The statement "The probability of each event in the sample space is between 1 and 1" is NOT a characteristic of a sample space.
For the first question, we need to calculate the probability of drawing a blue card (B) or an even-numbered card (E). The seven blue cards are numbered 1, 2, 3, 4, 5, 6, and 7, while the three red cards are numbered 1, 2, and 3.
Since there are no cards that are both red and even numbered, we can consider the events B and E as mutually exclusive. Therefore, the probability of drawing a blue card or an even-numbered card is simply the sum of their individual probabilities: P(B U E) = P(B) + P(E) - P(B ∩ E) = 7/10 + 5/10 - 2/10 = 10/10 = 1.Regarding the second question, all the provided options are characteristics of a sample space. The set of events in the sample space is collectively exhaustive, meaning it includes all possible outcomes. The probability of each event in the sample space is between 0 and 1. The summation of the probabilities of all the events in the sample space equals 1. Therefore, there is no option that is NOT a characteristic of a sample space.
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Crystal reads 25 pages in 1 hour. Write an equation to represent the 2
relationship between the number of pages Crystal reads and how much time she spends reading. Let p = number of pages and t = number of hours.
Answer:
she read 25 pages in 60 minutes
Step-by-step explanation:
divide 3x2 − 11x − 4 by x − 4. (2 points) x 1 x − 23 3x 1 3x − 23
Dividing 3x^2 - 11x - 4 by x - 4 results in the quotient of 3x + 1 and a remainder of -23.
To divide 3x^2 - 11x - 4 by x - 4, we can use long division.
First, we divide the highest degree term of the dividend by the divisor. In this case, (3x^2) / (x) gives us 3x as the first term of the quotient.
Next, we multiply the divisor (x - 4) by the first term of the quotient (3x) to obtain (3x)(x - 4) = 3x^2 - 12x.
We subtract this result from the dividend (3x^2 - 11x - 4) to get a new polynomial: (3x^2 - 11x - 4) - (3x^2 - 12x) = x + 8x - 4.
Now, we repeat the process with the new polynomial (x + 8x - 4). We divide the highest degree term (x) by the divisor (x - 4), which gives us the second term of the quotient, 8.
Multiplying the divisor (x - 4) by the second term of the quotient (8) gives us (8)(x - 4) = 8x - 32.
Subtracting this from the new polynomial (x + 8x - 4) - (8x - 32) = 40, we obtain the remainder.
Therefore, the division of 3x^2 - 11x - 4 by x - 4 gives the quotient 3x + 1 and the remainder -23.
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Assume {a} is a sequence which converges to a and {b} is a sequence which converges to b, then the sequence {an + bn} converges to a + b.
The resulting sequence will also converge when the corresponding terms of the two sequences are added together, "an + bn," and its limit will be equal to the sum of the limits of the individual sequences, which is "a + b."
Let's say we have two sequences in mathematics: a} and {b}. If the sequence "a" converges to a particular value, let's call it "a," and the sequence "b" converges to a different value, let's call it "b," then the sequence "an + bn" (where an and bn represent the terms of the sequences "a" and "b") will converge to the sum of the two values, which is a + b. Convergence of a sequence means that the values get closer to a In this way, if the two successions {a} and {b} combine, it suggests that their separate terms approach their particular restricts (an and b) as we think about additional terms.
As a result, the final sequence will also converge when we add the terms of the two sequences, "an + bn," and its limit will be equal to the sum of the limits of the individual sequences, which is "a + b."
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6=1x+5
Find Y . . . . . . . .
Answer:
If you are referring to the y-intercept, then the answer is 5. Otherwise, the answer is probably 6.
