The probability of randomly selected student who plays sport given that student is senior is 0.04
P(A) denotes probability of occurring of an event A
P(B) denotes probability of occurring of an event B
P(B/A) is known as condition probability.
The dependent events are the only ones that give rise to the conditional probability P(B/A). The conditional probability of B given that A has happened is provided.
According to this question A denotes as student is senior
B denotes student plays sport.
What is the probability that a randomly selected student plays a sport
given that the student is senior is same as conditional probability.
P(B/A) ->Condition probability of B given that A has happened.
Student is senior given we have to tell about student plays a sport.
P(B/A) = P(A∩B) / P(A)
Given that P(A∩B) = 0.10
P(A) = 0.25
P(B/A) = 0.10/0.25 = 0.4
Given Question is incomplete Complete Question here.
At a high school, the probability that a student is a senior is 0.25. The probability that a student plays a sport is 0.15. The probability that a student is a senior and plays a sport is 0.10. What is the probability that a randomly selected student plays a sport, given that the student is senior?
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~Describe each transformation in words.
12.) _______________________.
The required transformations would carry reflection over the y-axis of the triangle in the given figure.
What is a transformation?A point is transformed when it is moved from where it was originally to a new location. Translation, rotation, reflection, and dilation are examples of different transformations.
The figure is given in the question,
According to the given graph, the required transformations would be as:
In the above illustration, the needed transformations would convey reflection over the y-axis of the triangle.
Thus, the required transformations would carry reflection over the y-axis of the triangle in the given figure.
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(5/6z+5) + (-1/2-4)?
.
Answer: [tex]\frac{5}{6}z+\frac{1}{2}[/tex]
Step-by-step explanation:
[tex]\frac{5}{6}z+5-\frac{1}{2}-4\\\\\frac{5}{6}z+1-\frac{1}{2}\\\\\frac{5}{6}z+\frac{1}{2}[/tex]
What is the equation in slope-intercept form of the line that passes through the point (4, 7) and is parallel to the line represented by y = 2x - 5?
Step-by-step explanation:
please see the attachment
Simplify.
21. 5t(2)(3)
24. 9(8n)
22. 7(a-b+5)
25. 3k+ 6k-12
23. 9y+ 15y-10y
26. 2t + 5m+7t-4m
The simplification of the following expression, are;
21. 5t(2)(3) = 30t
24. 9(8n)= 72n
22. 7(a-b+5)= 7a - 7b + 35
25. 3k+ 6k-12 = 9k - 12
23. 9y+ 15y-10y = 14y
26. 2t + 5m+7t-4m = m + 9t
What is simplification?The procedure in mathematics to utilize and analyze the function or expression to make the function or expression uncomplicated or more coherent is called simplifying and the process is called simplification.
We are given the following expression, we need to simplify all of them;
21. 5t(2)(3)
= 30 t
24. 9(8n)
= 72n
22. 7(a-b+5)
= 7a - 7b + 35
25. 3k+ 6k-12
= 9k - 12
23. 9y+ 15y-10y
= 14y
26. 2t + 5m+7t-4m
= m + 9t
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(100 POINTS) Need some help with this (Detailed Explanation appreciated)
The addition of equality states that "if you add on one side, you must add the same number to the other side."
How do you appreciate someone for great work?To be aware of something, or to understand that something is valuable: [ + that clause ] I appreciate that this is a difficult decision for you. To appreciate something also means to be grateful for something: I appreciated your help very much.Coworker appreciation quotes for being dedicated“Wow thanks for working overtime today, I wouldn't have finished this report without your help! "Your dedication at work doesn't go unnoticed."Thank you for going above and beyond what's required of your job."“Thank you for always representing us with pride!Your answer would be C because 3x-1=26 because -1 and you're solving a math problem -1 would change to positive to cancel out the -1 add 1 to 26 which would be 27 then you would get 3x=27 which would then lead to 3/27 which is 9.3x = 27 This is true, for you add 1 to each side (doing the opposite of PEMDAS to isolate the x)C is your answerWe are summing the 3rd 4th and 5th terms because k goes from 3 to 5
The third term is
-2(3) +5 = -6+5 = -1
The fourth term is
-2(4) + 5 = -8+5 = -3
The fifth term is
-2(5) +5 = -10 +5 = -5
Add these 3 terms together
-1+-3+-5 = -9
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Decide whether enough information is given to prove that the triangles are congruent using the HL Congruence Theorem. Explain.
Answer:
No
Step-by-step explanation:
You want to know if there is enough information to claim ∆PQT ≅ ∆SRT by the HL theorem.
