The expected profit for this production is of:
$14,050.
How to obtain the expected profit?As stated in the problem, profit is obtained as the subtraction of the revenue by the cost.
The production will cost between $2,500 and $3,000, with an uniform distribution, hence the expected production cost is the mean of the two bounds, as follows:
Cost = 0.5 x (3000 + 2500) = $2,750.
The number of people that will attend the show each night is also uniformly distributed between 100 and 200, hence the expected nightly attendance is the mean of 100 and 200, as follows:
Attendance = 0.5 x (100 + 200) = 150.
Each ticket costs $8, and the production will run for 14 nights, hence the expected revenue is of:
Revenue = 150 x 8 x 14 = $16,800.
Then the expected profit is of:
Profit = Revenue - Cost = 16800 - 2750 = $14,050.
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Help i'll give you brainlyest
Answer:
can I see the third one, like can I see the full page because I can't see the rest
Use substitution to solve the system of equations. Show your work (30 Points!!!)
Using the substitution method, the values of x and y are 1 and 10 respectively
What is simultaneous equation?There are times when you come across two or more unknown quantities and two or more equations relating to them. These are called Simultaneous Equations.
The given equations are
4x + y = 14
y=8+2x
By substitution, put y=8+2x in equation 1
4x+8+2x=14
6x=14-8
6x=6
x=1
Recall that y=8+2(1)
y=8+2
Therefore the value of y=10
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The values are given as;
x = 1
y = 10
How to determine the valueFrom the information given, we have that;
4x + y = 14
y = 8 + 2x
Substitute the value of y in equation (1), we get;
4x + 8 + 2x = 14
collect the like terms
4x + 2x = 14 - 8
Add or subtract the like terms
6x = 6
Make 'x' the subject
x = 1
Substitute the value
y = 8 + 2x
y = 8 + 2(1)
expand the bracket
y = 8 + 2
Add the values
y = 10
Hence, the values are 1 and 10
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Which is the correct equation for a line that passes through the points (-2,7) and (2,-5)?
y=3x+5
y=1/3x+3
y= -3x-12
y= -3x+1
Answer:
y= -3x+1
Step-by-step explanation:
x1= -2 x2=2 y1=7 y2=-5
using the formula
(y-y1)/(x-x1)=(y2-y1)/(x2-x1)
(y-7)/(x-(-2))=(-5-7)/(2-(-2))
(y-7)/(x+2)=(-5-7)/(2+2)
(y-7)/(x+2)=(-12)/4
(y-7)/(x+2)=-3
cross multiply
y-7=-3(x+2)
y-7=-3x-6
y=-3x-6+7
y=-3x+1
8x−5y=−11 solve for y and x intercept
URGENT!!!! The area of a rectangular floor is 80 square feet. The length of the floor is 2 feet less than the width of the floor.
What is the width of the floor?
Drag the answers into the boxes to correctly complete the statements.
The equation Response area , where w is the width of the floor in feet, can be used to solve this problem. The width of the floor is Response area feet.
Answer:
Width of the floor = 10 feet
Step-by-step explanation:
Given that:
Area of rectangular floor = 80 square feet
Width of rectangular floor = w
Length of rectangular floor = w - 2
Now,
Area = Length * Width
80 = w(w-2)
\(80=w^2-2w\\w^2-2w-80=0\\\)
Factorizing the equation,
\(w^2+8w-10w-80=0\\w(w+8)-10(w+10)=0\\(w+8)(w-10)=0\)
Either,
w+8 = 0
w = -8
Or,
w-10 = 0
w=10
As width cannot be negative,
width = 10 feet
Hence,
Width of the floor = 10 feet
The ordered pair (2, 10) is a point on a direct variation equation. Write the direct variation equation.
Answer:
Y=KX so its 10=K2
Step-by-step explanation:
Plug in the Number OR K=y/x
one card is drawn from a pack of 52cards each of the 52 cards being equally likely to be drawn. what is the probability that the card drawn is a king?
The probability of drawing a king from a standard deck of 52 cards is 1/13.
In a standard deck of 52 playing cards, there are four kings: the king of hearts, the king of diamonds, the king of clubs, and the king of spades.
To find the probability of drawing a king, we need to determine the ratio of favorable outcomes (drawing a king) to the total number of possible outcomes (drawing any card from the deck).
The total number of possible outcomes is 52 because there are 52 cards in the deck.
The favorable outcomes, in this case, are the four kings.
Therefore, the probability of drawing a king is given by:
Probability = (Number of favorable outcomes) / (Number of possible outcomes)
= 4 / 52
= 1 / 13
Thus, the probability of drawing a king from a standard deck of 52 cards is 1/13.
