Answer:
Move 2.5 units left because the x-coordinate is -2.5. -2.5 is between -2 and -3. Move 3.75 units up because they-coordinate is 3.75. 3.75 is between 3 and 4.
Step-by-step explanation:
Look at the picture.
(x ; y)
x < 0 - move x units left
x > 0 - move x units right
y < 0 - move y units down
y > 0 - move y units up
Answer:
answer is A
Step-by-step explanation:
your welcome :)
9
7
(Simplify your answer.)
Answer: 9/7 is already in the simplest form.
Pls help with this it’s math
Answer:
The slope is undefined.
Step-by-step explanation:
A vertical line has undefined, or infinite, slope. If you attempt to find the slope using rise over run or any other slope formula, you will get a 0 in the denominator. Since division by 0 is undefined, the slope of the line is undefined.
in general, ______________ are more problematic than ________________ because they can produce spurious relationships.
In general, observational studies are more problematic than randomized controlled trials because they can produce spurious relationships.
Observational studies rely on the natural variation in exposures and outcomes that occur in the population, without any intervention or manipulation by the researcher.
This can lead to confounding variables, which are factors that are associated with both the exposure and the outcome and can produce a false association between them.
Randomized controlled trials, on the other hand, assign participants to different exposure groups at random, which reduces the risk of confounding and allows for a more accurate assessment of causality.
Therefore, researchers must be cautious when interpreting observational studies and consider the potential for spurious relationships.
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An equivalent form of $f$ is given as $f\left(x\right)=x\left(x-2\right)\left(x-a\right)$ , where $a$ is a constant. What is the value of $a$ $?$
The value of a is given by the third root of the function.
How to obtain the value of a?The function for this problem is defined as follows:
f(x) = x(x - 2)(x - a).
According to the Factor Theorem, the function is defined as a product of it's linear factors, hence the roots of the function are given as follows:
x = 0.x - 2 = 0 -> x = 2.x - a = 0 -> x = a.Hence the value of a is the third root of the function, which is the value on the graph at which the function crosses the x-axis along with x = 0 and x = 2.
Missing InformationThe problem is incomplete, hence the general procedure to obtain the value of a is presented.
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There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color? P(R,R)
Pilihan jawaban
2/5
1/21
5/35
1/7
Answer:
1/7
Step-by-step explanation:
6 + 5 + 4 = 15
There are 15 marbles to start with.
p(event) = (number of desired outcomes)/(total number of outcomes)
First pick (there are 6 desired outcomes out of a total of 15 possible outcomes):
p(r) = 6/15
Now there are 5 red marbles left and a total of 14 marbles left.
Second pick (there are 5 desired outcomes out of a total of 14 possible outcomes):
p(r) = 5/14
These events are independent, so we multiply the two probabilities.
p(r, r) = 6/15 × 5/14
p(r, r) = 3/7 × 1/3
p(r, r) = 1/7
I will give you brainlist if you answer it.
Answer:
D or A not sure yet
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
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Dylan is an accountant. he has a salary of $84,961 and is paid weekly. what are his gross wages each paycheck?
Therefore, Dylan's gross wages each paycheck would be approximately $1,633.48.
To calculate Dylan's gross wages each paycheck, we need to divide his annual salary by the number of pay periods in a year. Assuming Dylan is paid weekly, we can calculate his gross wages per paycheck as follows:
Gross wages per paycheck = Annual salary / Number of pay periods
Given:
Annual salary = $84,961
Since Dylan is paid weekly, there are 52 pay periods in a year (52 weeks).
Gross wages per paycheck = $84,961 / 52
Using a calculator or performing the division, we find:
Gross wages per paycheck ≈ $1,633.48 (rounded to the nearest cent)
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In triangle ABC, the measure of angle ABC is 42 degrees and the measure of angle BAC is 64. What is the measure of angle BCA? Write an expression to find the measure of angle BCA.