Step-by-step explanation:
Answer:
i got 1
Step-by-step explanation:
Find the value of the variables in the image above
Answer:
x = 8[tex]\sqrt{3}[/tex] , y = 8
Step-by-step explanation:
Using the sine and cosine ratios in the right triangle and the exact values
sin60° = [tex]\frac{\sqrt{3} }{2}[/tex] , cos60° = [tex]\frac{1}{2}[/tex]
sin60° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{16}[/tex] = [tex]\frac{\sqrt{3} }{2}[/tex] ( cross- multiply )
2x = 16[tex]\sqrt{3}[/tex] ( divide both sides by 2 )
x = 8[tex]\sqrt{3}[/tex]
----------------------------------------------------------
cos60° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{y}{16}[/tex] = [tex]\frac{1}{2}[/tex] ( cross- multiply )
2y = 16 ( divide both sides by 2 )
y = 8
Determine if the relation below represents a function. Explain your reasoning
Given:
The graph of a relations.
To find:
Whether the relation is a function or not.
Solution:
A relation is a function if there exist unique outputs for each input. If a graph passes the vertical line test then is a function.
Vertical line test: Each vertical line intersect the curve at most one.
In the given figure draw a vertical at [tex]x=1[/tex] as shown in the below figure.
From the below graph, it is clear that the vertical line intersects the curve at two points. So, it does not pass the vertical line test.
Therefore, the given relation is not a function.
Setup a double integral that represents the surface area of the part of the x2 + y2 + z2 = 8z that lies inside the paraboloid z = x2 + y2
The double integral should be integrated in terms of dr d(theta).
The bounds for the d(theta) integral are from 0 to 2pi.
I know the lower bound for dr is 0 but I cannot get the upper bound.
Please show all work, especially the equation in r and theta being integrated. Thank you!!
The surface area of the part of the x2 + y2 + z2 = 8z that lies inside the paraboloid z = x2 + y2, using the cylindrical coordinates is given as below:
The integral to find the surface area in the cylindrical coordinates, we can write as,
∫∫ dS = ∫∫ r dθ dr The given surface is x2 + y2 + z2 = 8z and the paraboloid is z = x2 + y2
By substituting the value of z from the paraboloid to the first equation,
we get,x2 + y2 + (x2 + y2)2 = 8(x2 + y2) Simplify it by expanding the square term as,
x2 + y2 + x4 + 2x2y2 + y4 = 8x2 + 8y2Now,
re-write the equation as,
x2 + y2 - 8x2 - 8y2 + x4 + 2x2y2 + y4 = 0On
solving this equation, we get
x2 + y2 - 8x2 - 8y2 + x4 + 2x2y2 + y4 = (x2 - 4x + y2 - 4y + 8)(x2 + 4x + y2 + 4y - 8) = 0
The equation of the paraboloid is given as, z = x2 + y2Hence,
the integral to find the surface area of the given surface in cylindrical coordinates,
∫∫ dS = ∫∫ r dθ dr Bounds of the integral to find the surface area are 0 ≤ θ ≤ 2π and r1 ≤ r ≤ r2,
where r1 and r2 are the radii of the cylinder.
Solve this equation and get the values of r1 and r2,r2 = 2r1
On solving the quadratic equation of (x2 - 4x + y2 - 4y + 8)(x2 + 4x + y2 + 4y - 8) = 0,
we get,
x2 + y2 - 4x - 4y + 4 = 0
The equation of the circle is given as
,x2 + y2 = 4x + 4y - 4 Solve for x and y to get,
x = 2 + cos θ y = 2 + sin θ
The radius of the circle is given as,
√(42 + 42) = √32 Thus,
the limits of integration of r are r1 = 0 and r2 = √32.
Integrating over the limits,
∫0^2π ∫0^√32 r dr dθ= 1/2(32) (2π)= 16πTherefore,
the surface area of the given surface is 16π.
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The Royal Fruit Company produces two types of fruit drinks. The first type is 30% pure fruit juice, and the second type is 80% pure fruit juice. The company is attempting to produce a fruit drink that contains 35% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 90 pints of a mixture that is 35% pure fruit juice?
