The scatter plot can provide insights into whether the variables are positively or negatively related, if there is a linear or non-linear relationship, or if there are any outliers or clusters present in the data.
By creating a scatter plot of the length and width variables, you would be exploring the relationship between these two variables. A scatter plot is a graphical representation that displays the values of two continuous variables as individual data points. It allows you to visualize the pattern or trend between the two variables and identify any potential correlation or association between them. The scatter plot can provide insights into whether the variables are positively or negatively related, if there is a linear or non-linear relationship, or if there are any outliers or clusters present in the data.
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URGENT!!!!!!! Which scatterplot suggests a linear function between X and Y?
A) I only
B) II only
C) I and II only
D) I, II and III only
Any blank on a line is a blank of the equation
Answer:
Yeah
Step-by-step explanation:
but i can also do it in opposite
How do you solve for x in a logarithmic property?
The logarithmic form is written as logₐ(X)=b. It is a rearrangement of the exponential form, aᵇ=X.
What is Logarithmic Form?
The logarithmic form is written as logₐ(X)=b. It is generally the rearrangement of the exponential form, aᵇ=X. Any exponential equation can be written as a logarithm. The logarithmic form is mostly used to calculate an exponent of an equation. The logₐ(X)=b. is read as “log base a of X equals b“.
The logarithmic form is simply a rearrangement of an equation written in exponential form. The same numbers are used but they are written in a different order. The word log is written which implies that the logarithm function is being used.
Therefore, If the logarithmic form is logₐ(X)=b. then it is a rearranged as the exponential form as aᵇ=X.
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a spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. the spinner is spun several times, and the results are recorded below: spinner results color frequency red 10 blue 12 green 2 yellow 19 purple 12 if the spinner is spun 1000 more times, about how many times would you expect to land on purple? round your answer to the nearest whole number.
Based on the recorded results, purple appeared 12 times out of a total of 55 spins. If the spinner is spun 1000 more times, we can estimate that purple would appear approximately 218 times.
In the recorded results, the spinner was spun a total of 55 times, with purple appearing 12 times. To estimate the expected frequency of purple in 1000 additional spins, we can calculate the probability of landing on purple based on the recorded frequencies. The probability of landing on purple can be calculated by dividing the frequency of purple (12) by the total number of spins (55):
Probability of landing on purple = Frequency of purple / Total number of spins = 12 / 55
We can use this probability to estimate the expected frequency of purple in the additional 1000 spins:
Expected frequency of purple = Probability of landing on purple * Total number of additional spins
≈ (12 / 55) * 1000
≈ 218
Therefore, based on this estimation, we would expect purple to appear approximately 218 times if the spinner is spun 1000 more times.
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3y^2-16y-12 factor by grouping
Jill bought a used motorcycle from a seller online for $1,200. The seller will charge her $5 a day to store the motorcycle at his house until she is able to pick it up. You can use a function to describe the total amount of money Jill will owe the seller if she waits x days to pick up the motorcycle.
Answer:
Step-by-step explanation:
1200x5= it is 6000
Answer:
900=5x + 1200
Step-by-step explanation:
if we select 3 young women at random, what is the probability that their average height is shorter than / at most 63 inches (that is, they are at most 63 inches tall, on average)?
The probability that the average height of 3 young women is at most 63 inches is approximately 12.38%. Here option A is the correct answer.
To calculate the probability that the average height of 3 young women is at most 63 inches, we need to use the central limit theorem, which states that the distribution of the sample means of a sufficiently large sample from any population with a finite mean and variance will be approximately normally distributed.
Assuming the heights of young women follow a normal distribution, with a mean of μ and a standard deviation of σ, we can calculate the probability using the standard normal distribution table or a statistical software package.
First, we need to calculate the mean and standard deviation of the sample mean. The mean of the sample mean is equal to the population mean, μ, which we assume to be 65 inches. The standard deviation of the sample mean is equal to the population standard deviation divided by the square root of the sample size, which is 3 in this case. Assuming a standard deviation of 3 inches, the standard deviation of the sample mean is 3 / sqrt(3) = 1.73 inches.
