Answer:
approximately 28.26 square feet
Step-by-step explanation:
The formula for the area of a circle is A = pi(r)^2. So, the radius is half of the diameter, meaning it's 3 feet. Then we square it to get 9, and multiply by pi, or 3.14. This leads us to the approximated answer of 28.26 square feet.
The area is:
28.27 square feet
Work/explanation:
Since the tabletop is circular, we use the formula for a circle's area, which is: \(\bf{A=\pi r^2}\).
We have the diameter, and to find the radius, we divide the diameter by 2, which gives us 6 ÷ 2 = 3 feet, so the radius of the tabletop is 3 feet.
Now, here's a diagram for you;
\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 3\ ft}\end{picture}\)
Plug in the data:
\(\sf{A=\pi\times3^2}\)
\(\sf{A=\pi\times9}\)
\(\sf{A=28.27\:ft^2}\)
Hence, the area is 28.27 square feet.HELP VERY URGENT NEED HELP RIGHT AWAY!!!!
Answer:
I think its A.
Step-by-step explanation:
Answer: B
3x-y=-1
Step-by-step explanation:
Slope of a Perpendicular like is the opposite reciprocal
so slope of the new line is +3
Using the new point
(2,7) write the equation to solve for B
y=mx+b
7=3(2)+b
7=6+b
1=b
then put m and b into equation
y=3x+1
rearrange
3x-y=-1
Which of the following is equal to -27?
Step-by-step explanation:
here's the answer to your question
Answer: Third Choice. 3i√3
Step-by-step explanation:
Concept:
Here, we need to know the idea of radical expression and an imaginary number.
A radical expression is any mathematical expression containing a radical symbol. If you need to multiply the number outside of radical back into the radical, then you need to square the number then multiply.
For example: 2√5. We need to first square 2, which gives us 4. Then, it becomes √(4 × 5) = √20Imaginary numbers are the numbers when squared it gives the negative result. An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i² = −1.
Solve:
3√3 = √(3 × 3²) = √27 FALSE
-3√(3i) = √(3i × (-3)²) = √27i FALSE
3i√3 = √(3 × (3i)²) = √-27 TRUE
3√(3i) = √(3i × 3²) = √27i FALSE
As we can see from above, only the third choice equals √-27.
Hope this helps!! :)
Please let me know if you have any questions
¿como se escribe 115.6 millones
en número?
Answer:
Solo multiplica la cifra mensual por los meses del año (12) es decir
115,6 MC x 12 = 1387,2 MC
MC = Millones de Cerdos
espero que te ayude
Step-by-step explanation:
115,600,000
Aplicando proporciones, hay que 115.6 millones en número es escrito como 115.600.000.
Este problema puede ser solucionado por proporciones, aplicando una regla de três.1 millón es escrito como 1.000.000. ¿como se escribe 115.6 millones ?La regla de três es:
1 millón - 1.000.000
115.6 millones - x
Aplicando multiplicación cruzada:
\(x = 115.6(1.000.000) = 115.600.000\)
115.6 millones en número es escrito como 115.600.000.
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what slope would make the lines parallel?
Answer:
? = 1
Step-by-step explanation:
Same slope but different y-intercepts always make lines parallel.
A regular octagon has a side length of 7 inches.
a. How many sides does an octagon have?
b. Find its perimeter.
a. An octagon has 8 sides.
b. The perimeter is _____
inches.
milligrams would you administer?
17. How many milligrams of Rocephin are left in a vial containing
Rocephin 2 grams after 750 milligrams are removed?
Answer:
1250 miligrams.
Step-by-step explanation:
Simple conversion, 2 grams = 2000 miligrams - 750 milligrams = 1250 miligrams.
Write a linear function f with f(-3) = 1 and f(13)=5
Step-by-step explanation:
hope it helps................
please assist with these questions thanks
1a. The percentage total return is -19.56%
1b. The dividend yield is 2.42%.
1c. The capital gains yield is -21.98%.
2a. The arithmetic average annual return on large-company stocks in nominal terms is 14.5%.
2b. The arithmetic average annual return on large-company stocks in real terms is 9.67%.
