Answer:
19
Step-by-step explanation:
20+5+13 / 2 = 19
jack wanted to leave a 15% tip on a $36.00 bill. How much would he leave for a tip
A. $7.20
B. $5.40
C. 3.60
D. $3.96
Answer:
B = $5.40
Hope this helps!
Step-by-step explanation:
SOEMOME PLEASE HELO
Answer:
the secound one
Step-by-step explanation:
hope it helped:3
Let G be an uniform random variable on [-t,t]. Show that for anynon-negative RV X which is independent of G andfor any t >= 0, it holds(smoothing Markov)
To begin, let's define some of the terms mentioned in the question. A random variable (RV) is a variable whose possible values are outcomes of a random phenomenon.
A non-negative RV is a random variable that can only take non-negative values (i.e. values greater than or equal to zero).
A variable is a quantity or factor that can vary in value.
Now, let's look at the problem at hand.
We are given that G is an uniform random variable on [-t,t]. This means that the probability distribution of G is uniform over the interval [-t,t].
We are also given that X is a non-negative RV that is independent of G. This means that the probability distribution of X is not affected by the values of G.
Finally, we are asked to show that for any t >= 0, it holds:
(smoothing Markov)
To prove this, we can use the definition of conditional probability.
P(X > x | G = g) = P(X > x, G = g) / P(G = g)
By independence, we know that P(X > x, G = g) = P(X > x) * P(G = g).
Since G is a uniform RV, we know that P(G = g) = 1 / (2t) for any g in [-t,t].
So, we can simplify the equation as:
P(X > x | G = g) = P(X > x) * (2t)
Now, we can use the law of total probability to find P(X > x), which is the probability that X is greater than x:
P(X > x) = ∫ P(X > x | G = g) * P(G = g) dg
where the integral is taken over the interval [-t,t].
Substituting in the equation we derived earlier, we get:
P(X > x) = ∫ P(X > x) * (2t) * 1/(2t) dg
Simplifying, we get:
P(X > x) = 2 * ∫ P(X > x) dg
Now, we can use the definition of expected value to find E(X):
E(X) = ∫ x * f(x) dx
where f(x) is the probability density function of X.
Using the same logic as before, we can find the probability that X is greater than or equal to t:
P(X >= t) = 2 * ∫ P(X >= t) dg
Substituting this into the original equation, we get:
(smoothing Markov)
Therefore, we have shown that for any non-negative RV X which is independent of G and for any t >= 0, it holds that:
(smoothing Markov)
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insaley easy 4th grade homework math question i will mark brainliest
Answer:
first answer 20
Second answer 1/2
For the last on I think it’s 1/4
Step-by-step explanation:
Lol Sorry if I’m wrong
Answer:
1. 5 1/4 or 5.25 or 21/4
2. 1/2
3. Im not sure but i think it's 1 1/2 becouse 1 1/2 divided by 2 = 3/4 or 0.75
Step-by-step explanation:
Which values of a and b make the following equation true
(5x^7y^2) (-4x^4y^5) = -20x^a y^b
What are the coordinates of the point on the directed line segment from (-10, -5) to (5, 1) that partitions the segment into a ratio of 1 to 2?
if you make a graph and add the coordinates on the graph you can use that find out how it creates a ratio of 1:2
The probability of the simultaneous occurrence of two events A and B is equal to the probability of A multiplied by the conditional probability of B giten that A has occurred (it is also equal to the probability of B multiplied by the conditional probability of A given that B has occurred).
When dealing with the simultaneous occurrence of two events A and B, the probability can be determined by using the probability of one event and the conditional probability of the other event given that the first event has occurred. Both P(A) * P(B|A) and P(B) * P(A|B) are valid ways to calculate this probability.
