Thus, the area of sector for the given circle is found to be: 28.25 sq. in.
Explain about the area of the sector?The area enclosed by two radii and thus the circle is referred to as a sector in a circle.
Since it is a fractional component of the circle, the area of any sector is obtained by multiplying total area of the circle, pi*r^2, but by fraction x/360, where x is the magnitude of the central angle created by the two radii.
Calculating the area of a segment also uses the area of a sector.:
Given data:
Sector angle = 90 degrees.
radius r = 6 in.
Area of sector = 90/ 360 * π*r²
Area of sector = 90/ 360 * 3.14 *6²
Area of sector = 28.25 sq. in.
Thus, the area of sector for the given circle is found to be: 28.25 sq. in.
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The box plot below represents some data set. What percentage of the data values are between 110 and 170?
The percentage of the data values are between 110 and 170 = 37.5%
We know that in the box plot, the first quartile is nothing but 25% from smallest to largest of data values.
The second quartile is nothing but between 25.1% and 50% (i.e., till median)
The third quartile: 51% to 75% (above the median)
And the fourth quartile: 25% of largest numbers.
In the attached box plot, we can observe that between two numbers on the number line there are 5 equal parts.
So, each unit length measures 10 units.
Also, the median of the data = 110
We need to find the percentage of the data values are between 110 and 170.
i.e., the percentage of the data values are in the third quartile.
The range of this box plot is: 190 - 30 = 160
The data values are between 110 and 170 = 60
Using percentage formula,
P = (60/160) × 100
P = 37.5%
This is the required percentage.
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Find the complete question below.
what is the remainder in the synthetic division below
The Remainder in the Synthetic division is three, for given problem
1 |__1___2__-3__3 is 3.
So, the correct option is option(c).
The Synthetic Division:
It is defined as the method of dividing the polynomial by the binomial is known as the synthetic division. It stands for polynomial division. Here, the division principle is performing in the coefficient of the polynomial.
We have given that the synthetic division is
1 |__1___2__-3__3
We find out the remainder in the synthetic division :
Multiply the carry-down value (i.e 1) by the test zero on the left, and carry the result(i.1×1 = 1) up into the next column inside:
1 | 1 2 -3 3
|______________
1
Add down the column( 2+1 = 3) :
1 | 1 2 -3 3
|____1_________
1 3
Multiply the previous carry-down value (i.e 3) by the test zero, and carry the new result up into the last column:
1 | 1 2 -3 3
|____1____3____
1 3 0
1 | 1 2 -3 3
|____1____3___0_
1 3 0 3
three, last carry-down value is the remainder.
Therefore, the remainder is 3. The option c is correct.
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Complete question:
What is the remainder in the synthetic division problem below?
a. 6
b. 4
c. 3
d. 5
Va rog sa ma ajutati cat mai repede!
Answer: English please
Step-by-step explanation:
How to break down 14 as a prime number
To get the prime factorization of 14, we divide it by its smallest prime factor which is 2. Now, 14 is divided by the remaining prime factors 3, 5, 7, 11, and 13. 14 is only divisible by 7 and we get the quotient as 2. Thus, 14 has 2 prime factors.
Edit: No they copied me!!!
Two books, A and B, are sold in three stores, X, Y and Z. The number of copies of book A sold in a month is 40, 20, and 60 from stores X, Y, and Z, respectively. The number of copies of book B sold is 10, 70, and 20 from X, Y, and Z, respectively. The profit from the sales of book A is $4, and the profit from the sales of book B is $1 for all the three stores. Which matrix represents the profit from the sales of book A for each store?
The matrix representing the profit from the sales of book A for each store is:
[ $4 ]
[ $4 ]
[ $4 ]
To represent the profit from the sales of book A for each store, we can use a matrix where the rows correspond to the stores (X, Y, Z) and the columns correspond to the book A.
The matrix representing the profit from the sales of book A for each store is as follows:
Store Book A
X $4
Y $4
Z $4
Therefore, the matrix representing the profit from the sales of book A for each store is:
[ $4 ]
[ $4 ]
[ $4 ]
Each element in the matrix represents the profit from the sales of book A in a specific store, which is $4 for all stores (X, Y, Z).