3a. The real return on long-term government bonds is 3.195%
3b. The real return on long-term corporate bonds is 3.291%
How to calculate the percentage total return?In Financial accounting, the percentage total return (P) can be calculated by using this formula;
P = [(Ending price - Initial price) + Dividend] ÷ Initial price
P = [(71 - 91) + 2.20] ÷ 91
P = -0.1956 or -19.56%
1b. For the dividend yield, we have:
Dividend yield = Dividend ÷ Initial price
Dividend yield = 2.20 ÷ 91
Dividend yield = 0.0242 or 2.42%
1c. For capital gains yield, we have:
Capital gains yield = (Ending price - Initial price) ÷ Initial price
Capital gains yield = (71 - 91) ÷ 91
Capital gains yield = -0.2198 or -21.98%.
Part 2.
a. The arithmetic average of annual return on large-company stocks in nominal terms is equal to 14.5%.
b. For arithmetic average annual return in real terms, we have:
(1 + 0.145) = (1 + r)(1 + 0.044)
r = (1.145/1.044) - 1
r = 9.67%
Part 3.
a. For real return on the long-term government bonds, we would apply Fisher equation:
(1 + i) = (1 + r)(1 + h)
Where:
i is the nominal interest rate.r is the real interest rate.h is the inflation rate.(1 + 0.066) = (1 + r)(1 + 0.033)
1 + r = 1.066/1.033
r = 3.195%
b. For real return on long-term corporate bonds:
(1 + 0.067) = (1 + r)(1 + 0.033)
1 + r = 1.067/1.033
r = 3.291%
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Compare negative one and six tenths repeating and negative five thirds using symbols <, >, or =. negative one and six tenths repeating is less than negative five thirds negative one and six tenths repeating is greater than negative five thirds negative five thirds is equal to negative one and six tenths repeating negative five thirds is greater than negative one and six tenths repeating
Answer:
-1 6/10
is greater than
- 5/3
Step-by-step explanation:
Explain why inequalities of the form x > cor
x
Step-by-step explanation:
Write an inequality of the form x > c or x < c to represent a constraint or condition in a real-world or mathematical problem. Recognize that inequalities of the form x > c or x < c have infinitely many solutions; represent solutions of such inequalities on number line diagrams.
Are the experimental probabilities after 300 trials closer to the theoretical probabilities?
After 300 trials, the experimental probabilities may not align perfectly with the theoretical probabilities. However, with more trials, the experimental probabilities tend to converge towards the theoretical probabilities for closer alignment.
To examine whether experimental probabilities after 300 trials align closely with theoretical probabilities, let's consider an example of flipping a fair coin.
Theoretical probability: When flipping a fair coin, the theoretical probability of obtaining heads or tails is 0.5 each. This assumes that the coin is unbiased and has an equal chance of landing on either side.
Experimental probability: After conducting 300 trials of flipping the coin, we record the outcomes and calculate the experimental probabilities. Let's assume that heads occurred 160 times and tails occurred 140 times.
Experimental probability of heads: 160/300 = 0.5333
Experimental probability of tails: 140/300 = 0.4667
Comparing the experimental probabilities to the theoretical probabilities, we can observe that the experimental probability of heads is slightly higher than the theoretical probability, while the experimental probability of tails is slightly lower.
In this particular example, the experimental probabilities after 300 trials do not align perfectly with the theoretical probabilities. However, it is important to note that these differences can be attributed to sampling variability, as the experimental outcomes are subject to random fluctuations.
To draw a more definitive conclusion about the alignment between experimental and theoretical probabilities, a larger number of trials would need to be conducted. As the number of trials increases, the experimental probabilities tend to converge towards the theoretical probabilities, providing a closer alignment between the two.
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The question probable may be:
Do experimental probabilities after 300 trials tend to align closely with theoretical probabilities? Consider an example scenario and calculate both the theoretical and experimental probabilities to determine if they are close.
what is the range of 17, 12, 28, 21, 14, 74, 32, 14, 25, 23
Answer:
it's 22 I hope you got it right if not then i'm sorry
Answer:
62
Step-by-step explanation:
What is the difference of the fractions below? 10x/3-2x/3 2x 13 3 A. 8 B. 8x C. 8x/3 D. 8/3x
The difference of the fractions is 8x/3. Option C is correct.
Given the fraction is 10x/3-2x/3.
When subtracting fractions with the same denominator, just subtract the numerators of the fractions. To find the difference between equal fractions, we subtract the smaller numerator from the larger numerator.
The given expression is 10x/3-2x/3.