Answer: I- 81 pints, II-9 pints
Step-by-step explanation:
Given
The first type of juice has 30% pure Juice
The second type of juice has 80% pure Juice
The final mixture has 95 pints of 35% pure juice
Suppose we take x pints from the first Juice
So, the second Juice contributes 90-x
for 35% content
[tex]\Rightarrow 35=\dfrac{x\times 30+(90-x)80}{90}\\\\\Rightarrow 3150=30x+7200-80x\\\\\Rightarrow 50x=4050\\\Rightarrow x=81\ \text{pints}[/tex]
First contributes 81 pints. second contributes 9 pints
Find the Laplace transform of the function f(t) = t sin(4t) +1.
The Laplace transform of the function f(t) = t sin(4t) +1 is
L[f(t)] = (4 / (s^2 + 16) + 1) / s
To find the Laplace transform of the function f(t) = t sin(4t) + 1, we can use the linearity property of the Laplace transform.
The Laplace transform of t sin(4t) can be found using the derivative property and the Laplace transform of sin(4t). The derivative property states that if F(s) is the Laplace transform of f(t), then sF(s) is the Laplace transform of f'(t).
Taking the derivative of t sin(4t) with respect to t, we get:
f'(t) = 1⋅sin(4t) + t⋅(4⋅cos(4t))
Now, we can find the Laplace transform of f'(t) using the derivative property:
L[f'(t)] = sL[f(t)] - f(0)
Since f(0) = 0, the Laplace transform becomes:
L[t sin(4t)] = sL[t sin(4t) + 1]
Next, we need to find the Laplace transform of sin(4t). The Laplace transform of sin(at) is [tex]a / (s^2 + a^2)[/tex]. Therefore, the Laplace transform of sin(4t) is [tex]4 / (s^2 + 16).[/tex]
Now, substituting these values into the equation, we have:
sL[t sin(4t)] - 0 = sL[t sin(4t) + 1]
Simplifying, we get:
sL[t sin(4t)] = sL[t sin(4t) + 1]
Dividing both sides by s, we have:
L[t sin(4t)] = L[t sin(4t) + 1] / s
Now, we can substitute the Laplace transform of sin(4t) and simplify further:
[tex]L[t sin(4t)] = (4 / (s^2 + 16) + 1) / s[/tex]
Therefore, the Laplace transform is: [tex]L[f(t)] = (4 / (s^2 + 16) + 1) / s[/tex]
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write solutions to the systems of inequalities that should lie on the double- shade region
Answer:
(1,1) (2,2) (1,2) (1,5) (4,4) (4,5)
there are a lot more but those are some.
Step-by-step explanation:
Express 0.80 as a fraction in its simplest form.
Answer:
4/5
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
0.8
=8/10
=4/5
Arecipe calls for 12 ounces of molasses. The cook gets out a volume measuring container and measures out 12 fluid ounces of molasses a) What assumption did the cook make that was incorrect? b) How much more molasses did the cook add than should have been added?
The cook added 6 ounces more molasses than should have been added since the assumption was wrong.
a) The assumption the cook made that was incorrect was that the volume of molasses is the same as its weight. The cook measured 12 fluid ounces of molasses instead of 12 ounces of molasses by weight. It is assumed that weight and volume are the same, but this is not always the case because the density of different substances varies.
b) The amount of molasses the cook added than should have been added can be calculated by converting 12 fluid ounces of molasses to weight ounces. We can use the density of molasses to calculate the weight. Let's assume the density of molasses is 1.5 ounces per fluid ounce.
Then, the weight of 12 fluid ounces of molasses = 12 fluid ounces × 1.5 ounces/fluid ounce = 18 ounces
The cook added 6 ounces more of molasses than should have been added because:
12 fluid ounces - 12 weight ounces = 6 ounces
Therefore, the cook added 6 ounces more molasses than should have been added.