Answer:
Step-by-step explanation:
The sum of interior angles of a triangle = 180°
Therefore, ∠ABC + ∠BAC + ∠BCA = 180°
⇒ 42 + 64 + ∠BCA = 180°
⇒ ∠BCA = 180 - 42 - 64
Can someone help with this I’ll mark u as brainlist
Answer:i don’t really k ow but i need points to ask questions
Step-by-step explanation:
At a local animal shelter there are 3 Siamese cats, 3 German Shepherds, 9 Labrador Retrievers, and 2 mixed-breed dogs. If you choose 2 animals randomly, what is the probability that both will be labs
The probability of randomly selecting two animals and both of them being Labrador Retrievers is approximately 0.2647.
To calculate the probability of choosing two Labrador Retrievers out of all the animals, we need to determine the total number of possible pairs of animals and the number of pairs that consist of two Labrador Retrievers.
The total number of animals in the shelter is 3 Siamese cats + 3 German Shepherds + 9 Labrador Retrievers + 2 mixed-breed dogs = 17 animals.
To calculate the number of ways to choose 2 animals out of 17, we use the combination formula:
\(C(n, k) = n! / (k! * (n-k)!)\)
where n is the total number of animals (17) and k is the number of animals we want to choose (2).
C(17, 2) = 17! / (2! * (17-2)!)
= 17! / (2! * 15!)
= (17 * 16) / (2 * 1)
= 136.
So, there are 136 possible pairs of animals.
Now, let's determine the number of pairs that consist of two Labrador Retrievers. We have 9 Labrador Retrievers in total, so we need to choose 2 out of the 9.
C(9, 2) = 9! / (2! * (9-2)!)
= 9! / (2! * 7!)
= (9 * 8) / (2 * 1)
= 36.
Therefore, there are 36 pairs of Labrador Retrievers.
The probability of choosing two Labrador Retrievers out of all the animals is given by:
P(both labs) = (number of pairs of Labrador Retrievers) / (total number of pairs of animals)
= 36 / 136
= 0.2647 (rounded to four decimal places).
So, the probability of randomly selecting two animals and both of them being Labrador Retrievers is approximately 0.2647.
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Anthony buys 3 lb of oranges and 1 lb of cherries. Katie buys 2 lb of oranges and 2 lb of cherries. Oranges cost d dollars per pound, and cherries cost c dollars per pound . Write and expression with exactly two terms for the total cost of the fruit Anthony and Katie buy. Show your work.
Answer:
5d + 3c = x
Step by step explanation:
5 oranges so 5d
3 cherries so 3c
An economist wanted to investigate the relationship between office rents (the dependent variable) and vacancy rates. Accordingly, he took a random sample of monthly office rents and the percentage of vacant office space in 30 different cities. a. Determine the regression line. b. Interpret the coefficients.
The regression line will be y = 20.64 - 0.3038x.
How to explain the regression?It should be noted that regression is a statistical method that determine the relationship between the variables.
Here, the regression line will be y = 20.64 - 0.3038x. The slope coefficient is -0.03038 and the intercept is 20.460.
The slope coefficient defines that for a unit increase in the percentage of vacancy rate will reduce 0.3038 unit of monthly office rent.
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…..Help 30 points ……………
Answer:
answers below
Step-by-step explanation:
1. 21.50n (Print it)
2. 70+18n (Top Print)
3. This one is more complicated. First, you find out the cost from each store, by inserting 30 in place of n. (1. =645), (2.=610). Then, you subtract 610 from 645, which gets your difference to 35$.
4. There is an error in the wording, but the answer should be something along the lines of this. "Bill would need to buy 2 fewer shirts from Print It than from Top Print for Print it to be cheaper."
the mean daily production of a herd of cows is assumed to be normally distributed with a mean of 30 liters, and standard deviation of 8.2 liters. a) what is the probability that daily production is between 32.3 and 36.9 liters? do not round until you get your your final answer.
There is a 21.19% chance that the daily production falls within 32.3 and 36.9 liters.
To find the probability that the daily production of a herd of cows is between 32.3 and 36.9 liters, we need to use the normal distribution properties.
Given that the mean daily production of the herd of cows is 30 liters and the standard deviation is 8.2 liters, we can standardize the distribution and use the standard normal distribution table or calculator. We calculate the z-scores for the values 32.3 and 36.9, which tells us how many standard deviations away from the mean each value is.
