Answers
======================================================
Explanation:
Pick any two rows from the table. I'll pick the first two rows
x = -8 and y = 10
x = 0 and y = 8
Those two rows form the points (x1,y1) = (-8,10) and (x2,y2) = (0,8)
They are then plugged into the slope formula to get...
m = (y2-y1)/(x2-x1)
m = (8-10)/(0-(-8))
m = (8-10)/(0+8)
m = -2/8
m = -1/4
The slope or rate of change is -1/4
---------
This means that each time x goes up by 4, y goes up by 1, since
slope = rise/run = -1/4
rise/run = -1/4
rise = -1 means we go down 1
run = 4 means we move to the right 4 units.
Related Questions
what type of military equipment have the u.s. and germany been in the news for sending as aid to ukraine?A. CentiB. MiliC. MikroD. Nano
Answers
Germany and the US are sending tanks to Ukraine as a show of support for the government in Kyiv, with Germany sending 14 Leopard 2 tanks & the US delivering 31 Abrams in the coming months.
The rationale behind this military aid is to demonstrate solidarity with Ukraine in its ongoing conflict with Russia & to bolster its military capabilities in the face of aggression. This move is seen as a signal to Russia that the international community will not tolerate further military incursions into Ukrainian territory and is committed to supporting Ukraine's sovereignty & territorial integrity. It is also hoped that this aid will help stabilize the situation in Ukraine and bring about a peaceful resolution to the conflict.
Centi, mili, micro and nano are not types of military equipment. Centi, mili, micro and nano are units of measurement used in the metric system.
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-2x-+5x-9
3x-13
simplify the expression
Answers
Answer:
(-2x)-5x-9 = (-7x)-9
3x - 13 = 3x - 13 (you cannot simplify more)
Your question was wery wierd but i tried to answer best I could.
And also I dont know what you mean about "-+5"
Answer:
(-7x-9)+(3x-13)= -4x-22
Simplify the first one -2x-(5x)-9= -7x-9
Put the thing together that fit (Add the terms together)
:)Hope you enjoy this:)Kailynn has been on a roll, and solving 5 math problems every 2.5 minutes. At this rae, how many problem will she solve in 30 minutes.
Answers
Answer:
60 math problems.
Step-by-step explanation:
30/2.5=12
12*5=60
Sophia spends a total of $6.30 on cheese. She buys 500g of Cheddar cheese and 200g of Stilton cheese. The cost of the Cheddar cheese is $9.20 for 1kg. Work out the cost of 1kg of the Stilton cheese
Answers
Answer:
The price would be 7.20
Step-by-step explanation:
When the weight is greater than 15 pounds, the cost will be greater than $10.
Answers
Answer:
muy bien ami si me funciono la pregunta
If y is the altitude in feet and
x is time in minutes,
Use the equation:
y = -2000x + 30,000
to find a plane's altitude at
5 minutes.
PLEASE ANSWER
Answers
Answer: To find the plane's altitude at 5 minutes, we can substitute x = 5 into the equation:
y = -2000x + 30,000
y = -2000 * 5 + 30,000
y = -10,000 + 30,000
y = 20,000
So the plane's altitude at 5 minutes is 20,000 feet.
Step-by-step explanation:
Nathan has four brown teddy bears, 5 pink teddy bears and 3 red teddy bears in his shop. Two teddy bears are bought, one at a time. What is the probability that both teddy bears were brown?
Answers
Answer:
2
Step-by-step explanation:
If someone can do this whole thing for me I will give brainiest.
Answers
Answer:
A= x r^2
A= x r x r
r means radius
The value of pi() is 3.14
r^2 means radius x radius
Substitute the radius for r: A= x 7^2
Square the radius: 7 x 7= 49
Area in terms of pi(): 49
Area in terms of square inches: 153.86 in^2
Divide the diameter by 2: 12 ÷ 2= 6
Substitute the radius for r: A= x 6^2
Square the radius: 6 x 6= 36
Area in terms of pi(): 36
Area in terms of square inches: 113.04 in^2
Step-by-step explanation:
IS THERE ANYONE WHO HASNT GOT ANYTHING TO DO AT THE MOMENT BECAUSE I NEED HELP!!! :(
Answers
Answer:
me
Step-by-step explanation:
Answer:
I can try to help whats ur question?
A real estate agent, working entirely on commission, makes a weekly average of $850 with da
standard deviation of $260 selling property in the city, and an average of $1340 with a standard
deviation of $390 selling property in the suburbs. Assuming independence, what are the mean and
standard deviation of her total weekly sales?
Answers
If the real estate agent's average weekly sales are $850 in the city and $1340 in the suburbs, then her total average weekly sales are $850 + $1340 = $2190.
