The equation of the line in slope-intercept form is y = -2x+8
How to write the equation of a line in slope-intercept form?The equation of a line is an algebraic form of representing the set of points, which together form a line in a coordinate system
The slope-intercept form of the equation of a line is y = mx+b,
where m is the slope and b is the y-intercept
Given the table, pick any two points in order to find the slope:
point 1: x₁ = 0, y₁ = 8
point 1: x₂ = -2, y₂ = 12
slope (m) = (y₂-y₁) / (x₂-x₁)
slope (m) = (12-8)/(-2-0) = 4/(-2) = -2
Using y = mx+b and x₁ = 0, y₁ = 8:
8 = -2(0) + b
b = 8
y = -2x+8
Thus, the equation of the line is y = -2x+8
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Evaluate: (25/36) ^1/2?
Answer:
5/6
Step-by-step explanation:
A recipe uses 2 cups of sugar to make 32 brownies. how many X cups of sugar are needed for 72 brownies?
Answer:
4.5
Step-by-step explanation:
This means that the percentage of male students with scores between 162 and 366 is .
1. The probability is approximately 0.0003.
2. The probability is approximately 0.2743.
3. The probability is approximately 0.0668.
4. The probability is approximately 0.0501.
5. The probability is approximately 0.6811.
The given information is about the National Assessment of Educational Progress (NAEP) scores for male students in geography in 2001. The mean score for male students was 264, with a standard deviation of 34. The scores are assumed to be normally distributed.
1. To find the probability that a z-score is greater than 3.6, we can use the unit normal tables. Looking up the z-score of 3.6 in the table, we find that the area to the left of this z-score is approximately 0.9997. Since we want the probability of the z-score being greater than 3.6, we subtract this value from 1. So, the probability is approximately 1 - 0.9997 = 0.0003.
2. To find the probability that a z-score is less than -0.6, we can again use the unit normal tables. Looking up the z-score of -0.6 in the table, we find that the area to the left of this z-score is approximately 0.2743. So, the probability is approximately 0.2743.
3. To find the probability that a z-score is greater than 1.5, we can use the unit normal tables. Looking up the z-score of 1.5 in the table, we find that the area to the left of this z-score is approximately 0.9332. Since we want the probability of the z-score being greater than 1.5, we subtract this value from 1. So, the probability is approximately 1 - 0.9332 = 0.0668.
4. To find the probability that a z-score is between 1.6 and 2.6, we can use the unit normal tables. Looking up the z-scores of 1.6 and 2.6 in the table, we find that the area to the left of 1.6 is approximately 0.9452 and the area to the left of 2.6 is approximately 0.9953. To find the probability between these two z-scores, we subtract the smaller area from the larger area. So, the probability is approximately 0.9953 - 0.9452 = 0.0501.
5. To find the probability that a z-score is between -1.7 and 0.6, we can use the unit normal tables. Looking up the z-scores of -1.7 and 0.6 in the table, we find that the area to the left of -1.7 is approximately 0.0446 and the area to the left of 0.6 is approximately 0.7257. To find the probability between these two z-scores, we subtract the smaller area from the larger area. So, the probability is approximately 0.7257 - 0.0446 = 0.6811.
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A clinic has several doctors. Every patient, on average, requires about 27 minutes with a doctor Each doctor works 8 hours per day and 7 days per week. The clinic also operates 8 hours per day and 7 days per week. Based on past observations, the clinic must serve 122 patients per day. How many doctors should the clinic hires in order to serve 122 patients per day? Use at least 4 decimals in your calculation and answer.
The clinic should hire at least 7 doctors in order to serve 122 patients per day.
To determine how many doctors the clinic should hire in order to serve 122 patients per day, we need to calculate the number of patients each doctor can see within their working hours.
Let's start by calculating the total number of minutes each doctor works per day. Since each doctor works 8 hours per day and there are 60 minutes in an hour, the total minutes worked by a doctor per day would be 8 hours × 60 minutes = 480 minutes.
Next, we need to find out how many patients a doctor can see within their working hours. Given that each patient requires an average of 27 minutes with a doctor, the number of patients a doctor can see per day would be 480 minutes ÷ 27 minutes per patient = 17.7778 patients.
Since we can't have a fractional number of patients, we need to round this number up to the nearest whole number to ensure that each patient gets the required attention. Therefore, each doctor can see approximately 18 patients per day.
