Using probability concepts, we calculated that the likelihood that the person plays the clarinet but not the flute is 0.2743.
What is conditional probability?The possibility of an event or outcome occurring based on the existence of a prior event or outcome is known as conditional probability. It is calculated by dividing the likelihood of the previous event by the likelihood of the subsequent, or contingent, event.
Here,
Finding people who can play the clarinet but not the flute is necessary. There are 172 people who can play the clarinet.
There are 47 people who can play both the clarinet and the flute.
As a result, 172-47=125 represents the number of people who can only play the clarinet and not the flute.
Probability(P),
P=( 125 / 350)
P=0.2743.
Therefore, the probability that a single person chosen at random can play clarinet but not flute is 0.2743.
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Four
Four students, Ryan, Angel, Evan and Oliver were
shipwrecked on an island. Having no food they went to
work gathering pineapples. After gathering pineapples,
they were tired and all fell asleep. After another while,
Angel woke up and was very hungry and so she ate 1/3
of the pineapples - more than her proper share.
Shewent back to sleep. Evan woke up and, being
hungry, ate 1/3 of the remaining pineapples and went
back to sleep.Oliver did the same. When Ryan woke up,
he only took his rightful share of the remaining
pineapples. Then there were 6 pineapples left. How
many pineapples did they all gather?
Pineapple originally gather is 27
Quadratic equations are what?
An algebraic equation of the second degree in x is a quadratic equation. The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term.
Step-by-step explanation:
Working Backward strategy
Remaining Pineapple = 3
[tex]\frac{2}{3}x+3=x[/tex]
x=9
Remaining Pineapple now = 9
ATQ [tex]\frac{1}{4}x+9=x[/tex]
x = 12
Remaining Pineapple now = 12
ATQ [tex]\frac{x}{3}+12=x\\[/tex]
x=18
Remaining Pineapple now =18
ATQ [tex]\frac{x}{3}+18=x[/tex]
x=27
hence The ans is 27
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What is an equation of the line that passes through the points (6,2) and (7,1)?
The equation of the line that passes through the points (6,2) and (7,1) is y = -x+8
The points are
(6,2) and (7,1)
The slope of the line is the change in y coordinate with respect to the change in x coordinate of the function.
The slope of the line = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
Substitute the value in the equation
The slope of the line = (1-2) / (7-6)
= -1/1
=-1
The point slope form is
[tex](y-y_1)=m(x-x_1)[/tex]
Choose one point and substitute the values in the equation
y-2 = -1(x-6)
y-2 = -x+6
Move the 2 to right hand side of the equation
y = -x+6+2
y = -x+8
Hence, the equation of the line that passes through the points (6,2) and (7,1) is y = -x+8
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The function f(x) = x2 is graphed above. Which of the graphs below represents the function g(x) = x2 + 3 ?
Using a translation, the graph of the function f(x) = x² + 3 is given by the image at the end of the answer.
What is a translation?Among the many transformations that a function or a figure can undergo is a translation, and other examples are reflections, rotations and dilation.
The difference of a translation from these other transformations is that the only thing that changes for the function is the position. The inclination, orientation and length all remains constant.
The four possible types of a translation are given as follows:
Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.The parent function in this problem is given as follows:
f(x) = x².
Which has the U format of a parabola and a vertex at the origin (3,3).
The translated function is given as follows:
g(x) = x² + 3.
The addition by 3 means that the function was translated up 3 units, as shown in the image given at the end of the answer.
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which is a perfect square 20 13 25 24 14 10 7 11 8
HELPPPP PLSPLSPPSPPPLSPSLPLLSLPSLP
Answer: What do those numbers mean
Step-by-step explanation:
The graph shows how many bottles a machine caps in a certain number of seconds.
(shown in the picture below)
Part A
What is the constant of proportionality, and what does it mean in this situation?
Use the drop-down menus to show and explain your answer.