Here the denominator in both the fractions are same so, we will take the LCM, we get
10x/3-2x/3=(10x-2x)/3
Now, we will simplify the numerator by subtracting the smaller term from larger, we get
10x/3-2x/3=8x/3
Hence, the difference of the fractions 10x/3-2x/3 is 8x/3 and the correct option is C.
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Dennis is getting balloons for his grandmother's birthday party. He wants each balloon string to be 9 feet long. At the party store, string is sold by the yard. If Dennis wants to get 56 balloons, how many yards of string will he need?
1 foot = 1/3 yard
Answer:
168 yards
Step-by-step explanation:
3 feet = 1 yard
9 (ft for each balloon) x 56 (# of balloons.) = 504 (ft of string needed in total)
504 (ft in total) divided by 3 (three feet = 1 yard) = 168 (yards of string needed)
does this data represent a direct variation or an inverse variation? x6 y 9, x 8 y 12, x 12 y 18, x 20 y 30
Answer:
it is a direct variation because k is proportionally constant
Step-by-step explanation:
direct variation is y=k.x
inverse variation is k=y.x or y=k/x
6/9 = 2/3
8/12=2/3
12/18=2/3
20/30=2/3
i even add a graph for you
Determine the equation of the circle with radius 9 and center ( − 1 , − 8 ).
The equation of the circle with radius 9 and center ( -1,-8 ) is( x + 1 )² + ( y + 8 )² = 81.
What is the equation of the circle?The standard form equation of a circle with center (h, k) and radius r is:
( x - h )² + ( y - k )² = r²
Given that the circle has a center of (-1, -8) and the radius is 9.
Hence; from the standard form of the equation of the circle:
Center ( h , k ) = ( -1, -8 )
h = -1
k = -8
And radius r = 9
Plug these values into the above formula and simplify.
( x - h )² + ( y - k )² = r²
( x - ( -1 ) )² + ( y - ( -8 ) )² = 9²
Simplify
( x + 1 )² + ( y + 8 )² = 81
Therefore, the equation of the circle is ( x + 1 )² + ( y + 8 )² = 81.
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In a Scrabble tournament, the scores were normally distributed and the mean score was 420.2 points with a standard deviation of 105.0 points. What is the probability that the score of a randomly selected competitor differs from the mean score by less than 50 points
Answer:
\(P(370.2<X<450.2)=P(\frac{370.2-\mu}{\sigma}<\frac{X-\mu}{\sigma}<\frac{450.2-\mu}{\sigma})=P(\frac{370.2-420.2}{105}<Z<\frac{450.2-420.2}{105})=P(-0.762<z<0.286)\)
And we can find this probability with this difference:
\(P(-0.762<z<0.286)=P(z<0.286)-P(z<-0.762)= 0.613- 0.223= 0.390\)
Step-by-step explanation:
Let X the random variable that represent the scores of a population, and for this case we know the distribution for X is given by:
\(X \sim N(420.2,105)\)
Where \(\mu=420.2\) and \(\sigma=105\)
We are interested on this probability
\(P(X<50)\)
And we can use the z score formula given by:
\(z=\frac{x-\mu}{\sigma}\)
And replacing we got:
\(P(370.2<X<450.2)=P(\frac{370.2-\mu}{\sigma}<\frac{X-\mu}{\sigma}<\frac{450.2-\mu}{\sigma})=P(\frac{370.2-420.2}{105}<Z<\frac{450.2-420.2}{105})=P(-0.762<z<0.286)\)
And we can find this probability with this difference:
\(P(-0.762<z<0.286)=P(z<0.286)-P(z<-0.762)= 0.613- 0.223= 0.390\)
Solve the following simultaneous linear equations by the Elimination method:
(show work)
5x-2y=14
x+3y=13
Answer:
{x,y} = {-4,3}
Answer:
x = 4 and y = 3
Step-by-step explanation:
a) 5x - 2y = 14
b) x + 3y = 13
b) x = -3y + 13
a) 5 (-3y + 13) - 2y = 14
-15y + 65 - 2y = 14
-17y = 14 - 65
y = 51/17
y = 3
b) x + 3(3) = 13
x = 13 - 9
x = 4
Which phrase matches the algebraic expression below? (1 point)
2(x + 7) + 10
a)
Two times the sum of x and seven plus ten
b) Two times the difference of x and seven plus ten
c) Two times x minus seven plus ten
d) Two times x plus the sum of seven and ten
given jl with J(-9, -5) and L(5,16), if K lies on JL and partitions it such that the ratio of JK to KL is 2:5, find the coordinates of K
Answer:
The coordinates of K is (-5,1)
Step-by-step explanation:
Given
\(J = (-9,-5)\)
\(L = (5,16)\)
\(JK:KL = 2:5\)
Required
Determine K
Using Line ratio formula;
We have:
\(K(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})\)
Where
\((x_1,y_1) = (-9,-5)\)
\((x_2,y_2) = (5,16)\)
\(m:n = 2:5\)
So; we have:
\(K(x,y) = (\frac{2 * 5 + 5 * -9}{2+5},\frac{2 * 16 + 5 * -5}{2+5})\)
\(K(x,y) = (\frac{10 -45}{7},\frac{32 -25}{7})\)
\(K(x,y) = (\frac{-35}{7},\frac{7}{7})\)
\(K(x,y) = (-5,1)\)
you spin each spinner and find the sum how many different sums are possible
Answer:
let's use a sample set.
