Tyler is bored in history class, so he is staring at the ceiling tiles. He notices that some tiles are perfect squares, while others are long rectangles. He also notices that some of the tiles are bright white, while others are off-white. He makes detailed notes on how often each of these tiles occurs. Tragically, Tyler crumpled up his notes when the teacher looked in his direction, and now he can't read all the numbers. The absolute and relative frequency tables below show the numbers that Tyler is able to read. Can you help him figure out the rest? Fill in the missing values from each table.
Fill in the missing values from each table.
Square Rectangle Row total
Bright white 252525 101010 353535
Off-white
101010
Column total
202020
Square Rectangle Row total
Bright white Row %Column %Total % \begin{aligned} &\text{71.43} \\ &\text{52.08} \\ &\text{36.76} \end{aligned}
71.43
52.08
36.76
\begin{aligned} &\text{28.57} \\ &\text{50.00} \\ &\text{14.71} \end{aligned}
28.57
50.00
14.71
\begin{aligned} &\text{100} \\ &\text{------} \\ &\text{51.47} \end{aligned}
100
——
51.47
Off-white Row %Column %Total % \begin{aligned} &\text{69.70} \\ &\text{47.92} \\ &\text{33.83} \end{aligned}
69.70
47.92
33.83
\begin{aligned} &\text{30.30} \\ &\text{50.00} \\ &\text{14.71} \end{aligned}
30.30
50.00
14.71
\begin{aligned} &\text{100} \\ &\text{-----} \\ &\text{48.53} \end{aligned}
100
—–
48.53
Column total Row %Column %Total % \begin{aligned} &\text{-----} \\ &\text{100} \\ &\large \text{$x$} \end{aligned}
—–
100
x
\begin{aligned} &\text{-----} \\ &\text{100} \\ &{\text{29.41}} \end{aligned}
—–
100
29.41
\begin{aligned} &\text{100} \\ &\text{100} \\ &\text{100} \end{aligned}
100
100
100
x=x=x, equals
Answers
Answer:
The complete tables are shown below.
The value of x is 70.59%.
Step-by-step explanation:
Absolute frequency table:
Square Rectangle Row Total
Bright 25 10 35
Off White 23 10 33
Column Total 48 20 68
Relative frequency table
Square Rectangle Row total
Row% 71.43% 28.57% 100.00%
Bright Column% 52.08% 50.00% ____
Total% 36.76% 14.71% 51.47%
Row% 69.70% 30.30% 100.00%
Off White Column% 47.92% 50.00% ___
Total% 33.83% 14.71% 48.53%
Row% ____ ____ 100.00%
Column Column% 100.00% 100.00% 100.00%
Total% x = 70.59% 29.41% 100.00%
\(\text{Value of}\ x=100.00\%-29.41\%=70.59\%\)
Answer:
Square Rectangle Row total
Bright white 25 15 40
Off-white 23 10 33
Column total 48 25 73
x = 30.3x=30.3
Step-by-step explanation:
i know this is write because i got it wrong
Related Questions
I need step by step explanation i this question.
Answers
The ratio of football to total equipment is 3/ 7
What is ratio?Ratio can be defined as the comparison of two or more numbers with their sizes in relation to each other.
It explains how many times one number contains another.
From the diagram shown, we have:
6 footballs2 handballs3 pairs of shoesRatio of football to total equipment is;
= 6/ 6 + 2 + 6
= 6/ 14
Find common divisor
= 3/ 7
Thus, the ratio of football to total equipment is 3/ 7
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Find the domain of the function expressed by the formula: y = 4x − 1/5
Answers
Answer:
all real numbers
Step-by-step explanation:
The function y = 4x-1/5 is a line
The domain of the line is all real numbers
HELP ME QUICK FIND THE AREA ILL MARK BRAINLY
Answers
Answer:
6 square centimeters
Step-by-step explanation:
Answer:
6
you need to multiply base and height, i forget the actual terms, hope this helps
Please help with this
Answers
The sale price of the item when displayed on sales costs $8.75 based on the stated original price and percentage discount offered.
The formula to calculate sale price of the item according to discount and original price will be -
Sale price = 25% × original price
Keep the value of original price in the formula to find the sale price
Sale price = 25% × 35
Performing multiplication and division by solving the percentage on Right Hand Side of the equation to find the value of sale price of the item
Sale price = 8.75
Hence, the item on sale costs $8.75.
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Use the histogram to answer the following questions.
Frequency
The frequency of the class 90-93 is
The frequency of the class 94-97 is
This means that a total of
5.5
5
4.5
Your answers should be exact numerical values.
The frequency of the class 86-89 is
86
94
90
Duration of Dormancy (minutes)
dormancy periods were recorded.