The constant of proportionality is __ (Choices: 15, 30, 20) ; the machine caps __ (Choices: 30, 20, 15) bottles in ____________ (Choices: 1 second, 1 minute, 15 seconds)
Part B
Which of the following is an ordered pair on the graph? What does it represent in this situation?
A. ) (45, 90); the machine caps 45 bottles in 90 seconds.
B. ) (45, 900); the machine caps 45 bottles in 900 seconds.
C. ) (45, 900); the machine caps 900 bottles in 45 seconds.
D. ) (900, 45); the machine caps 900 bottles in 45 seconds.
Considering the proportional relationship graphed, it is found that:
A. The constant is of 20.
B. A pair on the graph is given as follows: C. ) (45, 900); the machine caps 900 bottles in 45 seconds.
What is a proportional relationship?A proportional relationship is a linear function with intercept zero in which the output variable y is given by the multiplication of the input variable x and the constant k, as follows:
y = kx.
Considering point (15, 300) on the graph presented, the constant is calculated as follows:
300 = 15k
15k = 300
k = 300/15
k = 20.
The input and the output are given as follows:
Input: number of seconds.Output: number of bottles capped.Hence option C is the correct option for item 2.
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you're planning on making 5 meatloafs for a party. you go to the store to buy breadcrumbs, and see they are sold by the canister. how many canisters do you need to buy?
Without decimal, 4 canisters need to buy for making 5 meatloafs for party or if answer in decimal values needed then it is 3.333 canisters.
From the provided data, we have
number of meatloafs = 5
Here we have need the cup measurements the number of meatloafs made per recipe and the net weight of canister.
net weight of the contents of 1 canister = 15 ounces
1 cup = 8 ounces
1.25 cups = 10 ounces
10 ounces of breadcrumbs makes 1 meatoafs.
but we made 5 meatloafs so, for 5 meatloaf needed breadcrumbs = 5×10
= 50
If we consider 4 canisters then
15ounces × 4 canisters = 60 ounces which are 10 more than the needed ( > 50 ounces.
and if we are consider 3 canisters then
15 ounces × 3 canisters = 45 ounces which is not enough.
So, we need 4 canisters of breadcrumbs and we will have 2/3 of a canister left over.
approximately 3.333 is a value of needed canisters in decimals values. If decimal values are not need ,i.e, whole are canisters are not partial then 4 canisters is right .
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Complete question:
you're planning on making 5 meatloafs for a party. you go to the store to buy breadcrumbs, and see they are sold by the canister. how many canisters do you need to buy?
First, determine what information you need to answer this question, then click here to display that info (along with other info).
How much breadcrumbs does the recipe call for? It calls for 1 1/4 cups of breadcrumbs. How many meatloafs does the recipe make? It makes 1 meatloaf.
How many servings does that recipe make? It says it serves 10.
How big is the canister? It is cylindrical, 3.5 inches across and 7 inches tall.
What is the net weight of the contents of 1 canister? 15 ounces.
How much does a canister cost? $2.39
How much does a cup of breadcrumbs weigh? I'm not sure, but maybe something from the nutritional label will help.
Solve for v in terms of u and w.
u= –vw
If the area of the rectangle is 42 square units, what is the area of the shaded part?
Answer: 16
Step-by-step explanation:
The first triangle has an area of [tex]\frac{1}{2}(7)(2)=7[/tex].
The second triangle has an area of [tex]\frac{1}{2}(6)(3)=9[/tex].
Adding these areas together yields an area of 16.
What is the value of -2|6x - y| when x = -3 and y = 4?
O-44
O-28
O 28
O 44
Answer:
-44
Step-by-step explanation:
-2|6 * -3 - 4|
-2|-18-4|
-2|-22|
-2 * 22
-44
a person must score in the upper 4% of the population on an iq test to qualify for membership in mensa, the international high iq society, if iq scores are normally distributed with a mean of 100 and a standard deviation of 15, what score must a person have to qualify for mensa. (2 decimals)
A person must have a score of 126.26 to qualify Mensa.
it is given that,
Mean [tex](\mu) = 100,[/tex]
Standard deviation [tex](\sigma) = 15[/tex].