This means that out of every 13 cards drawn, on average, one of them will be a king.
It is important to note that the probability of drawing a king remains the same regardless of any previous cards that have been drawn or any other factors.
Each draw is independent, and the probability of drawing a king is constant.
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Write the equation for a parabola that has x− intercepts (5,0) and (−6,0) and y− intercept (0,−1).
The equation for a parabola that has x-intercepts (5,0) and (6,0) and y-intercept (0,1) is: \(y =\) \(a(x + 0.5)^2 - 1\)
The equation of a parabola can be found by using the vertex form of a parabolic equation, which is given by:\(y = a(x - h)^2 + k\), where (h, k) is the vertex of the parabola. In this case, the x-intercepts (5, 0) and (-6, 0) can be used to find the value of h, which is the midpoint between the x-intercepts and is equal to (-6 + 5) / 2 = -0.5.
The y-intercept (0, -1) can be used to find the value of k. So, the equation is:\(y = a(x + 0.5)^2 - 1\), where a is a constant that can be determined by substituting the vertex coordinates (h, k) into the equation.
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Suppose that you have 9 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards with replacement. Round your answers to four decimal places. G1 = the first card drawn is green G2 = the second card drawn is green
a. P(G1 and G2) =
b. P(At least 1 green) =
c. P(G2|G1) =
d. Are G1 and G2 independent?
They are independent events
They are dependent events
G1 and G2 are independent events, meaning that the probability of the second card being green is not affected by the first card being green. The probability of both cards being green is 0.4609, the probability of at least one card being green is 0.9609 and the conditional probability of G2 given G1 is 0.6410.
When we have two events that are randomly drawn, we can calculate the probability of both occurring simultaneously using the formula P(A and B) = P(A) * P(B). In this case, the probability of the first card drawn being green (P(G1)) is 9/14, and the probability of the second card drawn being green (P(G2)) is also 9/14. Therefore, the probability of the first and second card both being green is P(G1 and G2) = (9/14) * (9/14) = 0.4609. The probability of at least one green card being drawn is 1 - P(no green cards) = 1 - (5/14) * (5/14) = 0.9609. The conditional probability of the second card being green, given that the first card was green, is P(G2 | G1) = 9/14. Since the probability of each card drawn is independent of the other, G1 and G2 are independent events.
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Which one is the one?
Answer:
yes because are slopes are the same
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a standard deviation of 83
minutes with a mean life of 541
minutes.
If the claim is true, in a sample of 160
batteries, what is the probability that the mean battery life would be greater than 553.9
minutes? Round your answer to four decimal places.
As a result, the probability that the average battery life exceeds 553.9 minutes is 0.0262 (or 2.62%). The answer, rounded to four decimal places, is 0.0262.
What is probability?Probability serves as an indicator of how likely an event is to occur. It is represented by a number between 0 and 1, with 0 representing an unlikely event and 1 representing an unavoidable event. Switching a fair coin and coin flips has a probability of 0.5 or 50% because there are two equally likely outcomes. (Heads or tails). Probability theory is a branch of mathematics that studies happenings rather than their properties. It is applied in many fields, including statistics, fund, science, and engineering.
The central limit theorem can be used to approximate the sample mean distribution as a normal distribution with a mean of the population mean and a standard deviation of the population standard deviation divided by the square root of the sample size.
The standard error of the mean (SE) is calculated as follows:
SE = σ/√n
Where n is the sample size and is the population standard deviation.
SE = 83/√160 = 6.575
Z = (X - μ) / SE
Where X represents the sample mean, is the population mean, and SE represents the standard error of the mean.
Z = (553.9 - 541) / 6.575 = 1.94
As a result, the probability that the average battery life exceeds 553.9 minutes is 0.0262 (or 2.62%). The answer, rounded to four decimal places, is 0.0262.
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Find (8.7×102)÷(4.26×103) by using a calculator. Give your answer in scientific notation and round to two decimal places.
Solve for x to make A||B
Answer: x = 50
Step-by-step explanation:
In the given image, the alternate interior angles are equal. Therefore, 80 + x = 180 - 50 (since straight angles measure 180 degrees). Simplifying this equation, we get 130 + x = 180, which gives us x = 50 degrees. Thus, A||B when x = 50 degrees.
can anyone help me find the answers please !!
Given rhombus QRST, find the
perimeter if QU = 3 and RU equals 4.
Q
R
T
U
X
S
The perimeter of the rhombus in this problem is given as follows:
19.8 units.
