Answer:
Step-by-step explanation:
BRO what FACTOR????????????????????????///////////////////////
there is one agent that sells tickets to the movie theater. customers arrive at the ticket outlet at the rate of 10 per hour. if on average a customer waits in line for 6 minutes, what is the expected number of customesr in the queue (aka as average
Answer:
there should be 1 customer waiting in line at the ticket outlet.
Step-by-step explanation:
To calculate the expected number of customers in the queue, we can use the following formula:
Expected number of customers = Arrival rate * Average waiting time
In this case, the arrival rate is 10 customers per hour and the average waiting time is 6 minutes. Converting the waiting time to hours, we get:
Expected number of customers = 10 customers/hour * (6 minutes / 60 minutes/hour) = 1 customer
So the expected number of customers in the queue is 1. This means that on average, there should be 1 customer waiting in line at the ticket outlet.
determine if the following is a olap, classification, or regression model. dollar general sends out a $5 off coupon to its email subscribers. what percentage of customers between 20 and 30 years of age who lived within 5 miles of the store used the coupon?
Classification model
What is Classification model?
A subset of supervised machine learning is classification models. A categorization model takes in some input and produces an output that categorises the input. For instance, after reading an email, a model may binary identify it as spam or not.
This is a classification model. This is a categorization model because we are categorising people here according to their age and location.
A categorization model takes in some input and produces an output that categorises the input.
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15 points please help!,
There are some nickles, dimes, and quarters in a large piggy bank. For every 2 nickles there are 3 dimes. For every 2 dimes there are 5 quarters. There are 500 coins total.
1. How many nickles, dimes, and quarters are in the piggy bank? Explain.
2.How much are the coins worth?
The number of nickels is 173.
The number of dimes is 258.
The number of quarters is 69.
The coins are worth $51.7.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
For every 2 nickles, there are 3 dimes.
For every 2 dimes, there are 5 quarters.
This means,
Let,
Nickles = N
Dimes = D
Quarters = Q
2N = 3D
N = 3D/2
2D = 5Q
Q = 2D/5
Now,
N + D + Q = 500
3D/2 + D + 2D/5 = 500
15D + 10D + 4D = 500 x 10
29D = 5000
D = 5000/29
D = 173
Now,
N = 3 x 172 / 2
N = 3 x 86
N = 258
Q = 2 x 172 / 5
Q = 69
Now,
Total coins = 500
173 + 258 + 69 = 500
Now,
20 nickels = $1
10 dimes = $1
4 quarters = $1
So,
173 nickels = $1 x 173 / 20 = $8.65
258 dimes = $1 x 258 / 10 = $25.8
69 quarters = $1 x 69 / 4 = $17.25
The total worth.
= $8.65 + $25.8 + $17.25
= $51.7
Thus,
The number of nickels is 173.
The number of dimes is 258.
The number of quarters is 69.
The coins are worth $51.7.
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[tex]12-7\sqrt{x-5} =4[/tex] How would I solve this?
1. Move 12 to the right side.
[tex]-7\sqrt{x-5}=-8[/tex]2. Divide both sides by -7.
[tex]\frac{-7\sqrt{x-5} }{-7} =\frac{-8}{-7}[/tex]3. Simplify.
[tex]\sqrt{x-5}=\frac{8}{7}[/tex]4. Square both sides.
[tex]x-5=\frac{64}{49}[/tex]5. Solve [tex]x-5=\frac{64}{49}[/tex]
[tex]x=\frac{309}{49}[/tex]Hence, our solution.
_______________________
Hope this helps!
can sombody show work for this question "select the graph that correctly repesents the cost ,y, in dollars,to buy x grapefruit that cost 1.50 each
Answer:
y = 1.50x
the graph is shown below
Step-by-step explanation:
We are told that y is equal to the total cost of the amount of grapefruit purchased. The amount of grapefruit is represented by x. The price of $1.50 would be our rate or slope for the graph.
With this information, we can create the expression:
y = 1.50x
To find the graph you need, either type it in a graphing calculator, or put in your choice of "x" values to find different coordinate that would be on the graph.
For example:
y = 1.50(2)
y = 3
Coordinate 1 would be (2,3)
y = 1.50(0)
y = 0
Coordinate 2 would be (0,0)
With these two coordinates you can draw a line and match your graph with the right one you need for the answer.
Cual es el valor de la incógnita ¨x¨ en la ecuación 5(x+2)= 3(x+3)-1 ?