Answers
The parameters that are needed to calculate a probability are listed as follows:
Number of desired outcomes in the context of a problem or experiment.Number of total outcomes in the context of a problem or experiment.Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes, hence it is the same as a relative frequency.
The total number of periods is given as follows:
5 + 6 + 4 = 15.
The frequency of each class is given as follows:
86 - 89: 5/15 = 1/3.90 - 93: 6/15 = 2/5.94 - 97: 4/15.Learn more about the concept of probability at https://brainly.com/question/24756209
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VERYYYYY URGENT HELP NEEDED, WILL GIVE BRAINLIEST ON THIS AND THE OTHER 2
if anyone wants to only help with 1 that's ok though
https://brainly.com/question/27138869 (3rd one is in the question)
Answers
Answer:
zeros: x = -4 and x = 1
axis of symmetry: x = -1.5
vertex: (-1.5, -2)
Step-by-step explanation:
The zeros are where the curve intercepts the x-axis.
Therefore, the zeros are x = -4 and x = 1
The axis of symmetry is the vertical line that goes through the vertex (turning point) so that the left and right sides of the parabola are symmetrical.
Therefore, the axis of symmetry is at x = -1.5
The vertex is the turning point of the parabola. As this parabola opens upwards, the vertex is the minimum point.
Therefore, the vertex is (-1.5, -2)
#1
Zeros are the x intercepts
(-4,0) U (1,0)#2
Vertex is shown in graph
(-1,5,2)#3
Axis of symmetry line passes through vertex
x=-1.5Let's roll two dice and find the probability of rolling a certain sum. Is this a simple or compound event?
Two dice - Red and Blue
Recall that a simple event has one and only one outcome of interest. In this example, we are rolling two dice, but we are only interested in one outcome, the sum of the two dice. This is a simple event.
What is the probability of:
Rolling a sum of 1?
Rolling a sum of 3?
Rolling a sum of 12?
Rolling a sum of 7?
Since we are rolling a pair of dice and looking for the sum, the sample space is a little more complicated than rolling one die. The chart below will help us determine the possible outcomes. The top row indicates the numbers on the sides of the blue die and the first column represents the number on the sides of the red die. The white area indicates the sum of the numbers in the row and column.
# Rolled 1 2 3 4 5 6
1 1+1=2
1
+
1
=
2
1+2=3
1
+
2
=
3
1+3=4
1
+
3
=
4
1+4=5
1
+
4
=
5
1+5=6
1
+
5
=
6
1+6=7
1
+
6
=
7
2 2+1=3
2
+
1
=
3
2+2=4
2
+
2
=
4
2+3=5
2
+
3
=
5
2+4=6
2
+
4
=
6
2+5=7
2
+
5
=
7
2+6=8
2
+
6
=
8
3 3+1=4
3
+
1
=
4
3+2=5
3
+
2
=
5
3+3=6
3
+
3
=
6
3+4=7
3
+
4
=
7
3+5=8
3
+
5
=
8
3+6=9
3
+
6
=
9
4 4+1=5
4
+
1
=
5
4+2=6
4
+
2
=
6
4+3=7
4
+
3
=
7
4+4=8
4
+
4
=
8
4+5=9
4
+
5
=
9
4+6=10
4
+
6
=
10
5 5+1=6
5
+
1
=
6
5+2=7
5
+
2
=
7
5+3=8
5
+
3
=
8
5+4=9
5
+
4
=
9
5+5=10
5
+
5
=
10
5+6=11
5
+
6
=
11
6 6+1=7
6
+
1
=
7
6+2=8
6
+
2
=
8
6+3=9
6
+
3
=
9
6+4=10
6
+
4
=
10
6+5=11
6
+
5
=
11
6+6=12
6
+
6
=
12
How many outcomes are in the sample space? Answer
Answers
Answer:
the answer to your question how many outcomes is really gonn adepend on you you slove you problem but my amswer is gonna be 7.
Which of the following represents 20 = 5 x 4
A. 5 is 4 times as many as 20
B. 20 is 2 times as many as 10
C. 4 is 5 times as many as 20
D. 20 is 5 times as many as 4
Answers
Answer:
D
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
the answer is d because
20 is "=" 5 times "×" as 4
so the formula derived is
20= 5x4
is represents =
times represents ×
hope you get it
Consider the following IP problem:
Maximum Z= 5x1+x2
subject to
-x1+2x2 <=4
x1-x2 <=4
4x1+ x2 <=12
and
x1 >=0, x2>=0
x1, x2 are integers
a. Solve this problem graphically.
b. Solve the LP relaxation graphically. Round this solution to the nearest integer solution and check whether it is feasible. Then enumerate all the rounded solutions by rounding the solution for the LP relaxation in all possible ways (i.e., by rounding each noninteger value both up and down). For each rounded solution, check for feasibility and, if feasible, calculate Z. Are any of these feasible rounded solutions optimal for the IP problem?