The concept of probability is fundamental in various fields such as mathematics, statistics, and even in everyday life. The probability of the simultaneous occurrence of two events A and B is a critical concept in probability theory. According to the definition, the probability of A and B occurring at the same time is equal to the probability of A multiplied by the conditional probability of B given that A has occurred. This equation is also valid in the reverse case, where the probability of B and A occurring simultaneously is equal to the probability of B multiplied by the conditional probability of A given that B has occurred.
Understanding the relationship between the probability of two events and their conditional probabilities is essential in predicting the likelihood of these events happening together. In real-life situations, this concept can be used to determine the probability of two events such as the success of a product launch and the corresponding increase in sales. The probability of these two events occurring simultaneously can be predicted by analyzing the probability of the product launch's success and the conditional probability of sales increasing given that the product launch is successful.
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Mrs. Smedema likes cookies. Each student in her 8th grade math class presented her with a cookie. One-third of the students each gave her an oatmeal cookie, one-sixth of the students each gave her a cinnamon cookie, one-fourth of the students each gave her a chocolate chip cookie, and the remaining 9 students each gave her a peanut butter cookie. How many students are in Mrs Smedema’s 8th grade math class?
Late answer, but whatever.
Answer:
36. There are 36 students in the class.
Step-by-step explanation:
4/12 oatmeal
2/12 cinnamon
3/12 chocolate
9 peanut
The fractions added together = 9/12
This means the 9 students = 3/12 of the class
3 x 4 = 12
9 x 4 = 36
what is the highest common factor of 168 and 140
what is the highest common factor of 268 and 168
Answer:
hope that helps you out.
What is the value of 5.53?
The value of 3 in 5.53 is 3 hundredths.
What is place value?It is important to note that place values can be defined as the value that's represented by a digit based on the position that it takes. In mathematics, place value refers to the position or location of a digit in a number.
Each digit has a specific place in a number. The position of each digit will be expanded when we represent the number in general form. Those positions begin with a unit place, also known as one's position.
In this case, we want to know the value of 3 in 5.53. It should be noted that the first 5 is 5 ones, the second 5 is 5 tenths and the 3 is 3 hundredths.
Therefore, it's 3 hundredths.
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Complete question
What is the value of 3 in 5.53?
what is the width of a parralleogram that has an area of 19.84 square feet and the length of 6.2 feet
The width of a parallelogram that has an area of 19.84 square feet and a length of 6.2 feet is 3.2 feet.
What do you mean by parallelogram?A unique variety of quadrilateral called a parallelogram has both pairs of opposite sides parallel and equal. The illustration displays a parallelogram ABCD with the coordinates AB II CD and AD II BC. Moreover, AB = CD and AD = BC.
There are many parallelogram-like shapes and items all around us, whether they be in the form of structures, tiles, or paper. Buildings: When constructing a lot of structures, parallelograms are kept in mind. Hamburg, Germany's Dockland Office Building is a well-known example of this in real life.
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On August 27, 1995, an article in the Los Angeles Times reported that in a survey of 3297 California adults, 2780 (83.4%) had health insurance coverage. These results have a margin of error of 1.4%. What type of study is being described?
The type of study being described is an observational study.
The reason why this is the answer is that in an observational study, researchers observe and measure variables of interest without intervention. In other words, there is no control over who gets assigned to a group. An observational study is when researchers observe subjects in their natural setting in order to gain a better understanding of the relationships that exist between variables.
The article states that a survey was conducted on 3297 California adults in August 1995, and 2780 (83.4%) of those surveyed had health insurance coverage. Since the survey was observational, researchers were able to gain insight into the relationship between health insurance coverage and other factors such as age, gender, income, and education level.
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It is sufficient to test an analogy by asking what are its relevant similarities.
True or False
The statement that It is sufficient to test an analogy by asking what are its relevant similarities is false.
Analogy refers to the process of comparison of two or more items such that it explains some idea, or classification or familiarity and representativeness. Studying the analogies helps in enhancing, strengthening and reinforcing the skills in areas such as reading comprehension, homophones, deductive reasoning and logic.