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please help it's due tomorrow
Answer:
B. -414,720 x⁷y⁶
Step-by-step explanation:
To find the 4th term of the expansion of (2x - 3y²)¹⁰, we can use the binomial theorem.
The binomial theorem states that for an expression of the form (a + b)ⁿ:
\(\displaystyle (a+b)^n=\binom{n}{0}a^{n-0}b^0+\binom{n}{1}a^{n-1}b^1+...+\binom{n}{r}a^{n-r}b^r+...+\binom{n}{n}a^{n-n}b^n\\\\\\\textsf{where }\displaystyle \rm \binom{n}{r} \: = \:^{n}C_{r} = \frac{n!}{r!(n-r)!}\)
For the expression (2x - 3y²)¹⁰:
a = 2xb = -3y²n = 10Therefore, each term in the expression can be calculated using:
\(\displaystyle \boxed{\binom{n}{r}(2x)^{10-r}(-3y^2)^r}\quad \textsf{where $r = 0$ is the first term.}\)
The 4th term is when r = 3. Therefore:
\(\begin{aligned}\displaystyle &\;\;\;\;\:\binom{10}{3}(2x)^{10-3}(-3y^2)^3\\\\&=\frac{10!}{3!(10-3)!}(2x)^7(-3y^2)^3\\\\&=\frac{10!}{3!\:7!}\cdot2^7x^7(-3)^3y^6\\\\&=120\cdot 128x^7 \cdot (-27)y^6\\\\&=-414720\:x^7y^6\\\\ \end{aligned}\)
So the 4th term of the given expansion is:
\(\boxed{-414720\:x^7y^6}\)
find KP in simplest radical form id K(5,6) and P(1, -4)
Answer:
move over 5 to the right and 6 up
move 1 to the right and 4 down to get your answer
grace thought of a number, added 7, multiflied by 3, took away 5 and divided by 4 to give an answer of 7
Answer:
Step-by-step explanation:
To find the number that Grace thought:
We'll represent the unknown number as "x."
"Added 7": This can be represented as (x + 7).
"Multiplied by 3": This becomes 3 * (x + 7).
"Took away 5": This is represented as 3 * (x + 7) - 5.
"Divided by 4": This gives (3 * (x + 7) - 5) / 4.
"To give an answer of 7": The equation is (3 * (x + 7) - 5) / 4 = 7.
Now we can solve for x:
(3 * (x + 7) - 5) / 4 = 7
Multiply both sides by 4 to eliminate the denominator:
3 * (x + 7) - 5 = 28
Simplify the left side:
3x + 21 - 5 = 28
Combine like terms:
3x + 16 = 28
Subtract 16 from both sides:
3x = 12
Divide both sides by 3:
x = 4
Therefore, the number that Grace thought of is 4.
In each of the following graphs, find the lengths of the line segments shown. Write your answers (in simplest
radical form if they are not integers.
(a)
B
(b)
Q
The length of the two segments, written as radicals, are:
AB = √117
PQ = √244
How to find the length of the segments shown?Remember that for a segment whose endpoints are (x₁, y₁) and (x₂, y₂), the length of the segment is:
L = √( (x₂ - x₁)² + (y₂ - y₁)²)
First, for the segment AB the endpoints are:
A = (-4, -4)
B = (2, 5)
Then the length is:
L = √( (-4 - 2)² + (-4 - 5)²)
L = √117
For the segment PQ the endpoints are:
P = (-6, 8)
Q = (6, -2)
The length is:
L = √( (-6 - 6)² + (8 + 2)²)
L = √244
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A variable takes only two distinct values a and b, each with equal frequency. Find the second and
third central moments.
