The volume of the cube is 1 cubic foot.
Volume of cube:Given that, each side of cube is 1 inch.
When dilation of the cubic inch by a factor of 12. Then each side of cube became 12 inches.
As we know that,
\(12inch=1 foot\)
So that, each side of cube become 1 foot.
Volume of cube \(=(side)^{3}\)
\(Volume=1^{3}=1ft^{3}\)
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Answer:
its 1728
Step-by-step explanation:
Three consecutive integers have a sum of 72. Find the integers.
Answer:The three consecutive integers are 23, 24 and 25
Step-by-step explanation:
23+24+25=72
What are the coordinates of the point on the directed line segment from K(−3,−2) to L(6, 1) that partitions the segment into a ratio of 2 to 1? show work
The coordinates of points which divide line KL into a ratio of 2 to 1 is (3,0)
Here we have to use the section formula of coordinate geometry.
P(x1, y1) and Q(x2, y2) are two points to consider Finding the coordinates of the point R that divides PQ in the ratio m: n is necessary because PR/RQ = m/n. Given the ratio, the point R can either be outside of the segment PQ or between P and Q.
here in this question x1 = -3 ,y1= -2 x2 = 6 y2 =1.
m =2 n =1.
formula gives x coordinates as
x = (m*x2 + n*x1)/(m+n)
putting the values
x = 2*6 + 1*(-3)/(3)
x = (12-3)/3 = 9/3 =3
the formula gives y coordinates as
y = (m*y2 + n*y1)/(m+n)
y = (2*(1) + 1*-2)/3 = 0/3 = 0.
So the coordinates of points which divides line KL into a ration of 2 to 1 is (3,0)
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The last step in a proof contains the
Step-by-step explanation:
I don't understand the question
collection of n < min{m, n −m } is taken out at random without replacement. for k = 0, . . . , n, give a formula for the probability that exactly k balls are red.
The formula for the probability that exactly k balls are red when a collection of n < min{m, n - m} balls is taken out at random without replacement is given by:P(k red balls) = (C(m, k) * C(n - m, n - k)) / C(n, n) = (m! / (k! * (m - k)!) * (n - m)! / ((n - k)! * (n - m - n + k)!)) / (n! / (n! * 0!)) = (m! * (n - m)!) / (k! * (m - k)! * (n - k)! * n!).
Given n balls, m of which are red and n - m are blue, if a collection of n < min{m, n - m} balls is taken out at random without replacement, the probability that exactly k balls are red can be calculated using the Hypergeometric Distribution. The formula for the probability that exactly k balls are red is given by: P(k red balls) = (C(m, k) * C(n - m, n - k)) / C(n, n)
where C(n, k) denotes the number of combinations of n things taken k at a time, and is given by: C(n, k) = n! / (k! * (n - k)!).
Therefore, the formula for the probability that exactly k balls are red when a collection of n < min{m, n - m} balls is taken out at random without replacement is given by:
P(k red balls) = (C(m, k) * C(n - m, n - k)) / C(n, n) = (m! / (k! * (m - k)!) * (n - m)! / ((n - k)! * (n - m - n + k)!)) / (n! / (n! * 0!)) = (m! * (n - m)!) / (k! * (m - k)! * (n - k)! * n!).
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three people get into an empty elevator at the first floor of a building that has floors. each presses the button for their desired floor (unless one of the others has already pressed that button). assume that they are equally likely to want to go to floors through (independently of each other). what is the probability that the buttons for consecutive floors are pressed?
Three people get into an empty elevator at the first floor of a building that has floors. Therefore the probability that the buttons for consecutive floors are pressed is 1/2 x 1 = 1/2 or 0.5.
To simplify the problem we can see that there are three persons and all of them have their desired floors. Each one of them has pressed the button for their floor.
We can construct a number line to represent the floors. Let us suppose that the number line represents the floors of a 10 story building.