A person must score in the upper 4% of the population,
100% - 4% = 96% = 0.96
P(X < Xo) = 96% = 0.96
P(X < 1.7507) = 0.96 ....................................using the Normal distribution table,
Or, when the Invnorm function is used, Invnorm(0.96) = 1.7507
Therefore, The required value of X is,
[tex]Z = \frac{(X - \mu )}{ \sigma }[/tex]
1.7507 = (X - 100) / 15
X - 100 = 26.26
X = 100 + 26.26
X = 126.26
thus, the score a person must have to qualify Mensa is 126.26.
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The expressions 25x−(6x+12) and (25x−6x)+12 are
The expressions 25x−(6x+12) and (25x−6x)+12 are equivalent expressions.
In this question we have been given two expressions 25x−(6x+12) and (25x−6x)+12
We know that the associative property of addition.
For any real numbers a, b, c
a + (b + c) = (a + b) + c
Consider an expression,
25x − (6x + 12)
= (25x - 6x) + 12 ..........(Associative property)
Therefore, the expressions 25x−(6x+12) and (25x−6x)+12 are equivalent expressions.
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Use the diagram. What is measure angle 2 + measure angle 3?
Enter the correct value in the box.
measure angle 2 + measure angle 3 = ?
Answer:
The red symbol drawn over ∠2 and ∠3 indicates that the two angles total 90°. Therefore:
[tex]m\angle{2}+m\angle{3}=90^{\circ}[/tex]
The shaded area of the square above is what fraction of the entire square?
The fraction of the entire square that is shaded is 2/5.
What fraction of the entire square is shaded?A square is a two dimensional object that four sides that are of equal length. This means that the dimensions of the length and the width have the same value. A square has two diagonals that bisect each other at 90°.
A fraction is a non-integer that has a numerator and a denominator. The numerator is the number above and the denominator is the number below. An example of a fraction is 1/2.
Fraction = number of shaded squares / total number of squares
16 / 40
When expressed in its simplest form, the fraction becomes 2/5.
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Daquin finished 30% of his homework in 27 minutes. How many minutes will it take him to finish the rest of his homework?.
In 27 minutes, Daquin completed 30% of his schoolwork. He must therefore finish another 70% of her homework.
We must multiply both sides of the equation by 3 to see how long it takes Daquin to finish 10% of the homework. It takes her 9 minutes.
We simply need to multiply our time estimate by seven to determine how long it will take her to complete the remaining 70% of her homework.
9 minutes are required for 10% of the homework.
63 minutes are required to complete 70% of the homework.
% finished equals 30%
Duration: 27 minutes
70% of the homework is still to be done.
Time required for the remaining task is 70/30 divided by 27 is equal to 63 minutes.
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Sherry has 15,200 dollars to invest in mutual funds and in bonds. Sherry has selected a mutual fund that earns 1% a year and a bond that earns 4% a year. If she wants to earn 548 at the end of the first year, how much does she need to invest in each type of account?
PLEASE ANSWER ILL DO ANYTHING. Like give brainliest mark, etc.
Sherry needs to invest 2000$ in mutual fund and 13200$ in bond to earn 548$ at the end of the year.
What is percentage?A percentage is just one of the many ways that a number, ratio, or fraction can be expressed. It is a number or ratio expressed as a fraction of 100.
Given:
Sherry has 15200$ to invest in mutual funds and in bonds.
Sherry has selected a mutual fund that earns 1% a year and a bond that earns 4% a year.
Here we need to find how much does she need to invest in each type of account if she wants to earn 548 at the end of the first year.
