Answer:
1. 20
2. 34
Step-by-step explanation:
The base of a triangular prisms has an area of 18 square inches if the height of the prism is 9. 5 inches then what what is the volume of the prism
The volume of the triangular prism is 171 cubic inches.
To find the volume of a triangular prism, you need to multiply the area of the base by the height of the prism. In this case, the base of the prism has an area of 18 square inches and the height is 9.5 inches. So, the volume of the prism can be calculated as follows:
Volume = Base Area x Height
Volume = 18 sq. in. x 9.5 in.
Volume = 171 cubic inches
Therefore, the volume of the triangular prism is 171 cubic inches.
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Find the value of of the thing-
\(5(x+4)=40\)
\(~~~~~~5(x+4) = 40\\\\\implies x +4 = \dfrac{40} 5\\\\\implies x +4 = 8\\\\\implies x= 8-4\\\\\implies x = 4\)
a+ ab + b for a = 11, b = 8
Answer:
107
Step-by-step explanation:
Plug in 11 for a, and 8 for b.
a + ab + b
(11) + (11 * 8) + (8)
Remember to follow PEMDAS. First multiply, then combine terms:
11 + (11 * 8) + 8
11 + (88) + 8
99 + 8
107
107 is your answer.
~
Which expression is equivalent to 5y^-3
Answer:
5/y^3
Step-by-step explanation:
Which term is NOT equal to 7w?
A. 7 * w
B. 7(w)
C. 7 + w
D. 7. w
PLEASE HELP ME PLEASE HELP ME!!!
Answer: C
Step-by-step explanation:
7* w = 7w
7(w) = 7w
7+w = 7 + 1 w
7w = 7w
how many yards
carpeting is needed to cover a 60 feet length room and 40 feet width
Answer:
\(266\) \(\frac{2}{3}\) \(yards\)
Step-by-step explanation:
1. Approach
First, convert the dimensions of the room from feet to yards. Remember, the conversion rate between feet and yards is, \(3feet=1yard\). Next, find the area of the room by multiplying the length by the width.
2. Convert the unit of measurement
The measurement unit is given in feet, one must convert it into yards. The conversion rate between yards and feet is, \(3feet=1yard\).
\(60feet=20yards\\\\40feet=13\frac{1}{3}yards\)
3. Find the area of the room
Now multiply the length by the width to find the area of the room.
\(20yards*13\frac{1}{3}yrads\\\\= 20 * \frac{40}{3}\\\\=\frac{800}{3}\\\\= 266\frac{2}{3}_{.}yards^{2}\)
In "From Barter to Bitcoin," the author notes that people in different parts of the world have used salt, cacao beans, and seashells as currency at various times.
What conclusion can be logically drawn from this detail?
People who used such common things as currency would have been better off bartering.
People in these places and eras had more salt, cacao beans, and seashells than they knew what to do with.
These things were considered to be valuable by people in those places and at those times.
These things are valuable enough that many people today continue to use them as currency.
Answer:
its c these things were considered to be valuable by people in those places in those times. i think thats the answer thx please mark me brainleyest
Step-by-step explanation:
Evaluate:
18 (5n - 4) = [?]
Answer:
90n-72=0
Step-by-step explanation:
18×5n-18×4=0
The Department of Health plans to test the lead level in a public park. The park will be closed if the average lead level exceeds the allowed limit of 400 parts/million, otherwise, the park will be kept open. The department conducts the test using soil samples gathered at randomly selected locations in the park. You work for the Department of Health and your concern is for public safety and overall health of communities In this situation, would you make alpha or beta as low as possible and why? Beta. This type of error would be that when the test was conducted, it indicated that the lead levels exceeded 400 parts/million, but it really didn't and the park was determined to be unsafe when it really wasn't. Alpha. This type of error would be that when the test was conducted, it indicated that the lead levels exceeded 400 parts/million, but it really didn't and the park was determined to be unsafe when it really wasn't. Alpha. This type of error would be that when the test was conducted, it indicated that the lead levels didn't exceed 400 parts/million, but it really did and the park was left open when it really wasn't. Beta. This type of error would be that when the test was conducted, it indicated that the lead levels didn't exceed 400 parts/million, but it really did and the park was left open when it really wasn't safe.