Next, we need to calculate the z-score for a sample mean of 63 inches:
z = (63 - 65) / 1.73 = -1.16
Using the standard normal distribution table, we can find the probability that a z-score is less than or equal to -1.16. The probability is 0.1238, or approximately 12.38%.
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Complete question:
If we select 3 young women at random, what is the probability that their average height is shorter than / at most 63 inches (that is, they are at most 63 inches tall, on average)?
A - 12.38
B - 13.38
C - 15.48
D - 17.40
Sherry sells cosmetics from her part-time home-based business. She receives a straight commission of 21% from her supplier. At the year-end, she also receives a 7% bonus on sales exceeding her annual quota of $100,000. What will her gross annual earnings be for a year in which her average monthly sales are $11,000?
Sherry's gross annual earnings will be $4,550 for a year in which her average monthly sales are $11,000.
Sherry sells cosmetics from her part-time home-based business. She receives a straight commission of 21% from her supplier. At the year-end, she also receives a 7% bonus on sales exceeding her annual quota of $100,000. Her average monthly sales are $11,000. We are to find her gross annual earnings.
So, in order to find Sherry's gross annual earnings, we will first calculate her commission earned from her monthly sales which is 21% of her average monthly sales:21% of $11,000 = (21/100) × $11,000 = $2,310Let the total sales of Sherry be X.
Now, her sales for a year = 12 × $11,000 = $132,000If the sales exceed $100,000, the bonus of 7% is applicable only on the excess amount.Hence, the excess amount is = $132,000 - $100,000 = $32,000.So, the bonus earned by Sherry is 7% of $32,000 = (7/100) × $32,000 = $2,240Therefore, Sherry's gross annual earnings are the sum of her commission and bonus earned, i.e., $2,310 + $2,240 = $4,550.
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b) Solve the following system of equations using Elimination Method:
(2y - 1
-3
3x – y
2y = x - 2
Answer:
(2y - 1 -3 3x – y 2y = x - 2 answer is -3 or 56.309 or +3/2
Step-by-step explanation:
Here is an incomplete calculation of 534÷6. Write the missing numbers that would make the calculation complete
Answer:
89
Step-by-step explanation:
534 ÷ 6
53 / 6 = 8 remainder 5
Equation becomes 54 ÷ 6
54 / 6 = 9 remainder 0
Hence,
534 ÷ 6 = 89
Suppose the angle of inclination of the hill
is 10° and when the driver (who is going at a speed of 25 mph) sees the deer and slams on the breaks, he is 25 m away.
The coefficient of kinetic friction is still 0.4.
4. What is the magnitude of the acceleration the car undergoes? Express your answer in m/s2 and input the number
only.
5. Does the drive hit the deer?
A. Yes
B. No
The magnitude of the acceleration is approximately -0.267 m/s², and the car does not hit the deer.
To find the magnitude of acceleration, we need to consider the forces acting on the car. The gravitational force component parallel to the incline is given by \(\( F_g = m \cdot g \cdot \sin(10^\circ) \)\), where \(\( m \)\) is the mass of the car and \(\( g \)\) is the acceleration due to gravity. The frictional force opposing the motion is given by \(\( F_f = m \cdot g \cdot \cos(10^\circ) \cdot \mu_k \)\), where \(\( \mu_k \)\) is the coefficient of kinetic friction.
The net force acting on the car is the difference between the gravitational force and the frictional force: \(\( F_{\text{net}} = F_g - F_f \)\).
Using Newton's second law, \(\( F_{\text{net}} = m \cdot a \)\), where \(\( a \)\) is the acceleration. We can solve for \(\( a \)\) by rearranging the equation: \(\( a = \frac{F_{\text{net}}}{m} \)\).
Substituting the given values and calculating the magnitude of acceleration:
\(\[ a = \frac{m \cdot g \cdot \sin(10^\circ) - m \cdot g \cdot \cos(10^\circ) \cdot \mu_k}{m} \\\)
\(\quad = g \cdot (\sin(10^\circ) - \cos(10^\circ) \cdot \mu_k) \]\)
Now, let's calculate the value of the acceleration. We are given that the speed of the car is 25 mph, which is equivalent to \(\( 25 \times \frac{1609}{3600} \)\) m/s.