Here we have total amount = 15200$
So, let us consider x be the amount invested in mutual funds, then the amount invested in bonds will be 15200 - x.
It can be written in the following matrix
[x 15200-x ]
We know that the total amount earned at the end of the year is 548.
So, it can be written as
amount invested x percentage = final amount
[tex]\left[\begin{array}{cc}x&15200-x\\\\\end{array}\right][/tex]*[tex]\left[\begin{array}{ccc}1/100\\4/100\\\end{array}\right][/tex] = 548
We can simply it as
[x*1/100 + (15200 - x)*4/100] = 548
⇒ x/100 + 60800/100 - 4x/100 = 548
⇒ x + 60800 - 4x = 54800
⇒ -3x = 54800 - 60800
⇒ -3x = -6000
⇒ x = 2000
⇒ 15200 - 2000 = 13200
Therefore, Sherry invests 2000$ in mutual funds and 13200$ in bond to earn 548 at the end of the year.
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What is 27/31 in its simplest form
Answer:
27/31
Step-by-step explanation:
PLEASE HELP!
6) You are playing a game with your friend that involves dice and 10 cards numbered 1-10.
a) If you were to roll the dice and pick a random card, what is the probability of rolling a 4 and picking a 4 from the numbered deck of cards?
b) If you draw 3 cards from the deck of numbered cards (without replacement) what is the probability of drawing 3 even cards?
c) If you roll a die 3 times, what is the probability of rolling 3 even numbers?
d) At one point you start rolling the die and recording your results. You suddenly realized that for the last 30 rolls of the die you have rolled an even number! What is the probability that your 31st roll is also an even number?
Answer:
1-10.
Step-by-step explanation:
a police car is located 70 feet to the side of a straight road. a red car is driving along the road in the direction of the police car and is 90 feet up the road from the location of the police car. the police radar reads that the distance between the police car and the red car is decreasing at a rate of 75 feet per second. how fast is the red car actually traveling along the road?
The speed of 213.25 mph is the red car actually traveling along the road.
What is speed?
The definition of speed is the pace of movement of an object (covering a particular distance). It defines only the magnitude and not the direction, making it a scalar quantity.
The meter per second (m/s) unit of speed is taken from the SI.
let distance between the police and red cars = h
distance from the red car to a point horizontal to the police car = a
distance from from the road to the police car = b
=>[tex]h^2=a^2+b^2[/tex]
take the derivative with respect to time
=>hh' = aa' + bb' b'=0
=>174.64(75) = 90a'
=>a' = 174.64(75)/90 = 145.4ft/sec
=>145.4ft/sec = 145.4(5280)/60^2 = about 213.25 mph
Here ,1 mile = 5280 feet
=>1 hour = 60 minutes x 60 seconds = 3600 seconds
=>1 mile per hour = 5280 feet per 3600 seconds
=>1 foot per second = 5280/3600 mph = 1.4666...mph
=>145.4x 1.4666... = 213.25 mph
Hence 213.25 mph speed is the red car actually traveling along the road.
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if g(x) = x^2 - 4x find the value for g(2n)
Answer: [tex]g(2n)=4n^2 -8n[/tex]
Step-by-step explanation:
Substituting [tex]2n[/tex] for [tex]x[/tex],
[tex]g(2n)=(2n)^2 -4(2n)\\\\g(2n)=4n^2 -8n[/tex]
What is the degree of the following
polynomial:
3x^5 + 4x^3 + 8x^2 - 14x +9
Answer:
Step-by-step explanation:
Here is an example:
Use this step by step explanation in your equation to help you find the answer.
For polynomial 2x2 - 3x5 + 5x6.
We observe that the above polynomial has three terms. Here the first term is 2x2, the second term is -3x5 and the third term is 5x6.
Now we will determine the exponent of each term.
(i) the exponent of the first term 2x2 = 2
(ii) the exponent of the second term 3x5 = 5
(iii) the exponent of the third term 5x6 = 6
Since, the greatest exponent is 6, the degree of 2x2 - 3x5 + 5x6 is also 6.
