Answer:
Valuable property that the borrower promises to give the lender in the event of default on the loan.
Step-by-step explanation:
Let \( f(x)=2 x^{2}-2 x-1 \) and \( g(x)=3 x+3 \). Determine the rule for the composite functions \( f \circ g \) and \( g \circ f \). \[ (f \circ g)(x)= \] \( (g \circ f)(x)= \)
The composite functions are f(g(x)) = 2(3x + 3)² - 2(3x + 3) - 1 and g(f(x)) = 3(2x² - 2x - 1) + 3
Evaluating the composite functionsfrom the question, we have the following parameters that can be used in our computation:
f(x) = 2x² - 2x - 1
g(x) = 3x + 3
So, we have the following equations
f(g(x)) = 2(g(x)²) - 2g(x) - 1
substitute the known values in the above equation, so, we have the following representation
f(g(x)) = 2(3x + 3)² - 2(3x + 3) - 1
Also, we have
g(f(x)) = 3f(x) + 3
g(f(x)) = 3(2x² - 2x - 1) + 3
Hence, the composite functions are f(g(x)) = 2(3x + 3)² - 2(3x + 3) - 1 and g(f(x)) = 3(2x² - 2x - 1) + 3
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Question
Let f(x) = 2x² - 2x - 1 and g(x) = 3x + 3
Determine the rule for the composite functions ( f o g ) and ( g o f)(x)
The absolute value of -6 is 6.
True False
Answer:
True
Step-by-step explanation:
Sometimes referred to as a numerical value, the absolute value is the non-negative value of a real number without regard for its sign. For example, the absolute value of both 12 and -12 is 12.
HOPE THIS HELPS!! (please give brainliest)
Answer:
true
Step-by-step explanation:
Jessica estimated that her family used 30% more water this month compared to last month . they used 12000 gallons of water last month , how much water did they use this month
Answer:
15,600 Gallons
Step-by-step explanation:
The 30% of 12000 is 3600 thus, Jessica's family used 15600 gallons of water.
What is the percentage?The percentage is defined as a given amount in every hundred. It is a fraction with 100 as the denominator percentage is represented by the one symbol %.
The percentage is also called the indicating hundredths. Thus, 2% is two-hundredth, which means 2%=2/100=0.02.
As per the given,
Last used of water = 12000
30% of 12000 = (30/100)12000 = 3600
Water used in the current year = 12000 + 3600 = 15600 gallons.
Hence "The 30% of 12000 is 3600 thus, Jessica's family used 15600 gallons of water".
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10. 8, 12, 14
Notas
Acute
Right
Obtuse
I need help with this. I don't quite understand. Help please!
Answer:
It is C
Step-by-step explanation:
If it is flipped it will look like C
what are the vertex and range of 7= |x +2| -3
The vertex and range are (-2, -3) and y >= -3 respectively
How to determine the vertex and range?The equation is given as:
y = |x +2| - 3
The above equation is an absolute value equation
An absolute value equation is represented as:
y = a|x - h| + k
Where
Vertex = (h, k)
So, we have
Vertex = (-2, -3)
Also, we have
a = 1
Since a is positive, then the vertex is a minimum
Hence, the vertex and range are (-2, -3) and y >= -3 respectively
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hi help pls n thanks
The function represents the domain of a function is x ≥ -2.
What is a graph of a quadratic function?
A graph of a quadratic function is a type of parabola, which is a symmetric, U-shaped curve that opens either upward or downward. The equation of a quadratic function is y = ax² + bx + c, where x and y are variables, and a, b, and c are constants.
The graph of a quadratic function is determined by the value of the coefficient a. If a is positive, the parabola opens upward, and if a is negative, the parabola opens downward. The vertex of the parabola is the highest or lowest point on the graph and it is the point of symmetry of the parabola. The x-coordinate of the vertex is given by -b/(2a) and the y-coordinate of the vertex is given by the value of the function at that point.
In the given figure, we can see that it is a parabola, and if we look towards the options, then the third option is a domain of the given function
x ≥ -2
So we can say this is the perfect match for the given figure.
Hence, the function represents the domain of a function is x ≥ -2.
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The following solid is a right pyramid with a square base. a) Calculate the length of AW b) Find the length of VW
Answer:
Step-by-step explanation:
Plz help! Question below!
Hello! My name is Chris and I’ll be helping you with this problem.