What is the perimeter of a polygon?The perimeter of a polygon is given by the sum of all the lengths of the outer edges of the figure, that is, we must find the length of all the edges of the polygon, and then add these lengths to obtain the perimeter.
The diagonal length can be obtained as follows:
QU = US = 3.RU = UT = 4.RU + UT = 7.
Applying the Pythagorean Theorem, the side length is obtained as follows:
x² + x² = 7²
2x² = 49
\(x = \sqrt{\frac{49}{2}}\)
x = 4.95.
Then the perimeter is given as follows:
P = 4 x 4.95
P = 19.8 units.
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c. How much longer does Sana spend in the bathroom than Ali ? Mother Showers, washes and dries hair, brushes teeth ¾ hour Father Showers, shaves, brushes teeth 50 minutes Ali Showers, brushes teeth 20 minutes Sana Takes a bath, brushes teeth ½ hour Grand father Showers, shaves 35 minutes Grand mother Takes a bath, brushes teeth 40 minutes
Answer:
Sana takes 10 minutes longer than Ali in bathroom
Step-by-step explanation:
Given:
Ali Showers, brushes teeth 20 minutes
Thus, Ali takes 20 minutes time in bathroom
Sana Takes a bath, brushes teeth ½ hour
1 hour has 60 minutes
1/2 hour has 60/2=30 minutes
Thus, Sana takes 30 minutes time in bathroom.
Time, taken more by sana than Ali = 30 minutes - 20 minutes = 10 minutes
.
Thus, Sana takes 10 minutes longer than Ali in bathroom.
convert the ratio 3:2 to a percentage
Answer:
150%
Step-by-step explanation:
1. Divide 3/2
2. Multiply by 100
ratio 3:2 in a percentage is 150%
how much should you invest each month in order to have $700,000 if your rate of return is 2.3% compounded monthly and you want to achieve your goal in 40 years
To achieve a goal of $700,000 in 40 years with a 2.3% monthly compounded rate of return, you should invest approximately $554.95 per month.
To determine the monthly investment required to reach a goal of $700,000 in 40 years with a rate of return of 2.3% compounded monthly, we can use the formula for calculating the future value of an investment.
The formula for future value (FV) of a monthly investment is given by:
\(FV = P \times [(1 + r)^n - 1] / r\)
Where:
P = monthly investment amount
r = monthly interest rate (2.3% = 0.023 divided by 12)
n = total number of compounding periods (40 years \(\times\) 12 months/year = 480 months)
We want the future value (FV) to be $700,000.
Substituting the given values into the formula, we can solve for the monthly investment amount (P):
\(700,000 = P \times [(1 + 0.023/12)^480 - 1] / (0.023/12)\)
Simplify the denominator:
(0.023/12) = 0.00191666667
Simplify the exponential term:
\((1 + 0.023/12)^{480} = (1.00191666667)^{480}\)
Subtract 1 from the exponential term:
\((1.00191666667)^{480 - 1\)
Multiply by the monthly investment amount (P):
\(P \times [(1.00191666667)^{480 - 1}]\)
Now, plugging in the simplified values, the equation becomes:
\(700,000 = P \times [(1.00191666667)^{480 - 1}] / 0.00191666667\)
Simplifying this equation will give us the required monthly investment amount to reach the goal of $700,000 in 40 years with a 2.3% monthly compounded rate of return.
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Three friends equally share 1/3 bag of popcorn, how much of a bag of popcorn will each friend get?
Answer:
\(\frac{1}{9}\) or 0.1 recurring
Step-by-step explanation:
\(\frac{1}{3}\) divided by 3
= \(\frac{1}{9}\)
A teaching hospital in South-West Part of Nigeria receives on the average 5 pregnant women with high blood pressure per week. What is the probability that on a particular week, the teaching hospital will receive:
1.) No high BP pregnant woman
Answer:
The probability that on a particular week, the hospital will receive on high BP pregnant woman is 0.0068
Step-by-step explanation:
We use the Exponential distribution,
Since we are given that on average, 5 pregnant women with high blood pressure come per week,
So, average = m = 5
Now, on average, 5 people come every week, so,
5 women per week,
so, we get 1 woman per (1/5)th week,
Hence, the mean is m = 1/5 for a woman arriving
and λ = 1/m = 5 = λ
we have to find the probability that it takes higher than a week for a high BP pregnant woman to arrive, i.e,
P(X>1) i.e. the probability that it takes more than a week for a high BP pregnant woman to show up,
Now,
P(X>1) = 1 - P(X<1),
Now, the probability density function is,
\(f(x) = \lambda e^{-\lambda x}\)
And the cumulative distribution function (CDF) is,
\(CDF = 1 - e^{-\lambda x}\)
Now, CDF gives the probability of an event occuring within a given time,
so, for 1 week, we have x = 1, and λ = 5, which gives,
P(X<1) = CDF,
so,
\(P(X < 1)=CDF = 1 - e^{-\lambda x}\\P(X < 1)=1-e^{-5(1)}\\P(X < 1)=1-e^{-5}\\P(X < 1) = 1 - 6.738*10^{-3}\\P(X < 1) = 0.9932\\And,\\P(X > 1) = 1 - 0.9932\\P(X > 1) = 6.8*10^{-3}\\P(X > 1) = 0.0068\)
So, the probability that on a particular week, the hospital will receive on high BP pregnant woman is 0.0068
Anna spent 8 hours reading a book. This is twice as long as Kim spent reading her book. Write an
equation that can be used to find the number of hours, h, Kim spent reading her book.