HL theoremThe HL theorem tells you right triangles are congruent if they have one leg (L) and the hypotenuse (H) congruent.
Here, the triangles are not indicated as being right triangles, so the HL theorem cannot be applied.
__
Additional comment
There is not enough information here to permit the triangles to be declared congruent.
For congruence by any theorem, we'd need to know that angle T is the largest angle in each triangle, a condition not supported by the evidence.
Though rarely (if ever) seen in congruence discussions, a claim of SSA congruence can only be supported if the angle (A) is opposite the longest side. When the angle is 90°, this is called the HL congruence theorem. When the angle is known to be obtuse, it will always be opposite the longest side.
When the given angle is opposite the shortest of the two given sides, there are two possible triangles that can be constructed. Hence congruence cannot be guaranteed between two triangles with the same SSA dimensions.
the mean score on a college placement exam is 500 with a standard deviation of 100. ninety-five percent of the test takers score below what value?
The value for which test score is below 95% percent for the given mean and standard deviation on a college placement is equal to 696.
As given in the question,
Given : 95% of the test takers score are below z.
z-score is given by,
z=(x-μ)/σ
Mean of the score 'μ' = 500
Standard deviation of the score ' σ' = 100
Z = 95%
= 0.95
P(z<Z) = 1-0.95
= 0.05
The value of z which corresponds to 0.05 in the table is equal to 1.96.
Substitute all the values we get,
z=(x-μ)/σ
⇒1.96 = ( x - 500 ) / 100
Multiply by 100 both the sides we get,
⇒ 196 = ( x - 500 )
⇒ x = 696
Therefore, the value for which test score is below 95% percent for the given mean and standard deviation is equal to 696.
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1. Which subset of real numbers does
√3 belong to?
The subset of real numbers √3 belong to is irrational numbers
What is a subset ?
If all of the items in a set A are also in a set B, then the sets A and B are subsets of one another. To put it another way, the set A is contained within the set B. A and B stand for the subset connection.
When all the components of Set A are also present in Set B, Set A is said to be a subset of Set B. Alternatively said, Set B contains Set A. Example: If set A contains X and Y and set B contains X, Y, and Z, then set A is a subset of set B because set B also contains X and Y.
As √3 is irrational number
∴it is a subset of real numbers √3 belong to is irrational numbers
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Write the equation of 5x-y=15 after it is reflected in the y-axis and then translated (3 -1)
Answer: y=-5x-1. I need someone to tell me what translating equations is and how to get there.
The equation after the transformation is y = -5x - 1
How to determine the equation after the transformation?From the question, we have the following parameters that can be used in our computation:
Equation: 5x - y = 15
Make y the subject
So, we have
y = 5x + 15
The rule of reflection across the y-axis is
(x, y) = (-x, y)
So, we have the following equation
y = -5x + 15
The rule of translation by (3 -1) is
(x, y) = (x + 3, y - 1)
So, we have the following equation
y = -5(x + 3) + 15 - 1
Expand
y = -5x - 15 + 15 - 1
So, we have
y = -5x - 1
Hence, the equation is y = -5x - 1
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When Mr Norman turns 58, he will be two years older than twice the age his daughter will turn in January. How old is Nicole now?
How do I write down the equation?
Step-by-step explanation:
When Mr Norman turns 58, he will be two years older than twice the age his daughter will turn in January. How old is Nicole now?
equation: 58 = 2d + 2
58 = 2d + 2
subtract 2 from both sides:
56 = 2d
divide both sides by 2:
d = 28 , so his daughter is 28 years old.
- 5(-4) +3(5)| = ?
A. -35
B. -5
C. 5
D. 35
E. 36
please i need help
what is the probability that you are dealt with two queens as private cards? you need not simplify your answer.
The probability that we dealt with two queens as private cards is = 0.0046 .
In the question ,
it is given that ,
the two cards are drawn as private cards,
we have to find the probability that you are dealt with two queens .
the total number of cards in deck is = 52 ,
total number of queens in the deck is = 4 ,
So , the number of ways 2 queens can be drawn from 4 queens is = ⁴C₂ ways .
So , the total number of ways 2 cards can be drawn is = ⁵²C₂
So , the required probability is = ⁴C₂ / ⁵²C₂ .
= 6/1326
= 0.0046
Therefore , the required probability is 0.0046 .
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I need help on my test please help its 7th grade Im just bad at math
For the given inequality 14 - 3f > 2 the option that comes out be correct is
f < 4 i.e option 2.
What is inequality?An inequality in mathematics is a relation that compares two numbers or other mathematical expressions in an unequal way.The majority of the time, size comparisons between two numbers on the number line are made.
