Answer:
no she/he cannot afford the tv
Step-by-step explanation:
take her income + tips and subtract out all her expense.
the residual income is $165 and multiply that by 6 to get $990 which is not enough to buy a $1,099.99 tv.
how many times bigger is b than c
• Davis has $38 and wants to purchase heirloom tomatoes for a
Labor Day recipe. These heirloom tomatoes cost $2 a piece and
can be found at an exclusive farmer's market. Admission to the
farmer's market costs $10. How many tomatoes can Davis
purchase?
Answer:
complete this sentence 8,3,2,7
helpppp!!!!!!!!!!! i’m so confused
Using simplex method to solve the following problems: (Manual calculations and then confirm your calculation by any software) Max. Z=5A+4B Subject to constraints: 6 A+4 B≤24, A+2 B≤6,−A+B≤1, B≤2, A, B≥0
Using the simplex method, the maximum value of Z=5A+4B is found to be 19.2 when A=3.6 and B=1.2. The calculations can be confirmed by using any software that solves linear programming problems.
To solve the given linear programming problem using the simplex method, we start by converting the problem into standard form. We introduce slack variables to convert the inequalities into equations.The initial tableau is as follows:
| A | B | S1 | S2 | S3 | S4 | RHS
------------------------------------------
Z | -5 | -4 | 0 | 0 | 0 | 0 | 0
------------------------------------------
S1 | 6 | 4 | 1 | 0 | 0 | 0 | 24
S2 | 1 | 2 | 0 | 1 | 0 | 0 | 6
S3 | -1 | 1 | 0 | 0 | 1 | 0 | 1
S4 | 0 | 1 | 0 | 0 | 0 | 1 | 2
We perform the simplex iterations until the optimal solution is reached. After applying the simplex method, the final tableau is obtained as follows:
| A | B | S1 | S2 | S3 | S4 | RHS
------------------------------------------------------
Z | 0 | 1.8 | 0.2 | -1 | -0.4 | 0.4 | 19.2
------------------------------------------------------
S1 | 0 | 0 | 0 | 1.5 | -1 | 1 | 3
S2 | 1 | 0 | -0.5 | 0.5 | 0.5 | -0.5 | 1.5
A | 1 | 0 | 0.5 | -0.5 | -0.5 | 0.5 | 0.5
S4 | 0 | 0 | 1 | -1 | -1 | 1 | 1
From the final tableau, we can see that the maximum value of Z is 19.2 when A=3.6 and B=1.2. This solution satisfies all the constraints of the problem. The calculations can be verified using any software that solves linear programming problems, which should yield the same optimal solution.
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given a = ½ (a b)h, if a = 215 m2, b=12.5 m, and h = 20.0 m, what, in meters, is a?
The value of a is 2687.5 m²/m.
Given thata = 215 m², b = 12.5 m and h = 20.0 mTo find the value of a, we use the formula;`a = 1/2 (a b) h`Rearranging the formula, we get;a = 2a/ bhMultiplying both sides by bh, we have;ab = 2a x hDividing both sides by 2h, we get;ab/ 2h = aHence;a = ab/ 2hSubstituting the given values in the formula;a = (215 m² × 12.5 m )/ (2 × 20.0 m)a = 2687.5 m²/mTherefore, the value of a is 2687.5 m²/m.
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40000$ consumer loan will be paid in monthly equal installment over
2years monthly payments , if the interest rate is 15.8% what will
be the amount?
Explain the answer in details
A consumer loan of $40,000 with a 15.8% interest rate will require monthly payments over a period of 2 years. The total amount to be paid, including both principal and interest, will be approximately $45,380.
To calculate the monthly payments, we need to determine the total amount to be paid over the loan period, including the principal amount and the interest. The formula used for calculating equal monthly installments is:
M = P * (r * (1 + r)^n) / ((1 + r)^n - 1)
Where:
M = Monthly payment
P = Principal amount
r = Monthly interest rate
n = Number of monthly payments
In this case, the principal amount (P) is $40,000, the interest rate (r) is 15.8% per year, and the loan duration (n) is 2 years (24 months).