Answer:
8x2=h
Step-by-step explanation:
Answer:
8 ÷ 2 = h
Step-by-step explanation:
Since we know that 8 hours is two times the amount of time Kim read her book we know we have to divide 8 by 2 to get the answer for h.
have a good day/night
What is the area of the shaded region?
Answer:
132 ft
Step-by-step explanation:
Area small one
8^8 = 64 ft
Area of large one
14^14 = 196 ft
Shaded region=
196-64 =132 ft
determine which statement is true: a.the functions have an equal rate of increasesb.the first function increases faster than the second functionc.the second function increases faster than the first functionpart 2:select one of the false statements then justify how you know It is not correct
Please help my son dose not understand this ..!!!!!! I’m asking for help ASAP
Answer:
cat-7kgs
bananas-1kg
nickel-5gs
dollar-1g
part a- 464 grams
part b- 355 grams
part a- 86 grams
part b- 12 grams
Given the following five-number summary, find the IQR.
2.9, 5.7, 10.0, 13.2, 21.1.
The IQR of the given series 2.9, 5.7, 10.0, 13.2, 21.1 is 15.4
In the given question, a five number summary is given as follows
2.9, 5.7, 10.0, 13.2, 21.1
We need to find the IQR
So, first we'll find the median of the given series
The middle value in a sorted, ascending or descending list of numbers is known as the median, and it has the potential to describe a data collection more accurately than the average does.
So, the given series is already in ascending order. And the middle value is 10.0. So the median is 10.0
Now to find the IQR the given formula will be used,
IQR = Q3 - Q1
Where Q3 is the last term in lower series and Q1 is the last term in upper series
Lower series - 2.9, 5.7
Upper series - 3.2, 21.1
Q3 = 5.7 , Q1 = 21.1
IQR = Q3 - Q1 = 21.1 - 5.7 = 15.4 ( IQR is always positive)
Hence, the IQR of the given series 2.9, 5.7, 10.0, 13.2, 21.1 is 15.4
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please help me with this thank you
(9) The slope of a line perpendicular to the line, f(x) = 0.75x + 6 is - 4/3.
(10) The slope of a line parallel to this line, y = 10 -8x is -8.
What is the slope of a line perpendicular to the line?The slope of a line perpendicular to the line is the negative reciprocal of the slope of the line equation.
Question 9.
f(x) = 0.75x + 6
where;
0.75 is the slope of the line6 is the interceptThe slope of a line perpendicular to this line = -1/0.75 = -100/75 = -4/3
Question 10.
For the equation of another line, y = 10 - 8x
The slope of a line parallel to this line is equal to the slope of this line and it is calculated as follows;
y = 10 - 8x
where;
-8 is the slope10 is the y interceptslope of a line parallel to the line = -8
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nathan usually drink 31 ounces of water per day. He read that he should drink 61 ounces of water pet day. If he starts drinking 61 ounces, what is the percent increase? round to the nearest percent
Find the measure of angle x. Round your answer to the nearest hundredth.
Answer:
28.07°
Step-by-step explanation:
use SohCahToa
in this case we use tan^-1 to get the angle x°
tan^-1(8/15)=28.07248694
to the nearest hundredth
=28.07°
What is the formula for x^2-11x+10
Answer:
In the expression
\( {x}^{2} - 11x + 10\)
a in the formula will be substituted for 1
b in the formula will be substituted for -11
c in the formula will be substituted for 10
Is -7 an integer or a irrational number ?
Answer:
Integer
Step-by-step explanation:
Integer :a number which is not a fraction; a whole number that can be Positive or negative
Hope this helps.. Good Luck