Number line: ... 7 8 9 10 [first person] [second person] [third person]
Let us see the scenario where the buttons for consecutive floors are pressed. Let the first person press the button for the 3rd floor. Then the second person could press the button for either the 2nd floor or the 4th floor.
We can only have the buttons for consecutive floors pressed if the second person presses the button for the 2nd floor
The probability of this happening. There are only 2 possibilities for the second person to press the button:
Press the button for the 2nd floor.
Press the button for the 4th floor.
Both of these possibilities are equally likely.
Therefore the probability that the second person will press the button for the 2nd floor is 1/2.The third person has only one choice. They can only press the button for the 4th floor.
Therefore the probability that the buttons for consecutive floors are pressed is 1/2 x 1 = 1/2 or 0.5.
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Alexa's friends got her a skydiving lesson for her birthday. her helicopter took off from the skydiving center, ascending in an angle of 20 degrees, and traveled a distance of 3.4 kilometers before she fell in a straight line perpendicular to the ground.
Alexa landed right below the helicopter, which means she landed 3.4 kilometers away from the skydiving center.
To solve the problem, we need to use trigonometry. We know that the helicopter traveled 3.4 kilometers, and it ascended at an angle of 20°.
We can use this information to find the height of the helicopter above the ground using the trigonometric function tangent:
tan(20°) = height / 3.4 km
Solving for height, we get:
height = 3.4 km * tan(20°) ≈ 1.16 km
Now we can use the height to find the distance from the skydiving center to Alexa's landing spot. We know that Alexa fell in a straight line perpendicular to the ground, so we have a right triangle where the height of the helicopter is the opposite side, and the distance we're looking for is the adjacent side.
We can use the trigonometric function tangent again:
tan(90°) = distance / height
Solving for distance, we get:
distance = height * tan(90°) = 1.16 km * 0 = 0 km
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Complete question is:
Alexa's friends got her a skydiving lesson for her birthday. her helicopter took off from the skydiving center, ascending in an angle of 20°, and traveled a distance of 3.4 kilometers before she fell in a straight line perpendicular to the ground. How far from the skydiving center did Alexa land?
Vinnie decorated 72 cookies in 36 minutes. How many cookies did he decorate per minute? My sister asked this XD
2 cookies per minute
How many cups are in 1 liter? Which conversions show a path to the solution? Check all that apply. cups Right-arrow liters Right-arrow quarts liters Right-arrow quarts Right-arrow cups cups Right-arrow gallons Right-arrow liters liters Right-arrow gallons Right-arrow cups
Answer:
I cant answer everything but I know that there are 8 cups in a liter
Step-by-step explanation:
Answer:
B,D
Step-by-step explanation:
4. A hot air balloon travels 1.2km horizontally from its take-off point. The angle of elevation from the take-off point to the balloon is 15°. How far did the balloon travel?
A hot air balloon moves 1.2 kilometres horizontally from its launch location. From the launch site to the balloon, there is a 15° elevation difference. 3400 feet are covered.
What is the far rate for balloon travels ?The balloon flies.
\($\begin{aligned} \tan 15^{\circ} & =\frac{D C}{A C} \\ A C & =\frac{D C}{\tan 15^{\circ}} \\ & =\frac{450}{\tan 15^{\circ}} \\ & =1,680 \mathrm{ft} \\ \angle A C B & =180^{\circ}-\left(13^{\circ}+19^{\circ}\right) \\ & =148^{\circ}\end{aligned}$\)
By using the triangle ABC,
\($\frac{A B}{\sin 148^{\circ}}=\frac{2117}{\sin 19^{\circ}}$\)
\($\begin{aligned} A B & =\frac{2117 \sin 148^{\circ}}{\sin 19^{\circ}} \\ & =3,400 \mathrm{ft}\end{aligned}$\)
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Find the exact value of each x ∈ [0, 2π) for which sin(2x) = √ 3 cos(x).