The standard deviation of her weekly sales in the city is $260, and the standard deviation of her weekly sales in the suburbs is $390. If the sales in the city and the suburbs are independent, then the standard deviation of her total weekly sales is the square root of the sum of the squares of the standard deviations of her weekly sales in the city and the suburbs, which is the square root of $260^2 + $390^2 = $67600 + $152100 = $219100. This is equal to $468.
Therefore, the mean and standard deviation of the real estate agent's total weekly sales are $2190 and $468, respectively.
You work in Social Media as a consultant. You are working on a new report to examine trends in Social Media usage and age. You conducted a survey of 1072 people randomly selected in the United States (you limited minimum age to 12). The file "Usagef.xlsx" has results of the survey. For each Social Media platform you have a 0/1 variable indicating whether or not the person said they used the platform in the last 6 months. For each of those variables, 1 means the person did use the platform in the last 6 months and 0 means they did not. You also have the age of each respondent calculated based on birth date (so 43.56 means the individual is 43.56 years old). There are two additional variables:
Young adult: 1=respondent is under 35; 0=respondent is 35 or over.
Platforms Used: The total number of Social Media platforms used in the last 6 months.
Please use this information and the data in the excel spreadsheet "Usagef.xlsx" to answer the following questions:
Assuming the sample is a random sample of the U.S. population, what is the upper bound of the 95% confidence interval for the average age in the U.S?
Answers
The upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
To determine the upper bound of the 95% confidence interval for the average age in the U.S., we can use the sample data from the survey. The sample size is 1072 people, randomly selected from the U.S. population, with a minimum age of 12. By calculating the average age of the respondents, we can estimate the average age of the entire U.S. population.
Using the given information that the average age of the respondents is 43.56 years, and assuming that the sample is representative of the population, we can calculate the standard error. The standard error measures the variability of the sample mean and indicates how much the sample mean might deviate from the population mean.
Using statistical methods, we can calculate the standard error and construct a confidence interval around the sample mean. The upper bound of the 95% confidence interval represents the highest plausible value for the population average age based on the sample data.
Therefore, based on the provided information and calculations, the upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
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Factor the expression 8x + 12 using the GCF.
8x + 12 =
Answers
Answer:
4(2x+3)
Step-by-step explanation:
Because 4 is the GCF
the gnollish language consists of $3$ words, ``splargh,'' ``glumph,'' and ``amr.'' in a sentence, ``splargh'' cannot come directly before ``glumph''; all other sentences are grammatically correct (including sentences with repeated words). how many valid $3$-word sentences are there in gnollish?
Answers
There are $22$ valid $3$-word sentences in gnollish.
We can count the number of valid sentences by counting the number of all possible 3-word sentences and subtracting the number of invalid sentences where "splargh'' comes directly before "glumph.''
The total number of possible 3-word sentences is 3³ = 27, as there are 3 choices for each word.
To count the number of invalid sentences where splargh'' comes before glumph,'' we can fix splargh'' in the first position and then there are only 2 choices for the second position and 2 choices for the third position (since we cannot use splargh'' or glumph'' again). Thus, there are 2 * 2 = 4 invalid sentences where splargh'' comes before ``glumph.''
Therefore, the number of valid sentences is 27 - 4 = 23. However, we must also exclude the sentence where all three words are the same (i.e., ``splargh splargh splargh''), since this sentence is not valid according to the given condition. Thus, the final answer is 23 - 1 = 22.
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Write and solve an inequality that represents the number of apples, x, you can buy if each apple costs .75 cents and you have to spend less than $9.
Answers
Answer:
0.75x<9
Step-by-step explanation:
0.75x<9
0.75/0.75x < 9/0.75
x<12
This is the thing that I need help on pls helpppp
Answers
Answer:
144 in^2
Step-by-step explanation:
Using the A = s^2 and the text says that s= 12in
the answer is 12 in * 12 in = 144 in^2
You fill up your car's gas tank with $18.56 worth of gas. You pay the
cashier $20.00.
Answers
Answer:
You are left with $1.44
Step-by-step explanation:
Subtract the amount of money you payed to how much the cost actually was to get your answer.
Guillermo is a professional deep water free diver. His altitude (in meters relative to sea level), xxx seconds after diving, is modeled by g(x)=\dfrac{1}{20}x(x-100)g(x)= 20 1 x(x−100)g, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided by, 20, end fraction, x, left parenthesis, x, minus, 100, right parenthesis How many seconds after diving will Guillermo reach his lowest altitude?