Answers
Answer:
\((3,0)\)
Step-by-step explanation:
The integer points which fall in the common region bounded by the lines are
\((0,2),(2,3),(3,0)\)
Since, one of the points is \((2.22...,3.11....)\) we round it to \((2,3)\)
If we round up then the point will be \((3,4)\) which does not fall in the bounded region.
Also \(x_1\geq 0\) and \(x_2\geq 0\) no negative values are considered.
Applying in the values in the LP problem \(Z=5x_1+x_2\)
\(Z=5\times 0+2\\\Rightarrow Z=2\)
\(Z=5\times 2+3\\\Rightarrow Z=13\)
\(Z=5\times 3+0\\\Rightarrow Z=15\)
So, the LP problem is maximum at point \((3,0)\).
Jackie loves to cook fried foods. She recorded the total amount of oil that she used each month in the table below. In January she used 3/5 of the amount of oil that she used in February Fill in the amount of oil that Jackie used in January in the table below
Answers
Answer: 2/5
Step-by-step explanation:
Can you explain to me how did we get the answer
Answers
The end behavior of the polynomials are as follows;
(a) y = x³ - 9·x² + 8·x - 14
End behavior; y → ∞ as x → ∞
\({}\) y → -∞ as x → -∞
(b) y = -8·x⁴ + 13·x + 800
End behavior; y → -∞ as x → -∞
\({}\) y → -∞ as x → ∞
What is the end behavior of a a polynomial?The end behavior of a polynomial is the characteristics of the graph of the polynomial as the input (x-values), tends to plus and minus infinity.
The factors that effect the end behavior of a polynomial are;
The degree of the polynomial, (even or odd)
The sign of the leading coefficient of the polynomial (positive or negative)
The leading coefficient is the coefficient of the term with the highest degree.
(a) The polynomial, function, y = x³ - 9·x² + 8·x - 14
The specified polynomial is a third degree polynomial, with a positive leading coefficient of 1, the end behavior is therefore;
y tends to positive infinity as x tends to positive infinity
y tends to negative infinity as x tends to negative infinity
End behavior;
y → ∞ as x → ∞
y → -∞ as x → -∞
(b) The polynomial function can be expressed as follows;
y = -8·x⁴ + 13·x + 800
The above polynomial of degree 4 is an even degree polynomial
The leading coefficient of the polynomial is -8, therefore, the leading coefficient is negative
The shape of the graph of the polynomial is therefore ∩ shaped, such that the end behavior is as follows;
y-values approaches negative infinity as x approaches negative infinity
y-values approaches negative infinity as x approaches positive infinity
End behavior;
y → -∞ as x → -∞
y → -∞ as x → ∞
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Please someone help!
this is adding polynomials.
h(x)+g(x)
h(x)=6x^2+4x^4+7x
Answers
\( {7x}^{4} + {12x}^{2} + 3x\)
Solve for area CONVERT measurements to be the SAME unit of measurement
Please show work
Answers
The area of a parallelogram is 0.54 square feet.
What is area?Area is the amount of space occupied by a two-dimensional figure. In other words, it is the quantity that measures the number of unit squares that cover the surface of a closed figure. The standard unit of area is square units which is generally represented as square inches, square feet, etc.
In the given parallelogram, base = 13 inches = 1.08 feet and height = 0.5 ft.
The formula for the area of a parallelogram is base times height, that is b×h.
Area of a parallelogram= 1.08×0.5
= 0.54 square feet
Therefore, the area of a parallelogram is 0.54 square feet.
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Given that a:b:c= 20 : 35 : 15, a) simplify a : b:c, b) find a:b,
c) find c:b
Answers
Answer:
a) 4:7:3
b) 4:7 / 20:35
c) 3:7 / 15:35
NEED HELP QUICK!
3) Line A is represented by the equation y=1/4x + 5. Write in slope-intercept form the equation
of a line that is parallel to Line A and passes through the point (8, -2)
A) What is the slope of (m) of the parallel line?
B) What is the point on the parallel line?
C) Write the equation in Point-slope form.
D) Solve the above point-slope form equation for slope-intercept form (y=mx+b). Show your work.
Answers
Alright so..
A. M=-4
B. (8, 2)
C. Y-2=-4(x-8)
and i don't know about the last one
What happened as a result of the fall of the Western Roman Empire?