The solutions for x in [0, 2π) are: x = π / 3, 5π / 3, 7π / 3, 11π / 3
Starting with the given equation sin(2x) = √3 cos(x), we can use some trigonometric identities to simplify it:
sin(2x) = √3 cos(x)
2 sin(x) cos(x) = √3 cos(x) (using the double angle identity for sine)
2 sin(x) = √3 (since cos(x) is nonzero, we can divide both sides by cos(x))
sin(x) = √3 / 2
So we need to find all values of x in [0, 2π) such that sin(x) = √3 / 2.
From the unit circle, we know that sin(x) = √3 / 2 when x is π / 3 or 5π / 3. However, we need to include all angles in [0, 2π) that are coterminal with these angles. Since the period of sine is 2π, adding or subtracting any multiple of 2π from these angles will give us another angle that satisfies sin(x) = √3 / 2.
Therefore, the solutions for x in [0, 2π) are:
x = π / 3, 5π / 3, 7π / 3, 11π / 3
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what is the underlying logic of the single sample t-test?
The single sample T test refers to the statistical study involving a test that is used to determine if a group is significant of a different type from a known population. the null hypothesis for this test is the ability to not leave any difference between the sample mean and the population means.
Hence, the underlying logic behind the single sample T test is that it enables to initiation of the comparison of the sample means to a known or unknown population and proceeds to determine if there is any difference between them that is statistically significant. It chooses standard errors to differentiate between the sample mean and the population means.
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gement System Grade 0.00 out of 10.00 (0%) Plainfield Electronics is a New Jersey-based company that manufactures industrial control panels. The equation gives the firm's production function Q=-L³+15
The equation Q = -L³ + 15 represents the production function of Plainfield Electronics, where Q is the quantity of industrial control panels produced and L is the level of labor input.
In this production function, the term -L³ indicates that there is diminishing returns to labor. As the level of labor input increases, the additional output produced decreases at an increasing rate. The term 15 represents the level of output that would be produced with zero labor input, indicating that there is some fixed component of output. To maximize production, the firm would need to determine the optimal level of labor input that maximizes the quantity of industrial control panels produced. This can be done by taking the derivative of the production function with respect to labor (dQ/dL) and setting it equal to zero to find the critical points. dQ/dL = -3L². Setting -3L² = 0, we find that L = 0.
Therefore, the critical point occurs at L = 0, which means that the firm would need to employ no labor to maximize production according to this production function. However, this result seems unlikely and may not be practically feasible. It's important to note that this analysis is based solely on the provided production function equation and assumes that there are no other factors or constraints affecting the production process. In practice, other factors such as capital, technology, and input availability would also play a significant role in determining the optimal level of production.
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A manufacturer has a steady annual demand for 15,000 cases of sugar. It costs $10 to store 1 case for 1 year, $30 in set up cost to produce each batch, and $16 to produce each case. Find the number of cases per batch that should be produced to minimize cost.
The number of cases per batch that should be produced to minimize cost is: 300 units
How to find the economic order quantity?The number of cases per batch that should be produced to minimize cost can be found by using the Economic Order Quantity.
The Economic Order Quantity (EOQ) is a calculation performed by a business that represents the ideal order size that allows the business to meet demand without overspending. The inventory manager calculates her EOQ to minimize storage costs and excess inventory.
Thus:
Number of cases per batch = √((2 * Setup costs * annual demand)/ holding costs for the year)
Solving gives:
√((2 * 30 * 15000)/10)
= √90000
= 300 units
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d dianna are going to drive together to a nearby theme park. the car they are using has seats: driver seat, front passenger seat, and back passenger seat. bonnie and carlo are the only ones who know how to drive the car. how many possible seating arrangements are there?
There are 12 possible seating arrangement that Ali, Bonnie, Carlo, and Dianna can seat in a 4 seated car while visiting to a nearby theme park.
There are in total 4 people so the the possible seating arrangement should be 4! = 4*3*2 = 24.
But only 2 people know how to drive a car that is Bonnie and Carlo,
So the remaining seat can be occupied by any three that are remaining beside the driver.