Answer:
Second central moment = \((a^2 - ab + b^2) / 4\\\)
Third central moment = \((a^3 - 3a^2b + 3ab^2 - b^3) / 8\)
Step-by-step explanation:
The second central moment (also known as the variance) of a variable that takes two distinct values a and b, each with equal frequency, is given by:
Second central moment = (a - mean)^2 * frequency(a) + (b - mean)^2 * frequency(b)
where mean is the mean value of the variable, frequency(a) is the frequency with which the value a occurs, and frequency(b) is the frequency with which the value b occurs.
Since the values a and b have equal frequency, the mean value of the variable is simply the average of a and b:
mean = (a + b) / 2
Substituting this expression for the mean into the formula for the second central moment, we get:
Second central moment = (a - ((a + b) / 2))^2 * frequency(a) + (b - ((a + b) / 2))^2 * frequency(b)
= (a^2 - ab + b^2) / 4
The third central moment (also known as the skewness) of a variable that takes two distinct values a and b, each with equal frequency, is given by:
Third central moment = (a - mean)^3 * frequency(a) + (b - mean)^3 * frequency(b)
Substituting the expression for the mean and the frequencies into this formula, we get:
Third central moment = (a - ((a + b) / 2))^3 * (1/2) + (b - ((a + b) / 2))^3 * (1/2)
= (a^3 - 3a^2b + 3ab^2 - b^3) / 8
I hope this helps! Let me know if you have any questions.
What is the sum of the measures of the exterior angles of a 32-gon. A. 180° B. 360° C. 148° D.5400°
the sum of the measures of the exterior angles of a 32-gon is d. 5400
HELP HELP NOW.BRO PLEASE. Benjamin is planning what to wear tomorrow evening.
• He has 3 shirts to choose from: red, white, and green.
• He has 2 pairs of pants to choose from: blue jeans and khaki pants.
• He has 3 pairs of shoes to choose from: sneakers, flip flops, and boots.
Benjamin randomly chooses one item from each group. What is the probability that he chooses
sneakers and the green shirt?
Answer:1/9 i gotchu
Step-by-step explanation:
Answer:
4/8
Step-by-step explanation:
What are the new coordinates if the figure were rotated 90 degrees counterclockwise
Answer:
third option
Step-by-step explanation:
under a counterclockwise rotation of 90° about the origin
a point (x, y ) → (y, - x )
Then
A (- 1, - 2 ) → (- 2, - (- 1) ) → (- 2, 1 )
B (2, - 2 ) → (- 2, - 2 )
C (1, - 4 ) → (- 4, - 1 )
The new coordinates are (d) A = (2, -1) B = (2, 2) and C = (4, 1)
How to determine the new coordinates rotating by 90 degrees counterclockwiseFrom the question, we have the following parameters that can be used in our computation:
The figure,
Where, we have
A = (-1, -2)
B = (2, -2)
C = (1, -4)
The rule of 90 degrees counterclockwise is
(x, y) = (-y, x)
Using the above as a guide, we have the following:
A = (2, -1)
B = (2, 2)
C = (4, 1)
Hence, the new coordinates are (d) A = (2, -1) B = (2, 2) and C = (4, 1)
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A slide 4.1 meters long makes an angle of 35° with the ground. To the nearest tenth of a meter, how far above the ground is the top of the slide?
Answer:
The distance between the ground and the top of the slide is 2.4 meters.
Given:
The length of the slide is 4.1 meters.
The angle between slide and ground is 35 degrees.
To find:
The distance between the ground and the top of the slide.
Explanation:
Let be the distance between the ground and the top of the slide.
Using the given information draw a figure as shown below.
In the below figure,
Therefore, the distance between the ground and the top of the slide is 2.4 meters.
Find the side length of a cube with a volume of 141 f3 If necessary, round your answer to the nearest tenth.
The side length of the cube is 5.6 feet (rounded to the nearest tenth).
We can calculate the side length of a cube with a volume of 141 cubic feet using the formula for cube volume , which is \(V = s^3\), where V is the volume and s is the side length.