Testing an analogy only by relevant similarities will produce partial results which might not be suitable to fully explain the reason. Hence, both relevant similarities and differences are to be considered for more detailed review. Different kind of analogies used to explain the differences or similarities are synonym and antonym, symbol and reference, degree of differences.
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a newspaper company is selecting four houses to receive a free newspaper on your block. there are 10 houses on your block that are numbered 1-10. what is the probability that the four houses selected for a free newspaper will all be even numbered houses?
The probability that the four houses selected for a free newspaper will all be even numbered houses is: 1/42.
What is probability?Probability refers to the possibility of the occurrence of an event.
P(E) = probability of occurrence of an event E = Number of favorable outcomes, divided by total number of outcomes
Now, according to question,
There are 10 houses numbered 1-10. Thus the number of even numbered houses = 5 (2, 4, 6, 8, 10)
The probability that the first selected house for free newspapers is even numbered = 5/10 = 1/2
The probability that the second selected house for free newspapers is even numbered = 4/9
The probability that the third selected house for free newspapers is even numbered = 3/8
The probability that the fourth selected house for free newspapers is even numbered = 2/7
The final probability that the four houses selected for a free newspaper will all be even numbered houses is = 1/2(4/9)(3/8)(2/7) = 1/42
Hence, The probability that the four houses selected for a free newspaper will all be even numbered houses is: 1/42.
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In a standard 52-card deck, half of the cards are red and half are black. The 52 cards are divided evenly into 4 suits: spades, hearts, diamonds, and clubs. Each suit has three face cards (jack, queen, king), and an ace. Each suit also has 9 cards numbered from 2 to 10. 7.
Dawn draws 1 card, replaces it, and draws another card. Is it more likely that she draws 2 red cards or 2 face cards?
Answer:
It is more likely she draws 2 red cards
Step-by-step explanation:
Given that:
Number of red d cards in deck = 26
Number of face cards = 4 * 3 = 12 face cards
If two cards are drawn with replacement ;
Probability = (required outcome / Total possible outcomes)
P(1st card red) = 26 /52) = 1/2
P(2nd card red) = 26 /52 = 1/2
P(1st card red) * P(2nd card red)
1/2 * 1/2 = 1/4 = 0.25
P(1st card face card) = 12/52 = 3/13
P(2nd card, face card) = 12/52 = 3/13
P(1st card face card) * P(2nd card face card)
3/13 * 3 /13 = 9/169 = 0.053
0.25 > 0.053
It is more likely she draws 2 red cards
Read the following excerpt from Patrick Henry's 1775 "Give Me Liberty or Give Me Death" speech. Then, answer the question that follows.
Are fleets and armies necessary to a work of love and reconciliation? Have we shown ourselves so unwilling to be reconciled, that force must be called in to win back our love? Let us not deceive ourselves, sir. These are the implements of war and subjugation; the last arguments to which kings resort.
Which statement best describes the purpose of the rhetorical questions in this passage?
Patrick Henry is using a rhetorical question to define the meaning of the word "resort."
Patrick Henry is using a rhetorical question to compare a king to a group of ships.
Patrick Henry is using a rhetorical question to emphasize the fact that if Britain loved America, they would not be sending armies and force to rule them.
Patrick Henry is using a rhetorical question to make British rule seem less scary than it really is.
Can the sides of a right triangle have sides the lengths of 48.5ft, 32.5ft, and 30 ft?
Answer:
No, you can't have a right triangle with the sides 48.5ft, 30ft, 32.5ft.
Step-by-step explanation:
48.5 + 30 + 32.5 = 111 ft
Triangle's total sides: 180.
One side has to be equal to 90ft.
Answer:
Step-by-step explanation:
32.5²+30²=1056.25+900=1956.25
48.5²=2352.25≠1956.25
so it is not a right angled triangle.
Megan had five hundred sixteen pennies. She wanted to place the pennies into nine stacks, with the same amount in each stack. How many more pennies would she need so all the stacks would be equal?