Using a standard normal cumulative distribution function, we can find that the probability of the daily production falling between 32.3 and 36.9 liters is approximately 0.2119. This means that there is a 21.19% chance that the daily production falls within this range.
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The probability that daily production is between 32.3 and 36.9 liters is 0.18949 or 18.9%.
To determine the probability that the herd's daily production will be between 32.3 and 36.9 liters, we must compute the z-scores for each number and use a standard normal distribution table to calculate the area under the curve between those z-scores.
To find out the z - scores we need use z-score formula:
Z = X−μ / σ
where μ is the mean, σ is the standard deviation and X is the observed value. In the problem μ is 30 liters, X₁ = 32.3 liters & X₂ = 36.9 liters and σ = 8.2 liters.
Substituting the values in the equation to find the z-score for 32.3 liters is:
z₁ = (32.3 - 30) / 8.2 = 0.2804
z₁ = 0.28049
Substituting the values in the equation to find the z-score for 36.9 liters is:
z₂ =( 36.9 - 30) / 8.2 = 0.8414
z₂ = 0.8414
We can determine the area under the curve between these two z-scores using a conventional normal distribution table. The area between z = 0.28049 and z = 0.8414 and the probability is approximately 0.1894.
As a result, the probability that the herd's daily output is between 32.3 and 36.9 liters is about 0.1894.
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Which of the following relations is not a function?
A) (-7,4)
(4,3)
(-5, 1)
(6,2)
B) (-5,4)
(4,2)
(6,1)
(-7,5)
C) (6,4)
(-5,2)
(4,1)
(-7,2)
D (4,4)
(-5,2)
(4,1)
(-7,2)
Part (D) is not a function as he element 4 has two images in y that is 4 and 1.
We are given some relations.
We need to tell which of the following is not a function.
A relation is a function when every element of x has only one mapping on the every element of y.
That is when we put one value of x, there should not be 2 values for y.
For part (A),
It is a function as it satisfies the condition.
For part (B),
It is also a function as it also satisfies the condition.
For part (C)
It is also a function as it also satisfies the condition.
Fort part (D),
It is not a function as the element 4 has two images in y that is 4 and 1.
Therefore, part (D) is not a function as he element 4 has two images in y that is 4 and 1.
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A pair of sneakers is on sale for 20% off. The original price is $100. What is the price of the sneakers with the discount?
Answer:
it will be $80.00 and your saving $20.00
Step-by-step explanation:
What is the formula for the circumference of a circle in terms of r
Answer:
C = 2πr
Step-by-step explanation:
The formula for the circumference of a circle is C = πd, and since the diameter, d, is equal to double the radius, 2r, we can replace 2r for d. Giving us C = 2πr
Solve for the variable:4z−2z(1+4)–36 for z=5
Given:
4z-2z(1+4)-36 for z=5
4z-2z(1+4)-36=4(5)-2(5)(5)-36
=20-50-36
=-66
find the value of p q and r
The value of p, q, and r cannot be found without more information about what the variables represent and any equations or relationships that they may be a part of.
Please provide more context or information about the problem you are trying to solve.
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It takes 6
minutes to drain
60 gallons of water.
How many gallons
drain per minute?
Please hurry
Answer:
120 i think. sorry if its wrong.
Answer:
10 gallons
Step-by-step explanation:
If 60 gallons of water drains in 6 minutes, that means that to find the amount drained per minute, you would have to divide the number of gallons per minute. So 60 gallons÷6 minutes is 10 gallons per minute.
1. Which equation represents a line that is perpendicular to the line represented by 2x - y =7
The equation that represents a line that is perpendicular to the line represented by 2x - y = 7 is y = -1/2x + 6
Equation of a lineThe equation of a line in slope-intercept form is expressed as;
y = mx + b
where;
m is the slope
b is the y-intercept
For two lines to be perpendicular, the product of their slope must be -1
Given the equation 2x - y =7
Rewrite
y = 2x - 7
The slope of the line is 2, the slope of the line perpendicular must be -1/2. Hence from the given option, the equation that represents a line that is perpendicular to the line represented by 2x - y = 7 is y = -1/2x + 6
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Which ordered pairs make both inequalities true y <- X 1 Y X?