We can calculate s by taking the cube root of both sides of the equation:
\(s = (V)^{(1/3)\)
Substituting V = 141, we get:
\(s = (141)^{(1/3)\)
By using a calculator to evaluate this expression, we may determine:
s ≈ 5.6
As a result, the cube's side length is roughly 5.6 feet (rounded to the closest tenth). This indicates that if we increase the side length by three, it will become longer. (\(s^3\)), we will get the volume of the cube, which is 141 cubic feet.
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The shadow of a building is 30m long when the angle of elevation of the sun is 56°. Calculate the:
(a) height of the building
(b) length of shadow when the sun is at an angle of 32°.
Answer:
(a) height: 44.5 m
(b) shadow: 71.2 m
Step-by-step explanation:
You want building height and shadow length for angles of elevation 56° and 32°, given the shadow is 30 m when elevation is 56°.
Trig relationThe building height and shadow length are the sides opposite and adjacent (respectively) to the elevation angle in the right triangle that models the geometry. The trig function that relates these sides to the angle is the tangent function:
Tangent = Opposite/Adjacent
Application(a) building height
Using the tangent relation, we have ...
tan(56°) = (height)/(30 m)
height = (30 m)(tan(56°)) ≈ 44.4768 m
The height of the building is about 44.5 meters.
(b) shadow length
Using the same relation with the building height known, we have ...
tan(32°) = (44.4768 m)/(shadow)
shadow = (44.4768 m)/tan(32°) ≈ 71.1778 m
The length of the shadow at an angle of 32° is about 71.2 m.
Anyone willing to answer this question
Answer:
C.
Step-by-step explanation:
To get a perpendicular line, the slope will be the opposite of what you currently have. You have a slope of 2, so the opposite reciprocal slope will be -1/2. Then, you use the equation y = mx+b and substitute (2,5) for the y and the x (2 for the x and 5 for the y). This is to solve for b. Then, you have your equation! Hope this helped.
Find the height of the tower using the information given in the illustration.
using SOH CAH TOA
Tan 85.144 =h/130
h=tan 85.144*130
h=1530.19 fr
Combining like terms
5h-6-8+7h
The combined like terms form the expression 5h - 6 - 8 + 7h is 12h - 14.
To combine like terms in the expression 5h - 6 - 8 + 7h, we group the terms with the same variable, h, together.
First, let's combine the terms with h:
5h + 7h = 12h.
Now, let's combine the constant terms:
-6 - 8 = -14.
Putting it all together, the expression simplifies to:
12h - 14.
Thus, the combined like terms form the expression 12h - 14.
When combining like terms, we add or subtract coefficients that have the same variable raised to the same power. In this case, both terms have h, so we can add their coefficients, 5 and 7, to get 12h. The constant terms, -6 and -8, can be added together to give -14.
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What the meaning of statement this?
The axiom of regularity is a set theory principle which states that every non-empty set C contains an element that is disjoint from C.
Axiom of RegularityThe set theory concept rules that for every non-empty set C there is an element x of C such that x does not intersect C. The regularity axiom aims to establish that no non-empty set will have itself as an element.
The principle which is also called the axiom of foundation is a fundamental concept in set theory and credited to Zermelo–Fraenkel.
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A test was given to a group of students. The grades and gender are summarized below
A B C Total
Male 3 10 12 25
Female 14 2 13 29
Total 17 12 25 54
If one student is chosen at random from those who took the test,
Find the probability that the student got a 'A' GIVEN they are male.
The probability that the student got an 'A' given they are male is approximately 0.12 or 12%.
To find the probability that a student got an 'A' given they are male, we need to use Bayes' theorem:
P(A | Male) = P(Male | A) × P(A) / P(Male)
We can find the values of the terms in the formula using the information given in the table:
P(Male) = (25/54) = 0.46 (the proportion of all students who are male)
P(A) = (17/54) = 0.31 (the proportion of all students who got an 'A')
P(Male | A) = (3/17) = 0.18 (the proportion of all students who are male and got an 'A')
Therefore, plugging these values into the formula:
P(A | Male) = 0.18 × 0.31 / 0.46
P(A | Male) ≈ 0.12
So the probability that the student got an 'A' given they are male is approximately 0.12 or 12%.
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It's in the picture !
The position of √17 between 4 and 5, which is nearer 5, and the location of 6, which is between 2 and 3, which is nearer 2.
What is Number line?A visual representation of real numbers in a linear manner is a number line. It is a straight line that is divided into intervals or segments, each of which stands for a distinct real number value.
Number lines can be vertical or horizontally oriented, and they can also have a positive or negative orientation. Positive numbers often extend to the right or up, whereas negative numbers typically extend to the left or down. The origin of the number line, or zero, is typically situated in the middle of the line.
The number line is a crucial tool in mathematics since it offers a means of representing numerical relationships visually and carrying out fundamental arithmetic operations. For instance, positive and negative motions along a number line can be used to depict addition and subtraction, respectively, with positive movements denoting addition and negative movements denoting subtraction. On a number line, multiplication and division can alternatively be shown as repeated addition or subtraction.
If we have a number line with the proper markings, we may indicate where the square roots of 17 and 6 are located as follows:
To begin, determine the approximate square root values:
√17 is between 4 and 5, since 4² = 16 and 5² = 25.
√6 is between 2 and 3, since 2² = 4 and 3² = 9.
Place the number √17 closer to 5, between 4 and 5.
Place the number √6 between the numbers 2 and 3, closer to 2.
Since 6 and 17 are not integers and their values are not evenly spaced, it should be noted that their markings will not be evenly spaced on the number line.
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Number line attached below,
1. What is the breakeven point in unit sales and dollars for each type of filter at the current sales mix?
For fau/cet filter:
The break-even point in unit sales is 28,571 units.The break-even point in dollar is $2,571,390.For pitcher-filter:
The break-even point in unit sales is 22,222 units.The break-even point in dollar is $2,444,420.How do we calculate breakeven point in unit sales and dollars?Let's start with the fau/cet model:
Contribution margin per unit = selling price - variable cost
Contribution margin per unit = $90 - $25
Contribution margin per unit = $65
Contribution margin ratio = contribution margin per unit / selling price
Contribution margin ratio = $65 / $90
Contribution margin ratio = 0.722
The sales mix is 2 faucet models for every 3 pitcher filters sold, so the contribution margin weighted average is:
= (2/5)($65) + (3/5)($90-$20)
= $42
Now we can calculate the break-even point in units for the faucet model:
= Total fixed costs / contribution margin per unit
= $1,200,000 / $42
= 28,571 units
For pitcher filter:
Contribution margin per unit = selling price - variable cost
Contribution margin per unit = $110 - $20
Contribution margin per unit = $90
Contribution margin ratio = contribution margin per unit / selling price
= $90 / $110
Contribution margin ratio = 0.818
Contribution margin weighted average:
= (2/5)($25) + (3/5)($90-$20)
= $54
Break-even point in units for pitc/her filter:
= Total fixed costs / contribution margin per unit
= $1,200,000 / $54
= 22,222 units
Break-even point in dollars for fau/cet model:
= 28,571 units x $90 per unit
= $2,571,390
Break-even point in dollars for pitc/her-filter:
= 22,222 units x $110 per unit
= $2,444,420
Full question "Multiproduct CVP and decision making. Crystal Clear Products produces two types of water filters. One attaches to the faucet and cleans all water that passes through the faucet. The other is a pitcherfilter that only purifies water meant for drinking. The unit that attaches to the faucet is sold for $90 and has variable costs of $25. The pitcherfilter sells for $110 and has variable costs of $20. Crystal Clear sells two faucet models for every three pitchers sold. Fixed costs equal $1,200,000.
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Reesa works 6 4/5 hours on Saturday and 4 hours on Sunday. Her pay rate is $8.25 per hour. How much will be paid, in dollars for working on Saturday and Sunday?
Answer: D ($89.10)
Step-by-step explanation:i took the test
Find the area of a circle with a diameter of 6 cm
$155 $267 $284 $194 $299 $284 $287 $179 What is the mean, median, and mode of this data set?
Answer:
Mean = 243.625
Median = 275.5
Mode = 284
Each value is exact without any rounding.