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PLEASE HELP WILL MARK BRAINLY
.In the zombie apocalypse, the ratio of children to adults was 3 to 4. The ratio
of adults to zombies was 4 to 5. If there were 200 zombies, then how many
children were there?
2. (4^5)(4^−7) = 4^?
3. . What is the circumference and area of the circle? Use 22/7
for π. Radius=42cm
Step-by-step explanation:
diameter is 84 thereare 2 time 42 .84.
follow me nice study bye .
Please help.
Is algebra.
Answer:
question 3= c question 4= a
Step-by-step explanation:
Ms. Contento buys a BMW with an initial value of $45,000. Yearly, the car's
value depreciates by 5%. How much will the car be worth after 8 yours?
find the square root of 8.1 x 10^15
Answer:
9x10^7 is your scienctific notation, which is also 90000000 in expanded form
The cartesian product of two sets P and Q can be written as
Answer:
P x Q
Step-by-step explanation:
The Cartesian product of two sets P and Q can be written as,
P × Q.
What is set?Sets are groups of well-defined objects or components in mathematics. A set is denoted by a capital letter, and the cardinal number of a set is enclosed in a curly bracket to indicate how many members there are in a finite set.
Given:
P and Q are the two sets.
The Cartesian product of two sets P and Q can be written as,
P × Q.
For example,
if A = {1, 2} and B = {3, 4},
then the Cartesian Product of A and B is {(1, 3), (1, 4), (2, 3), (2,4)}.
Therefore, P × Q is the required expression.
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Sams gym charges a one time fee of $60 plus $32 per Session for a personal trainer. the new gym in town a membership fee of $350 plus $20 for each session with a trainer. which inequality would be used to determine X the number of sessions with a personal trainer where is the new gym is the better deal?
Answer: i think $35
Step-by-step explanation: have a great day
PLS HELP ILL GIVE BRAINLEST!!!!!!!!
Answer:
pay back is so good!..
Step-by-step explanation:
help plz plz plz plz plzzz brainliest
Answer: About 4
Step-by-step explanation:
16 divided by 3 2/3 is 4. decimal so round that and about 4 is you’re answer.
Answer:
4 dress will be the max
Step-by-step explanation:
it is a division question
16 yards on a roll ÷ 3⅔ yards of fabric
16÷3⅔
16÷ 11/3
16*3/11
48/11
4.3636.
ratio of the surface area to volume? 280 in² / 300 in³
The ratio of the surface area to the volume is 14/15 in²/in³.
To find the ratio of surface area to volume for a given object, we divide the surface area by the volume. In this case, we have a ratio of 280 in² to 300 in³.
The surface area represents the total area of all the exposed surfaces of the object, while the volume represents the amount of space occupied by the object.
To calculate the ratio, we divide the surface area by the volume:
Ratio = Surface Area / Volume
Ratio = 280 in² / 300 in³
Simplifying the ratio:
Ratio = (280/300) in²/in³
Ratio = (28/30) in²/in³
Ratio = (14/15) in²/in³
Therefore, the ratio of the surface area to the volume is 14/15 in²/in³.
This ratio represents the relationship between the amount of surface area and the amount of volume for the given object. It indicates that, for every 15 cubic inches of volume, there are 14 square inches of surface area.
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Order form least to greatest
0.777, 9/11, 5/9, 65%, 0.714, 83.3%, 0.583, 0.5, 0.75, 4/9
Answer:
4/9, 0.5, 0.583, 5/9, 65%, 0.714, 0.75, 0.777, 9/11, 83.3%!
Step-by-step explanation:
Hope this helps
What is the area of this cross section of this rectangular prism? Enter your answer in the box.
10 in.
16 in.
16 in.