To serve 122 patients per day, we divide the total number of patients by the number of patients each doctor can see per day: 122 patients ÷ 18 patients per doctor = 6.7778 doctors.
Again, we can't have a fractional number of doctors, so we need to round this number up to the nearest whole number. Therefore, the clinic should hire at least 7 doctors to serve 122 patients per day.
In summary, the clinic should hire at least 7 doctors in order to serve 122 patients per day.
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PLEASE HELP! I WILL GIVE YOU BRAINLIEST!
Answer:
sry, i am doing this for points
Compare / Contrast Exponential Equations
1.) 2 (1/5)x-5
2.) y=4x
The functions y = 2 (1/5)^x - 5 and y = 4^x are compared as follows
y = 2 (1/5)^x - 5 y = 4^x
Initial value: 2 1
base function: 1/5 = decay function 4 = growth function
Translation: 5 units down no transformation
What is a decay function?
A decay function is a mathematical function used in various fields such as physics, engineering, economics, and machine learning, to model the reduction or decline of a value over time.
It is a type of function that decreases at a rate proportional to its current value, so that it approaches zero as time progresses.
Decay function are exponential functions with the base function as
0 < k < 1This is the opposite of growth function which has values greater than 1
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What is the quotient?
StartFraction (negative 3) Superscript 0 Over (negative 3) squared EndFraction
Answer:
1/9
Step-by-step explanation:
Where my coins at bruh and yo number jhit
The value of the expression {(-3)⁰}/{(-3)²} is 1/9.
What is an exponent?Exponentiation is one of the mathematics operations.
Let mᵃ, where m and a are the real numbers.
And m is multiplied by a times to itself.
So, a is the exponent of m.
Given:
Start Fraction (negative 3) Superscript 0 Over (negative 3) squared End Fraction
In numerator form:
{(-3)⁰}/{(-3)²}
= 1/9
Therefore, 1/9 is the value.
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The length of a rectangular deck i 4 time it width, and it perimeter i 20ft , what the deck area?
The area of rectangular deck with length 8 feet and width 2 feet is 16 ft².
What is area of rectangle ?Area can be defined as the amount of space covered by a plane of a particular shape. It is measured in "number" of square units (cm², inch², ft² etc.). In other words, the space occupied around this shape is called the area of the rectangle.
Rectangle perimeter = 2(length + width)Rectangle area = length x widthWe have, a rectangular deck with
length is 4 times its width and perimeter is 20ft.
Let us assume that "l" and "w" be length and width of a rectangular deck.
so, l = 4 w --(1)
Now, perimeter of rectangular deck = 2 ( l+w)
=> 2(l+w) = 20 --(2)
we have to calculate the area of rectangular deck and for this we have to calculate measure of length and width.
plug the value of "l" in equation (2) from (1)
2(l+w) = 20
=> 2(4w + w) = 20
=> 2× 5w = 20
=> w = 20/10 = 2 feet
from equation (1) , l = 4 × 2 = 8 feet
Area of rectangular deck, A = l× w
=> A = 8× 2 = 16 square feet
So, the required area is 16 square feet.
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How to convert us dollar to thai baht?
Convert USD to THB, multiply amount of USD by the current exchange rate between USD and THB, which can be found on financial news or currency exchange websites, to get the equivalent amount in THB.
To convert US dollars (USD) to Thai baht (THB), you need to use the current exchange rate between the two currencies. Here are the steps to convert USD to THB:
Find the current exchange rate between USD and THB. This information can be found on financial news websites, currency exchange websites, or by contacting a bank or currency exchange service.
Multiply the amount of US dollars you want to convert by the current exchange rate to get the equivalent amount in Thai baht. For example, if the current exchange rate is 1 USD = 31.50 THB and you want to convert 100 USD to THB, the calculation would be:
100 USD x 31.50 THB/USD = 3,150 THB
Therefore, 100 USD is equal to 3,150 THB.
Note: The exchange rate between USD and THB can fluctuate over time, so make sure to use the current exchange rate for the most accurate conversion.
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carmen bought 3 cds that were each the same price. including sales tax, she paid a total of $49.50. each cd had a tax of 0.70 . what was the price of each cd before tax?
If Carmen paid a total of $49.50 for 3 CD's, then the price of each CD before the tax is $15.80.