Answer: x= -1
Step-by-step explanation:
5(x+2)= 3(x+3)-1
5x + 10 = 3x + 9 -1
5x + 10 = 3x + 8
2x = -2
x= -1
5. Find the Point that divides line segment AB two-thirds of the way from A to B. - A(-3,5) B(3,-1)
Answer:
The answer is B(3, -1)
Step-by-step explanation:
I did this before.
Which of the following functions is represented in the graph?
cosine graph with points at 0 comma 3, pi comma negative 5, and 2 times pi comma 3
f(x) = 4cos(2x) + 3
f(x) = 8cos(2x) + 3
f(x) = 4cos(x) − 1
f(x) = 8cos(x) − 1
The function represented in graph is f(x) = 4cos(x) - 1. We can find it by putting given points in following options and checking whether it is matching to graph or not (hit and trial method)
What are trigonometric functions?
6 trigonometric functions are Sine, Cosine, Tangent, Cotangent, Secant, Cosecant .
Cosine ranges from (-1 to 1) for x.
Given points are 0, pi, and 2pi
For 0 , cos(0)= 1
For pi, cos(pi) = -1
For 2pi, cos(2pi) = 1
In f(x) = 4cos(x)-1
For x = 0,
f(0)=4cos(0)-1
3 = 3 i.e. correct.
For x = pi
f(pi) = 4cos(pi)-1
-5 = -5 i.e. correct
also correct for 2pi.
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how large a sample is needed in exercise 9.2 if we wish to be 96% confident that our sample mean will be within 10 hours of the true mean?
A sample of at least 68 bulbs is needed to be 96% confident that our sample mean will be within 10 hours of the true mean.
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
[tex]\alpha = \frac{1-0.96}{2} =0.02[/tex]
Now, we have to find z in the Z table as such z has a p value of [tex]1-\alpha[/tex] .
So it is z with a p value of 1-0.02 = 0.98, so z= 2.055
Now, find the margin M as such
[tex]M = Z*\frac{\sigma }{\sqrt{n} }[/tex]
In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:
[tex]\sigma = 40 , M = 10\\\\M = Z*\frac{\sigma}{\sqrt{n} } \\\\10 = 2.055*\frac{40}{\sqrt{n} } \\\\\sqrt{n} = 8.22\\\\n= 67.6[/tex]
Hence , a sample of at least 68 bulbs is needed to be 96% confident that our sample mean will be within 10 hours of the true mean.
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Which of the following equations has the sum of its roots as 3?
A. 2x2-3x+6=0
B. -x2+3x-3=0
C. 3x2-3x+3=0
D. x2+5x+6=0
-x2+3x-3=0 is the equation that has the sum of its roots as 3.
What is meant by sum of roots?A quadratic equation's roots are equal to the second term's coefficient negated, divided by the leading coefficient. The constant term (the third term), divided by the leading coefficient, is equivalent to the product of the roots of a quadratic equation.
Write general formula for the sum of roots.Sum of roots= -b/a
Sum of root is defined as:
Sum of root = -b/a
Consider option B -x^2+3x-3
a=-1 , b=3
Sum of root= - 3/(-1)=3
So B is the correct option of the following question.
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Which of the following is INCORRECT regarding a $100,000 20-year level term policy?
A. The policy premiums will remain level for 20 years
B. If the insured dies before the policy expired, the beneficiary will receive $100,000
C. The policy will expire at the end of the 20-year period
D. At the end of 20 years, the policy's cash value will equal $100,000
D. At the end of 20 years, the policy's cash value will equal $100,000 is INCORRECT regarding a $100,000 20-year level term policy.
A $100,000 20-year level term policy is a type of life insurance policy that provides a fixed amount of coverage for a set period of time. The premiums for this policy will remain level for the entire 20 years and, if the insured dies during that time, the beneficiary will receive the full $100,000. However, the policy will expire at the end of the 20-year period and the cash value will not equal the $100,000. As a result, it is untrue to say that $100,000 will be the policy's cash value after 20 years.
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I will mark right answer brainy thing
Answer: D
Step-by-step explanation:
Answer: D
Step-by-step explanation:
We are trying to find out how this situation leads to 30 miles for d.
We know he has 14 miles to the gas station, and he has gone an unknown amount in 2 hours, t.
30=Xt+14
Solving for X: 30=X(2)+14
X=8
Five More Than One Third Of A Number Is Negative 2 What Is The Number?
Answer:
n = -21
Step-by-step explanation:
Five More Than One Third Of A Number Is Negative 2 What Is The Number?
1/3n + 5 = -2
subtract 5 from both sides:
1/3n + 5 - 5 = -2 - 5
1/3n = -7
multiply both sides by 3:
3(1/3n) = 3(-7)
n = -21
I’m having issues with natural logs and logs, and this problem is on my pre-call homework. Can anyone help me out?