Using \(\( g = 9.8 \, \text{m/s}^2 \)\) and \(\( \mu_k = 0.4 \)\), we have:
\(\[ a = 9.8 \cdot (\sin(10^\circ) - \cos(10^\circ) \cdot 0.4) \approx -0.267 \, \text{m/s}^2 \]\)
The negative sign indicates that the acceleration is in the opposite direction of the car's motion.
To determine if the car hits the deer, we need to compare the stopping distance of the car to the distance to the deer. The stopping distance can be calculated using the equation: \(\( d = \frac{v^2}{2 \cdot a} \)\), where \(\( v \)\) is the initial velocity and \(\( a \)\) is the acceleration.
Substituting the given values, we have:
\(\[ d = \frac{(25 \times \frac{1609}{3600})^2}{2 \cdot (-0.267)} \approx 596 \, \text{m} \]\)
Since the stopping distance (596 m) is greater than the distance to the deer (25 m), the car does not hit the deer.
Therefore, the magnitude of acceleration is approximately \(\( -0.267 \, \text{m/s}^2 \)\) and the car does not hit the deer.
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Anyone know how to do??
Step-by-step explanation:
here it is
hope u get it
don't forget to change the signs when u trasfer the terms
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
Since those two angles are corresponding that means they are equal to each other so we write an equation like this...
\(7x+9=8x+2\)
Now we solve for x...
\(7x+9=8x+2\\9=x+2\\x=7\)
And that's it x will equal 7.
ASAP PLEASE !!!
Subtract g(x) from f(x)
\(f(x)=\sqrt{x+7\\} \\g(x)= log(x+2)\)
Answer:
sqrt(x+7) - log(x+2)
Step-by-step explanation:
f(x) = sqrt(x+7)
g(x) log(x+2)
f(x) - g(x) = sqrt(x+7) - log(x+2)
\(\boxed{\large{\bold{\textbf{\textsf{{\color{blue}{Answer}}}}}}:)}\)
\(f(x)=\sqrt{x+7} \\g(x)= log(x+2)\)
we have to subtract g(x)from f(x)
\(\sf{\sqrt{x+7}-log(x+2) }\)1. The graph shows the height of a plant after a certain amount of time measured in days. Do you think that there may be a proportional relationship between the number of days and the height of the plant? Explain your reasoning. The graph shows how much snow fell after a certain amount of time measured in hours. 2. Do you think that there may be a proportional relationship between the number of hours and the amount of snow that fell? Explain your reasoning.
Neither graph in this problem represents a proportional relationship, as they have different rates of change. Examples are as follows:
1. Different rates between days 0-10 and 30-40.
2. Different rates between hours 0 - 1 and 2 - 3.
What is a direct proportional relationship?A direct proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality k, as the rule below shows.
y = kx
Hence, a function will only be proportional if the rate of change is constant for all intervals.
For item 1, we have that:
Between days 0 and 10, the rate of change is of approximately 0.4 cm a day, as the height grows from 0 cm to 4 cm in 10 days.Between days 30 and 40, the rate of change is of approximately 0.8 cm a day, as the height grows 8 cm in 10 days.Hence it is not a proportional relationship, due to the different rates.
For item 2, we have that:
During the interval from hour 0 to hour 1, the function is not constant, meaning that snow fell.During the interval from hour 2 to hour 3, the function is not constant, meaning that snow did not fell and the rate of change is of 0.For the same reason as item 1, of the different rates, it does not represent a proportional relationship.
What is the missing information?The graphs are missing and are given by the image at the end of the answer.
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Simply.
\( \frac{ab - a}{a} = \)
\( \frac{2x + y}{y} = \)
I mainly forgot how to do it. Do I divide -ab to get it alone? How do I do it?
Answer:
Required Answer:-First go to first equation\({:}\longrightarrow\)\(\sf {\dfrac{ab-a}{a}}\)
Take common\({:}\longrightarrow\)\(\sf {\dfrac {{\bcancel {a }}(b-1)}{{\bcancel {a}}}}\)
\({:}\longrightarrow\)\({\underline{\boxed{\bf b-1)}}}\)
Please help!