Date: 9/28/20 Time: 11:21 am CST
Answer:
B
Explanation:
Yes, you are right! It is already 586 feet under (-586) and you're adding 80 more to its depth (-80)
I hope this helped answer your question! Have a great rest of your day!
Furthermore,
Chris
The temperature at 12 am was 44 degrees. The temperature dropped steadily for the next 8 hours to reach the daytime low of 20 degrees. What was the temperature at 6 am?
Answer:
62 degrees
Step-by-step explanation:
Points (12,440 and (20,20)
Slope = -3
Equation of line: y - 44 = -3(x - 12)
Plug in x = 6 to get y = 62.
3.) Jan wants a bunch of balloons for her birthday party. She chooses 10 red, 12 blue, 8 green and 9 yellow balloons. Her mom says she can only have 60% of them. Jan doesn't care what colors she has. How many balloons does she end up with?
Answer:
Lets break this down
The question asks for “How many balloons does she end up with”?
A important fact is that Jan doesn’t care what color she has.
So using this we can disregard the colors.
She is only allowed to have 60 percent of all the balloons she choosed.
So lets add them.
10 + 12 +8 + 9 = 39
She chose 39 balloons in total.
Since she doesn’t care about the color we can jsut find 60 percent of 39.
In order to find this we just multiply 60% of 39.
Percentage means out of a hundred so 60 percent is 60 out of a hundred or in this age 60/100.
Now 60/100 is basically 0.6
So we multiply 39 by 0.6
23.4 is the answer.
Now you can’t have .4 of a balloon so we jsut round down for any decimal in this case.
23.4 is 23 now.
So 23 balloons is the amount of balloons Jan ends up with
the sample of 51 observations will be taken from a process. the population proportion equals 0.85. the probability that the same proportion will be between 0.9115 and 0.946 is
The probability that the same proportion will be between 0.915 and 0.946 is 0.0819
The normal distribution is useful for solving problems related to different types of distributions. In some cases, it is necessary to calculate the mean or standard deviation according to the characteristics of the data or the related distribution.
We have p=0.85, q=1-p=0.15
Standard error of the sample proportion
\(\sigma_{\bar{p}} = \sqrt{\dfrac{p(1-p)}{n}} =\sqrt{\dfrac{0.85 \times 0.15}{51}}=0.05\)
We will use the normal distribution with the following data
μ=0.85
σ=0.05
x1=0.9115
x2=0.946
We want to calculate P( 0.9115 < x < 0.946)
\(\text{The z-value for } \, x_1 = 0.9115 \, \text{is} \\ z_1=\dfrac{ 0.9115 - 0.85 }{ 0.05 } = 1.23\)
\(\text{Using a Table of Areas Under the Normal Curve, we have that the probability under} \, z_1= 1.23 \, \text{is} \, 0.8907\)
\(\text{The z-value for } \, x_2 = 0.946 \, \text{is} \\ z_2=\dfrac{ 0.946 - 0.85 }{ 0.05 }= 1.92\)
\(\text{The probability under} \, z_2= 1.92 \, \text{is} \, 0.9726\)
Therefore,
P(0.9115<x<0.946)=P(1.23<z<1.92)
=P(z<1.92)−P(z<1.23)
=0.9726−0.8907
= 0.0819
So, the probability for the same is 0.0819
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Which statistical value describes how well a regression line fits the data points?.
The statistical value describes a regression line fits the data points:
R-squared
What is Statistical Value?
When it is extremely unlikely that an observed event occurred by accident, it is deemed statistically significant. An observed event is considered statistically significant when its p-value is less than a certain cutoff, or level of significance.
The statistical value describes a regression line fits the data points is
R-squared
The statistical indicator of how closely the data resemble the fitted regression line is called R-squared. For multiple regression, it is sometimes referred to as the coefficient of determination or the coefficient of multiple determination.
R-squared = Explained variation / Total variation
R-squared is always between 0 and 100%
The better the model matches your data, in general, the greater the R-squared.
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I need help please will mark you as brainliest
Answer:
178 correct problems
Step-by-step explanation:
turn the percentage into a decimal (0.89) and multiply it by the number of questions
Answer: 178
Step-by-step explanation:
89% x 200. Change percent to decimal by moving the decimal to the left two places.
.89 x 200 = 178
pleaseeeeeeeee helpppppp
Answer:
D and E.Step-by-step explanation:
These options are in the middle.