The ordered pair (-2, 2) satisfies both inequalities y < -x + 1 and y > x.
The correct option is A: (-2, 2).
To determine which ordered pairs satisfy both inequalities y < -x + 1 and y > x, we need to check each pair's coordinates in both inequalities.
Let's test each ordered pair:
A: (-2, 2)
For y < -x + 1: 2 < -(-2) + 1 → 2 < 3 (True)
For y > x: 2 > -2 → 2 > -2 (True)
B: (1, 1)
For y < -x + 1: 1 < -(1) + 1 → 1 < 0 (False)
For y > x: 1 > 1 → 1 > 1 (False)
C: (0, 0)
For y < -x + 1: 0 < -(0) + 1 → 0 < 1 (True)
For y > x: 0 > 0 → 0 > 0 (False)
D: (-1, -1)
For y < -x + 1: -1 < -(-1) + 1 → -1 < 2 (True)
For y > x: -1 > -1 → -1 > -1 (False)
From the above calculations, we can see that only the ordered pair (-2, 2) satisfies both inequalities y < -x + 1 and y > x. Therefore, the correct answer is option A: (-2, 2).
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The complete question:
Which ordered pairs make both inequalities y < -x + 1 and y > x true?
A: (2, 2)
B: (1, 1)
C: (0,0)
D: (-1, -1)
TRUE OR FALSE: No matter the population distribution from which a sample of size n is taken, we can use the normal distribution to approximate the distribution of the sample mean as long as n is large enough.
Answer:
true
Step-by-step explanation:
mean we show up the distribution
Please upload a photo of your work.
9514 1404 393
Explanation:
CA ≅ CD . . . . definition of midpoint
∠ACB ≅ ∠DCE . . . . vertical angles
BC ≅ EC . . . . definition of midpoint
∆ABC ≅ ∆DEC . . . . SAS congruence theorem
Find parametric equations describing the given curve. The portion of the parabola y=x^2 +2 from (3,11) to (6,38) x = ___, y = ___ from t = ___ to = ___
The parametric equations of the parabola are x = t and y = 2 + t², from t = 3 and t = 6.
How to derive the parametric equations of a parabola
In this question we find the rectangular equation of a parabola whose axis of symmetry is perpendicular with y-axis, of which we must derive parametric equations, that is, variables x and y in terms of parameter t:
x = f(t), y = f(t), where t is a real number.
All parametric equations are found by algebra properties:
y = x² + 2
y - 2 = x²
x = t
y = 2 + t², from t = 3 and t = 6.
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james and elaine share a box of sweet in the ratio 2:3 what fraction of sweets does james receive and elaine receive
Step-by-step explanation:
I think it should be
james 2/5
elaine 3/5
17. Let f(x) = 2x2 + 5x + 6 and g(x) = 3x2 + 4x – 10.
a Find f(x) + g(x)
b. Find f(x) – g(x)
Step-by-step explanation:
f(x)+g(x)=(2x^2 + 5x +6) + (3x^2 +4x - 10)
Combine like terms
5x^2 + 9x -4
f(x)-g(x)=(2x^2 + 5x +6) - (3x^2 +4x - 10)
Distribute the negative
(2x^2 + 5x +6) + (-3x^2 -4x + 10)
Combine like terms
-x^2 +x +16
1) Simplify. 2x^(-2)
Using the above property, the expression of the problem is simplified as follows:
\(2\cdot x^{-2}=2\cdot\frac{1}{x^2}=\frac{2}{x^2}\)CAN YOU PLEASE HELPPPP ME!!!! WILL GIVE BRAINLEST!!!!!!!!!
all you need to do is fine the volume please !!!!!!
Answer:
10 mi³
Step-by-step explanation:
The are of the base will be (4*3)/2, so 6.
Plug that in to the formula for B.
V = 1/3(6)5 and you should get 10 mi³
Hope this helps.
The number of students enrolled at a college is 13,000 and grows 4% each year, what is the initial amount
Answer:
13,000
_____
4%
I'm sorry if this is incorrect