Wanda is a cake designer with a specialty in rectangular silk screen photo cakes. For every cake that she makes, the width of the cake is 4 inches more than the width of the photo in the center of the cake, and the length of every cake is two times its width. The area of the cake wanda is currently working on is at least 254 square inches.
The inequality x² + 8x - 238 <= 0 represents the situation in which the area of the cake is at least 254 square inches.
The width of the cake is 4 inches more than the width of the photo, so the width of the cake can be represented by the expression x+4.
The length of the cake is two times its width, so the length of the cake can be represented by the expression 2(x+4).
The area of the cake is the product of its length and width, so it can be represented by the expression (x+4)(2(x+4)).
To represent the situation in which the area of the cake is at least 254 square inches, we can set the expression for the area equal to 254 and solve for x:
(x+4)(2(x+4)) >= 254
2x² + 16x + 16 >= 254
x² + 8x - 238 <= 0
The inequality x² + 8x - 238 <= 0 represents the situation in which the area of the cake is at least 254 square inches.
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Which expression can you use to find the number of ways to choose 5 cards from a 52-card deck?.
The expression that you can use to find the number of ways to choose 5 cards from a 52-card deck is 52!/(47! * 5!).
The expression that you can use to find the number of ways to choose 5 cards from a 52-card deck is 52 choose 5, which is equal to 52!/(47! * 5!), where the exclamation point indicates the factorial function. This is known as the binomial coefficient, and it represents the number of ways to choose a certain number of items from a larger set. In this case, the binomial coefficient is used to find the number of ways to choose 5 cards from a deck of 52 cards.
The order of the cards is irrelevant in card games like poker. A five-card draw of 1,2,7,9, K is equivalent to a draw of K,7,9,1,2. What counts is the fundamental overall group.
Order is irrelevant, therefore we utilize a combination (instead of a permutation)
We will substitute n = 52 and r = 5 into the nCr combination formula, which is n C r = (n!)/(r!*(n-r)!)
so we obtain:
n C r = r!*(n-r)!/(n!)
52 C 5 = (52!)/(5!*(52-5)!)
52 C 5 = (52!)/((52-5)!*5!)
The complete question is:-
Which expression can you use to find the number of ways to choose 5 cards from a 52-card deck?
a) (52-5)! / 52!5!
b) 52! / (52-5)!
c) 52! / (52-5)!5!
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Tim needs a new car while he attends college in the United States for the next three years. The car he would like has a MSRP of $15,000. A local dealer can get him a 3-year loan with a 7% interest rate if Tim can give them a $1,500 down payment.
The same dealer offers the same car to lease with a money factor of 0.00271 and a residual value of 75%. The lease requires an additional fee of $1,250 to cover Tim’s security deposit and the acquisition and documentation fees for the car.
Tim is looking to drive the car home with the smallest initial out-of-pocket cost. Which of the following statements is true?
a.The initial out-of-pocket cost is less for the lease.
b.The initial out-of-pocket cost is less for the loan.
c.The initial out-of-pocket cost is the same for the lease and loan.
d.The initial out-of-pocket cost for a lease is not comparable to that of a loan.
Answer:
A
Step-by-step explanation:
To compare the initial out-of-pocket cost for the lease and loan options, we need to calculate the total cost for each option.
For the loan option, we can calculate the total cost as follows:
Total cost = MSRP + down payment + interest
= $15,000 + $1,500 + $1,050 (7% of MSRP)
= $17,550
For the lease option, we can calculate the total cost as follows:
Total cost = (MSRP x money factor x 36) + acquisition and documentation fees + security deposit
= ($15,000 x 0.00271 x 36) + $1,250
= $5,925 + $1,250
= $7,175
Since the total cost for the lease option is less than the total cost for the loan option, the initial out-of-pocket cost is less for the lease. Therefore, the correct statement is:
a. The initial out-of-pocket cost is less for the lease.
A boat heading out to sea starts out at Point A, at a horizontal distance of 1032 feet
from a lighthouse/the shore. From that point, the boat's crew measures the angle of
elevation to the lighthouse's beacon-light from that point to be 15°. At some later
time, the crew measures the angle of elevation from point B to be 6°. Find the
distance from point A to point B. Round your answer to the nearest tenth of a foot if
necessary.