Therefore, the degree of the polynomial 2x2 - 3x5 + 5x6 = 6.
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The length and width of a rectangle that maximises the enclosed area are 162.5 yards. The maximum area is 26,406.25 square yards.
In the given question we have to find the maximum area of the rectangular area.
A farmer with 650 meters of fencing wants to enclose a rectangle plot that border on a river.
As we know that the perimeter of rectangle
P= 2(l+b)
Let length of the rectangle is x yards and width is y yards.
So the equation should be
2(x+y) = 650
Divide by 2 on both side we get
x+y = 325................(1)
From the area of rectangle is
A = xy
From the equation the value of y is 325-x.
Now putting the value of y
A = x(325-x)
A = 325x-x^2
On differentiating
dA/dx = 325-2x
Putting dA/dx=0
325-2x=0
Subtract 325 on both side we get
-2x= -325
Divide by -2 on both side we get
x = 162.5 yards
Now putting the value of x in the y=325-x
y=325-162.5
y=162.5 yards
So the maximum area is
A= 162.5*162.5
A= 26,406.25 square yards
Hence, the length and width of a rectangle that maximises the enclosed area are 162.5 yards. 26,406.25 square yards is the maximum area.
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Estimate √700 to one decimal place.
Answer:26.5
Step-by-step explanation:
What is the slope of the line that contains points (2, 9) and (8, 7)?
Answer:
-1/3
Step-by-step explanation:
m = y2-y1/x2-x1 formula for slope
m = 7-9/8-2 Plug in the numbers
m = -2/6 Subtract 7-9 and 8-2
m = -1/3 Simplify
The equation of line s is y=3/5x2/5 Line t, which is parallel to line s, includes the point
(2, 1). What is the equation of line t?
Write the equation in slope-intercept form. Write the numbers in the equation as simplified
proper fractions, improper fractions, or integers.
8
The equation of line t in slope intercept form is 5y - 3x = -1
The equation of line s is y=3/5x + 2/5
This is in the slope intercept form
y = mx + c
where m represents the slope of the line
The slope of the line y=3/5x + 2/5 is 3/5
The slope of two parallel line is same
The slope of line t is 3/5, it passes through the points (2, 1)
The equation of the line is
y - y₁ = m(x - x₁)
y - 1 = 3/5 (x - 2)
5y - 5 = 3x - 6
5y - 3x = -6 + 5
5y = 3x -1
y = 3/5 x - 1/5
Therefore, the equation of line t in slope intercept form is 5y - 3x = -1
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Juliana makes a prism 4 inches across and 4 inches wide but only 1 inch tall. She then decides to create
layers equal to her first one. Fill in the chart below, and explain how you know the volume of each new
prism.
Number of
Layers
3
5
7
Volume
Explanation
The volume of prism with 1 layer=16 inch³; The volume of prism with 3 layer=48 inch³;The volume of prism with 5 layer=80 inch³;The volume of prism with 7 layer=112 inch³.
What is volume?The total amount of space an object occupies in three dimensions is indicated by its volume. The term "capacity" describes something's ability to hold, absorb, or receive by an object .
Here,
Since each layer is of 1 inch.
So the volume of first prism,
=4*4*1
=16 inch³
When there is 3 layer, so the height is 3 inch,
=4*4*3
=48 inch³
When there is 5 layer, so the height is 5 inch,
=4*4*5
=80 inch³
When there is 7 layer, so the height is 7 inch,
=4*4*7
=112 inch³
The volume of a prism with one layer is equal to 16 inch³; with three layers, it is 48 inch³; with five layers, it is 80 inch³; and with seven layers, it is 112 inch³.