First, we convert the annual interest rate to a monthly rate by dividing it by 12: 15.8% / 12 = 0.0132.
Next, we substitute the values into the formula:
M = 40,000 * (0.0132 * (1 + 0.0132)^24) / ((1 + 0.0132)^24 - 1)
Calculating this formula gives us the monthly payment (M) of approximately $1,907.42.
To find the total amount to be paid, we multiply the monthly payment by the number of payments: $1,907.42 * 24 = $45,778.08. However, this includes both the principal and the interest. Subtracting the principal amount ($40,000) gives us the total interest paid: $45,778.08 - $40,000 = $5,778.08.
Therefore, the total amount to be paid, including both principal and interest, will be approximately $45,778.08.
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Cronbach's alpha indicates to what extent scale items are correlated to each other?
True
False
False. Cronbach's alpha is a measure of internal consistency reliability, not a measure of the correlation between scale items.
It assesses the extent to which the items in a scale or questionnaire are measuring the same underlying construct.
Cronbach's alpha is calculated based on the inter-item correlations among the items in a scale. It provides a measure of the average correlation between all possible pairs of items in the scale. The range of Cronbach's alpha is between 0 and 1, with higher values indicating greater internal consistency or reliability.
Essentially, Cronbach's alpha quantifies the extent to which the items in a scale are consistently measuring the same construct or concept. It assesses how well the items "hang together" as a reliable measurement tool.
While correlation between scale items is related to internal consistency, Cronbach's alpha specifically measures the degree to which the items are interrelated and provides a single coefficient that reflects the overall reliability of the scale. It does not directly indicate the extent of item-item correlations or the strength of individual item contributions to the scale.
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In the given figure, AABC is a right triangle.
b
с
B
What is true about AABC?
O A. sin(A) = sin(C) and cos(A) = cos(C)
OB. sin(A) = cos(C) and cos(A) = sin(C)
OC. sin(A) = cos(C) and cos(A) = cos(C)
OD. sin(A) = cos(A) and sin(C) = cos(C)
The true statement about ΔABC is (b) sin(A) = cos(C) and cos(A) = sin(C)
How to determine the true statement about ΔABC?From the question, we have the following parameters that can be used in our computation:
The right triangle (see attachment)
The triangle has an angle of 90 degrees at B
The general rule of right triangles is that:
The sine of one acute angle equals the cosine of the other acute angle
Using the above as a guide, we have the following:
sin(A) = cos(C) and cos(A) = sin(C)
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Welp, the last one before the test
Answer:
y=2x-3
Step-by-step explanation:
y=mx+c
m=gradient=
5-(-5)/4-(-1)
=10/5
=2
c=y intercept=-3
y=2x-3
Answer:
y = 2x - 3
Step-by-step explanation:
(4, 5) and (0, -3)
m=(y2-y1)/(x2-x1)
m=(-3-5)/(0-4)
m=(-8)/(-4)
m=2
y - y1 = m(x - x1)
y - 5 = 2(x - 4)
y - 5 = 2x - 8
y = 2x - 3
After a composition of transformations, the line segment from A(-2, 8) to B(6, 2) maps to the line segment C( -2, -12) to D(6, -6). Which of the following describes the composition that is applied to ⎯⎯⎯⎯⎯⎯⎯⎯AB¯ to obtain ⎯⎯⎯⎯⎯⎯⎯⎯⎯CD¯?
Given,
The coordinates of the point (-2, 8), (6,2), (-2, -12) and (6, -6).
Required
The composition required that is applied to to obtain .
The graph of the points are,
From the graph it is clear seen that
Reflect across the x axis and translate 4 units down.
Hence, Reflect across the x axis and translate 4 units down.