Answer:
1598.9 ft
Step-by-step explanation:
You want the distance between points A and B when observers at each point find the angle of elevation to a lighthouse beacon to be 15° and 6°, respectively. Point A is 1032 ft horizontal distance from the lighthouse.
TangentThe tangent relation for sides in a right triangle is ...
Tan = Opposite/Adjacent
This can be rearranged to ...
Opposite = Tan × Adjacent
SetupIf d is the distance in feet from A to B, two expressions for the same lighthouse height can be written:
height = tan(15°)(1032)
height = tan(6°)(1032 +d)
SolutionEquating these values of height, we have ...
tan(6°)(1032 +d) = tan(15°)(1032)
d = 1032(tan(15°) -tan(6°))/tan(6°) = 1032(tan(15°)/tan(6°) -1)
d ≈ 1598.946 . . . . feet
The distance from A to B is about 1598.9 feet.
How do you find the height of an isosceles triangle without the base?
The height of the isosceles triangle is h = [tex]\sqrt{a^{2}-\frac{c^{2} }{4} }[/tex]
Given,
Isosceles triangle;
An isosceles triangle has two equal sides as well as two equal angles. The Greek words iso (same) and skelos are the source of the name (leg). An equilateral triangle is one in which all of its sides are equal, whereas a scalene triangle is one in which none of its sides are equal.
Follow these procedures to determine an isosceles triangle's height:
The lengths of the two equal sides are squared.Step 1 is then reduced by the square of the unequal side length, its result being divided by four.The outcome from Step 2's square root.The height of an isosceles triangle is the outcome.That is,
Height, h = [tex]\sqrt{a^{2}-\frac{c^{2} }{4} }[/tex]
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What is the nature of the roots 5x² 3x 2 0?
The nature of the roots of the equation 5x² + 3x + 2 = 0 are x = -7.123 and x = 0.878.
The equation 5x² + 3x + 2 = 0 has two solutions, or roots, which can be found using the quadratic formula:
x = [-b ± √(b² - 4ac)] / 2a
Where a = 5, b = 3 and c = 2,
x = [-3 ± √(3² - 4(5)(2))] / 2(5)
x = [-3 ± √17] / 10
x = (-3 ± 4.123) / 10
x = (-7.123) / 10, 0.878
The roots of the equation 5x² + 3x + 2 = 0 are x = -7.123 and x = 0.878.
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Y = 1/3x + 4
3x+y=-6
Answer:
Step-by-step explanation:
x= -3
y= 3
What are the 4 graphs called?
The four basic graphs used in statistics include bar, line, histogram and pie charts.
What is meant by graphs?In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way. The relationships between two or more items are frequently represented by the points on a graph. Charts and graphs come in a variety of styles. Line graphs, bar graphs and histograms, pie charts, and Cartesian graphs are likely the four most popular types. They serve quite diverse purposes and are best suited for very different uses.Intercepts, intervals where the function is rising, falling, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity are important characteristics. Data that is readily apparent. appropriate unit-specific labeling for each axis.To learn more about graphs refer to:
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a new trendy restaurant is growing exponentially. after being open for 11 months the restaurant was serving an average of 310 customers a day. by month 15, the restaurant was serving about 456 customers a day. write an exponential function n(t) that models average number of customers, n, after t months of being open. if necessary, round any values to four decimal places (do not round on intermediate steps). write your answer in the form a(b)t
the exponential function is n(t) =n° (1+r)∧t, where t is the power refers the time in months after opening and n denotes average customer.
what means growing exponentially?when the rate of increases is occurred very rapidly. In this question, the trendy restaurant has earned reputation.
How will be the exponential function?Given, average number of customers after 11 months of opening = n(11) =310
average number of customers after 15 months of opening= n(15) =456
during this 4 month increases of customer =456 -310 =146
increasing rate of customer per month = 146/4 = 36.5
now increasing rate in percentages = 36.5 %
exponential growth rate, r= 0.365
let, n° is the initial number of customer while opening at t=0 month
now, the exponential function n(t) that model's average number of customers, n after t months of being open will be
n(t) = n° ( 1+r)∧t
we are given that after 11 months of opening average customer n(11) = 310
now, 310 = n° (1+ 0.365)∧11
n° = 10
hence, the exponential function = n(t) = 10(1+r)∧t
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what property is this? i’m so confused. like is it right?