The "Sales-Tax" is $0.70 per CD, which is added to the original price of each CD to arrive at the total cost of the CDs including sales tax
Let the price of each CD before tax be = "x",
Carmen bought 3 CDs, so the total cost of the CDs without tax would be 3x.
The "Sales-Tax" on each CD is $0.70, and Carmen bought 3 CDs,
The "total-sales" tax will be = 3 × $0.70 = $2.10,
So, the "total-cost" of the CDs including sales tax is "3x + $2.10", and
We know this total cost is = $49.50,
The equation to represent the cost is written as :
⇒ 3x + $2.10 = $49.50
Now, Solving for "x", the price of each CD before tax.
⇒ 3x = $49.50 - $2.10
⇒ 3x = $47.40
⇒ x = ($47.40)/3,
⇒ x ≈ $15.80
Therefore, the price of each CD is $15.80.
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j − 47 = 37 what would j =
Answer:
84
Step-by-step explanation:
37 + 47 = 84
Answer:
10
Step-by-step explanation:
47-37=10
A car covers a distance of 440 miles in 8 hours while a bus covers a distance of 510 miles in 6 hours. What is the speed of the car
The speed of the car is 55 miles per hour.
To find the speed of the car, we need to divide the distance it covers by the time it takes:
speed of car = distance covered by car ÷ time taken by car
From the given information, we know that the car covers a distance of 440 miles in 8 hours, so we can substitute these values into the formula:
speed of car = 440 miles ÷ 8 hours
Simplifying the right-hand side, we get:
speed of car = 55 miles per hour
Therefore, the speed of the car is 55 miles per hour.
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What is the answer to this question
The angles are which alternate exterior angles include the following: A. ∠XWY and ∠STR.
What are parallel lines?Parallel lines can be defined as two (2) lines that are cut through by a transversal and they always have the same (equal) distance apart and never meet.
What is the alternate exterior angle theorem?The alternate exterior angle theorem states that when two (2) parallel lines are cut through by a transversal, the alternate exterior angles that are formed lie outside the two (2) parallel lines, are located on opposite sides of the transversal, and are congruent angles.
In conclusion, we can logically deduce that both ∠XWY and ∠STR are alternate exterior angles because they lie outside the two (2) parallel lines and are located on opposite sides of the transversal.
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Cookies are sold in the lunchroom for $2. Ana wants to buy cookies for a group of her friends. If she has $20, write an inequality to show the number of cookies cc she can buy. Use the variable c.
Answer: she could buy 10 cookies.
Step-by-step explanation:
In order to figure out how many cookies she can buy just do 20÷2.
question is in the picture
Answer:
algebra?x9b4
Step-by-step explanation:
How many tenths are equal to 1/2+4/5?
-6x +10 = -104
what’s x ?
Answer:
19
Step-by-step explanation:
-6x + 10 = -104
-6x = -114
x = 19
Answer:
\(\boxed {x = 19}\)
Step-by-step explanation:
Solve for the value of \(x\):
-\(6x + 10 = -104\)
-Subtract \(10\) to both sides:
-\(6x + 10 - 10 = -104 -10\)
-\(6x = -114\)
-Divide both sides by \(6\):
\(\frac{-6x}{-6} = \frac{-114}{-6}\)
\(\boxed {x = 19}\)
Therefore, the value of \(x\) is \(19\).
which graphs represents a bike traveling at a contest rate of 12 miles per hour
Answer:
(1,12), (2,24), (3,36)...
A tower casts a shadow of 10 meters long. John is 2 meters tall and casts a shadow that is 1.5 meters long Round to nearest tenth of meter. Height of the tower is __ meters tall.
Answer: 7.5 i believe
Step-by-step explanation:
118 - [121 - (11 × 11) - (-4) - 3 - 9 - 2]
Answer:
Step-by-step explanation:
118 - [121 - ( 11 x 11 ) - ( - 4 ) - 3 - 9 - 2]
118 - [121 - 121 + 4 - 3 - 9 - 2]
118 - [4 - 3 - 9 - 2]
118 - [1 - 9 - 2]
118 - [-8 - 2]
118 - (-10) or 118 - 1(-10)
Negative times negative equals to positive.
118 + 10= 128
toms water bottle can hold up to 32 ounces of water. each day he drinks more than 2 full bottles of water. which inequality correctly describes the number of ounces of water, w, that tom drinks each day?