PLEASE HELP I WILL GIVE BRAINLIEST
Amahl does computer repairs in his home. He charges a set fee to analyze the problem, plus an hourly rate for his labor. The table below shows C , the total charge to his customer, based on h ,the number of hours of labor required.
Which equation could Amahl use to determine his
customer’s total charge?
Answer: 1h=19.5c
Brainly pls
At what point(s) on the curve
x = 3t^2 + 5, y = t^3 − 5
does the tangent line have the slope 1/2?
The point on the curve where the tangent line has a slope of 1/2 is (25/4, -1079/216).
The tangent line to the curve given by x = 3\(t^{2}\) + 5 and y = t^3 - 5 will have a slope of 1/2 at the point (t, y) where t satisfies the equation 6t = 1.
To find the points on the curve where the tangent line has a slope of 1/2, we need to find the value(s) of t that satisfy the equation 6t = 1. Solving this equation gives us t = 1/6.
Substituting t = 1/6 into the equations for x and y, we can find the corresponding coordinates of the point(s) on the curve:
x = 3\((1/6)^{2}\) + 5 = 3/12 + 5 = 5/4 + 5 = 25/4,
y =\((1/6)^{3}\)- 5 = 1/216 - 5 = -1079/216.
Therefore, the point(s) on the curve where the tangent line has a slope of 1/2 is (25/4, -1079/216).
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Gracie has 1/2 of a cantaloupe that she wants to divide. How many 1/6s of a cantaloupe are there in 1/2 of a cantaloupe
Answer:
There are 6 1/6 slices in half a cantaloupe
Answer:
3
Step-by-step explanation:
(1/2)/(1/6)= 1/2*6/1=3 it has 3 (1/6)s
What is the value of x in the triangle? a 45-45-90 triangle with leg length 7 and hypotenuse length x a. B. C. D.
The value of x in the given 45-45-90 triangle is 9.89.
The given triangle is a right-angled triangle which can be solved using the Pythagoras theorem. The Pythagoras theorem states that the square of the hypotenuse is equal to the sum of the square of the base and the square of the perpendicular. This theorem can be applied to all right-angled triangles.
In the given triangle, we have been told that the length of both legs is 7. Now, after applying the theorem -
= 7²+7² = H²
= 49 + 49 = H²
= 98 = H²
= √98 = H
= 9.89 = H
Hence, this is the value of x.
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Solve the equation for a.
3a+13.61=−9.43
Answer: a = -7.68
STEPS:
- Subtract 13.61 from both sides
- Simplify
- Divide both sides by 3
Please help I’m having trouble understanding this question
Answer: <1 = 26°
Step-by-step explanation:
given that:
• <ABD = 66°
• <2 = 14° + <1 (since ''more than' means we add)
• Find <1
Since it is obvious that <ABD is a sum of <1 and <2:
⇒ <ABD = <1 + <2
now we know that <2 is 14° more than <1 and that <ABD = 66°
⇒ 66° = <1 + (14° + <1)
⇒ 66° = <1 + 14° + <1
⇒ <1 = (66° - 14°) ÷ 2
⇒ <1 = 26° ...Answer...
hope that helps...
What’s the solution to 2x-2y=6 and 4x+4y=28
Answer
x=5 y=2
Step-by-step explanation:
Which inequality matches the graph
Answer:
D) x ≤ 3
Step-by-step explanation:
The inequality that matches the graph is x ≤ 3. This is because x is less than or equal to 3 as shown in the graph.
(1) In a certain city, 60% of all residents have Internet service, 80% have television service, and 50% have both services. If a resident is randomly selected, what is the probability that he/she has at least one of these two services, and what is the probability that he/she has Internet service given that he/she had already television service?
The probability that he/she has Internet service given that he/she had already television service is 62.5%.
We need to find the probability that a resident has at least one of the two services and the probability that a resident has Internet service given they already have television service.
(1) To find the probability of a resident having at least one of these two services, we can use the formula P(A ∪ B) = P(A) + P(B) - P(A ∩ B), where A represents Internet service and B represents television service.