Why is the slope called M?
In the equation y = mx + b, m is the slope of the line and b is the intercept.
What does the m represent in slope intercept form?The letter m is frequently used to represent slope; the reason for this usage is unclear, but it can be found in O'Brien's (1844) and Tod hunter's (1888) formulations of the equation for a straight line as "y = mx + b" and "y = mx + c," respectively.m is the line's slope and b is its intercept in the equation y = mx + b. The letters x and y stand for the line's separation from the x- and y-axes, respectively. When x = 0, the value of b equals y, and m indicates how steep the line is. The gradient of a line is another name for its slope.To learn more about slope intercept equation refer to:
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How do you solve inverse questions?
In order to solve a inverse function question we switch the coordinates of x with that of y and the perform the required calculations.
The result which we get as is considered as a relation and not as a function.
We an calculate inverse for functions which are one to one .
A function is known as a one to one function only when every second element matches the first value.
The inverse question is a type of function , when we solve this function we get another function which is represented as , ‘g’ and is known as the inverse of function .
y = f(x) then,
x = g(y)
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What is the space between contour lines called?
The space among contour lines are known as Sharp slopes which is closely spaced contour lines. Gently sloping or comparatively flat regions are shown by widely spaced contour lines.
Contour lines link places with the same elevation; if they are close together (they never intersect), the terrain is steep and the elevation changes quickly over a short distance. The elevation changes gently where the contour lines are far apart, indicating a moderate slope.
The areas between the contour lines are filled with colors when using the layer tinting technique. A particular height is indicated by each color. Contours are shown as lines. A hilltop is indicated by a contour line that creates a closed loop with no other contour lines inside. Sharp slopes are indicated by closely spaced contour lines. Gently sloping or comparatively flat regions are shown by widely spaced contour lines.
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What is a graph Grade 4?
Sets of points connected by typical lines or curves form graphs.
What is a graph?In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way.The relationships between two or more items are frequently represented by the points on a graph.The five main types are:Blank graph is a null graph, also known as an empty graph, is a graph with no connections connecting any of its vertices.A connected graph is one in which every pair of its vertices is connected by an edge path.A disconnected graph is one in which not every vertex is always connected by the path of the edges.A graph that can be divided into two sets of vertices, with edges passing solely between the two sets and not among them, is said to be bipartite.Weighted graph has assigned weights, or numerical values, to each of its edges is referred to as a weighted graph.To learn more about graphs, refer:
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Which is a factor of x³ 7x 6?
The factor of [tex]x^3 -7x + 6[/tex] is (x - 1) (x +3) (x -2).
Now, According to the question:
The given expression to be factorized is :
[tex]x^3 -7x + 6[/tex]
This can be written in the form:
[tex]x^3 -7x + 6[/tex] = [tex]x^3[/tex] - (1 + 6)x + 6
[tex]x^3 -7x + 6[/tex] = [tex]x^3[/tex] -x - 6x + 6
Take common 'x' from the first two terms and -6 from the last two terms. Then we have,
[tex]x^3 -7x + 6[/tex] = x([tex]x^2 -1[/tex]) -6 (x -1)
= x{ [tex](x)^2 - (1)^2[/tex] } - 6(x -1)
= x(x +1) (x -1) - 6(x -1)
Finally, Take common (x -1) from the above expression:
[tex]x^3 -7x + 6[/tex] = (x -1) {x(x +1) - 6}
= (x -1) [tex](x^{2} +x-6)[/tex]
= (x -1)([tex]x^{2}[/tex]+3x -2x -6)
= (x - 1) (x (x +3) -2 (x +3))
= (x - 1) (x +3) (x -2)
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The complete question is this:
Which is the factor of [tex]x^3 -7x + 6[/tex]
1. x(x -6) (x -1)
2. [tex](x^{2} -6)[/tex] (x -1)
3. (x + 1) (x + 2) (x +3)
4. (x - 1) (x +3) (x -2)
What equation can be formed that would relate the width length and the area of the room?
The equation that makes relationship between width, length and area of a room is Area of room = length of room × width of room and perimeter of room = 2× (length of room + width of room)
How to calculate the size of a room?The size of a room is either square or rectangle in shape. Whenever a room is rectangle shaped, we need to measure all the side lengths and finally area is found by product of two unequal side length. Besides, we can determine the perimeter of room by adding the two unequal side length and finally 2 is multiplied with it.
