80 student tickets and 30 adult tickets must be sold to reach a $700 raise.
Since the drama club is selling tickets to their play to raise money for the show's expenses, and each student ticket sells for $ 5 and each adult ticket sells for $ 10, and the auditorium can hold a maximum of 110 people and the drama club must make a minimum of $ 700 from ticket sales to cover the show's costs, to determine one possible solution the following calculation must be performed:
110 x 5 + 0 x 10 = 550 (700 - 550) / (10 - 5) = 150/5 = 30 80 x 5 + 30 x 10 = 400 + 300 = 700
Therefore, 80 student tickets and 30 adult tickets must be sold to reach a $700 raise.
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solve by substitution (no wrong answers)
Answer:
(- 4, 169 ) , (- 9, 414 )
Step-by-step explanation:
y = - 49x - 27 → (1)
y = x² - 36x + 9 → (2)
substitute y = x² - 36x +9 into (1)
x² - 36x + 9 = - 49x - 27 ( add 49x to both sides )
x² + 13x + 9 = - 27 ( add 27 to both sides )
x² + 13x + 36 = 0 ← in standard form
(x + 4)(x + 9) = 0 ← in factored form
equate each factor to zero and solve for x
x + 4 = 0 ⇒ x = - 4
x + 9 = 0 ⇒ x = - 9
substitute these values into (1) for corresponding values of y
x = - 4 : y = - 49(- 4) - 27 = 196 - 27 = 169 ⇒ (- 4, 169 )
x = - 9 : y = - 49(- 9) - 27 = 441 - 27 = 414 ⇒ (- 9, 414 )
Make an estimate.
4.9 x 3.1
Estimate:
Answer:
15
Step-by-step explanation:
5x3 =15
Answer:
15
Step-by-step explanation:
We can round the two numbers so then we can multiply by the rounded numbers to get a close answer.
4.9 rounded to the nearest whole number is 5.
3.1 rounded to the nearest whole number is 3.
Now, we can multiply by the two numbers we got here.
5 × 3 = 15, so the answer to the question is 15.
two fair dice are rolled. what is the conditional probability that at least one lands on 6 given that the dice land on different numbers?
The probability is \(\frac{11}{30}\) .
What is the probability?
Probability is the ability to happen. The subject of this area of mathematics is the occurrence of random events. From 0 to 1 is used to express the value. To forecast how likely occurrences are to occur, Probability has been introduced in mathematics.
F= The probability that the dice land on different numbers.
F=(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5)
F = \(\frac{30}{36}= \frac{5}{6}\)
E= The event that at least one lands on 6.
E=(1,6),(2,6),(3,6),(4,6),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6)
E= \(\frac{11}{36}\)
What is the probability of E, when given that F has occurred?
P= \(\frac{P(EF)}{P(F)}\) = \(\frac{1-P(EF)}{P(F)}\)
=> P = \(\frac{\frac{11}{36} }{\frac{5}{6} }\) = \(\frac{11}{30}\)
Hence the Probability is \(\frac{11}{30}\) .
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What is the length of the line?
Answer:
Its D
square root of 37 = 6.0
Step-by-step explanation:
Factor the expression: 2x^2 +21x+49
Answer:
(2x+7)(x+7)
Step-by-step explanation:
hello this is what I'm working on on my homework questions and would like to do a couple of practice questions thank you
can someone help me with this? thank you!
Answer:
242 sq. cm.
Step-by-step explanation:
Surface Area
2(LH + BH + LB)2(10 × 3 + 7 × 3 + 10 × 7)2(30 + 21 + 70)2(121)242 sq. cm.a binomial experiment consists of 12 trials. the probability of success on trial 5 is 0.26. what is the probability of failure on trial 9?
The probability of failure on trial 9 is 0.74.
What is probability?
Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.
The probability of failure on a trial is equal to 1 - the probability of success on that trial. Therefore, the probability of failure on trial 9 is 1 - 0.26 = 0.74.
Hence, the probability of failure on trial 9 is 0.74.