P(A) = 0.60 (60% have Internet service)
P(B) = 0.80 (80% have television service)
P(A ∩ B) = 0.50 (50% have both services)
P(A ∪ B) = 0.60 + 0.80 - 0.50 = 0.90 (90%)
Therefore, the probability that a resident has at least one of the two services is 90%.
(2) To find the probability of a resident having Internet service given they have television service, we can use the formula P(A | B) = P(A ∩ B) / P(B).
P(A | B) = P(A ∩ B) / P(B) = 0.50 / 0.80 = 0.625 (62.5%)
So, the probability that a resident has Internet service given they already have television service is 62.5%.
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In a recent National Survey of Drug Use and Health, 2312 of 5914 randomly selected full-time US college students were classified as binge drinkers.
If we were to calculate a 99% confidence interval for the true population proportion p that are all binge drinkers, what would be the lower limit of the confidence interval? Round your answer to the nearest 100th, such as 0.57 or 0.12. (hint: use Stat Crunch to calculate the confidence interval).
The lower limit of the 99% confidence interval for the true population proportion of binge drinkers cannot be determined without additional information.
To calculate the lower limit of the 99% confidence interval for the true population proportion of binge drinkers, we need to know the sample proportion and the sample size. While the information provided states that 2312 out of 5914 randomly selected full-time US college students were classified as binge drinkers, we don't have the specific sample proportion.
Additionally, the margin of error is required to calculate the confidence interval. Without these values or the methodology used to calculate the interval, we cannot determine the lower limit. It is important to note that the confidence interval is influenced by the sample size, sample proportion, and the desired level of confidence. Without more information, we cannot compute the lower limit of the confidence interval.
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Veronica says that the expression
7(5x + 2) is equivalent to the expression
12x + 9. Is Veronica correct?
Use a model to solve nine multiplied by four sixths. Leave your answer as an improper fraction.
A. 36/6
B.13/6
C.36/54
D.13/15
approximate the distance between (1,2) and (7,6) to the nearest tenth.
\(~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{7}~,~\stackrel{y_2}{6})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[7 - 1]^2 + [6 - 2]^2}\implies d=\sqrt{6^2 + 4^2}\implies d=\sqrt{52}\implies d\approx 7.2\)
What is the difference?
52 – 13 =
29
39
41
65
Answer:
39
Step-by-step explanation:
TYagVvHhisjssbahuauaahaah
Si en 1950 el 30% de la población global, alrededor de 700 millones de personas habitaban
en zonas urbanas. Calcule mediante procedimiento matemático la población total y la
población rural para la misma época.
Answer:
zonas urbanas => 30 % de la poblacion => 700 millones
poblacion total => 100 % de la poblacion => x => 2333.3 millones
poblacion rural => 70% de la poblacion => x - 700 => 1633.33 millones
\(x = \frac{700 \times100}{30} =2333.3\)
\(x-700=2333.3-700=1633.33\\\)
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
9514 1404 393
Answer:
A
Step-by-step explanation:
If the price of a hot dog is x, then the price of two hot dogs is 2x, and the price of 3 of them is 3x.
If the price of a drink is y, then the price of 2 drinks is 2y.
So, we have the price of 2 hotdogs and 2 drinks is 4.75.
2x + 2y = 4.75
And the price of 3 hot dogs and 1 drink is 7.75.
3x + y = 7.75
This pair of equations matches those in choice A.
_____
Comment on the question
We know right away that something is screwy here, because the cost of two hotdogs and 2 drinks should be an even number. 4.75 is not an even number. If we solve this set of equations, we find the cost of a drink is negative—not something you're likely to see in the real world.
So, this is an exercise in writing equations. It has nothing to do with finding real prices.
The graph shows a function. Is the function linear or nonlinear?
g a pharmaceutical company receives large shipments of ibuprofen tablets and uses an acceptance sampling plan. this plan randomly selects and tests 29 tablets, then accepts the whole batch if there is at most one that doesn't meet the required specifications. what is the probability that this whole shipment will be accepted if a particular shipment of thousands of ibuprofen tablets actually has a 4% rate of defects? (report answer as a decimal value accurate to four decimal places.)