What is the formula for rectangle or square?We stated earlier that the size of a room is either rectangle or square.
area of square shaped room = (side length× side length)
area of rectangle shaped room = (bigger side length × smaller side length)
perimeter of square shaped room = 4 × side length = 4√(area of room)
perimeter of rectangle shaped room = 2(bigger side length + smaller side length)
hence, the above equations make relationship among the width, length, area and perimeter of a room.
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What is the slope of the line represented by the equation y − 3x 1?
Applying the derivative to the provided line with respect to "x," using the equation of the given line, The response is 3.
Why do you use the word "derivative"?In mathematics, the derivative of a function of a real variable measures the sensitivity of the function's value to changes in its argument. The derivative is the fundamental tool in calculus. a function's rate of evolution in respect to a variable Problems involving calculus and differential equations need the use of derivatives.
By slope, what do you mean?The slope or gradient of a line in mathematics is a numerical representation of the steepness and direction of the line. Calculate the percentage by dividing the elevation difference between two places by their separation. slope, then multiply the result by 100. The term "rise" refers to the difference in elevation between two sites. The run is the separation between the points. Percent slope is therefore equal to (rise / run) x 100.
y(x) = 3x +1
derivate y(x) with respect to x. we get,
= 3
slope =3
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Sarah pays a flat rate plus a rate per minute for her phone plan as shown in the graph above. The cost of Sarah's phone plan, C(t), can be represented by which of the following functions? Responses C(t)=−0.10t+25 C t = - 0 . 10 t + 25 C(t)=0.10t+25 C t = 0 . 10 t + 25 C(t)=25(0.10)t C t = 25 0 . 10 t C(t)=25(1+0.10)t
With the help of Algebra the correct function is C(t) = 0.10t+25.
What is Algebra?
Algebra is a branch of mathematics that deals with the study of symbols and the rules for manipulating them. It is used to solve a variety of equations and problems by using formulae, equations and graphs. Algebra is primarily used to find unknown values, such as the unknown side of a triangle or the value of a variable in an equation. It can also be used to solve problems that involve more than one variable, such as those involving linear equations and systems of equations. Algebra is a powerful tool for problem-solving and can be used in various scientific fields, such as physics, chemistry and engineering. It is essential for developing a good understanding of mathematics and is an important part of any mathematics curriculum.
Assuming that : y = kx + b
plug in : ( 0, 25 ) and ( 50, 30)
25 = b
30 = 50k + 25
so, k = 0.10 after solving this equation
y = 0.10t+25
Hence the function is C(t)= 0.10t+25
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The ratio of trees to flowering plants in Marsha’s backyard is shown on the ratio table. What number completes the ratio table to make an equivalent ratio? [Type your answer as a number.]
trees 2 12
plants 5 ?
The ratio of trees to flowering plants in Marsha’s backyard is shown on the ratio table.
30 numbers complete the ratio table to make an equivalent ratio.
What is equivalent ratio?When we compare two ratios, they are said to be equivalent. To determine if two or more ratios are comparable, they can be compared to one another.
Equivalent ratios are two ratios with the same value. By multiplying or dividing the two amounts by the same number, you may get the corresponding ratio. Finding comparable fractions follows the same procedure.
Here in this case,
for trees: 2: 12 [ 2 to 12, 6 times more ]
for plants: 5: 30 [ 5 to 30, it is also 6 times more]
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Here are 2 triangles. One triangle has a 60 degree angle and a 40 degree angle. The other triangle has a 40 degree angle and an 80 degree
angle.
How long are the sides labeled x and y?
x= (blank) units and y= (blank) units.
Answer:
x=4.04 y=7.66
Step-by-step explanation:
What is a perpendicular slope example?
Examples of perpendicular slope are the sides of a fixed square, a window, and the Red Cross emblem.
Describe perpendicular slope.Lines that are vertical and horizontal are perpendicular to one another. In this instance, the perpendicular line's slope would be equal to a horizontal line's slope, which would be 0. The slope of the perpendicular line is zero, but the slope of the parallel line is unknown. By taking the negative reciprocal of the slope of the provided line, one can determine the slope of a perpendicular line from that line. We obtain m2 = -1/m1 if the slope of the provided line is m1 and the slope of a perpendicular line is m2.