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Suppose you want to put a frame around the painting shown at the right. The frame will be the same width around the entire painting. You have 276 in.2 of framing material. How wide should the frame be?
Answer:
The frame should be 36 + 2b + 16 + 2b
Step-by-step explanation:
To solve this question, let assign 36 in x 16 in as the dimension of the painting.
276 in^2 is the area of the framing material to be used.
Let the width of the frame around the frame be "b", thus; the dimension of the frame is 36 + 2b + 16 + 2b
The management of First American Bank was concerned about the potential loss that might occur in the event of a physical catastrophe such as a power failure or a fire. The bank estimated that the loss from one of these incidents could be as much as $100 million, including losses due to interrupted service and customer relations. One project the bank is considering is the installation of an emergency power generator at its operations headquarters. The cost of the emergency generator is $800,000, and if it is installed, no losses from this type of incident will be incurred. However, if the generator is not installed, there is a 10% chance that a power outage will occur during the next year. If there is an outage, there is a .05 probability that the resulting losses will be very large, or approximately $80 million in lost earnings. Alternatively, it is estimated that there is a .95 probability of only slight losses of around $1 million. Using decision tree analysis, determine whether the bank should install the new power generator.
The expected loss without the generator ($495,000) is less than the cost of installing the generator ($800,000), it would not be economically justifiable for the bank to install the new power generator based on this decision tree analysis.
The management of First American Bank faces a decision regarding the installation of an emergency power generator to mitigate potential losses from physical catastrophes such as power failures or fires.
To evaluate this decision, we can use decision tree analysis.
Without the generator, there is a 10% chance of a power outage. In the event of an outage, there is a 0.05 probability of very large losses ($80 million) and a 0.95 probability of slight losses ($1 million). To calculate the expected loss from not installing the generator, we can use the following formula:
Expected loss = (probability of outage) x [(probability of large loss x large loss amount) + (probability of slight loss x slight loss amount)]
Expected loss = 0.1 x [(0.05 x $80 million) + (0.95 x $1 million)]
Expected loss = 0.1 x [$4 million + $950,000]
Expected loss = 0.1 x $4.95 million
Expected loss = $495,000
Now let's compare this expected loss to the cost of installing the emergency power generator, which is $800,000. Since the expected loss without the generator ($495,000) is less than the cost of installing the generator ($800,000), it would not be economically justifiable for the bank to install the new power generator based on this decision tree analysis.
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5. George walks to a friend's house. He walks 750 meters North, then realizes
he walked too far. He turns around and walks 250 meters South. The entire
walk takes him 13 seconds. What is his speed per second?|
I
Answer:
76.9
Step-by-step explanation:
5= d/t = 1000m/135 =76.9
-7x > 10
Solve for x
Answer:
x > -10/7
Step-by-step explanation:
divide both sides by -7 and it will be x= -10/7
How many subsets does the set {a,b,c,d,e,f} have? 36 12. 64 6
Explanation
Imagine we had 6 light switches. They represent 'a' through 'f'.
Light switch number 1 being flipped on means we include 'a', and it turned off means we exclude 'a'. The same idea applies to the other switches.
Each switch has 2 choices, so there are (2*2*2)*(2*2*2) = 2^6 = 64 different combos of on/off. That's the number of subsets of {a,b,c,d,e,f}.
The general rule is that if we had n elements in the set, then there are 2^n different subsets. This includes the set itself and the empty set.
Note: The power set is the set of all subsets of a given set.
How to find the missing side of a triangle using trigonometry.
The quadratic function is given in both its standard and factored form below
x²+2x-15=(x+5)(x-3) there is nothing to factoriz
I don't understand this question can someone help me with this please, please explain!! and thank you for the help!! If u dont know try your best :D
Answer:
1.) 1 ,2, 31, 62
2.) 1, 3, 5, 9
3.) 540
Step-by-step explanation:
1.) 1x62= 62
2x31= 62
31x2= 62
62x1=62
Each of these number are a multiple of 62.