2^x+7 = 3
Answer:
Step-by-step explanation:
23
Answer:
Step-by-step explanation:
2^x + 7 = 3
2^x = -4 this cannot be solved
Maybe you meant
2^(x+7) = 3
LOG both sides to get
(x+7) LOG 2 = LOG 3
x+7 = log3/log2 subtract 7 from both sides to get
x = - 5.415
The equation and table show the cost, y, of different sports programs as a function of the number of classes x
Based on the provided table and equation when the class size is 1, gymnastics is less expensive, and when the class size is 3 or 4, ice skating is less expensive.
Given that y denotes the price and x denotes the number of classes, the gymnastics programmed is completed by the table, whereas the ice skating program is concluded by the equation y = 18x + 20.
Find the cost of the ice skating programmed for classes 1, 2, 3, and 4 as the table already lists the price for each specified number of gymnastics courses.
For 1 class, substitute x = 1 into y = 18x + 20:
y = 18(1) + 20
y = $38
For 2 class, substitute x = 2 into y = 18x + 20:
y = 18(2) + 20
y = $56
For 3 class, substitute x = 3 into y = 18x + 20:
y = 18(3) + 20
y = $74
For 4 class, substitute x = 4 into the equation y = 18x + 20:
y = 18(4) + 20
y = $92
We may infer from the foregoing that gymnastics is less expensive when the number of lessons is 1. When there are three or four courses, ice skating is less expensive.
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How do you solve it?
Lorena is the administrator of a store selling shoes for women and 12 different models arrive this summer.
If you want to place 4 pairs of shoes per shelf in the store, how many ways can you organize them?
A) 28
B)495
C)11880
D)20736
E) 20
There are 144 ways to place 4 pairs of shoes per shelf in the store.
What is a permutation?
The term permutation refers to a mathematical calculation of the number of ways a particular set can be arranged. Put simply, a permutation is a word that describes the number of ways things can be ordered or arranged. With permutations, the order of the arrangement matters.
This question can be solved using basic logic . One can also solve this by using permutations.
Since 12 different models arrive and 4 pairs of shoes should be placed per shelf , the answer can be sort by
4!×3! = [ 4×3×2×1] × [3×2×1] = 24×6 = 144.
( Because 4 pairs of shoes can be interchanged among themselves , therefore 4! , and 12/4=3 , so the 12 pair of shoes can be organised amongst 3 shelves , and hence 3!)
Therefore , none of the options is correct. The correct answer is 144 ways.
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chris discovered that the centers of the faces of a regular icosahedron are also the vertices of another regular polyhedron. how many edges does the other regular polyhedron have?
From the given information in question, we can sat that, The regular polyhedron have 30 edges.
What is regular polyhedron ?A polygon that is based on the solid in the three dimensions is known as a polyhedron. It has flat faces, straight edges and corners. A polyhedron is something like a cube, prism, or pyramid. Cones, spheres, and cylinders do not have polygonal sides, hence they are not polyhedra. Polyhedron is also the name of the polyhedron's plural form. They are classified as prisms, pyramids, and regular polyhedra. Polyhedra include, for instance, cubes (regular polyhedrons), square prisms, triangular prisms, square pyramids, and square pyramids. Consider the diagram below displaying different sorts of polyhedra.
chris discovered that the centers of the faces of a regular icosahedron are also the vertices of another regular polyhedron and he regular polyhedron have 30 edges.
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In a company, 85% of the workers are men. If 405 people work for the company who aren't men, how many workers are there in all? Use pencil and paper. Show two different ways that you can solve this problem.
Answer:
2700
Step-by-step explanation:
1st method:
let x be the number of all workers in the company
then, the number of female workers will be x-0.85x = 0.15x
0.15x = 405
x = 405/0.15 = 2700
2nd method
we know that the 405 people who aren't men make 15% (100%-85%) of the whole number of workers, by using proportions:
15% - 405
100% - X
X = (100% * 405 )/15% = 2700
PLEASE HELP ME ASAP
Answer:
Step-by-step explanation:
4/14
Divided both by 2
2/7
Can you tell me the
Measure of
Answer:
please tell us what you need help with
Step-by-step explanation:
you did not include a number
Answer: what
Step-by-step explanation:
What is the graph of this compound inequality?