Given
There are a lot of perpendicular lines that we may see in reality. The corners of the chalkboard, the arms of a clock at specific times of the day, the sides of a fixed square, a window, and the Red Cross emblem are a few examples.
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Which 3 transformations can be described as rigid transformations because they keep shapes congruent?
The size and shape of things are preserved by stiff transformations (reflections, translations, and rotations). As a result, archetypes and visuals are always compatible.
What is rigid transformations?The separation between each pair of the geometric object's points is preserved during a rigorous change of the object. In other words, a rigid transformation maintains the object's size and shape. For instance, the rigid transformation of a triangle retains the angles and lengths of the triangle. Imagine a stiff shape distortion, similar to a cardboard shape. The form remains the same after being pushed left and right, rotated, and flipped. When the mold was created using putty, the opposite was true. The thing can then be twisted and stretched. These conversions, nevertheless, are not exact. Stretching a form alters the distances between each pair of its points.
c + 18 + 10 = 42//
[tex]c = 42 -(18 + 10) cm = 14 cm\\s = 21 cm//[/tex]
Area = [tex]\sqrt{s(s - a)(s - b)(s - c) }[/tex]
and, here s = half the perimeter,
[tex](a + b + c)/2.[/tex]
A = [tex]21\sqrt{11}[/tex]
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Hamid is playing a trivia game with multiple choice questions. Each question has 2 22 correct answers among 5 55 answer choices. Hamid has no idea what the answers to a certain question are, so he needs to choose two different answers at random. What is the probability that hamid guesses both answers correctly? round your answer to two decimal places.
The probability that Hamid guesses both answers correctly is 10%.
Probability means that it is possible. It is a branch of statistics that deals with the occurrence of a random event. The number is expressed from 0 to 1 where 0 represents an impossible event and 1 represents a sure event.
Probability Formula
The probability formula is defined as the ratio of favorable outcomes to the ratio of total outcomes. For any event (E), this can be shown as
P(E)=Number of favorable outcomes /Number of total outcomes
Since Hamid is playing a trivia game with multiple choice questions, and each question has 2 correct answers among 5 answer choices, and Hamid has no idea what the answers to a certain question are, so he needs to choose two different answers at random, to determine what is the probability that Hamid guesses both answers correctly the following calculation must be performed:
2/5 x 1/4 = X
0.4 x 0.25 = X
0.1 = X
0.1 x 100 = 10
Therefore, the probability that Hamid guesses both answers correctly is 10%.
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Probability denotes possibility. The occurrence of a random event is the subject of this area of statistics. The number is expressed as a number between 0 and 1, where 0 denotes an improbable event and 1 denotes a certain event.
Statistical Formula
The ratio of favorable outcomes to the ratio of all outcomes is the definition of the probability formula. This can be shown as for any event (E) as
P(E) = Number of positive results / Number of total results
Given that each question in a multiple-choice trivia game has two correct answers out of a possible five, and that Hamid must choose two answers at random because he doesn't know what the answers are, the following calculation must be done to ascertain the likelihood that Hamid will correctly guess both answers:
2/5 x 1/4 = X
0.4 x 0.25 = X
0.1 = X
0.1 x 100 = 10
A small company manufactures two products: A and B. Each product requires three operations: assembly, finishing and testing. Product A requires 1 hour of assembly, 3 hours of finishing, and 1 hour of testing. Product B requires 3 hours of assembly, 1 hour of finishing, and 1 hour of testing. The total work-hours available per week in the assembly division is 60, in finishing is 60, and in testing is 24. Each item of product A has a profit of $50, and each item of Product B has a profit of $75. How many of each should be made to maximize profit?
Hence,the company should produce 12 pieces of Model A and 6 pieces of Model B to get the maximum profit i.e. 168000.
How many of each should be made to maximize profit?Let x be the number of pieces of model A and y be the number of pieces of model B.