Answers
Answer: 140
Step-by-step explanation:
Answer: 50
Step-by-step explanation:
Khan academy answer
e ohio lottery has a game called pick 4 where a player pays $1 and picks a four-digit number. if the four numbers come up in the order you picked, then you win $3900. a) write the probability distribution for a player's winnings. fill in the table below. for the computer to grade this one correctly make sure that your x values are from smallest to largest.
Answers
The probability of winning $3,899 is 0.0001, which is a very small probability, but still possible.
To write the probability distribution for a player's winnings in the Pick 4 game, we need to consider all the possible outcomes and their probabilities.
There are a total of 10,000 possible four-digit numbers that can be drawn in the game. Since the player has to match the numbers in the exact order, there is only one winning combination for each four-digit number. Therefore, the probability of winning is 1/10,000.
To calculate the player's winnings, we need to subtract the $1 cost of playing from the $3,900 prize. Thus, the player's net winnings can be calculated as follows:
Net Winnings = $3,900 - $1 = $3,899
The probability distribution for the player's winnings can be summarized in the following table:
| Winnings (x) | Probability (P) |
|--------------|-----------------|
| $0 | 0.9999 |
| $3,899 | 0.0001 |
Note that the table shows the possible winnings (x) in ascending order, as requested. The probability of winning $0 is 0.9999, which means that the player is most likely to lose their $1 bet.
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uke has blue and red balls. Every day, he wins 2 blue balls and loses 3 red ones. After 5 days, he has the same amount of blue as red. After 9 days, he has twice as many blues as reds. How many red balls did he have at the beginning? Question not Showing?
Answers
A. The number of red balls he had was 8 at the beginning.
Duke's starting red ball total can be found by setting up a system of equations. First, let x represent the number of red balls and y represent the number of blue balls.
After 5 days, the equation is x-15=y+10. This equation states that after 5 days, the number of red balls (x) minus 15 will equal the number of blue balls (y) plus 10. After 9 days, the equation is x-27=2y+20.
This equation states that after 9 days, the number of red balls (x) minus 27 will equal twice the number of blue balls (y) plus 20. To solve for x, both equations can be set equal to each other and solved. This results in x=8. Therefore, Duke had 8 red balls at the beginning.
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Determine the relationship between the two triangles and whether or not they can be
proven to be congruent.
The two triangles are related by
y, so the triangles
Answers
Answer:
they can be proven to be congruent as they have 2 sides and 1 angle equal
so they are congruent by SAS rule
Answer:
they are CONGRUENT by S.A.S.axiom.
What is the volume of a hemisphere with a radius of 6.1 ft, rounded to the nearest
tenth of a cubic foot?
Answers
Answer:
\(V_{sm}=475.4\ ft^3\)
Step-by-step explanation:
Hemisphere
It's defined as half of a sphere. The volume of a sphere is:
\(\displaystyle V_s=\frac{4}{3}\pi r^3\)
Thus, the volume of a semisphere is half of that:
\(\displaystyle V_{sm}=\frac{2}{3}\pi r^3\)
We know the radius is r=6.1 ft, thus:
\(\displaystyle V_{sm}=\frac{2}{3}\pi\cdot (6.1)^3\)
\(V_{sm}=475.38789\ ft^3\)
Rounded to the nearest tenth:
\(\boxed{V_{sm}=475.4\ ft^3}\)
Express each of these statment using quantifires :
a) every student in this classes has taken exactly two mathematics classes at this school.
b) someone has visited every country in the world except Libya
Answers
Using quantifiers; a) ∀ student ∈ this class, ∃ exactly 2 mathematics classes ∈ this school that the student has taken and b) ∃ person, ∀ country ∈ the world (country ≠ Libya), the person has visited that country.
a) "Every student in this class has taken exactly two mathematics classes at this school."
In this statement, we have two main quantifiers:
Universal quantifier (∀): This quantifier denotes that we are making a statement about every individual student in the class. It indicates that the following condition applies to each and every student.
Existential quantifier (∃): This quantifier indicates the existence of something. In this case, it asserts that there exists exactly two mathematics classes at this school that each student has taken.
So, when we combine these quantifiers and their respective conditions, we get the statement: "For every student in this class, there exists exactly two mathematics classes at this school that the student has taken."
b) "Someone has visited every country in the world except Libya."
In this statement, we also have two main quantifiers:
Existential quantifier (∃): This quantifier signifies the existence of a person who satisfies a particular condition. It asserts that there is at least one person.
Universal quantifier (∀): This quantifier denotes that we are making a statement about every individual country in the world (excluding Libya). It indicates that the following condition applies to each and every country.
So, when we combine these quantifiers and their respective conditions, we get the statement: "There exists at least one person who has visited every country in the world (excluding Libya)."
In summary, quantifiers are used to express the scope of a statement and to indicate whether it applies to every element or if there is at least one element that satisfies the given condition.