Here, "Less than" and "Greater than" have new meanings.
Less-than sign is the symbol for such phrase.
14 - 3f > 2
adding 3f on both sides:
14 - 3f + 3f > 2 + 3f
14 > 2 + 3f
subtracting 2 on both sides:
14 - 2 > 2 + 3f - 2
12 > 3f
dividing 3 on both sides:
(12)/3 > (3f)/3
4 > f
which means f < 4
Therefore, option 2 is correct.
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A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h (t) = 104t-16t^2. After how long will it reach its maximum height?
liters/minute, where t is in minutes since the pump is started. if the holding tank contains 1000 liters of water when the pump is started, approximately how much water does it hold two hours later?
Approximately, water does it hold two hours later is = 248.72 liters
Given that,
The holding tank contains 1000 liters of water
Water does it hold two hours later,
Then,
1) Integrate the function, from t =0 to t = 120 minutes to obtain the number of liters pumped out in the entire interval, and
2) Substract the result from the initial content of the tank (1000 liters).
So
We can write,
Let us assume,
Integral of (6 - 6 [tex]e^{-0.13t}[/tex] ) dt ]from t =0 to t = 120 min
= 6t + 6 [tex]e^{-0.13t}[/tex] / 0.13
= 6t + 46.1538 6 [tex]e^{-0.13t}[/tex] ] from t =0 to t = 120 min
= 6*120 + 46.1538 e^(-0.13*120) - 0 - 46.1538
= 720 + 46.1538 (1.678) - 46.1538
= 720 + 77.44 - 46.1538 liters
= 751.28 liters
2) If the holding tank contains 1000 liters of water,
1000 liters - 751.28 liters = 248.72 liters
Therefore,
Approximately, water does it hold two hours later is = 248.72 liters
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Can someone pls simplify 2x-1/x^2 -2x-3 + 1/x-3
The simplified form of (2x - 1)/(x² - 2x - 3 + 1)/(x - 3) is
(2x - 1)(x - 3)/(x - 1 - √3)(x - 1 + √3).
What is a quadratic equaton?A quadratic equation is an algebraic expression in the form of variables and constants.
A quadratic equation has two roots as its degree is two.
Given, (2x - 1)/(x² - 2x - 3 + 1)/(x - 3).
= (2x - 1)/(x² - 2x - 2)/(x - 3).
= (2x - 1)/(x - 1 - √3)(x - 1 + √3)/(x - 3).
= (2x - 1)(x - 3)/(x - 1 - √3)(x - 1 + √3).
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NUMBER 4 PLEASE THIS IS URGENT
Answer:
its 5
Step-by-step explanation:
Evaluate using the given values.
Answer:
8
Step-by-step explanation:
x^3/3-y
3^3/3-1
27/3-1
9-1
8
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(0.25) to the power of 7 ⋅ 4 to the power of 7
The formula for 7 to the power of 4 is 74 = 7 7 7 7 = 2401.
What is the power of 7 to 4?The formula for 7 to the power of 4 is 74 = 7 7 7 7 = 2401.
To do this, you must multiply both the ordinates and the powers of ten portions of the two numbers (the mantissas).
In mathematics and algebra, multiplying seven occurrences of a given number by themselves yields the number's seventh power.
Consequently, n7 = n n n n n n.
Let's write 7 to the power of 4.0.2 to the power of 4 is 0.0016 one step at a time.
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The ratio of yellow marbles to purple marbles was 13 to 4. If there were 102 marbles in the bag, how many were yellow marbles?
The number of yellow marbles based on the given ratio will be 78.
What are the ratio and proportion?The ratio is the division of the two numbers.
For example, a/b, where a will be the numerator and b will be the denominator.
Proportion is the relation of a variable with another. It could be direct or inverse.
Suppose, the number of yellow marbles is Y while purple marbles are P.
As per the given,
The ratio Y/P = 13/4
Total Y + P = 102
(13/4)P + P = 102
13P + 4P = 408
17P = 408
P = 24
And, Y = 102 - 24 = 78
Hence "The number of yellow marbles based on the given ratio will be 78".
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Josh rented a truck for one day there was a base fee fee of $12 and there was additional charge of 8 cents for each mile driven the total cost (c) for driving x miles is given by the following function
C(x)=12.00+0.08x
what is the total rental cost if Josh drive 20 miles?
Answer:
$13.60
Step-by-step explanation:
You want to evaluate the rental cost function C(x) = 12.00 +0.08x for x = 20.