The probability that this whole shipment will be accepted if a particular shipment of thousands of ibuprofen tablets actually has a 4% rate of defects is 0.9660
This problem can be solved by permutations and combinations. This can also be solved using binomial probability experiment.
Let, then we could reasonably assume that follows a binomial distribution.
Given P = 0.01 and n = 29
P(x) = nCx.px.(1-p)^(n-x)
nCx = n! [x!-(n-x)!]
P = P(X<=1).
X<=1, if X = 0 and X = 1,
P(0) + P(1)
P(0) = 1.(0.01)^(0).(0.99)^(29) = 0.74717
P(1) = 29C1.(0.01)^(1).(1-0.01)^(29-1)
P(1) = 0.21887
P = P(0) + P(1)
P = 0.74717+0.21887 = 0.9660
So, therefore the probability that this whole shipment will be accepted if a particular shipment of thousands of ibuprofen tablets actually has a 4% rate of defects is 0.9660
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NEED HELP FOR THIS QUICK (WILL SEND MONEY IF DONE)
The Toblerone company packages chocolate candy in a container that is a triangular prism. The base is an
equilateral triangle and each side of the triangle is 60 mm. The height of the triangular prism is 405 mm.
1) What is the total surface area of this triangular prism? Show all work and give answers to 2 decimal places
2) What is the volume of this triangular prism? Show all work and give answers to 2 decimal places
3) If the chocolate inside the package is 335954.96 mmº, how much empty volume/space is inside the
container? Show all work and give answers to 2 decimal places
Bonus Question: What percentage of the container is empty space? Show all work and give answers to 2
decimal places
Answer:
_Area top_= √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c) + _Area bottom_ √1/4(a+b+c)(b+c−a)(c+a−b)(a+b−c)+ Area lateral =h(a+b+c)
1) Surface Area: 76,017.691
√V=1/4h(a+b+c)(b+c−a)(c+a−b)(a+b−c)
2) Volume: 631,332.519
Volume - given empty space
3) 631,332.519 - 335,954.96= 295,377.559
Percentage of 335,954.96 in 631,332.519=
Bonus Question) 53.21%
Step-by-step explanation:
jada walks at a speed of 3mph. elena walks at a speed of 2.8 mph. if they both begin walkign along a walking trail at the same time, how much father will jada walk adter 3 hours
Given, Jada walks at a speed of 3 mph and Elena walks at a speed of 2.8 mph.Both Jada and Elena start walking along a walking trail at the same time.
Let us determine the distance covered by both of them.Distance travelled by Jada in 3 hours is:Distance = Speed × Time= 3 mph × 3 hours= 9 miles Distance travelled by Elena in 3 hours is:Distance = Speed × Time= 2.8 mph × 3 hours= 8.4 miles Thus, Jada will walk 0.6 miles farther than Elena after 3 hours.
To determine how far Jada will walk after 3 hours, we need to calculate the distance traveled based on her speed.
Jada walks at a speed of 3 miles per hour (mph), so we can calculate her distance using the formula:
Distance = Speed × Time
Plugging in the values, we have:
Distance = 3 mph × 3 hours
Distance = 9 miles
Therefore, Jada will walk a distance of 9 miles after 3 hours.
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The given information is as follows:
Jada walks at a speed of 3 mph and Elena walks at a speed of 2.8 mph. If they both begin walking along a walking trail at the same time.
Therefore, Jada will walk 9 miles after 3 hours.
The distance covered by Jada after 3 hours can be calculated as follows:
Distance = Speed x Time
Since Jada walks at a speed of 3 mph, the distance covered by her in 3 hours can be calculated as:
Distance covered by Jada = 3 mph x 3 hours
= 9 miles.
Therefore, Jada will walk 9 miles after 3 hours.
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