The correct answer is Beta. In this case, it is more important to make the Beta error as low as possible.
This is due to the Beta error being a false negative, which would suggest that the lead levels did not go above the permitted limit even though they did.
As a result, the park would continue to be open and the general public would be exposed to a potentially dangerous situation.
On the other side, a false positive (also known as an Alpha error) would cause the park to be closed without a need and would prevent the public from accessing a secure park.
Making the Beta error as small as feasible is therefore more crucial in order to protect the public from unwarranted dangers.
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josh earned $30,000 last year if the tax rate was 15%,how much money can he keep after taxes
Answer:
25500
Step-by-step explanation:
15% of 30000 is (multiply 30000 by .15 to get this) 4500
Subtract 4500 from 30000 and you got the answer
Triangle JKL is similar to triangle PQR, find t. The sides of JKL measures
sJL = 4.5 sLK = 1.5 sJK = 5. The sides of PQR measures sQP = 25 sRP = 22.5 and sRQ = t
The length of side RQ in triangle PQR is 7.5.
Given,
ΔJKL ≈ ΔPQR
Therefore, sides are in same ratio to each other i.e.
\(\frac{QP}{JK}=\frac{RP}{JL}=\frac{RQ}{LK}\)
\(\frac{25}{5} =\frac{22.5}{4.5}= \frac{t}{1.5}\)
Therefore,
5 = t/1.5
t = 5*1.5
t = 7.5
Hence, length of RQ is 7.5.
Correct question,
Triangle JKL is similar to triangle PQR, find t. The sides of JKL measures
sJL = 4.5 sLK = 1.5 sJK = 5. The sides of PQR measures sQP = 25 sRP = 22.5 and sRQ = t. Find the length of RQ.
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Using data from the 2006 MTF survey, you find the following distribution for the average number of friends that drink alcohol after looking at the 2006 MTF survey
The median class which contains the middle 50% of the distribution in the survey belongs to the MOST category
Creating a frequency distribution table :
Category ___ Frequency ___ Cummulative frequency
Some ______ 120 _________ 120
A few ______ 181 __________301
Some ______ 264 _________ 565
Most _______517 _________ 1082
All _________257 _________1339
The median is the 50th percentile of the distribution The median class is the class where 50% of the total frequency of the distribution falls Median class = 50% × 1339 = 669.5 From the Cummulative frequency column, 669.5 falls within the MOST category Therefore, the median category belongs to the MOST class.Learn more : https://brainly.com/question/300591
Answer:
Step-by-step explanation:
I need help quickly pleaseeeeee!
The function g(x) is graphed on the coordinate grid.
What is the domain of g(x)?
V
5-
..4
оооо
3
x20
..2
O x>0
...1
1
3
4
5
6
7
8
-11
9 10
2
3
4
5
Answer:
The first one
Step-by-step explanation:
The function f(x) = {x + 3, x < 0, 3 x ≥ 0} represents the graph.
What is graph?In mathematics, the set of ordered pairings where f(x)=y exists is the graph of a function f. These pairs are Cartesian coordinates of points in two-dimensional space and so form a subset of this plane in the typical situation when x and f(x) are real integers.
here, we have,
given that,
As show in the graph we can see that the function has a graph of x + 3 on left side of the y - axis for x < 0.
And the function has the constant graph y = 3 for x ≥ 0.
Therefore, the given graph is the graph of the function,
f(x) = {x + 3, x < 0, 3 x ≥ 0}.
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Complete question:
He graph of a function is shown.
5
4
3
2
-
y
--5-3-2-1₁ 1 2 3 4 5 x
-2-
-3+
7 9
Which function is represented by the graph?
O f(x) =
O
f(x) = {3
O f(x):
x-3, x<0
3,
x20
11
x + 3, x < 0
x 20
-x+ 3, x ≤ 0
3,
x>0
○ f(x) = { 3*
O
-x-3, x ≤0
x > 0
What value of wmakes the equation below true?