Here are the options verified:
A. Wrong. Too small.B. Wrong. Too small.C. Wrong. Too big.D. Correct.E. Correct.r is in the middle of pqs btw
Answer:
46
Step-by-step explanation:
5x = 3x - 2 + 34
5x = 3x + 32
2x = 32
x = 16
plug back in
3( 16 ) - 2
48 - 2
46
what is the probability that the random variable has a value between 0.1 and 3.3?a) 0.5875 b) 0.4000 c) 0.3750 d
The probability that the random variable has a value between 0.1 and 3.3 is 0.0256. Option b is correct answer.
Since the area under the density curve represents the total probability, we need to find the area between the vertical lines at x = 0.1 and x = 3.3, and under the curve.
First, we need to find the y-coordinates of the two horizontal lines. The line passing through (0, 125) and (8, 125) is parallel to the x-axis, so it has a constant y-coordinate of 125. The line passing through (8, 0) and (8, 125) is parallel to the y-axis, so it has an undefined slope and is a vertical line.
Therefore, we do not need to find its y-coordinate.
Next, we need to find the equation of the density curve. Since it is a uniform density curve, the height of the curve is constant over its entire length.
To find the height, we need to find the total area under the curve, which is given by the rectangle formed by the vertical lines at x = 0 and x = 8, and the horizontal lines at y = 0 and y = 125.
The width of the rectangle is 8, and the height is 1/125 (since the total area is 1 and the width is 8). Therefore, the height of the curve is 1/125 over its entire length.
Now, we can find the area between the vertical lines at x = 0.1 and x = 3.3, and under the curve.
The width of this area is 3.3 - 0.1 = 3.2, and the height of the curve is 1/125. Therefore, the area is:
3.2 × (1/125) = 0.0256
Therefore, the probability that the random variable has a value between 0.1 and 3.3 is 0.0256.
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The question is -
Using the following uniform density curve,
What is the probability that the random variable has a value between 0.1 and 3.3?
A) 0.5875 B) 0.0256 C) 0.3750 D) 0.2125
a rectangular piece of land measuring 9.8 by 7.2 is sub divided into small squares each side x km. find the value of x
The calculated value of x is 2
From the question, we have the following parameters that can be used in our computation:
Dimension of the piece of land = 9.8 by 7.2
Using the above as a guide, we have
Area = 9.8 * 7.2
Evaluate
Area = 70.56
For the square with the side length x, we have
Area = x²
So, the number of squares is
Squares = 70.56/x²
Note that the only factors that can divide 9.8 and 7.2 is 2
This means that
Squares = 70.56/2²
Evaluate
Squares = 17.64
So, the area of each square is 17.64 and the value of x is 2
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If x represents a given number, the expression "3 less than twice the given number"
is written as...
Answer:
2x-3
Step-by-step explanation:
three times the sum of seven and a number:
Answer:
7× • 3
Step-by-step explanation:
This might be the answer
Factor the algebraic expression.
18a+15
Answer: 3(6a+5)
We can confirm this by distributing the 3 back in
3*6a = 18a
3*5 = 15
So 3(6a+5) = 3*6a+3*5 = 18a+15
The process of factoring polynomials like this is basically using the distributive property in reverse.
Answer:
3(6a + 5)
Step-by-step explanation:
1) Find the Greatest Common Factor (GCF).
1 - What is the largest number that divides evenly into 18a and 15?
It is 3.
2 - What is the highest degree of a that divides evenly into 18a and 15.
It is 1, since a s not in every term.
3 - Multiplying the results above,
The GCF is 3.
2) Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)
3 (18a/3 + 15/3)
3) Simplify each term in parentheses.
3(6a + 5)
Calculate the product below and give your answer in scientific notation.
\large{\left(800 \right) \times \left(3\times 10^{-1} \right) =\ ?}(800)×(3×10
−1
)= ?
A pogulthon has a mean μ=150 and a standed devation σ=23. Find the mean and standard devaton of the sampling distribution of sample mears with sample size n = 42 . The mean 8Ry 2
= and the standard devation is o x
(Found to trree decmal places ats needed)
The mean of the sampling distribution of sample means is 150, and the standard deviation of the sampling distribution of sample means is 2.30.
The mean of the sampling distribution of sample means is equal to the population mean, which is 150 in this case. This is because the sampling distribution is created by taking random samples from the population, and the mean of any random sample will be equal to the population mean.
The standard deviation of the sampling distribution of sample means is equal to the population standard deviation divided by the square root of the sample size. In this case, the population standard deviation is 23, and the sample size is 42. Therefore, the standard deviation of the sampling distribution of sample means is 2.30.