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If x²+kx+16/9 is a perfect square. Find the value of k
Answer:
For x² + kx + 16/9 to be a perfect square, k should be equal to 8/3
Step-by-step explanation:
If x² + kx + 16/9 is a perfect square then it must satisfy the formula of (a + b)² i.e. equal to a² + 2ab + b².
So, first we will form a equal that looks similar to the formula:
[tex] \rm \implies {x}^{2} + kx + \dfrac{4 \times 4}{3 \times 3} \\ \\ \rm \implies {x}^{2} + kx + { \bigg( \dfrac{4}{3} } \bigg)^{2} [/tex]
Now by comparing we get,
[tex] \rm \implies k \cancel{x} = 2 \times \cancel{x}\times \frac{4}{3} \\ \\ \rm \implies k = \dfrac{8}{3} [/tex]
Ben watched 3/8 of his television show. There are still 40 minutes left. How long does the whole program last?
The show is 1 hour 4 minutes long.
What is Algebra?A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.
Variables are the name given to these symbols because they lack set values.
In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.
Given:
Ben watched 3/8 of his television show.
There are still 40 minutes left.
let the show be x long.
So, 3/8x + 40 = x
x- 3/8x= 40
5x/8 = 40
x= 320/5
x= 64 minutes
x= 1 hour 4 minutes
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Forty students in the second grade class listed their hair and eye colors in the table below:
Brown hair Blonde hair Total
Blue Eyes 5 12 17
Brown Eyes 16 7 23
21 19 40
Are the events “blonde hair” and “brown eyes” independent?
The events “blonde hair” and “brown eyes” are not independent.
What are independent events?
The term "independent events" refers to those whose occurrence is not reliant on another event.
When two events A and B are independent then the intersection of the two events is equal to zero. i.e. They do not have any element in common.
But from the given table we can see that the intersection of the events of "blonde hair" and "brown eyes" exists.
Therefore, the events "blonde hair" and "brown eyes" are not independent.
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The linear equation y = negative 2 x + 4 is represented on the graph below.
On a coordinate plane, a line goes through (0, 4) and (2, 0).
A second linear equation is represented by the data in the table.
x
y
–4
–3
0
–1
2
0
6
2
What is the solution to the system of equations?
(2, 0)
(0, 4)
(0, –1)
(4, –4)
The solution to the system of equations will be;
⇒ (2, 0)
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The first equation is,
y = - 2x + 4
And, A line goes through (0, 4) and (2, 0).
Now,
For the second linear equation;
The coordinates are,
(-4, -3) (0, -1) , (2, 0) , (6, 2)
Hence, The equation of line passes through the points (-4, -3) and (0, -1).
So, We need to find the slope of the line.
Hence, Slope of the line is,
m = (y₂ - y₁) / (x₂ - x₁)
m = (- 1 - (-3)) / (0 - (-4))
m = 2 / 4
m = 1/2
Thus, The equation of line with slope 1/2 is,
⇒ y - (-3)= 1/2 (x - (-4))
⇒ y + 3 = 1/2 (x + 4)
⇒ y = 1/2x + 2 - 3
⇒ y = 1/2x - 1
Now, We find the value of system of equations;
y = - 2x + 4
y = 1/2x - 1
Solve both above equation, we get;
1/2x - 1 = - 2x + 4
1/2x + 2x = 4 + 1
5/2x = 5
x = 2
And, y = 1/2 (2) - 1 = 0
Thus, The solution to the system of equations will be;
⇒ (2, 0)
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Answer:
A
Step-by-step explanation:
Help me find one possible solution to the inequality and show how it makes sense in the situation.
A yearbook company promises to give the junior class a picnic if they spend at least $28,000 on yearbooks and class rings. Each yearbook costs $35, and each class ring costs $140. How many yearbooks and class rings must the junior class buy to get their picnic?
here is the inequality: 35x + 140y ≥ 2800
Answer:A - 200
B - 1 Class Ring and 796 yearbooks
C - No, they would come up short 2800 dollars
Step-by-step explanation: