Answer:
monke explanation teen dance teen look good while dance teen famous
Step-by-step explanation:
find the measure of one interior angle in each polygon. Round your answer to the nearest tenth if Necessary.
An interior angle of a polygon is an angle formed inside the two adjacent sides. In our case, an interior angle is the angle in red color:
In our case, there are 8 sides so our polygon is an octagon. So, the size of each interio angle is given by
\(\frac{(8-2)\times180}{8}=\frac{6\times180}{8}=135\)Therefore, the answer is 135 degrees:
Word Problems
1) Sam grew 7 watermelons, but the rabbits ate 5 watermelons.
How many watermelons does Sam have left?
2) There are 510 students at a school. If each
classroom holds 30 students, how many classrooms are needed at the school?
3) Tom has 72 muffins, which he needs to box up
into dozens. How many boxes does he need?
4) Alyssa has 4 books. Joan has 9 times more books than
Alyssa. How many books does Joan have ?
5) There are 49 pencils in the drawer. Melanie took 12
pencils from the drawer. How many pencils are now in the drawer ?
6) Joan picked 9 apples and Sam picked 3 apples from the apple tree.
How many apples were picked in all ?
Answer:
1. 2
2. 17
3. 6
4. 36
5. 37
6. 12
Step-by-step explanation:
1. 7-5=2
2. 30x17=510
3. 12x6=72
4. 4x9=36
5. 49-12=37
6. 9 plus 3=12
What else would need to be congruent to show that triangle ABC ≅ triangle XYZ by ASA?
Answer: A
Step-by-step explanation:
between A and C, Z and X
AC and XZ lies. so they must be equal to be congruent of the triangles
Suppose that money demand is given by M d
=$Y(0.30−i) where $Y is $250 and i denotes the interest rate in decimal form. Also, suppose that the supply of money is $50. Calculate the equilibrium interest rate as a percent. The equilibrium interest rate is % (Round your response to two decimal places.) If the Federal Reserve wants to increase the interest rate by 10 percentage points (0.1 in decimal form) over and above the equilibrium interest rate determined above, at what level should it set the money supply? The money supply should be set at $. (Round your response to one decimal place.)
The equilibrium interest rate is 10%, and the money supply should be set at $25 to increase the interest rate by 10 percentage points
The equilibrium interest rate and the corresponding money supply can be calculated based on the given money demand and money supply functions.
1. Equilibrium Interest Rate:
To find the equilibrium interest rate, we need to set the money demand equal to the money supply and solve for i.
Md = Ms
$Y(0.30 - i) = $50
Substituting the given value of $Y = $250, we have:
$250(0.30 - i) = $50
Simplifying the equation, we get:
75 - 250i = 50
-250i = 50 - 75
-250i = -25
i = -25 / -250
i = 0.1
The equilibrium interest rate is 0.1, or 10% (as a percentage).
2. Money Supply to Increase Interest Rate by 10 Percentage Points:
If the Federal Reserve wants to increase the interest rate by 10 percentage points above the equilibrium rate, we need to calculate the corresponding money supply.
New Interest Rate = Equilibrium Interest Rate + Increase in Interest Rate
New Interest Rate = 0.1 + 0.1 = 0.2
To find the new money supply, we set the new interest rate in the money demand equation and solve for Ms.
Md = Ms
$Y(0.30 - i) = Ms
$250(0.30 - 0.2) = Ms
$250(0.10) = Ms
Ms = $25
Therefore, the money supply should be set at $25 to achieve an interest rate increase of 10 percentage points above the equilibrium interest rate.
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can someone help me with this question?<3
Walter, Riya, and Teo want to decorate the MPR for a dance. Working alone, Walter and Riya can each do the job in 4 hours while Teo can do the job in 3 hours. If all of them work together, how long will it take to decorate the room? Be sure to answer in hours and minutes. (minutes has to be a fraction)
The time that it would take Walter, Riya and Teo to work together is 1.2 hours
How to solve an equationAn equation is an expression that shows the relationship between two or more numbers and variables.
Walter can decorate the MPR alone in 4 hours, Riya in 4 hours also while Teo in 3 hours.
Let t represent the time it takes to decorate the room together, hence:
(1/4 + 1/4 + 1/3)t = 1
(5/6)t = 1
t = 1.2 hours
The time to work together is 1.2 hours
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Answer:
1 hour and 12 minutes
Step-by-step explanation:
it was right on my rsm homework so its right
Which of the following criteria are used when deciding upon the
inclusion of a variable? Check all that apply.
Group of answer choices
A-Theory
B-t-statistic
C-Bias
D-Adjusted R^2
the criteria used when deciding upon the inclusion of a variable are A - Theory, B - t-statistic, C - Bias, and D - Adjusted R^2.
When deciding upon the inclusion of a variable, the following criteria are commonly used:
A - Theory: Theoretical justification is often considered to include a variable in a model. It involves assessing whether the variable is relevant and aligns with the underlying theory or conceptual framework.
B - t-statistic: The t-statistic is used to determine the statistical significance of a variable. A variable with a significant t-statistic suggests that it has a meaningful relationship with the dependent variable and may be included in the model.
C - Bias: Bias refers to the presence of systematic errors in the estimation of model parameters. It is important to consider the potential bias introduced by including or excluding a variable and assess whether it aligns with the research objectives.
D - Adjusted R^2: Adjusted R^2 is a measure of the goodness of fit of a regression model. It considers the trade-off between the number of variables included and the overall fit of the model. Adjusted R^2 helps in assessing whether the inclusion of a variable improves the model's explanatory power.
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A polynomial function is represented by the data in the table. x -8 -3 2 7 12
Choose the function represented by the data.
Answer:
adding five
Step-by-step explanation:
-8 + 5 = -3
-3 + 5 = 2
2 + 5 = 7
7 + 5 = 12
please help: solve for x
Answer:
Step-by-step explanation:
approximately 7.29
Answer:
\( {x}^{2} + {8.5}^{2} = {11.2}^{2} \)
\( {x}^{2} + 72.25 = 125.44\)
\( {x}^{2} = 53.19 = \frac{5319}{100} \)\( x = \frac{3 \sqrt{591} }{10} = about \: 7.3 \)
Find the values of the sine, cosine, and tangent for
I'm giving 100 points if you answer these questions. CORRECTLY
-3x+5>20
1/2x-12<6
Are they a system or separate inequalities? I'm not sure but either way I will solve each:
\(\begin{bmatrix}-3x+5>20\\ \frac{1}{2}x-12<6\end{bmatrix}\)
\(-3x+5>20,\\-3x>15,\\x<-5\)
\(\frac{1}{2}x-12<6,\\\frac{1}{2}x<18,\\x<36\)
Now if it were a system, the solution would be x<-5, since x<36 is the restriction. Otherwise just take x<-5 and x<36 independent of each other.
Answer:
x< -5, x<36
Step-by-step explanation:
\(-3x+5>20} \atop {\frac{1}{2}x-12<6 }} \right. \\\)
Start with the first equation and solve for x
-3x+5>20
-5 -5
-3x>15
/-3 /-3
x< -5
Do the second:
\(\frac{1}{2}x-12<6\)
+12 +12
\(\frac{1}{2}x\)<18
/0.5 /0.5
x< 36
write an explicit formula for a subscript n, the nth term of the sequence 8, 11, 14,...
please please help
The required explicit formula for the given sequence to determine the nth term is given as nth term = 8 + (n - 1)3.
What is arithmetic progression?Arithmetic progression is the series of numbers that have common differences between adjacent values.
here,
The Sequences 8, 11, 14,...
first term a = 8
common difference = 11 - 8 = 3
Now,
The explicit formula is given as,
nth terms = a + (n - 1)d
nth term = 8 + (n - 1)3
Thus, the required explicit formula for the given sequence to determine the nth term is given as nth term = 8 + (n - 1)3.
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which variables are basic and which variables are nonbasic in this tableau? what basic variables are associated with rows 1, 2, and 3 of this tableau? what are the values of all the variables associated with this basic feasible solution?
In this simplex tableau, x₄, x₅, and z are the basic variables, while x₁, x₂, x₃, x₆, x₇, and x₈ are the nonbasic variables. The values of all the variables associated with this basic feasible solution are x₁ = 0, x₂ = 0, x₃ = 0, x₄ = 620, x₅ = 12, x₆ = 0, x₇ = 0, x₈ = 0, and z = 620.
In this tableau, the basic variables are x₄, x₅, and z, while the nonbasic variables are x₁, x₂, x₃, x₆, x₇, and x₈.
The basic variable associated with row 1 is x₄, the basic variable associated with row 2 is x₅, and the basic variable associated with row 3 is z.
The values of all the variables associated with this basic feasible solution are:
x₁ = 0, x₂ = 0, x₃ = 0, x₄ = 620, x₅ = 12, x₆ = 0, x₇ = 0, x₈ = 0, z = 620.
Note that these values correspond to the entries in the tableau in the "BV" column.
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The missing tableau is in the image attached below
There are 231 cubic inches in 1 gallon. A rectangular container
measures 32 in. by 16 in. by 28 in. A similar container is smaller by a
scale factor of 1/4. Estimate how many more gallons the larger
container holds.
1 gallon contains 231 cubic inches. A rectangular container has dimensions of 32 in. by 16 in. by 28 in. A comparable container is one-quarter the size. Larger container holds 61.1 more gallons.
To solve this question, we have to find the volume of both the containers. First, we will find the volume of the container whose sides are 32 in. by 16 in. by 28 in.
Volume = multiplication of sides
= 32 × 16 × 28 in
= 14,336 inches cube
Now, we will find the sides of the smaller container which is scale factor of 1/4
Side 1 of small container = 1/4 × 32 = 8 in
Side 2 of small container = 1/4 × 16 = 4 in
Side 3 of small container = 1/4 × 28 = 7 in
Volume of container which is small = 8 × 4 × 7 = 224 cu in
Now, we will calculate the difference of volume to find the difference in capacity of containers.
Larger container holds more = 14,336 cu in - 224 cu in
= 14,112 cu in
Now, we will convert it into galloons.
231 cu in = 1 galloon
14,112 cu in = 14,112 / 231 galloons
= 61.1 galloons
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A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 84648464 with a mean life of 886886 minutes. If the claim is true, in a sample of 145145 batteries, what is the probability that the mean battery life would be greater than 904.8904.8 minutes
We can conclude that it is extremely unlikely to obtain a sample mean greater than 904.8 minutes if the design engineer's claim about the population variance and mean is true.
We can use the Central Limit Theorem to approximate the distribution of the sample means.
Under the given assumptions, the mean of the sampling distribution of the sample means is equal to the population mean, which is 886886 minutes, and the standard deviation of the sampling distribution of the sample means is equal to the population standard deviation divided by the square root of the sample size, which is\(\sqrt{84648464/145145} = 41.77\) minutes.
Therefore, we can standardize the sample mean using the formula:
\(z = (\bar{x} - \mu) / (\sigma / \sqrt{n } )\)
where \(\bar{x}\) is the sample mean, \(\mu\) is the population mean, sigma is the population standard deviation, and n is the sample size.
Plugging in the values we get:
z = (904.8 - 886886) / (41.77) = -21115.47
The probability of getting a sample mean greater than 904.8 minutes can be calculated as the area under the standard normal curve to the right of z = -21115.47.
This probability is essentially zero, since the standard normal distribution is symmetric and nearly all of its area is to the left of -6.
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Write an equation in standard form of the line that passes through the given point and the given slope. (-9, -4); m = -1/3
First, we must determine b using slope-intercept form*, the given point, and the given slope.
\(-4 = -\frac{1}{3}(-9) + b\\\\-4 = -3 + b\\\\-1 = b\)
Second, we need to set up the equation of the line in slope-intercept form.
\(y = -\frac{1}{3}x - 1\)
Third, we convert the above equation to STANDARD FORM**.
\(y = -\frac{1}{3}x - 1\\\\\frac{1}{3}x + y = -1\)
We now have our equation: \(\frac{1}{3}x - y = -1\)
*Slope-intercept form: y = mx + b
**Standard form: ax + by = c
A student observes the phases of the moon over the course of 3 months and records observations with pictures each day.
Which option best explains whether or not this approach is an authentic scientific investigation?
This is an authentic investigation because the phases of the moon are changing each day.
This is not an authentic investigation because science requires that you follow the scientific method correctly.
This is an authentic investigation because science does not always have to follow the scientific method.
This is not an authentic investigation because it does not change any variables.
^_____^ (~ ̄▽ ̄)~ Please HeLp
That's great! Observing and recording the phases of the moon over several months can be an interesting project.
Capture the moon's image: Using a camera or smartphone, take a picture of the moon on a daily basis. Aim for clear and focused shots that capture the moon's details.
Present the findings: The student can create a report or presentation summarizing their project, including the methodology, observations, and conclusions. They may also include a selection of the most representative pictures to showcase the changes in the moon's appearance.
Remember, this project requires patience and consistency in taking pictures each day. By documenting the moon's phases over three months, the student will gain a deeper understanding of this celestial phenomenon and its cyclical nature.
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Is the following process correct? If not, which step is where the error occurs, justify your answer. Then rework the problem to find the correct answer.
We are given the following absolute value equation
\(|4x-1|=5x+37\)Let us solve the problem then we will compare it with the given solution.
\(\begin{gathered} |4x-1|=5x+37 \\ 4x-1=\pm(5x+37) \end{gathered}\)Now we will solve for the positive and negative sign separately
\(\begin{gathered} 4x-1=5x+37 \\ 4x-5x=37+1 \\ -x=38 \\ x=-38 \end{gathered}\)\(\begin{gathered} 4x-1=-5x-37 \\ 4x+5x=-37+1 \\ 9x=-36 \\ x=\frac{-36}{9} \\ x=-4 \end{gathered}\)Comparing it with the given solution, there is an error on the left-hand side step 2. (the sign of 38 should be positive but in the figure, it is shown negative)
Now let us substitute the obtained x values into the original absolute value equation and check if they satisfy the equation.
For x = -4:
\(\begin{gathered} |4(-4)-1|=5(-4)+37 \\ |-16-1|=-20+37 \\ |-17|=17 \\ 17=17 \end{gathered}\)Hence, x = -4 is a valid solution.
For x = -38:
\(\begin{gathered} |4(-38)-1|=5(-38)+37 \\ |-152-1|=-190+37 \\ |-153|=-153 \\ 153\ne-153 \end{gathered}\)Hence, x = -38 is not a valid solution.
The above is an example of an extraneous solution.
An extraneous solution is a solution that we get during the process of solving an equation but it is not really the solution meaning that it does not satisfy the equation!
Therefore, x = -4 is the only solution to the given equation.
Please help correct answer wins crowns
Answer:
Given equation: x + 2y = 7
Rearrange the given equation to make y the subject:
\(\sf x + 2y = 7\)
\(\sf \implies 2y=7-x\)
\(\sf \implies y = \dfrac12(7-x)\)
Now input the given x-values into the equation to determine the y-values:
\(\sf x=-2\implies y = \dfrac12(7-(-2))=4.5\)
\(\sf x=-1\implies y = \dfrac12(7-(-1))=4\)
\(\sf x=0\implies y = \dfrac12(7-0)=3.5\)
\(\sf x=1\implies y = \dfrac12(7-1)=3\)
\(\sf x=2\implies y = \dfrac12(7-2)=2.5\)
\(\sf x=3\implies y = \dfrac12(7-3)=2\)
As ordered pairs: (-2, 4.5) (-1, 4) (0, 3.5) (1, 3) (2, 2.5) (3, 2)
Plot the endpoints on the graph (-2, 4.5) and (3,2), then connect with a line segment.
22 * 2\(\left \{ {{y=2} \atop {x=2}} \right. \int\limits^a_b {x} \, dx \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \alpha \pi \neq \sqrt{x} x^{2} \geq \leq\)
Answer:
44 i think :|
x²+xy-18x+8y pls help me it is quick
Answer:
x (y - 18) + X^2 + 8 y
Step-by-step explanation:
you can use wolframalpha.com
I can't find #13 please help
During a thunderstorm, Naazneen used a wind speed gauge to measure the wind gusts. The wind gusts, in miles per hour, were 17, 22, 8, 13, 19, 36, and 14. Identify any outliers in the data set.
Multiple choice question.
A) 8
B) 13.5
C) 36
D) none
None of the wind gusts (17, 22, 8, 13, 19, 36, and 14) fall below -0.5 or above 35.5, there are no outliers in this data set. Therefore, the correct answer is D) none.
To identify any outliers in the data set, we can use a common method called the 1.5 interquartile range (IQR) rule.
The IQR is a measure of statistical dispersion and represents the range between the first quartile (Q1) and the third quartile (Q3) of a dataset. According to the 1.5 IQR rule, any value below Q1 - 1.5 × IQR or above Q3 + 1.5 × IQR can be considered an outlier.
To determine if there are any outliers in the given data set of wind gusts (17, 22, 8, 13, 19, 36, and 14), let's follow these steps:
Sort the data set in ascending order: 8, 13, 14, 17, 19, 22, 36.
Calculate the first quartile (Q1) and the third quartile (Q3).
Q1: The median of the lower half of the data set (8, 13, 14) is 13.
Q3: The median of the upper half of the data set (19, 22, 36) is 22.
Calculate the interquartile range (IQR).
IQR = Q3 - Q1 = 22 - 13 = 9.
Step 4: Identify any outliers using the 1.5 IQR rule.
Values below Q1 - 1.5 × IQR = 13 - 1.5 × 9 = 13 - 13.5 = -0.5.
Values above Q3 + 1.5 × IQR = 22 + 1.5 × 9 = 22 + 13.5 = 35.5.
Since none of the wind gusts (17, 22, 8, 13, 19, 36, and 14) fall below -0.5 or above 35.5, there are no outliers in this data set.
Therefore, the correct answer is D) none.
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A stack of 30 bills consists of 1 dollar bills and 5 dollar bills. If the value is $74, how many 1 dollar bills are there?
Answer:
19 1-dollar bills
Step-by-step explanation:
We will call the number of 1 dollar bills "a"
We will call the number of 5 dollar bills "b"
a + b = 30 (the number of 1 dollar bills + the number of 5 dollar bills = 30 bills in total)
1a + 5b = 74 ("a" 1 dollar bills are worth 1a dollars, and "b" 5 dollar bills are worth 5b dollars. In total they are worth 74 dollars)
Next, you can "solve for a variable" in the first equation to plug into the second equation
b = 30 - a (move "a" to the other side, now "b" is equal to 30 - a)
1a + 5(30-a) = 74 (substitute "b" in the second equation for the new value of "b" you found in the previous step)
1a + 150 - 5a = 74 (distribute out 5(30-a) to get 150 - 5a)
-4a = 74 - 150 (combine like terms)
-4a = -76 --> a = 19 (simplify the right side, and divide both sides by -4 to get answer)
Refer back to the first sentence of the explanation where we said the variable "a" equals the number of $1 bills there are. Therefore, there are 19 $1 bills.
one bouquet of flowers has 3 roses for every 5 carnations. other bouquet has 4 carnations for every 5 daisies. if both bouquets has 20 carnations, which bouquet has more flowers?
Answer:
therefore the second bouquet will have more flowers , as it will have 25 daisies
Step-by-step explanation:
3 roses for every 5 carnations
5 daisies for every 4 carnations
we can solve this using cross multiplication
3 : 5
x : 20
5x = 60
x = 60/5
x = 12
meaning that for a bouquet that has 20 carnations there will be 12 roses
5 : 4
x : 20
4x = 100
x = 25
meaning that for a bouquet that has 20 carnations there will be 25 daisies.
therefore the second bouquet will have more flowers , as it will have 25 daisies
when $\sqrt[4]{400}$ is simplified, the result is $m\sqrt{n}$, where $m$ and $n$ are positive integers and $n$ is as small as possible. what is $m n$?
The value are m = 2 and n = 5, and mn = 2 \cdot 5 = 10.
To simplify \sqrt[4]{400}, we can rewrite it as \sqrt[4]{16 \cdot 25}. This is because 400 can be factored into 16 \cdot 25. Taking the fourth root of each factor separately, we have \sqrt[4]{16} \cdot \sqrt[4]{25}.
\sqrt[4]{16} simplifies to 2, since2^4 = 16. \sqrt[4]{25} does not simplify further since there are no perfect fourth powers that can be multiplied together to give 25.
Therefore, the simplified form of \sqrt[4]{400} is 2\sqrt{25}. We can rewrite \sqrt{25} as 5, so the final simplified form is 2 \cdot 5.
Thus, the value of m = 2 and n = 5, and mn = 2 \cdot 5 = 10.
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Why are the triangles congruent
Answer:
The triangles are congruent because they are both exactly the same.
Select all point that lie on the circle
Answer:
jjjokiioololll.hgyuhhkopohjo
help pls math 30 points
1) On the given graph, when x = -1, f(x) = 7
2) On the given graph, when x = 0, f(x) = 4
How to Interpret Linear Graphs?We are given the graph of the linear function notation y = f(x).
1) Now, we want to find the value of f(x) when x = -1. Thus, we will look for the point where x = -1 is located on the graph and trace the corresponding value of y which gives us; y = 7
2) We want to find the value of f(x) when x = 0. Thus, we will look for the point where x = 0 is located on the graph and trace the corresponding value of y which gives us; y = 4
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What is the reason for statement 7 in the given proof?
A) definition of midpoint
B) definition of slope
C) parallel lines have equal slopes.
D) using point-slope formula
Answer: definition of slope
Step-by-step explanation:
The results in step 7 come from substituting the coordinates into the slope formula.