Answer:
The second one
Step-by-step explanation:
The first graphic would be correct if the connector was "AND" instead of "OR"
"AND" --> Both conditions must ALWAYS be fulfilled
"OR" ---> It's only necessary that one of the conditions is fulfilled
A company that manufactures golf balls produces a new type of ball that is supposed to travel significantly farther than the company’s previous golf ball. To determine this, 40 new-style golf balls and 40 original-style golf balls are randomly selected from the company’s production line on a specific day. A golf pro takes the balls to the driving range and hits the 40 new-style golf balls first and then the 40 original-style golf balls. The distance each ball travels is recorded. At the end of the session, the mean distance traveled for the new type of golf ball was found to be significantly greater than the mean distance for the original-style golf ball.
Which of the following is a valid conclusion?
Inferences can be made about all the golf balls produced on that day, and the conclusion can be made that new-style golf balls travel farther than the original-style of golf ball for this golf pro.
Inferences can be made about all the golf balls produced on that day; however, a conclusion cannot be made that new-style golf balls travel farther than the original type of golf ball for this golf pro.
Inferences cannot be made about all the golf balls produced on that day, and a conclusion cannot be made that new-style golf balls travel farther than the original type of golf ball for this golf pro.
Inferences cannot be made about all the golf balls produced on that day; however, the conclusion can be made that new-style golf balls travel farther than the original type of golf ball for this golf pro.
answer is B got it right
A valid conclusion is that;
Inferences can be made about all the golf balls produced on that day, and the conclusion can be made that new-style golf balls travel farther than the original-style of golf ball for this golf pro.
How to find the inference from the sample?An inference is defined as a conclusion that is reached based on certain pieces of evidence
In this sample research, we can see that randomization and replication conditions are met. This s because the balls are randomly selected and as such, the distance of the new ball can be compared to the distances of the original ball.
Therefore, a valid conclusion is written as;
Inferences can be made about all the golf balls produced on that day, and the conclusion can be made that new-style golf balls travel farther than the original-style of golf ball for this golf pro.
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why do you think a compass needle always points north? (write your initial ideas. it is ok if you are unsure about them.)
The compass needle always points north because it is magnetic north pole.
Earth has magnetic field due to magnetic elements present in Earth's core in molten form. They are assumed to be in the form of giant bar to ease the calculations concerning magnetic field and polarity. The assumptions are geographic south pole harbours magnetic north pole and vice versa for the opposite pole.
So, we know that like poles attract each other and unlike poles repel each other. The north end of magnetic needle will point towards the magnetic south pole which is geographic north pole. Thus, we see compass needle directed to North pole.
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Norma and Vincent, the boy she was babysitting, were playing basketball together. Her score was 19 points, and his score was 17 points. Norma wanted to make the game more fair, so she called a time-out and modified the rules a bit. Norma explained that, for the rest of the game, she would get 2 points per basket, and Vincent would get 3 points per basket. Then they played a bit longer. After the time-out, they both made the same number of baskets and ended up with a tied score. How many points did each person have at the end? How many baskets did each person make after the time out?
Norma and Vincent each scored __by making ___baskets after the time-out.
They both make 3 baskets. The number of points Norma and vincent have after first time out are 6 points and 9 points respectively
What is Simultaneous equation?Simultaneous equations are two or more algebraic equations that share variables e.g. x and y . They are called simultaneous equations because the equations are solved at the same time.
If the number of basket is x, and the total point is y, thus
for Norma, the total point = 19+2x=y equation 1
for vincent, the total point = 16+3x= y equation 2
subtract equation 1 from 2
16-19+3x-2x = 0
-3+x = 0
x= 3
substitute 3 for x in equation 1
19+2(3)= y
25= y
y = 25
therefore they both made 3 basket after the first time out and Norma make extra 6 points and Vincent made extra 9 points
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Can someone help me with this problem.
The value of x in the first question is 11 and the value of y is 3.
The value of x in the second question is 4 and the value of y is 4.
The value of x in the third question is -5 23/26 and the value of y is -1/13
What are the solutions of the equations?2x + y = 25 equation 1
2x - 3y = 13 equation 2
The first step is to subtract equation 2 from equation 1:
-4y = -12
Divide both sides of the equation by -4
y = -12 / -4
y = 3
Substitute for y in equation 1:
2x + 3 = 25
2x = 25 - 3
2x = 22
x = 22 / 2
x = 11
-3x + 4y = -18 equation 1
x = -2y - 4
x + 2y = -4 equation 2
Multiply equation 2 by 2
2x + 4y = -8 equation 3
Subtract equation 3 from equation 2:
-5x = -20
Divide both sides of the equation by -5
x = -20 / -5
x = 4
Substitute for x in equation 2:
4 + 2y = -4
4 + 4 = 2y
8 = 2y
y = 8/2
y = 4
-2x + 3y = -15 equation 1
3x + 2y = -23 equation 2
Multiply equation 1 by 3 and equation 2 by 2
-6x + 9y = -45 equation 3
6x + 4y = -46 equation 4
Add equation 3 and equation4 together
13y = -1
y = -1/13
Substitute for y in equation 1:
-2x + 3(-1/13) = -15
-2x -3/13 = -15
-2x = -15 + 3/13
-2x = 11 10/13
x = 11 10/13 ÷ -2
x = 153/13 x -1/2
x = -153/26
x =-5 23/26
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How do you evaluate log8 32?