The inequality that correctly describes the number of ounces of water, w, that tom drinks each day is d. 64<w.
Amount of water that the bottle can hold = 32 ounces
Bottles of water consumed = 2
A mathematical comparison and representation of the connection between two expressions is known as an inequality. It can be regarded as a generalisation of an equation and is denoted by signs such as <, > and =.
Tom consumes more than two complete bottles of water every day. Since each bottle can carry up to 32 ounces of water, we can describe Tom's daily water consumption as -
= w > 2 × 32
Therefore,
Simplifying the right side of the inequality:
w > 64
Complete Question:
Toms water bottle can hold up to 32 ounces of water. each day he drinks more than 2 full bottles of water. which inequality correctly describes the number of ounces of water, w, that tom drinks each day?
a. w>2
b. 32<w
c. w = 64
d. 64<w
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Mr rivera is making a healthy dessert
Apple crisp has 10 grams of sugar per serving.
Greek frozen yogurt has 5 grams of sugar per serving.
What is the unit rate?In Mathematics, the unit rate is sometimes referred to as unit price or unit ratio and it can be defined as the price that is being charged by a seller for the sale of a single unit of product or quantity.
How to complete the statements with the unit rate?In order to complete the statements with the unit rate, we would have to divide the amount of grams of sugar by the number of servings for each product or recipe as follows;
Apple crisp = 80 grams/8 servings = 10 grams of sugar per serving.
Greek frozen yogurt = 60 grams/12 servings = 5 grams of sugar per serving.
In conclusion, we can reasonably infer and logically deduce that the recipe that has the least amount of sugar per serving is the Greek frozen yogurt because 5 grams is less than 10 grams.
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Complete Question:
Mr. Rivera is making a healthy dessert for his nephew who has diabetes. He wants to choose the recipe with the least amount of sugar per serving. Apple crisp has 8 servings and contains 80 grams of sugar. Greek frozen yogurt has 12 servings and contains 60 grams of sugar.
How much sugar per serving does each dessert have? Complete the statements with the unit rate.
Apple crisp has _____ grams of sugar per serving. Greek frozen yogurt has _____ grams of sugar per serving.
As part of a science experiment, a student recorded 10 measurements of the temperature of a liquid. One of the measurements was an outlier when compared with the other 9 measurements. Which of the following must be true about the 9 measurements, excluding the outlier, when compared with the 10 measurements? (Note: An outlier is any number that is greater than the upper quartile or less than the lower quartile by at least 1.5 times the interquartile range.) (A) The median of the 9 measurements is less than the median of the 10 measurements. (B) The median of the 9 measurements is greater than the median of the 10 measurements. (C) The maximum of the 9 measurements is less than the maximum of the 10 measurements. (D) The maximum of the 9 measurements is greater than the maximum of the 10 measurements. (E) The standard deviation of the 9 measurements is less than the standard deviation of the 10 measurements.
Among the given options, (C) The maximum of the 9 measurements is less than the maximum of the 10 measurements must be true about the 9 measurements, excluding the outlier, when compared with the 10 measurements.
An outlier is defined as a measurement that significantly deviates from the other measurements in a data set.
In this case, one of the measurements among the 10 is identified as an outlier.
When comparing the remaining 9 measurements with the entire set of 10 measurements, the maximum value of the 9 measurements cannot exceed the maximum value of the 10 measurements because the outlier, by definition, exceeds the upper quartile or lower quartile by at least 1.5 times the interquartile range.
It is important to note that the median of the 9 measurements can be either greater than or less than the median of the 10 measurements, depending on the specific values of the measurements.
The presence of the outlier does not necessarily determine the relationship between the medians of the two sets.
Similarly, the standard deviation of the 9 measurements may or may not be less than the standard deviation of the 10 measurements.
The inclusion or exclusion of the outlier can have an impact on the standard deviation calculation, but it is not guaranteed to be lower or higher in either case.
Therefore, among the given options, the only statement that must be true is (C) The maximum of the 9 measurements is less than the maximum of the 10 measurements.
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What is the independent variable?
In the context of analyzing the relationship between the number of text messages and talk time (in minutes), the independent variable is the number of text messages.
The reason the number of text messages is the independent variable is because it is the variable that is being manipulated or changed, while the talk time is the dependent variable that is expected to be affected by the number of text messages.