2.) 1x45=45
3x15=45
5x9= 45
9x5= 45
3.) 420÷2= 210
420÷3= 140
420÷5= 84
420÷6= 70
420÷9= 46.667 This number is not a multiple of 420 because the answer is in decimals which means 9 is not divisible by 420
540÷2= 270
540÷3= 180
540÷5= 108
540÷6= 90
540÷9= 60
540÷10= 54
2, 3, 5, 6, 9 and 10 is divisible by all of these numbers
Answer:
1) 1 ,2, 31, 62
2) 1, 3, 5, 9
3.) 540
Step-by-step explanation:
1) 62 would be divisible by 2 because its an even number, and if you split 62 in half, you would get 31.
2) 4+5 = 9. 3 and 9 are both divisible by 9, and 5 is divisible by 5.
3) All of the numbers are divisible by 10, 5, and 2 in the list. 250 is not divisible by 3, so we can take it off the list. The rest of the numbers are all divisible by 6. All we have left is 9. Both 420 and 510 add their values up to 6, which is not divisible by 9. That leaves us with 540 as our answer.
-kiniwih426
Which algebraic rule describes the reflection of F,G?
Answer:
A. (x,y)-(-x,y)
Step-by-step explanation:
1. Look at the first FG, It is Positive X and Positive Y
2. A reflection is simply flipping something to the opposite side, So now look at which part the 2nd FG is.
3. Now as we notice the G is in the Negative X, So that would be -X, But then when we look at the Y, It is in the positives!
whats the mean of the numbers 3 7 2 4 7 5 7 1 8 8
Answer:
5.2
Step-by-step explanation:
adding all the numbers together and dividing it by 10.
Answer:
mean = 5.2
Step-by-step explanation:
The mean (or average) of a group of numbers is defined as the value calculated by adding all the given numbers together and then dividing the result by the number of numbers given.
Therefore,
\(\boxed{\mathrm{mean = \frac{sum \ of \ the \ numbers}{number \ of \ numbers}}}\).
In the question, the numbers given are: 3, 7, 2, 4, 7, 5, 7, 1, 8, and 8.
Therefore,
sum = 3 + 7 + 2 + 4 + 7 + 5 + 7 + 1 + 8 + 8
= 52
There are 10 numbers given in the question. Therefore, using the formula given above, we can calculate the mean:
\(\mathrm{mean = \frac{52}{10}}\)
\(= \bf 5.2\)
Hence, the mean of the given numbers is 5.2.
PLEASE HELP ASAP!!!!!
Answer:
Factored completely is: 3x^2 (x+3)(x-2)
according to your question - probs (x-2), no other choice
Step-by-step explanation:
have fun friend & have a good day friend :)
y = − 16/1225x^2+ 7/5x+3/2
How high is the ball when it is punted? (Hint: Find y when x = 0.)
ft
(c) What is the maximum height of the football? (Round your answer to two decimal places)
ft
(d) How far from the punter does the football strike the ground? (Round your answer to two decimal places.)
ft from the punter
Ashley is saving for a computer that costs $500. She has saved up $120
so far. Which inequality represents the amount of money, m, Ashley still
needs to save? *
O m > $120
O m<$120
O m< $380
O m > $380
Answer:
m > $380
Step-by-step explanation:
First, the math:
$500-$120= $380.
She still needs $380.
Her $380 still needed is less than m, which gives us the last answer the most logical.
I hope this helped! Have a nice day.
Las dos cifras de un número suman 11 . Si las cifras se invierten de orden se invierten de orden , se obtiene otro número que excede en 27 unidades al anterior¿De q número se trata ?
Answer:
El número es el 47
Step-by-step explanation: Con los dígitos de los siguientes números se obtiene que su suma es 11
47 4 + 7 = 11
38 3 + 8 = 11
29 2 + 9 = 11
Si se cambia el orden de los dígitos:
47 se convierte en 74 74 - 47 = 27
38 " " 83 83 - 38 = 45
29 " " 92 92 - 29 = 63
Entonces el número solicitado es el 47
Determine the number of cycles each sine function has in the interval from 0 to 2π . Find the amplitude and period of each function. y=3sin∅
The sine function y = 3sin(θ) has one complete cycle in the interval from 0 to 2π. The amplitude of the function is 3, and the period is 2π.