You spin the spinner twice.
What is the probability of landing on a 3 and then landing on a 2?
Simplify your answer and write it as a fraction or whole number.
Answer: 1/9
Step-by-step explanation:
You have 3 possible options. The probablility of the spinner landing on 3 is 1/3. The probability of it landing on 2 is also 1/3. For them to happen together, you multiply them. 1/3 * 1/3 = 1/9.
The probability of landing on a 3 and then landing on a 2 is,
⇒ 1/9
What is mean by Probability?The term probability refers to the likelihood of an event occurring. Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one
Given that;
You spin the spinner twice.
Now, The probability of the spinner landing on 3 is,
⇒ 1/3.
And, The probability of it landing on 2 is,
⇒ 1/3.
Hence, The probability of landing on a 3 and then landing on a 2 is,
⇒ 1/3 × 1/3
⇒ 1/9.
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170,000,000 in scientific notation
Answer:
1.7×10^8
hope it helps.
Write the equation of the line in slope intercept form that has a slope of -4 and a
y-intercept of -8.
Answer:
y=-4x+-8
Step-by-step explanation:
Put me the brainliest please
91 is 82% of what number?
Answer:
110.97561
Step-by-step explanation:
82% of n = 91
82/100 × n = 91
41/50 × n = 91
n = 4550/41
4550/41 = 110.97561
Answer:
110.98
Step-by-step explanation:
82% of n = 91
82/100 × n = 91
41/50 × n = 91
n = 4550/41
4550/41 = 110.97561
round your answer and you will get 110.98.
Last week Sharon loaned a friend $3 from his wallet. This week Sharon loaned the friend another $18. In dollars, what is the change to Sharon's wallet balance?
Answer:
21
Step-by-step explanation:
Which situation can be represented by the expression 3 + (−7)?
A. A football team lost 3 yards on one play. The team gained 7 yards on the next play.
B. A football team gained 3 yards on one play. The team lost 7 yards on the next play.
C. A football team gained 3 yards on one play. The team gained 7 yards on the next play.
We get that statement (B) is the situation that is represented by the expression 3 + (−7).
We are given an expression:
3 + ( - 7 )
We need to identify the statement that represents the same expression:
For the statement, "A football team lost 3 yards on one play. The team gained 7 yards on the next play.", we get the expression as:
- 3 + 7
For the statement, "A football team gained 3 yards on one play. The team lost 7 yards on the next play.", we get the expression as:
3 + ( - 7 )
For the statement, "A football team gained 3 yards on one play. The team gained 7 yards on the next play.", we get the expression as:
3 + 7
Therefore, we get that statement (B) is the situation that is represented by the expression 3 + (−7).
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helppp asap Given:
Prove: ΔKVM ~ ΔBVG
Triangle KVM is similar to triangle BVG because angle M = angle G = 90° and angle V is common to both triangles.
What are similar triangles?Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio.
For two triangles to be similar, the corresponding angles must be congruent i.e equal.. Also the ratio of the corresponding sides of similar triangles are equal.
angle M and G are both 90° , this means they are equal.
angle KVM = BVG
therefore angle K = angle B
Since all the corresponding angles are equal, we can say triangle KVM is similar to triangle BVG
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Erica had $20 she spent on three gifts she spent 9 3/4 dollars on gift a and 4 1/2 dollars and gift b how much money did she have left for gift c
Answer:
$5.75
Step-by-step explanation:
20=9.75 + 4.5 + c
20-9.75-4.5=c
5.75=c
Please help meeeeee please
Consider the following model:
yhat =2.1+1.0x²
The prediction of y is yhat. What is the estimated marginal effect of x on y when x=1.3?
________
Using the following model and corresponding parameter estimates, predict the (approximate) value of y variable when x=2 :
lny=β₁+β₂x²+u
The parameter estimates are β₁=2 and β₂=1 [Parameter estimates are given in bold font]
a. 2
b. 403.4
c. 103,4
d. 6
The value of u is not provided, we cannot determine the exact value of y. None of the given options (a, b, c, d) can be chosen as the approximate value of y.
