = -1 = 1 - 0.1587 = 0.8413
Therefore, the area to the right of z = -1 for the standard normal distribution is approximately 0.8413.
b. To answer this question, we would need additional information about the mean and standard deviation of the annual salaries for first-year college graduates. Without this information, we cannot calculate specific probabilities or make any statistical inferences.
If we are provided with the mean (μ) and standard deviation (σ) of the annual salaries for first-year college graduates, we could use the properties of the normal distribution to calculate probabilities or make statistical conclusions. Please provide the necessary information, and I would be happy to assist you further.
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Question
If the cost of filing a floor is $1.75 per square foot, how much will it cost to file a rectangular floor that is 9
foot by 12 feet?
(Area Length x Width)
Answers
Answer:
\(3x - 6 = 9\)
solve forconsider two events, a and b. the probability of a is 0.5, the probability of b is 0.3, and the probability of a union b is 0.3. what is the probability of a intersect b is 0.2. What is the probability of A union B?
Answers
A has a probability of 0.3, B has a probability of 0.5, and A intersects B has a probability of 0.3. The probability of A ∪ B is 0.5.
We have been given that
P (A) = 0.3
P (B) = 0.5
P ( A∩B) = 0.3
Now, we have the formula of
P (A∪B) = P (A) + P (B) - P ( A∩B)
= 0.3 + 0.5 - 0.3
= 0.5
Probability denotes the possibility of commodity passing. It's a fine branch that deals with the circumstance of a arbitrary event. The value ranges from zero to one. Probability has been introduced in mathematics to prognosticate the liability of circumstances being.
Probability is defined as the degree to which commodity is likely to do. This is the abecedarian probability proposition, which is also used in probability distribution, in which you'll learn about the possible results of a arbitrary trial. To determine the liability of a particular event being, we must first determine the total number of indispensable possibilities.
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Correct question:
Consider two events A and B. The probability of A is 0.3, the probability of B is 0.5, and the probability of A intersect B is 0.3. What is the probability of A union B?
given x=8x=8, μ=22.3μ=22.3, and σ=3.9σ=3.9, indicate on the curve where the given x value would be.
Answers
Here, x value of 8 would be located on the left tail of the normal distribution curve, 3.67 standard deviations below the mean (μ=22.3) and with a very low value in terms of percentile or probability (0.015%).
To indicate where the given x value of 8 would be on the curve, we need to plot it on a normal distribution curve with a mean (μ) of 22.3 and a standard deviation (σ) of 3.9.
First, we need to convert the given x value of 8 into a z-score by using the formula: z = (x - μ) / σ
Plugging in the values, we get: z = (8 - 22.3) / 3.9 = -3.67
This means that the value of 8 is located 3.67 standard deviations below the mean.
Next, we need to find this point on the normal distribution curve. We can use a z-score table or a graphing calculator to find the corresponding area under the curve.
If we use a z-score table, we can look up the area to the left of -3.67, which is 0.00015. This means that only 0.015% of the data falls below this point.
To plot this on the curve, we can locate the mean (μ) and mark it as the center of the curve. Then, we can count 3.67 standard deviations to the left of the mean and mark this as the point where the value of 8 would be located.
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The quotient of a number x and 7 is greater than 5
write as an inequality
Answers
Answer:
x+7>5 there it is pay more attention in class cause that's cake
Which inequality is true?
A. 5π > 15
B. π+9<12
C. 6/2m > 1
D. 47-2<10
Answers
Answer: A
Step-by-step explanation:
\(\pi > 3 \implies 5\pi > 15\)
Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Answers
Answer:
Everything seems correct, I'm assuming you wanted confirmation