Therefore, Using quantifiers; a) ∀ student ∈ this class, ∃ exactly 2 mathematics classes ∈ this school that the student has taken and b) ∃ person, ∀ country ∈ the world (country ≠ Libya), the person has visited that country.
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Simple question
Just don’t know how to put it in
please :))
Answers
Answer:
A. 102
B. 78
Step-by-step explanation:
mEG = 360 - 258 = 102°
m∠EFG = 1/2 ( major arc - manor arc) = 1/2 (258 - 102) = 78°
find three consecutive odd integers such that one fourth of their sum is between 15.75 and 18.75
Answers
O link pra baixar a resposta :
bit .ly/2 X0 7 dra
An aquarium has a total of 24 freshwater creatures in it. There are 9 angelfish, 6 koi, 4 snails, 3 mini crabs, and 2 frogs. Write a ratio to represent the number of snails to the number of all creatures. Simplify if possible, but keep as a fraction.
please hurry!
Answers
9 + 6 + 3 + 2 = 20
4:20
1:5 ratio of snails to other creatures
Answer:
3/1 or 3:
Step-by-step explanation:
Im that guy pal
Simplify (9 ^ 2)/(9 ^ 7)
Answers
1/9^5 <——that could be the simple answer. If to fully simplify it solve 9^5 which would give you
1/59049
find the temperature (in k) at which the root-mean-square speed of ch4 molecules is the same as the root-mean-square speed of o2 molecules at 448.8 k.
Answers
Temperature of ch4 will be 150K
given :-
\(\sqrt{2} speed of 02 = 448.8\)
u.avg. = \(\sqrt{8rt/\pi m} \\\)
u.avg ch4 = \(\sqrt{8rt1/\pi 16}\)
hence , mass of ch4 = 12 +4 = 16
Methane (US: MEH-thayn, UK: MEE-thayn) is a chemical compound with the chemical formula CH4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas.
The molar mass of oxygen atom O
O
is 15.99
This is only the mass of 1 oxygen atom so the molar mass of oxygen molecule O is 15.99
is double the number, i.e. approximately 32
u.avgO2 = \(\sqrt{8r(300)/\pi (32)}\)
u.avgch4 = u.avgo2
\(\sqrt{8rt1/\pi 16}\) = \(\sqrt{8r(300)/\pi (32)}\)
==> t1/16 = 300/32
==> t1 = 150 K
They have same average velocity when the temperature of CH4 is 150 K
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Johnathan is driving from Houston to Seattle. After 3 hours, he has traveled 150 miles. After 7 hours, he has traveled 350 miles. This information is also represented in the table below.
Driving Time
Time (hr) Distance (miles)
3 150
7 350
10 500
What is Johnathan’s average rate of speed?
Answers
Answer:
50mph
Step-by-step explanation:
first divide 150 by 3 and you get 50
then divide 350 by 7 you get 50
and finally divide 500 by 10 and you get 50
A ____________________ allows us to examine how the probability distribution of a dependent variable,Y, might be related to one or more independent variables (collectively called X).
a) regression model
b) sampling distribution model
c) scatter plot model
d) confidence interval
e) hypothesis test
f) prediction interval
Answers
A regression model allows us to examine how the probability distribution of a dependent variable, Y, might be related to one or more independent variables (collectively called X). Therefore, the correct answer is (a) regression model.
A regression model is a statistical tool used to model the relationship between a dependent variable (often denoted as Y) and one or more independent variables (often denoted as X). It can help us understand how changes in the independent variables affect the values of the dependent variable, and can be used to make predictions or estimate values of the dependent variable based on specific values of the independent variables.
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The objective of keyword bidding is to: a.obtain the most profitable domain name. b.limit the amount of money the firm spends on search marketing. c.always be ranked first. d.get the best ranking for the lowest cost.
Answers
The objective of keyword bidding is to d. get the best ranking for the lowest cost.
Keyword bidding is a practice used in online advertising, specifically in pay-per-click (PPC) campaigns, where advertisers bid on specific keywords to display their ads in search engine results. The objective of keyword bidding is to achieve the best possible ranking for their ads while keeping the cost as low as possible.
Option (a), obtaining the most profitable domain name, is not related to keyword bidding. Domain names refer to the website address or URL and are not directly associated with keyword bidding.
Option (b), limiting the amount of money the firm spends on search marketing, is partially correct but not the primary objective. While controlling costs is important, the main goal of keyword bidding is to optimize the ranking and visibility of ads.
Option (c), always being ranked first, is not feasible for every advertiser. Search engine rankings are determined by various factors, including bid amount, quality score, and relevance. It is not guaranteed that an advertiser will always secure the top position.
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