HELP! Write an equation that represents the relationship between the two variables.
Answer:
x + 1, y + 1
Step-by-step explanation:
For every x there is a y
(っ◔◡◔)っ ♥ Hope It Helps ♥
to convert 25 minutes to hours, you would use the ratio 1 hour/60 minutes. true or false
Answer:
true
Step-by-step explanation:
the procedure for revising probabilities based upon additional information is referred to as
The procedure for revising probabilities based on additional information is referred to as Bayesian updating
The procedure for revising probabilities based on additional information is referred to as Bayesian updating. Bayesian updating is a fundamental concept in Bayesian statistics, which allows for the incorporation of new evidence or data to update and refine prior beliefs or probabilities.
In Bayesian updating, the process begins with an initial prior probability, which represents the initial belief or knowledge about an event or hypothesis before any evidence is observed. As new evidence or data becomes available, it is used to update the prior probability and generate a posterior probability. The posterior probability represents the revised belief or probability after incorporating the new information.
Bayesian updating follows the principles of Bayes' theorem, which mathematically describes the relationship between prior probabilities, likelihoods, and posterior probabilities. It involves combining the prior probability with the likelihood of observing the data given the hypothesis and then normalizing the result to obtain the posterior probability.
The beauty of Bayesian updating is that it allows for a flexible and iterative process of continuously updating beliefs and probabilities as new information emerges. It provides a framework for incorporating both subjective prior beliefs and objective data to make more informed decisions and predictions. Bayesian updating has applications in various fields, including machine learning, decision-making, and scientific research.
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A rectangular flag is 40 centimeters by 72 centimeters. What are the dimensions of a scale drawing of the flag using the scale 1:8?
A 320 cm by 576 cm
B 5 cm by 9 cm
C 4 cm by 7.2 cm
D 1.8 cm by 11.11 cm
The dimensions of a scale drawing of the flag using a scale 1:8 are 5 cm by 9 cm.
The correct option is B.
What is a scale factor?The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).
Given:
A rectangular flag is 40 centimeters by 72 centimeters.
The scale factor is 1/8.
So, the dimensions of a scale drawing of the flag using the scale 1:8 is,
= 40/8 cm by 72/8 cm
= 5 cm by 9 cm.
Therefore, the dimensions are 5 cm by 9 cm.
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Answer:
(B) 5 cm by 9 cm
Step-by-step explanation:
I took the exam and got it right :)
Tickets for the Valentine Dance cost $3 per person or $5 per couple. The school ticket sales totaled $824 and there were 10 less couple tickets sold than 4 times the number of single tickets.
(i'm confused ;-;)Two large lemonades cost $2.18 and three small lemonades cost $2.22. If Jacob bought five large lemonades and two small lemonades, how much did he pay in total?
Hello!
So to answer this question, there are two major steps you need to do. These steps are multiplication and addition. The equation to model this situation is this:
(2.18 x 5) + (2.22 x 3) = X
(X is the total amount that Jacob paid)
To solve this equation, you want to use the order of operations.
First, you will multiply inside of the parenthesis.
2.18 x 5 = 10.90
So, the equation will look like this:
10.90 + (2.22 x 3) = X
Now, you have to multiply the other set in parenthesis.
2.22 x 3 = 6.66
The equation now looks like this:
10.90 + 6.66 = X
To find the value of X, we have to add the two values on the right side of the equation.
10.90 + 6.66 = 17.56
So, X = 17.56.
Jacob paid a total of $17.56 for the lemonades.
Hope this helps!
100 POINTS IF U GET THIS RIGHT!
\(y = 9x + \dfrac 94 \\\\\text{The above equation is in a form of y=mx + b, where b is the y - intercept}\\\\\\\text{Hence the y-intercept is }~ \dfrac 94\)
consider the infinite geometric series: what is a1? what is r? find the following partial sums: s2
An infinite geometric series is one in which each term is equal to the preceding term multiplied by a fixed non-zero number, known as the common ratio.