=================================================
Original data set:
$155 $267 $284 $194 $299 $284 $287 $179
Let's remove the dollar signs, and separate each item with a comma:
155,267,284,194,299,284,287,179
Then sort the values from lowest to highest.
155,179,194,267,284,284,287,299
---------------------
To find the mean, we add up the values and divide by n = 8 since there are 8 items in the list.
(155+179+194+267+284+284+287+299)/8 = 243.625 is the mean
----------------------
Refer to the sorted data set.
The median is the middle-most value. Because the sample size n = 8 is even, we'll have two values tied for the middle.
n/2 = 8/2 = 4
The items in slot 4 and 5 are tied for the middle.
The values in slot 4 and 5 are 267 and 284 in that exact order.
Compute the midpoint: (267+284)/2 = 275.5 is the median
----------------------
The mode is the most frequent value. Look through the sorted data set to see that 284 shows up twice. This is the most frequent compared to the other values (that show up only once).
Therefore, the mode is 284
Side note: It's possible to have multiple modes. It's also possible to not have any modes at all.
Question in the pic, please explain your answer
The statement translated to an algebra equation will give the value of the unknown number w = 11/5
What is algebra?Algebra is the branch of mathematics that helps to represent problems or values in the form of mathematical expressions using letters to represent unknown values.
Let us represent the unknown number with the letter w so that the statement can be written as the equation:
5w - 8 = 3
add 8 to both sides
5w - 8 + 8 = 3 + 8
5w = 11
divide through by 5
5w/5 = 11/5
w = 11/5
Therefore, the statement translated to an algebra equation will give the value of the unknown number w = 11/5
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What ratio is equivalent to 8/6
Answer:
3rd option: 32/24
Step-by-step explanation:
8/6 = 4/3
1st option: Now let's change the denominator to 24:
4/3 ==> ?/24
4/3 =
4*8 / 3*8 = 32/24, not 3/24.
2nd option: Now let's change the numerator to 24:
4/3 ==> 24/?
4/3 =
4*6 / 3*6 = 24/18, not 24/32
24/32 = 3/4, not 4/3 ==> don't get confused by this
3rd option: 32/24 is correct [Look at the explanation for 1st option]
4/3 ==> ?/24
4/3 =
4*8 / 3*8 = 32/24, not 3/24.
Hence, the 3rd option is correct.
What is 36 divided by 21,312?
Answer:
0.00168918918
Step-by-step explanation:
Answer:
about 0.0017
Step-by-step explanation:
with a couple more digits, its 0.00168918918
5. Let F: V→ W and G: W→ U be isomorphisms of vector spaces over K. Show that GF: V→U is an isomorphism.
GF preserves the identity and addition operations, and hence GF: V→U is an isomorphism.
First, we will show that GF is linear. Let u, v be vectors in V and c be a scalar in K. Then we have:
\(GF(cu + v) = G(F(cu + v)) = G(cF(u) + F(v)) = G(cF(u)) + G(F(v))= cG(F(u)) + G(F(v)) = c(GF(u)) + GF(v)\)
Thus, GF is linear.
Next, we will show that GF is bijective. Since F and G are isomorphisms, they are both invertible. Let\(F^-1\)and \(G^-1\) denote their respective inverses. Then for any u in U, we have:
\((GF)^-1(u) = F^-1(G^-1(u))\)
This shows that GF is invertible, and hence bijective.
Finally, we will show that GF preserves the identity and addition operations. Let v1, v2 be vectors in V. Then we have:
\(GF(v1 + v2) = G(F(v1 + v2)) = G(F(v1) + F(v2)) = G(F(v1)) + G(F(v2))= GF(v1) + GF(v2)\)
Also, since F and G are isomorphisms, they preserve the identity operations:
\(GF(0v) = G(F(0v)) = G(0w) = 0u\\GF(v) = G(F(v)) = G(0w) = 0u if v=0v\)
Thus, GF preserves the identity and addition operations, and hence GF: V→U is an isomorphism.
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