The general form of the sine function is y = A × sin(Bθ + C), where A represents the amplitude, B represents the frequency (or 1/period), and C represents a phase shift.
In the given function y = 3sin(θ), the coefficient in front of the sine function, 3, represents the amplitude. The amplitude determines the maximum distance from the midpoint of the sine wave. In this case, the amplitude is 3, indicating that the graph oscillates between -3 and 3.
To determine the number of cycles in the interval from 0 to 2π, we need to examine the period of the function. The period of the sine function is the distance required for one complete cycle. In this case, since there is no coefficient affecting θ, the period is 2π.
Since the function has a period of 2π and there is one complete cycle in the interval from 0 to 2π, we can conclude that the function has one cycle in that interval.
Therefore, the sine function y = 3sin(θ) has one complete cycle in the interval from 0 to 2π. The amplitude of the function is 3, indicating the maximum distance from the midpoint, and the period is 2π, representing the length of one complete cycle.
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A construction worker places a compass at various positions on a wall until the compass needle deflects to one direction. What is the worker most likely using a compass to find
Answer:
Sources of electrical current
Step-by-step explanation:
Based on the information given the reason why
He/ She places a compass at different positions on a wall until the compass needle change to a direction was because the construction worker
was most likely using the compass to find the Sources of an ELECTRICAL CURRENT or where the ELECTRICAL CURRENT originated from reason been that ELECTRICAL CURRENT is the movement of electric charge from cathode to anode .
Answer:
D. Sources of electrical current
Step-by-step explanation:
I just took the test
Find the length of side x in simplest radical form with a rational denominator.
PLS HELPPPP ILL GIVE BRAINIEST IF CORRECT
The 6 participants in a 200-meter dash had the following finishing times (in seconds).
28, 28, 29, 31, 28, 24
Assuming that these times constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places.
Answer:
Step-by-step explanation:
To find the standard deviation of the population, we first need to find the mean of the population.
Mean = (28 + 28 + 29 + 31 + 28 + 24) / 6 = 28
Next, we need to find the variance of the population.
Variance = [(28 - 28)^2 + (28 - 28)^2 + (29 - 28)^2 + (31 - 28)^2 + (28 - 28)^2 + (24 - 28)^2] / 6
Variance = (0 + 0 + 1 + 9 + 0 + 16) / 6 = 2.67
Finally, we can find the standard deviation of the population by taking the square root of the variance.
Standard deviation = sqrt(2.67) ≈ 1.63
Therefore, the standard deviation of the population is approximately 1.63 seconds.
PLS HELP REALLY NEED HELP!!!!!!!!!!!!!!!
Answer:
the answer is A
Step-by-step explanation:
Answer:
A. - ∞ < x < ∞
Step-by-step explanation:
PLS HELP FOR BRIANLIST!!!! There are 8 more students in a math class than in a history class. If the ratio of the students in the math class to the history class students is 9 : 7, how many students are in math class?
Answer:
9-7= 2
8 / 2 = 4
4 X 9 = 36
4 X 7 = 28
36 students in math class
Answer:
36 students in the math class
Step-by-step explanation:
If ΔABC ≅ ΔFDE, which of the following statements is true?
∠A ≅ ∠E
∠B ≅ ∠F
∠A ≅ ∠D
∠B ≅ ∠D
Answer:
D
Step-by-step explanation:
B and D are the middle angle in both triangles.
Answer:
∠B ≅ ∠D this is the correct answer
what is m(angle) DCE
Applying the inscribed angle theorem, m∠CED = 34°.
What is the Inscribed Angle Theorem?According to the inscribed angle theorem, measure of inscribed angle DCE = 1/2(measure of intercepted arc ED).
m(ED) = 180 - 112 [semicircle]
m(ED) = 68°
m∠CED = 1/2(68°) [inscribed angle theorem]
m∠CED = 34°
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