Answer:
1152in²
Step-by-step explanation:
Given the following
Length = 10in
Width = 16in
Height = 16in
surface area of the prism = 2(LW + WH + LH)
surface area of the prism = 2(10*16+ 16*16 + 10*16)
surface area of the prism = 2(160+256+160)
surface area of the prism = 2(576)
surface area of the prism = 1152in²
What is the MAXIMUM amount of a lien that can be claimed by a subcontractor who notifies the lien agent for a two-family residential property on August 1 that the subcontractor first provided labor and materials on the project on May 1? The subcontractor billed the general contractor for $4,000 per month, through September 30, and was never paid.
The maximum amount of a lien that can be claimed by a subcontractor in thisscenario would be $16,000.
Why is this so ?Since the subcontractor first provided labor and materials on May 1 and continued billing the general contractor until September 30 at a rate of $4,000 per month,the total unpaid amount would be $16,000.
This unpaid amount represents the maximum lien claim that the subcontractor can make against the two family residential property.
A lien is a legal claim or right that allows a creditor tohold property as collateral until a debt is paid.
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hey besties i need sum help with this pls
Della is renting a car for the day. The rental
fee (y) is $30 plus $0.25 per mile (m).
Which of the following equations represents
this cost?
(A) y = 0.30m + 25
(B) y = 30m + 0.25
(C) y = 0.25m + 30
(D) y = m(0.25 +30)
Answer: C) y = 0.25m + 30
Step-by-step explanation:
Since the rental fee (y) of the car is $30 plus $0.25 per mile (m), then the cost will be:
= $30 + $0.25(m)
= 30 + 0.25m
For example, to calculate the cost of someone who rented the car and used 20 miles will be:
= 30 + 0.25m
= 30 + 0.25(20)
= 35
Find the area of the figure below, round your answer to the nearest hundredth. (use
3.14 for 7)
15 ft
25 ft
Step-by-step explanation:
[tex]\pi \times {7}^{2} = 3.14 \times 49 = 153.86 \\ 15 \times 25 = 375 \\ 153.86 + 375 = 523.86 \: {ft}^{2} [/tex]
16Acos(x)-Bsin(x)-2Asin(x)+19Bcos(x)=65cos(x) can someone helps me to find the exactly value of A and B ?
The exact values of A and B that satisfy the equation are A = -65/22 and B = 65/11.
To find the exact values of A and B in the equation 16Acos(x) - Bsin(x) - 2Asin(x) + 19Bcos(x) = 65cos(x), we need to equate the coefficients of the corresponding trigonometric functions on both sides of the equation.
Comparing the coefficients of cos(x) on both sides:
16A + 19B = 65 (Equation 1)
Comparing the coefficients of sin(x) on both sides:
-2A - B = 0 (Equation 2)
We now have a system of two equations with two unknowns (A and B). We can solve this system to find the values of A and B.
Let's solve the system of equations:
From Equation 2, we can express B in terms of A:
B = -2A
Substituting this expression for B in Equation 1:
16A + 19(-2A) = 65
16A - 38A = 65
-22A = 65
A = -65/22
Substituting the value of A back into the expression for B:
B = -2A
B = -2(-65/22)
B = 65/11
Therefore, the exact values of A and B that satisfy the equation are:
A = -65/22
B = 65/11
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On a coordinate plane, what is the distance between the point at (8, 7) and the point at (-9, 7)?
Answer:
They are 17 units away from each other!
Step-by-step explanation:
Because they have the same y coordinate, this make us not have to do the formula. To find how far they are away, add the absolute value of each x coordinate. The answer is 17 units.
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Given –9x2 + 4y2 – 18x + 16y – 29 ≤ 0, which graph represents the inequality?
edge2021
Answer:
C.
Step-by-step explanation:
Edge2021
The graph of the answer is plotted and attached.
What is Inequality?Inequality is the mathematical statement formed when two expressions are joined by an inequality operator.
The inequality is –9x² + 4y² – 18x + 16y – 29 ≤ 0,
The inequality represents a hyperbolic inequality.
The graph of inequality is plotted and attached with the answer.
The shaded portion is the representation of inequality.
The shaded portion shows that the graph is a graph of a hyperbola.
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