8+8, 8+4, 8+5, 8+6, 8+7
4+8, 4+4, 4+5, 4+6, 4+7
5+8, 5+4, 5+5, 5+6, 5+7
6+8, 6+4, 6+5, 6+6, 6+7
7+8, 7+4, 7+5, 7+6, 7+7
There is 25 sums.
Based on the simulation, what proportion of the 95 percent confidence intervals capture the population proportion of 0.3? Explain how you determined your answer.
Using the concept of a confidence interval, it is found that 95% of the 95% confidence intervals will capture the population proportion.
What is the interpretation of a x% confidence interval?It means that we are x% confident that the population parameter(mean/proportion/standard deviation) is between a and b, that is, x% of intervals capture the population parameters.
In this problem, applying the interpretation, 95% of the 95% confidence intervals will capture the population proportion.
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P(x)=3-x even, odd, or neither
Accοrding tο the prοperty οf functiοns, the functiοn P(x) is neither even nοr οdd.
What is functiοn?A functiοn is a relatiοn between a set οf inputs and a set οf pοssible οutputs, with the prοperty that each input is related tο exactly οne οutput.
Tο determine whether a functiοn is even, οdd, οr neither, we need tο examine its symmetry:
1) Even functiοns have symmetry abοut the y-axis.
2) Odd functiοns have rοtatiοnal symmetry abοut the οrigin.
3) A functiοn is neither even nοr οdd if it dοesn't have either οf these symmetries.
Nοw let's cοnsider the functiοn P(x) = 3 - x.
If we replace x with -x in the functiοn, we get:
P(-x) = 3 - (-x) = 3 + x
Tο determine if P(x) is even οr οdd, we need tο cοmpare P(x) and P(-x):
P(x) = 3 - x
P(-x) = 3 + x
If we reflect the graph οf P(x) abοut the y-axis (i.e., replace x with -x), we get P(-x), which is nοt the same as P(x).
Therefοre, the functiοn P(x) is neither even nοr οdd
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What growth factor would be needed to provide 1/12th of 12% interest each month
1.01 is the growth factor that would be needed to provide 1/12th of 12% interest each month.
What are exponential growth and decay?A rise in the resultant quantity for a given quantity is referred to as exponential growth, and a decrease in the resultant quantity for a given quantity is referred to as exponential decay. Over time, exponential functions monitor constant growth. Examples from the actual world include radioactive decay, compound interest, and bacterial proliferation.
Given, the growth factor would be needed to provide 1/12th of 12% interest each month
Remember the formulas:
Increasing: y = a (1 + r)ˣ
Decreasing: y = a(1 - r)ˣ
(1 ± r is the growth factor, while r is the growth rate)
In our case,
since it is an interest It will show the growth rate
Growth rate = 12% of 1/12
Growth rate = 1%
Growth rate = 0.01
Thus,
Growth factor = 1 + r
Growth factor = 1 + 0.01
Growth factor = 1.01
Therefore, The growth factor will be 1.01.
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A number less than six
A rectangle has perimeter 104
cm and its length is 1
cm more than twice its width.
the width of the rectangle is 17 cm, and the length is 2w + 1 = 35 cm.
Why it is and what does a rectangle mean?
Let the width of the rectangle be "w" cm.
Then, the length of the rectangle is "2w + 1" cm. (since the length is 1 cm more than twice its width)
The perimeter of the rectangle is the sum of the four sides, which is:
P = 2l + 2w
where "l" is the length and "w" is the width.
Substituting the values given in the problem, we get:
104 = 2(2w + 1) + 2w
Simplifying the equation, we get:
104 = 4w + 2 + 2w
104 = 6w + 2
6w = 102
w = 17
Therefore, the width of the rectangle is 17 cm, and the length is 2w + 1 = 35 cm.
A rectangle is a four-sided flat shape with four right angles (90 degree angles) formed by two pairs of parallel lines. The opposite sides of a rectangle are equal in length, and the adjacent sides are perpendicular to each other.
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DQ1: Consider the vertex matrix T in application 1 page 185. How can we extend this into 3 dimensional objects in space? Add a vector, or vectors to T and describe the object for which you have created vertices (i.e., a cube, a pyramid, etc.) What are the dimensions of your new matrix? What do the dimensions represent?
Thus, for any vector x = (x1, x2, x3) in R3, we have: L(x) = Ax where A is the matrix given above.
What is matrix?A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. Matrices are used extensively in mathematics, science, engineering, and computer science to represent and manipulate linear equations, systems of equations, vectors, and other mathematical objects. Matrices can be added, subtracted, multiplied, inverted, and transformed in various ways to solve problems in algebra, calculus, statistics, and other fields. Matrices are also used in computer graphics, machine learning, and other areas of artificial intelligence to represent data, images, and other information. The size of a matrix is given by its number of rows and columns, and matrices can be classified as square (when they have the same number of rows and columns) or rectangular (when they have different numbers of rows and columns).
Here,
To find the matrix A that corresponds to the linear transformation L, we need to write L(e1), L(e2), and L(e3) as linear combinations of the standard basis vectors in R2.
L(e1) = (1+0, 0+0) = (1, 0)
L(e2) = (0+1, 1+0) = (1, 1)
L(e3) = (0+0, 1+0) = (0, 1)
So we can write:
L(x) = L(x1 e1 + x2 e2 + x3 e3)
= x1 L(e1) + x2 L(e2) + x3 L(e3)
Now we can assemble the coefficients of this linear combination into a matrix A:
A= \(\left[\begin{array}{ccc}1&1&0\\0&1&1\end{array}\right]\)
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the equation below represents the total price of Michigan State University per semester where c represents the number of classes and t represents the total cost for the semester including a one time fee for room and board
The equation that represents the total price of Michigan State University per semester is determined by the number of classes taken (c) and the total cost for the semester, which includes a one-time fee for room and board (t).
The equation captures the relationship between these variables and calculates the overall cost for a student attending the university. It is important to note that the equation provides a quantitative representation and does not take into account other factors such as scholarships, financial aid, or additional expenses. Therefore, the equation serves as a useful tool for estimating the total cost of attending Michigan State University, allowing students and their families to plan and budget accordingly for their education.For such more question on equation
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Find the value of x.
(5x-11)
V
(3x - 7)º
Answer:
1222222+1222222
Step-by-step explanation:
and then add doodod
A group of students at a high school took a standardized test. The number of students who passed or failed the exam is broken down by gender in the following table. Determine whether gender and passing the test are independent by filling out the blanks in the sentence below, rounding all probabilities to the nearest thousandth.
Passed Failed
Male 33 8
Female 66 16
Since P(male)×P(fail) = and P(male and fail) = , the two results are___ so the events are___
Since, P(male)*P(fail)= 0.33 and P(male and fail) = 0.33 , the two results are equal and independent.
What is Probability?
The possibility of outcome of any event is found by probability. as for an example whenever we toss a coin in the air, then what is the possibility that we get a head? Only based on possible outcomes we can answer this question. It is that part of events which deals with the results of random events. We can basically call it as prediction of any event that is based on study of previous record or the type and no of possible outcome.
Probability of happening of an event= Total no of favorable outcomes/ Total no of outcomes
Here in this question;
P(male/fail)= P(male and fail)/P(fail)
= \(\frac{8/123}{(8+16)/123}\)
=\(\frac{8}{24} = \frac{1}{3} = 0.33\)
P(male) = \(\frac{33+8}{123} = \frac{41}{123} =\frac{1}{3} = 0.33\)
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