So 3 remaining people can go in the front passenger seat.
There are 2 people who can go in the first back passenger seat.
The remaining person must go in the last seat.
Thus, there are 2x3x2 or 12 ways that they can be seated.
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. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
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After how many seconds does the object reach its maximum height? 2 seconds 3 seconds 6 seconds 9 seconds
Answer:
3 seconds
proofi took the test
The object reaches its maximum height after 3 seconds.
The correct option is 3 seconds.
To find the time at which the object reaches its maximum height, we need to determine the vertex of the parabolic function\(h(t) = -16t^2 + 96t + 6\) . The vertex form of a parabola is given by \(h(t) = a(t - h)^2 + k\), where (h, k) represents the vertex.
In this case, a = -16, so the vertex is given by t = -b/2a. Plugging in the values, we get t = -96/(2 x (-16)) = 96/32 = 3 seconds.
Therefore, the object reaches its maximum height after 3 seconds.
Option B, 3 seconds, is the correct answer.
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The complete Question:
The function \(h(t) = -16t^2 + 96t + 6\) represents an object projected into the air from a cannon. The maximum height reached by the object is 150 feet.
After how many seconds does the object reach its maximum height?
A. 2 seconds
B. 3 seconds
C. 6 seconds
D. 9 seconds
The function shown the the graph is f(x) =
Options
x^4-2x^2+5x+6
x^3-2x^2-5x+6
x^3-2x^2+5x+6
-x^4-2x^2+5x+6
pls help asap,,
Answer:
B
Step-by-step explanation:
We will first look at the end behavior of the graph
Is it down then up which means that the degree is 3 and the coeficcent is positive
this leaves B or C
We then know that the x intercepts are (-2,0) (1,0) (3,0)
The easiest way to proceed from here is just plugging in numbers into our euqation and if the end result is 0 then we got it!
looking at the B we have
-2³-2*-2²-5(-2)+6
this equals 0 which means this is our answer (this elimates C because the only difference between the two equations is the sign on the 5x)
You can also factor it and find the zeroes that way, but it's just more work
Kylie and Anthony were candidates in the election for student council president. The ratio of the number of votes that Kylie received to the number of votes that Anthony received was 3:1. Anthony received 30 votes. How many votes did Kylie receive?
Answer:
I think it will be 90
Step-by-step explanation:
Anthony have 30 votes and on the ratio it's 1. So 1 times 30 will get 30. so then if 3 x 30 it will be 90.
2 (x - 5) = 7 + 2x
What is the answer ?? I need help !?
Answer:
0=17
Step-by-step explanation:
2X - 10=7 +2x
-10 = 7
7 is fasle
i believe the answer is 17
State whether the given point is a solution to the system of equations.
The probability of an event occurring is 0.78. Which of the options below show the probability of an event that is more likely to occur? Select all that apply.
A) 0.81
B) 0.67
C) 0.63
D) 0.79
E) 0.88
Answer:
A) 0.81; D. 0.79 ; E) 0.88
Step-by-step explanation:
This question is asking whether an event in more likely to occur than a different event. So we are looking for every event that is more likely occur, or in other words, greater than 0.78. The only 3 events that are greater than 0.78 are 0.81, 0.79, and 0.88.
I need help with this practice problem *you can pick more than one answer
Solution:
Consider the following trigonometric equation:
\(3\cot (\theta)=-\sqrt[]{3}\)This is equivalent to:
\(\cot (\theta)=-\frac{\sqrt[]{3}}{3}\)now, consider the following trigonometric circle and the above equation:
According to this trigonometric circle and the definition of the cotangent function, we can conclude that the general solution would be:
\(\theta=\frac{2\pi}{3}+\pi n\)1
Mary and Darryl are selling flower bulbs for a school fundraiser. Customers can buy bags of
windflower bulbs and bags of daffodil bulbs. Mary sold 10 bags of windflower bulbs and 4
bags of daffodil bulbs for a total of $226. Darryl sold 6 bags of windflower bulbs and 4 bags of
daffodil bulbs for a total of $166. What is the cost each of one bag of windflower bulbs and
one bag of daffodil bulbs?