Let total profit be Z
Then, Total profit =8000x+12000y
Z=8000x+12000y .............. (i)
Now we have the following mathematical model for the given problem
Max Z=8000x+12000y
Subject to constraints
9x+12y≤180 .......... (Fabricating constraints)
3x+4y≤60 .......... (ii)
x+3y≤30 (Finishing constraints)........ (iii)
Let us evaluate the objective function Z at each point as shown below
At C(0,10), Z=8000×0+12000×10=120000
Maximum value of Z is 168000 at B(12,6)
Hence, the company should produce 12 pieces of Model A and 6 pieces of Model B to get the maximum profit i.e. 168000.
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Rearrange w = 3(2a + b) - 4 to make a the subject.
Answer:
The answer is a = w + 4 - 3b/2
Step-by-step explanation:
w = 3(2a + b) - 4
add 4 both sides we get,
w + 4 = 3(2a + b) - 4 + 4
w + 4 = 3(2a + b)
w + 4 = 6a + 3b
Subtract 3b from both sides we get,
w + 4 - 3b = 6a + 3b - 3b
w + 4 - 3b = 2a
Now, Divide both sides by 2 we get,
w + 4 - 3b/2 = 2a/2
a = w + 4 - 3b/2
Thus, The answer is a = w + 4 - 3b/2
How do you tell the end behavior of a graph from an equation?
The end behavior of a graph can be determined by looking at the leading term in the equation. If the leading term is a positive or negative power of x, then the end behavior of the graph will be either a horizontal asymptoteor an oblique asymptote. If the leading term is a constant, then the end behavior of the graph will be a horizontal line at that constant value.
To determine the end behavior of a graph from an equation, we first look at the leading term in the equation. If the leading term is a positive or negative power of x, then the end behavior of the graph will be either a horizontal asymptote (positive or negative infinity) or an oblique asymptote (slanted line). If the leading term is a constant, then the end behavior of the graph will be a horizontal line at that constant value. For example, if the leading term of an equation is 3x2, then the end behavior of the graph will be a horizontal asymptote at positive infinity. If the leading term of the equation is 4, then the end behavior of the graph will be a horizontal line at y=4. To determine the exact shape of the asymptote, we must look at the coefficient of the leading term. A positive coefficient will create a positive asymptote (sloping up), while a negative coefficient will create a negative asymptote (sloping down). Additionally, if the graph oscillates around a single point, then the end behavior of the graph is a limit cycle.
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What is mean median and mode 7th grade?
The three statistical measures of central tendency are mean, median, and mode. While describing a set of data, we point out its primary location. This is referred to as the central tendency measure.
The arithmetic mean of a given data is the sum of all observations divided by the number of observations.
The data set's median is the value in the center. Put all the numbers in ascending or descending order, and then choose the middle number to determine the median. There will only be one middle integer if the number of data points is odd. If the number of data points is even, you must choose the middle two numbers, add them together, and divide by two. Your median will be that value.
A mode is defined as the value that has a higher frequency in a given set of values. It is the value that appears the most number of times.
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Using the diagram, find GT and TA:
Answer:
GT: 10
TA: 6
Step-by-step explanation:
use the ratio of GR:RE to find GT:TA
since the ratio of GR:RE is 5:3, the ratio of GT:TA=5:3. The total length of GT+TA=16.
5x+3x=16, 8x=16, x=2.
By plugging in the x value, it is shown that GT=10 and that TA=6
6. If y = -2x² + 8x - 5 were put in vertex form y = a(x - h)² + k, then what is
the value of k?
A. -13
B. -3
C. 3
D. 1
Answer:
C. [tex]3[/tex]
Step-by-step explanation:
[tex]y=-2x^2 + 8x-5 \\ \\ =-2(x^2 -4x)-5 \\ \\ =-2(x^2-4x+4-4)-5 \\ \\ =-2((x-2)^2 -4)-5 \\ \\ =-2(x-2)^2 +8-5 \\ \\ =-2(x-2)^2 + 3[/tex]
Miyo can make 5 origami figures in 3 minutes. How many origami figures can Miyo make in 18 minutes?
Answer:
Miyo can make 30 origami figures in 18 minutes
Step-by-step explanation:
tbh, i just counted up by 5's until i reached 18
Answer: 3
Step-by-step explanation: Because we know Miyo can make 5 origami figures in 3 minutes. and we want to know How many origami figures can Miyo make in 18 minutes? so, we know 5*3 is 15. right? well, then we take 18-15 and get 3 so, Miyo can make 3 origami figures in 18 mins.