The standard deviation of the sampling distribution of sample means is always less than the population standard deviation. This is because the sampling distribution of sample means is based on random samples, and random samples tend to vary less than the population as a whole.
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suppose that a softball team is composed of 13 employees of a furniture store of whom 2 work part-time. what proportion of the team work part-time? either give the exact fraction or decimal, or round to three decimal places.
The proportion of the team that work part time is 2/13 or 0.154
What is Proportion?The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.
The proportional equation is given as y ∝ x
And , y = kx where k is the proportionality constant
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Given data ,
Let the proportion be represented as A
Now , the equation will be
Let the total number of workers in the furniture store be = 13 employees
Let the number of workers who are part time = 2 workers
So , proportion of the team that work part time = number of workers who are part time / total number of workers in the furniture store
On simplifying , we get
The proportion of the team that work part time = 2 / 13
The proportion of the team that work part time = 0.154
Hence , the proportion is 2/13 or 0.154
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A baseball team has a goal of hitting more than 91 home runs this season. They average 7 home runs each game and have
already hit 35 home runs so far. How many more games, x, will it take the baseball team to reach its home run hitting goal if they
continue to average 7 home runs per game?
Select the number line that includes the fewest number of games the team can play and still meet their goal
Answer:
8.
Step-by-step explanation:
91-35=56
56/7=8
Answer:
It's D on study island
Step-by-step explanation:
Help and explanation if you don’t know don’t answer
Answer:
A is false (Y is far left of 0, so it is a negative. H is close to 0 so it is positive. Y is farther from zero, so it is bigger. For example, Y could be -7, and H could be 3. The sum of -7 and 3, would be -5.
B is false (E is on the left of 0 so it is negative. Y is on the left of zero so it is also negative. Negative divided by a negative is a positive )
C is false (H is positive and E is negative. Positive times a negative equals a negative.)
D is true (A is close to zero, so it is a small positive number. H is farther from zero, so it is a larger positive number. For example, A can be 2 and H can be 5. So, 3 - 5 would equal a negative.)
the lengths of pregnancies in a small rural village are normally distributed with a mean of 266 days and a standard deviation of 16 days. a distribution of values is normal with a mean of 266 and a standard deviation of 16. what proportion of pregnancies last fewer than 276 days? p(x < 276 days)
Proportion of pregnancies that last fewer than 276 days is approximately 0.7340 or 73.40%.
Describe indetail about how to calculate proportion of pregnancies?Given, mean (μ) = 266 days and standard deviation (σ) = 16 days.
Let X be the length of pregnancies, then X follows the normal distribution with mean (μ) = 266 and standard deviation (σ) = 16.
We need to find the probability that a pregnancy lasts fewer than 276 days i.e. P(X < 276).
To find this probability, we standardize the variable X using the standard normal distribution formula:
z = (x - μ) / σ
where z is the standard normal random variable.
Substituting the given values, we get:
z = (276 - 266) / 16 = 0.625
Using a standard normal distribution table or calculator, we can find that the probability of a standard normal random variable being less than 0.625 is approximately 0.7340.
Therefore, the proportion of pregnancies that last fewer than 276 days is approximately 0.7340 or 73.40%.
Explanation: This means that out of 100 pregnancies, around 73 pregnancies will last fewer than 276 days.
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1/5 cup of flour is used to make 4 cookies. How many cups of flour are needed to make 7 dozen cookies. (Need answer asap please)
The ratio of a sugar and milk in a weet is 3:5. If
the sugar is 210gm then Find the quantity of milk.
Answer:
350 ml
Step-by-step explanation:
there are 3 sugar parts so each one is worth 70
70x5 = 350
Ava spent 3 hours yesterday practicing the piano. She is going to spend at least 3 hours practicing today which number line shows
this
The number line that models the total amount of time Ava will practice piano in all is shown in the figure and Ava will practice piano for a total of 6 hours.
We can model the total amount of time Ava will practice piano in all using a number line. Since she practiced for 3 hours yesterday and is going to practice for another 3 hours today, we can represent this on a number line as follows:
The number line above represents the total amount of time Ava will practice piano in all. The first mark (0) represents the starting point, which is when she has not started practicing yet. The second mark (3) represents the time she spent practicing yesterday, and the third mark (6) represents the time she will spend practicing today. The distance between the first mark and the third mark (0 to 6) is the total amount of time Ava will practice piano in all, which is 6 hours.
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