3w + 2 = 8 + 6W
Answer:
w= -2
Step-by-step explanation:
3w + 2 = 8 + 6w
Subtract 3w from each side
3w-3w + 2 = 8 + 6w-3w
2 = 8+3w
Subtract 8 from each side
2-8 = 8-8+3w
-6 = 3w
Divide each side by 3
-6/3 = 3w/3
-2 =w
What is the slope of the equation: y = - 5x -6
What is the y-intercept of the equation: y = 2x
Answer:
Step-by-step explanation:
y = mx +b
Here, m is slope and b is y-intercept
1) y = -5x - 6
Slope = -5
y-intercept = -6
2) y = 2x
Slope = 2
y-intercept = 0
Construct a quadrilateral ABCD, given that AB = 5 cm, BC = 5.7 cm, CD = 4 cm,
AD = 3cm and BD = 3.5 cm.
Answer:
here you go it is a trapezoid, and sorry the lines aren't straight, i didnt have a ruler to make them perfect, but this is how you would show this answer:
Step-by-step explanation:
Express D in the form Dx, Dy, where the x and y components are separated by a comma using two significant figures. The figure shows vectors A and B. Find Ď=2.4 Ā+B.
The representation of D in the form D_x, D_y, where the x and y components are separated by a comma will be D[6.08,7.27]
Any vector oriented in two dimensions can be understood to have an impact in both directions. This implies that it may be divided into two halves. A component is a portion of a two-dimensional vector. The components of a vector assist to represent the vector's effect in a certain direction. The total impact of these two components is equivalent to the influence of the separate two-dimensional vectors. The two vector components can substitute the single two-dimensional vector.
Determine the x and y components for each vector A & B for vector A
Ax=sin (15) * 2=0.5176
Ay=cos (15) * 2=1.9318
for Vector B
Bx=cos (15) * 4=3.8637
By=sin (15)* 4=1.0352
The vector addition and scalar multiplication for x and y individually D=4.3 * A+B
Dx=4.3 *(sin (15) * 2)+cos (15) * 4
Dx=4.3 * 0.5176+3.8637
Dx=6.0893
Dy=4.3 *(cos (15) * 2)-sin (15) * 4
Dy=4.3 * 1.9318-1.0352
Dy=7.2715
D[6.08,7.27]
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The actual question may be:
Express D in the form D_x, D_y, where the x and y components are separated by a comma using two significant figures.
WILL MARK YOU BRAINLIEST
Answer:
64
Step-by-step explanation:
in a game of poker, what is the probability that a five-card hand will contain (b) four of a kind, and (c) a full house (three cards of one value and two cards of another value)?
(b) We have 13 possibilities that a five-card hand will contain four of a kind.
(c) We have 12 possibilities that a five-card hand will contain a full house.
What do you mean by probability?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.
The probability of an occurrence is a number between 0 and 1, with 1 representing certainty and 0 representing impossibility.
Since there are no other conceivable outcomes and the coin is fair, the odds of both the possibilities, "heads" and "tails," are equally likely to occur. As a result, the probability of either occurrence is half (which could also be written as 0.5)
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select the alternative hypothesis we should use to test whether the population mean daily number of texts for year olds differs from the population daily mean number of texts for year olds. 1. : 2. : 3. : - select your answer - b. suppose a sample of thirty year olds showed a sample mean of texts per day. assume a population standard deviation of texts per day and compute the -value. round your answer to four decimal places. 0.1212 c. with as the level of significance, what is your conclusion? do not reject . we cannot conclude that the population mean daily texts for year olds differs significantly from the population mean of daily texts for year olds. d. repeat the preceding hypothesis test using the critical value approach. the critical value(s) is(are) 1.96 . can it be concluded that the population mean differs from ?
a. To test whether the population mean daily number of texts for one age group differs from the population mean daily number of texts for another age group, we should use the following alternative hypothesis:
H1: μ1 ≠ μ2
b. To compute the p-value, we need to perform the following steps:
1. State the null hypothesis: H0: μ1 = μ2
2. Calculate the test statistic:
t = (sample mean - hypothesized mean difference) / (population standard deviation / √n)
Assuming the hypothesized mean difference is 0, and plugging in the given values:
t = (sample mean - 0) / (population standard deviation / √30)
3. Find the p-value using a t-distribution table or calculator, and round to four decimal places.
c. If the p-value is less than the level of significance (α), we reject the null hypothesis and conclude that there is a significant difference in the population mean daily texts between the two age groups.
If the p-value is greater than or equal to α, we do not reject the null hypothesis and cannot conclude that there is a significant difference.
d. For the critical value approach, we compare the test statistic (t) with the critical value (±1.96).