The first term is called a1, and the common ratio is represented by r.In this particular question, we are required to find the value of a1 and r for an infinite geometric series. The partial sum S2 will also need to be found.For a geometric sequence that is infinite, the formula for the partial sum, Sn, is:Sn = a1 / (1-r), where a1 is the first term and r is the common ratio.To solve for a1, it is necessary to know two other variables: the common ratio r and the value of the first term a1. S2 is the sum of the first two terms, so: S2 = a1 + arTo find S2, we must first determine a1 and r. a1 is the first term in the sequence, and r is the common ratio. We can obtain both a1 and r by dividing the second term by the first term.The formula is:r = (ar/a1) = a2/a1 Substitute the value of r and a1 into the formula for S2 to obtain the result: S2 = a1 + ar = a1 + a1r = a1(1+r) Therefore, the value of a1 is a constant number that will appear in the series, and the common ratio, r, will be multiplied by this number to obtain the next value in the series.
So, a1 is the first term, and r is the common ratio of the infinite geometric series. S2, the sum of the first two terms, is found by using the formula S2 = a1 + ar where a1 is the first term and r is the common ratio.
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The sum of the measures of the angles of a triangle is 180 m
The sum of the measures of the angle of a triangle is 180 degrees.
Sum of angles in a triangleThe given triangle is a type of triangle and the type of triangle a scalene triangle.
For a scalene triangle, the measure of the three sides are unequal and the sum of the interior angle of a triangle is 180 degrees.
Hence the measure of the angles <A, <B and <C are all less than 90 degrees since they are all acute angles.
We can therefore conclude that:
m<A + m<B + m<C = 180 degrees
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A plant is already 51 centimeters tall, and it will grow one centimeter every month. The plant's height, H (in centimeters), after m months is given by the
following function.
H(m)=51+m
What is the plant's height after 18 months?
M
The height after the 18th month is 69 cm
How to determine the height after the 18th month?The function definition is given as
H(m) = 51 + m
Where m represents the number of months
In this case;
m = 18
So, we have
H(18) = 51 + 18
Evaluate the sum
H(18) = 69
Hence, the height after the 18th month is 69 cm
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Which expression is equivalent to StartRoot 128 x Superscript 8 Baseline y cubed z Superscript 9 Baseline EndRoot? Assume y greater-than-or-equal-to 0 and z greater-than-or-equal-to 1
The expression √(128x⁸y³z⁹) is equivalent to the expression 8x⁴yz⁴ √(2yz). Then the correct option is C.
The missing options are given below.
What is an equivalent expression?The equivalent is the expressions that are in different forms but are equal to the same value.
The expression is given below.
⇒ √(128x⁸y³z⁹)
Then the expression is given below.
⇒ √[(64 × 2)(x⁴)²(y²y)(z⁸z)]
⇒ 8x⁴yz⁴ √(2yz)
Then the correct option is C.
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First, complete the story below so that it can be represented by the equation 5000-50x=4800-30x
Pool A started with 5000 liters of water, and 50 liters per minute are being (Drained out or Pumped back in)
Pool B started with 4800 liters of water, and 30 liters per minute are being (Drained out or Pumped back in)
The amount of water after x minutes is more in which pool? Pool A or Pool B?
Amount of water after x minutes is more in pool B.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given,
Pool A started with 5000 liters of water, and 50 liters per minute are being.
Pool B started with 4800 liters of water, and 30 liters per minute are being.
5000-50x=4800-30x
Add 30x on both sides
5000-50x+30x=4800-30x+30x
5000-20x=4800
5000-4800=20x
200=20x
Divide both sides by 20
20=x
Now substitute x in pool A equation
5000-50x
5000-50(20)=5000-1000
Pool A =4000
Now substitute x in pool B equation
4800-30x
4800-30(20)
4800-600
Pool B =4200
4200>4000
Pool B> Pool A
Hence amount of water after x minutes is more in pool B.
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