Answer:
15 windflower bulbs
19 daffodil bulbs
Step-by-step explanation:
Given
Represent windflower with W and daffodil with D.
So:
Mary's sales is:
10W + 4D = 226 --- (1)
Darryl's sales is:
6W + 4D = 166 ---- (2)
Required
Solve for W and D
We'll make use of elimination method.
Start by subtracting (2) from (1)
10W - 6W + 4D - 4D = 226 - 166
4W = 60
Multiply both sides by ¼
¼ * 4W = 60 * ¼
W = 60 * ¼
W = 15
Substitute 15 for W in (1)
10W + 4D = 226
10 * 15 + 4D = 226
150 + 4D = 226
Collect like terms
4D = 226 - 150
4D = 76
Multiply both sides by ¼.
¼ * 4D = 76 * ¼.
D = 19
The area of a circular cake plate is 1520 cm ².Find the diameter to the nearest cm
Answer: 44 cm
Step-by-step explanation:
area of circle = πr²
1520 cm² = πr²
r is approximately 22 cm (21.996159369...)
so D (diameter) would be 44
please help its timed i will give brainlyest
Answer:
20
Step-by-step explanation:
Long Division, cancel the zeroes, then 80/4 which is 20
Answer:
20
Step-by-step explanation:
8000/400= 20
John swims a lap in 33 seconds. If Bill can swim a lap
0.47 second faster, how long does it take Bill to swim a lap?
Answer:
32.53 of a second to swim a lap
Simplify 4ab(5a²b²+2ab-3)
Answer:
Step-by-step explanation:
4ab • (((5a2 • b2) + 2ab) - 3)
2.1 Factoring 5a2b2 + 2ab - 3
Try to factor this multi-variable trinomial using trial and error
Found a factorization : (5ab - 3)•(ab + 1)
4ab • (5ab - 3) • (ab + 1)
please help i want please
The location of point N is -20.
How to find the location of N?
We can see a number line with 3 points.
Here we know taht MN is 2/7 of MP, so first let's find the length of MP.
The length is equal to the difference between the two values, we can see that:
P = -5
M = -26
Then the length of MP is:
-5 - (-26) = 21
And MN is 2/7 of that, then:
(2/7)*21 = 2*3 =6
Then we can write:
N - M = 6
N - (-26) = 6
N = 6 - 26 = -20
The location of N is -20.
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Which factor or factors listed below are external influences on a loan's interest rate?
1. the borrower's credit history
II. the length of the loan
III. the federal funds rate
a. I and II
b. I and III
c. II and III
d. III only
Answer:
D
Step-by-step explanation:
EDGE 2021
What is the solution to this system of equations?
y = -3x - 2
6x +2y = -4
Answer:
There are infinite solutions
Step-by-step explanation:
Both of these equations are the exact same. 6x+2y=-4 in y=mx+b form is y = -3x - 2. This means that since they are exactly the same, there are infinite solutions.
Select the correct answer.
Find the value of g(7) for the function below.
g(x)= 7/8x-1/2
A. 49/8
B. 53/8
C. 60/7
D. 45/8
Answer:
D. 45/8
Step-by-step explanation:
The value of function g (7) is,
⇒ g(7) = 45/8
What is mean by Function?A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Given that;
Function is,
⇒ g(x) = 7/8x - 1/2
Now, Plug x = 7 in above equation,
⇒ g(x) = 7/8x - 1/2
⇒ g(7) = 7/8 (7) - 1/2
⇒ g(7) = 49/8 - 1/2
⇒ g(7) = 49/8 - 4/8
⇒ g(7) = 45/8
Thus, The value of function g (7) is,
⇒ g(7) = 45/8
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