EvaluationPut the value for x where x is in the cost function and do the arithmetic.
C(x) = 12.00 +0.08x
C(20) = 12.00 +0.08·20 = 12.00 +1.60
C(20) = 13.60
The total rental cost if Josh drives 20 miles is $13.60.
What is the answer to this problem?
Answer:
450x-9000
Step-by-step explanation:
You will be 9,000 dollars in debt, and it costs 300 dollars to make but sells for 750.
750-300 = 450 (profit per desk)
PLS HELP ASAP!!! 50 PTS Consider parallelogram ABCD with vertices A(-6,6), B(0,10), C(2,4), D(-4,0). Classify the parallelogram and select all that apply
ABCD is a square
ABCD is a rectangle
ABCD is a rhombus
ABCD is none of the above
1 cup equals 16 tablespoons. how many tablespoons would be 1/4 cup of sugar
Answer:4 tablespoons
Step-by-step explanation:
1 = 16 tablespoons
1/4 = 4 tablespoons
Take 16 divided by 4 = 4
martin is considering the expressions 1/2(7x+48) and -(1/2x-3). he wants to know if one expression is greater than the other for all values of x. which statement about the relationship between the expressions is true
Part B how did u found your answer to part A
Answer:
2
Step-by-step explanation:
If a segment is drawn perpendicular to a line, the point of intersection is called the ____ of the perpendicular.
Answer: Foot
Step-by-step explanation:
The point of intersection is called the foot of the perpendicular. I remember learning this in my Math class!
Point m is located at (5,-1) on the coordinate plane. Point M is reflected over the y axis to create point M. What ordered pair describes the location of M
The ordered pair that describes the location of M' is (-5, -1)
How to determine the ordered pair that describes the location of M?From the question, we have the following parameters that can be used in our computation:
Point M = (5, -1)
This point can be represented as
(x, y) = (5, -1)
Also, from the question, we have the transformation to be:
Point M is reflected over the y axis
Mathematically, this can be expressed as
(x, y) = (-x, y)
So, we have
Point M' = (-5, -1)
Hence, the image is (-5, -1)
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Graph the arithmetic sequence. -15,0,15,30
To graph a sequence, let a term's position number [tex]n[/tex] in the sequence be [tex]x[/tex]value.
What is an arithmetic sequence?An ordered group of numbers with a shared difference between each succeeding word is known as an arithmetic sequence. For instance, the common difference in the arithmetic series 3, 9, 15, 21, and 27 is 6. An arithmetic progression is another name for an arithmetic sequence.
Starting with a number and repeatedly adding a fixed constant (d) to it is an easy technique to create a series. An arithmetic sequence is this kind of sequence.
Definition: A sequence of the form a, a + d, a + 2d, a + 3d, a + 4d, etc. is an arithmetic sequence.
The term [tex]a_{n}[/tex] is the corresponding y value
Plot the ordered pairs
Make a table then plot the ordered pairs ([tex]n, a_{n}[/tex])
Position, [tex]n[/tex] Term, [tex]a_{n}[/tex] ([tex]n, a_{n}[/tex])
1 -15 (1, -15)
2 0 (2, 0)
3 15 (3, 15)
4 30 (4, 30)
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What is the value of the expression 32.4 ÷ 6?
Group of answer choices
4.4
5.4
6.4
7.4
Answer:
If you divide 32.4 by 6, then you get 5.4 as an answer
A student's course grade is related to class attendance. The grade can be modeled by the equation ý = 0. 66x +33. 3, where ŷ is the student's grade as a percentage
and x is the number of days that the student attended class. For a student who was in attendance for 90 days and has a grade of 94%, find and interpret the residual.
-1. 3; The regression line underpredicts the student's class average.
1. 3; The regression line overpredicts the student's class average.
-1. 3; The regression line overpredicts the student's class average.
1. 3; The regression line underpredicts the student's class average.
For the given modeled of equation ý = 0.66x + 33.3 the interpretation of the residual is given option D. 1.3 The regression line underpredicts the students class average.
As given in the question,
Equation to represents the grade of a students based on class attendance is given by :
ý = 0.66x + 33.3
Where ý is the grade of students in form of percentage.
And 'x' is the students attendance
Actual percentage = 94% when x = 90
Predicted percentage is,
ý = 0.66(90) + 33.3
= 92.7%
Residual = Actual - Predicted
= 94% - 92.7%
= 1.3
Actual > Predicted
Therefore, from the given equation the interpretation of the residual is given by Option D. 1.3 student's class average was underpredicted by the regression line.
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Answer:
DDDDDDDDDD
Step-by-step explanation:
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