If the test statistic falls in the rejection region (outside of ±1.96), we reject the null hypothesis and conclude that the population mean differs.
If the test statistic falls within the acceptance region (inside ±1.96), we do not reject the null hypothesis and cannot conclude that the population mean differs.
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there are 24 hours in a day and scientist's. that tell us that we should sleep for 3/8 of the day. how much time should we spend sleeping?
55. Urn A contains two red balls and three white balls. Urn B con tains five red balls and one blue ball. ball is chosen at random A from Urn A and placed into Urn B. Then a ball is chosen at random from Urn B. a. What is the probability that both balls are red? b. What is the probability that the second ball is red? c. Given that the second ball is red, what is the probability that the first ball was red?
a. The probability of selecting a red ball from Urn A and then the probability of selecting a red ball from Urn B after one red ball has been transferred. b. The probability of selecting a red ball from Urn B, taking into account the transfer of one ball from Urn A. c. The probability that the first ball was red can be calculated using conditional probability.
a. To calculate the probability that both balls chosen are red, we multiply the probability of selecting a red ball from Urn A (2 out of 5) by the probability of selecting a red ball from Urn B (6 out of 7, since one red ball was added). So the probability is (2/5) * (6/7) = 12/35.
b. To calculate the probability that the second ball chosen is red, we consider that there are now a total of 6 red balls and 7 balls in Urn B. Therefore, the probability is 6/7.
c. To find the probability that the first ball was red given that the second ball is red, we use conditional probability. The probability that both balls are red (12/35) divided by the probability that the second ball is red (6/7) gives us (12/35) / (6/7) = 4/5. Therefore, the probability that the first ball was red given that the second ball is red is 4/5.
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SOMEONE PLEASE HELP!! EXPLANAITION = BRAINLIEST + FIVE STARS!! THANK YOU SO MUCH
A cone with volume 448 m³ is dilated by a scale factor of 1/4.
The volume of the resulting cone is ___ cubic meters.
29 - (-10n) = -18n + 91
Answer:
31/14
Step-by-step explanation:
1. 29+10n = -18n+91
2. 28n = 62
3. n = 62/28 = 31/14
Answer: 31/14 or 2.214
Step-by-step explanation: Pic attached. Hope this helps. Sorry for the bad handwriting, I'm writing with a mouse.
Cohen is a rational expected utility maximiser. You are given the following information about his preferences over the lotteries L 1
=((1/10,G),(3/10,W),(6/10,R))∼((3/10,G),(5/10,W),(2/10,R))=L 2
where G is a glass of Gin, W is a glass of Whisky and R is a glass of Rum. (Note (G,W,R) is not necessarily the order of preference). (a) Explain why there is not enough information to determine whether Cohen prefers a glass of Gin to a glass of Whisky. (b) If you are also told that Cohen prefers Rum to Gin, R≻G then what can you say about his preferences over L 1
and L 3
and therefore L 2
and L 3
where L 3
=((3/10,G),(3/10,W),(4/10,R)) Show that this implies W≻R and therefore W≻G. Also, show that if G≻R then R≻W and G≻W. (c) Construct a VNM utility function to represent his preferences in the case where W≻G. 2 You are now given the following additional information about his preferences, W≻G when he is happy and G≻W when he is depressed. (d) Explain why a VNM utility function over G,W and R cannot be used to represent his preferences. How would you model his preferences?
a) There is not enough information b) We can conclude that W≻R and W≻G. c) The probabilities p(G), p(W), and p(R) are the probabilities of getting each drink in the lottery L. d) The decision would be whether to drink Whisky or Gin.
(a) There is not enough information to determine whether Cohen prefers a glass of Gin to a glass of Whisky because the lotteries L1 and L2 are indifferent. This means that Cohen is equally likely to prefer one lottery to the other. In other words, his utility for Gin is equal to his utility for Whisky.
(b) If we are also told that Cohen prefers Rum to Gin, R≻G, then we can say that he prefers L3 to L1 and L2. This is because L3 has a higher probability of giving him his most preferred drink, Rum, than either L1 or L2. Therefore, we can conclude that W≻R and W≻G.