A 3/5
B 5/3
B. 5/3 is the evaluation of [tex]log_{8} 32[/tex] using the base conversion method.
using the base conversion - [tex]log_{a} p= \frac{log_{b} p}{log_{b} a}[/tex]
convert the base 8 into the base 2 algorithm
[tex]\frac{log_{2} 32}{log_{2} 8}[/tex]
since 32=[tex]2^{5}[/tex]
then, [tex]log_{2}(32)=5[/tex]
similarly, since [tex]8=2^{3}[/tex]
then, [tex]log_{2} (8)=3[/tex]
this makes our expression 5/3.
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Answer:
5/3
Step-by-step explanation:
The change of base formula says logb b a = [logc c a] / [logc c b].
To evaluate log8 32, you need to use the following equation: log8 32 = x, where x is the unknown value.
This can be rewritten as 8^x = 32.
Solving for x gives x = 5/3.
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Original TV cost: $700
Current TV cost: $500
Find the percent of decrease
round to the nearest whole percent
Answer: 29%
Step-by-step explanation:
To find the percent of decrease, you need to first calculate the difference between the original cost and the current cost of the TV. You can do this by subtracting the current cost from the original cost: $700 - $500 = $200.
Next, divide the difference by the original cost and multiply by 100% to express the result as a percentage: ($200 / $700) * 100% = 28.57%.
Rounding this result to the nearest whole percent, we get that the percent of decrease is 29%.
Rounded to the nearest whole percent, the answer is 29%.
Which equation could be represented by the number line?
Answer:
B
Step-by-step explanation:
veterinarians often use nonsteroidal anti-inflammatory drugs (nsaids) to treat lameness in horses. a group of veterinary researchers wanted to find out how widespread the practice was in the united states. they obtained a list of all veterinarians treating large animals, including horses. they sent questionnaires to all the veterinarians on the list. such a survey is called a census. the response rate was 40%. which statement is correct?
All veterinarians that responded to the questionnaire were included in the sample.
Which of the subsequent claims is true?All veterinarians who responded to the survey made up the sample.the total number of veterinarians in the US who treat horses and other large animals.Non-steroidal anti-inflammatory medicines are frequently prescribed by veterinarians to treat lameness in horses.Researchers in the field of veterinary medicine were interested in learning how prevalent the practise was in the country.They were given a list of all vets who cared for horses and other large animals.All the veterinarians on the list received questionnaires.A census is the name given to such a survey.Complete Question : Veterinarians often use non-steroidal anti-inflammatory drugs to treat lameness in horses. A group of veterinary researchers wanted to find out how widespread the practice was in the United States. They obtained a list of all veterinarians treating large animals, including horses. They sent questionnaires to all the veterinarians on the list. Such a survey is called a census. The response rate was 40%. Which of the following statement is correct?
a. The sample consisted of all veterinarians on the list and therefore equaled the target population.
b. The sample consisted of all veterinarians who returned the questionnaire.
c. The sample consisted of all veterinarians who treat horses with NSAIDs.
d. None of the choices are correct.
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consider a circle whose equation is x^2+y^2-2x-8=0. Which statements are true? select three options
The tree statements of the circle are
1) The radius of the circle is 3 units.
2) The center of the circle lies on x-axis.
3) The radius of this circle is the same as the radius of the circle whose equation is x² + y² = 9.
What is center of a circle?
A circle's center is the point from which all of the distances to the other points on the circle are equal. The radius of the circle is the measurement at issue.
Given equation of circle is
x² + y² - 2x - 8 =0
x² - 2x + 1 - 1 + y² - 8 =0
(x - 1)² - 1 + y² - 8 =0
(x - 1)² + y² - 9 =0
(x - 1)² + y² = 3²
Compare the equation above equation with (x - h)² + (y - k)² = r²:
h = 1, k=0, r=0
The radius of the circle is 3 units. The center of the circle is (1,0) which lies on the x-axis.
Rewrite the equation of circle x² + y² = 9:
x² + y² = 3²
The radius of the circle is 3 units:
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