For the first question, you are given the model yhat = 2.1 + 1.0x^2 and you want to find the estimated marginal effect of x on y when x = 1.3. To find the estimated marginal effect, you need to take the derivative of yhat with respect to x. In this case, the derivative would be 2.0x.
Now, substitute x = 1.3 into the derivative:
2.0(1.3) = 2.6.
Therefore, the estimated marginal effect of x on y when x = 1.3 is 2.6.
For the second question, you are given the model \(lny = β₁ + β₂x^2 + u\), with parameter estimates
β₁ = 2 and
β₂ = 1.
To predict the value of y when x = 2, substitute the given values into the model:
\(lny = 2 + 1(2^2) + u\)
lny = 2 + 1(4) + u
lny = 2 + 4 + u
lny = 6 + u
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Y: 2y - 3(4y-3) = 9y + 28
Answer:
y = - 1
Step-by-step explanation:
Given
2y - 3(4y - 3) = 9y + 28 ← distribute and simplify left side
2y - 12y + 9 = 9y + 28
- 10y + 9 = 9y + 28 ( subtract 9y from both sides )
- 19y + 9 = 28 ( subtract 9 from both sides )
- 19y = 19 ( divide both sides by - 19 )
y = - 1
hey loves, can any of you lovely people help me with this question?
Answer:
(c) the supplements of congruent angles are congruent.
Step-by-step explanation:
Since JKL and JLK are respectively the supplements of angles 3 and 4, we can use the justification
(c) the supplements of congruent angles are congruent.
Answer:
The answer will be C
Step-by-step explanation:
It will not be HL theorem nor SAS postulate so that gives you with C and D. Now D is incorrect because those angles arent complementary
a sauce recipe calls for 4 pounds of ground beef and you want to halve it how many ounces of ground beef do you need?
If you want to halve the recipe, you will need 32 ounces of ground beef. We can find it by multiplying.
To determine the amount of ground beef needed when halving the recipe, we need to convert pounds to ounces. There are 16 ounces in 1 pound.
Given that the original recipe calls for 4 pounds of ground beef, we can calculate the amount needed when halving the recipe by dividing it by 2.
Amount needed when halving = 4 pounds / 2 = 2 pounds.
To convert 2 pounds to ounces, we multiply it by 16:
2 pounds * 16 ounces/pound = 32 ounces.
Therefore, when you halve the recipe, you will need 32 ounces of ground beef.
In conclusion, to make half of the original recipe that calls for 4 pounds of ground beef, you will need 32 ounces of ground beef.
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Select all equations that can be used to solve for 0. If you have time, can you please explain how you got the answer
Answer:
B and D are correct.
Step-by-step explanation:
First, we find the length of ALL the sides using the Pythagorean Theorem.
16² + b² = 20²
256 + b² = 400
b² = 144
\(\sqrt{144}\) = 12
Now, we know that sine is opp/hyp, cosine is adj/hyp, and tangent is opp/adj.
A is incorrect because that's supposed to be cos. B is correct because that is indeed cos. C is incorrect. D is correct. E and F are incorrect because it's supposed to be sin.
Don't know if any of that made sense. All you need to do is remember the difference between sine, cosine, and tangent.
Answer:
The answer is B and D.
Step-by-step explanation:
Length of ladder AC = 20 feet
Height of the highest point of the ladder from ground AB = 16 ft
By Pythagoras theorem,
AC² = BC² + AB²
BC² = AC² - AB²
BC = √(20)^2-(16)^2
= √400-256
= √144
= 12
Now, Sinθ = opposite side/hypotenuse = AB/AC
= 16/20
Cosθ = adjacent side/hypotenuse = BC/AC
= 12/20
Therefore, A and D are the correct options.
You're very welcome! ;)
Evaluate 2x-4 if x=5
The value of the expression at x = 5 will be 6.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the expression is 2x - 4. The solution for the expression is,
E = 2x - 4
E = ( 2x 5 - 4 )
E = 10 - 4
E = 6
Hence, the solution for the expression is 6.
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