If G≻R, then we would have L1≻L3 and L2≻L3. This is because L1 and L2 have a higher probability of giving him his most preferred drink, Gin, than L3. However, we know that L3≻L1 and L3≻L2, so this is a contradiction. Therefore, G≻R cannot be true.
(c) A VNM utility function is a function that represents a person's preferences over lotteries. It takes as input a lottery and outputs a real number that represents the person's utility for that lottery. In the case where W≻G, a VNM utility function for Cohen would be of the form:
u(L) = w * p(G) + g * p(W) + r * p(R)
where w is Cohen's utility for Whisky, g is his utility for Gin, and r is his utility for Rum. The probabilities p(G), p(W), and p(R) are the probabilities of getting each drink in the lottery L.
(d) A VNM utility function cannot be used to represent Cohen's preferences because his preferences are not stable. In other words, his preferences change depending on his mood. When he is happy, he prefers Whisky to Gin. But when he is depressed, he prefers Gin to Whisky. This means that his utility for Gin and Whisky cannot be represented by a single number.
To model Cohen's preferences, we would need to use a more complex model that takes into account his mood. One possible model would be a Markov decision process. A Markov decision process is a model that describes how a person's preferences change over time. It takes as input the person's current mood and outputs a decision about what to do.
In the case of Cohen, the decision would be whether to drink Whisky or Gin. The person's mood would be represented by a state variable. The state variable would take on one of two values: happy or depressed. The transition probabilities would describe how likely it is for the person's mood to change from one state to the other. The reward function would describe how much utility the person gets from drinking each drink.
This model would allow us to capture the fact that Cohen's preferences change depending on his mood. It would also allow us to make predictions about how he would behave in different situations.
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Determine the production cost of 7 devices ,if labour amounts to 4140,computing components cost is 1035 and savings on reusable material is 1725
The production cost of the 7 devices is $6900
What is production cost?Production cost is simply defined as the sum of costs of all resources that is consumed in the process of making a product.
The production cost is classified into three categories. They are;
direct materials cost direct labor cost manufacturing overheadIt is also seen as a factor in total delivery cost.
From the information given, we have that;
Labor costs = 4140
Computing costs = 1035
Savings on reusable material = 1725
Production cost = 4140 + 1035 + 1725
add the values
Production cost = $6900
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how large will be the dwl if acme is not regulated? a. 2000 b. 500 c. 1250 d. zero
The deadweight loss (DWL) resulting from ACME not being regulated cannot be determined solely based on the options provided (a. 2000, b. 500, c. 1250, d. zero). To calculate the DWL, additional information such as market demand, supply, and any potential distortions would be necessary.
To answer this question, it is important to understand what dwl means. DWL stands for deadweight loss, which is the loss of economic efficiency that occurs when the equilibrium for a good or service is not at the efficient allocation. In other words, dwl occurs when a market is not operating optimally.
If Acme is not regulated, there is a high likelihood that the market will not be operating efficiently. This is because companies like Acme may engage in activities that are not beneficial to consumers, such as monopolizing the market or creating barriers to entry. These actions can lead to an increase in prices, decrease in quality, or both.
The size of the dwl will depend on the degree of market inefficiency. Without additional information, it is difficult to determine the exact size of the dwl. However, it is safe to assume that the dwl will be larger than zero. Therefore, the correct answer to the question would be either a, b, or c, as it is impossible to determine the exact size of the dwl without additional information.
In conclusion, the size of the dwl if Acme is not regulated cannot be determined without additional information. However, it is safe to assume that it will be larger than zero and could potentially be one of the options provided in the question (a, b, or c).
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There are 10 marbles in a bag. are red and the others are blue. 5 What is the ratio of red marbles to blue marbles? Question 11 * 1 There are 10 marbles in a bag . are red and the others are blue . 5 What is the ratio of red marbles to blue marbles ?
Answer:
%50 1÷2
if there is missing information. if there is 10 total marbels 5 would be red, 5would be blue.
Marie bought 6 pounds of apples for $0.87 per pound and
paid for them with a $10 bill. How much did she get back
in change?
Answer:
5.22
Step-by-step explanation:
rjskstks5oslyatkao5sylslgsltsirsotzktzo
Answer:
$4.78
Step-by-step explanation:
6 x 0.87 = 5.22
10.00 - 5.22 = 4.78
Maire got $4.78 back
in change