For example, in a study where the researcher wants to investigate whether the number of text messages affects talk time, they would vary the number of text messages sent and then measure the corresponding talk time. In this case, the number of text messages would be the independent variable, and the talk time would be the dependent variable.
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a factor (x − a)k, k > 1, yields x = a of k.
A repeating zero multiplicity factor (x a)k, k > 1, results in x = an of k. The multiplicity of a polynomial is the number of times a certain factor appears in the equation when it has been factored.
How do you find the multiplicity of zeros?A single zero is present where the graph crosses the x-axis and appears practically linear at the intercept. It is a zero with even multiplicity if the graph hits the x-axis and then deflects off of it. It is an odd multiplicity zero if the graph crosses the x-axis at zero. Degree n is equal to the multiplicities added together.
Set your initial factor to zero and solve in step one. Step 2: Keep solving by setting all of your factors in your factored form polynomial equal to zero and repeating this step for each factor. There are no practical solutions for this issue. Step 3: Make a list of your polynomial's zeros.
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Um I am very much stuck
Am I doing this right so far? What else am I missing/need to put?
Problem:
A high school softball diamond is a square. The
distance from base to base is 30ft. To the nearest foot,
how far does the catcher throw the ball from home plate
to second base?
Answer:
Pythagoras law
h²=p²+b²
h²=30²+30²
h=√1800=42.426 ft far does the catcher throw the ball from home plate
far does the catcher throw the ball from home plateto second base?
You perform a Chi-Square test and obtain a p-value lower than 0.01. What does that mean?
Performing a Chi-Square test is a statistical tool used to determine if there is a significant difference between observed and expected data. The test helps to analyze categorical data by comparing observed frequencies to the expected frequencies. The p-value in a Chi-Square test refers to the probability of obtaining the observed results by chance alone.
If a p-value lower than 0.01 is obtained in a Chi-Square test, it means that the results are statistically significant. In other words, there is strong evidence to reject the null hypothesis, which states that there is no significant difference between the observed and expected data. This means that the observed data is not due to chance alone, but rather to some other factor or factors.
The mean, or average, is not directly related to the Chi-Square test or the p-value. The Chi-Square test is specifically used to determine the significance of the observed data. However, the mean can be used as a measure of central tendency for continuous data, but it is not applicable to categorical data.
In conclusion, obtaining a p-value lower than 0.01 in a Chi-Square test means that there is strong evidence to reject the null hypothesis, and that the observed data is statistically significant.
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A train moves at a constant speed. The train travels 15 miles in 1/5 hour.
What is the train's speed? *
55 mph
65 mph
75 mph
85 mph
Answer:
75 mph
Step-by-step explanation:
1/5 x 5 = hour
15 mph x 5 = 75 mph
The correlation in error terms that arises when the error terms at successive points in time are related is termed _____. a. autocorrelation b. leverage c. multicorrelation d. parallel correlation
The correlation in error terms that arises when the error terms at successive points in time are related is termed autocorrelation
The correct answer is an option (a).
Correlation is the mutual connection between two or more variables. These variables can be dependent or independent but there should be random variables.
Autocorrelation is the degree of correlation between the values of the same variables across different data.
Instead of correlation between two different variables, the correlation is between two values of the same variable at times i and i + k.
It is used for the following two purposes:
- To detect non-randomness in data.
- To identify an appropriate time series model if the data are not random.
Therefore, The correlation in error terms that arises when the error terms at successive points in time are related is termed autocorrelation
The correct answer is an option (a).
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For a group of high school students, the correlation between math sat score and total sat score is about r = 0.9935. what can be said about r2? note: r2 = 0.987.
Math SAT scores explain about 98.7% of the variation in the total SAT scores.
What is a correlation?In statistics, correlation or dependence exists as any statistical relationship, whether causal or not, between two random variables or bivariate data.
A correlation exists as a statistical measure (expressed as a number) that defines the size and direction of a relationship between two or more variables. A correlation between variables, however, does not automatically mean that the change in one variable exists as the cause of the change in the values of the other variable.
Since r² exists = (0.9935)² = 0.9870, we interpret r² as 98.7% of the variation in the y variable exists explained by the x variable.
In context, math SAT score explains about 98.7% of the variation in total SAT score.
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