*
A. The Eastern Roman empire absorbed the territory of the former Western Roman
Empire
B.A series of new Germanic kingdoms replaced the Western Roman Empire
C.Powerful new rulers settled peasant unrest and stopped outside invasions
D.The Eastern Roman Empire also rapidly declined and dell to the outside invaders.
Answers
Answer:
nn
Step-by-step explanation:
math math math math math math math
Answers
The angle m∠JIX is 90 degrees.
How to find angles in line intersection?IX is perpendicular to IJ. Therefore, angle m∠JIX is 90 degrees.
IG bisect CIJ. Hence,
m∠CIG ≅ m∠GIJ
Therefore,
m∠CIX = 150 degrees
Hence, let's find m∠JIX.
Therefore, m∠JIX is 90 degrees because IX is perpendicular to IJ. Perpendicular lines forms a right angle.
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The measure of angle m∠JIX is estimated to be 90⁰.
How to find the angles?You should understand that an angle is a figure formed by two straight lines or rays that meet at a common endpoint, called the vertex.
IX is perpendicular to IJ. Therefore, angle m∠JIX is 90⁰.
Frim the given parameters,
IG⊥CIJ.
But; m∠CIG ≅ m∠GIJ
⇒ m∠CIX = 150⁰
Hence, let's find m∠JIX.
Therefore, m∠JIX is 90⁰ because IX is perpendicular to IJ. Perpendicular lines forms a right angle.
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...........................................................
Answers
Answer:
g'(1,-5)
Step-by-step explanation:
Rule
(x,y) → (y -x)
(-5,-1) → (-1,5)
Helping in the name of Jesus.
Answer:
For new coordinates of each point, we can use the following formula:
(x, y) \(\longrightarrow\) (y, -x)
To rotate a point 90 degrees clockwise about the origin, we swap the x and y coordinates and negate the x coordinate.
Therefore, the rotated points are:
G(-5,-1) \(\longrightarrow\) G'(-1, 5)
H(-3,-2) \(\longrightarrow\) H'(-2, 3)
J(-3,-5) \(\longrightarrow\) J'(-5, 3)
K(-5,-4) \(\longrightarrow\) K'(-4, 5)
Therefore, The vertex of G is (-1,5)
A delivery driver makes $78 each day that he works and makes approximately $10 in tips for each delivery that he makes. If he wants to make at least $238 in one day, at least how many deliveries does he need to make?
Answers
Answer:
16 deliveries
Step-by-step explanation:
We can model the situation using a linear inequality. Since we're told that the driver makes $10 in tips for each delivery.Thus, this is the slope.Since he makes $78 each day, this number is a constant and he makes it even when no deliveries are made. Thus, this is the y-interceptSince he wants to make at least #238, we want to find a value of d (number of deliveries) which would cause his wages to equal #238. Thus, we can use the following equation to find:238 ≤ 10d + 78
160 ≤ 10d
16 ≤ d
Thus, he needs to make at least 16 deliveries to make at least $238 in one day. Any less than 16 deliveries will cause him to fall short of his goal and any more than 16 deliveries will cause him to exceed his goal.
What is a decimal that is equivalent to the fraction 2/10
? Enter the answer in the box.
Answers
Answer:
0.2
Step-by-step explanation:
Answer:
0.2
Step-by-step explanation:
2 divided by 10 or 2 / 10 = 0.2
hope this helps <3
Where is the central tendency located in a skewed left distribution?
to the left of the tallest bar
to the right of the smallest bar
to the left of the smallest bar
in the center of the graph
to the right of the tallest bar
Answers
The Central tendency is typically located to the right of the tallest bar.
In a skewed left distribution, the central tendency is typically located to the right of the tallest bar. Skewed left distributions, also known as negatively skewed distributions, are characterized by a tail that extends towards the left side of the distribution.
The central tendency refers to the measure that represents the center or average of a distribution. It provides information about the typical or central value around which the data points tend to cluster. Common measures of central tendency include the mean, median, and mode.
In a skewed left distribution, the mean is usually influenced by the long tail on the left side of the distribution. This tail pulls the mean towards lower values, resulting in a lower mean compared to the median. Therefore, the mean will typically be located to the left of the tallest bar in a skewed left distribution.
On the other hand, the median is less affected by the skewness of the distribution and is relatively robust to extreme values. It represents the value that separates the lower 50% of the data from the upper 50%. In a skewed left distribution, the median will be located closer to the tallest bar or even slightly to the right of it.
The mode, which represents the most frequently occurring value in a distribution, may or may not be influenced by the skewness depending on the shape of the distribution. It can be located anywhere along the distribution, and its position is not necessarily tied to the location of the tallest bar.
To summarize, in a skewed left distribution, the central tendency is typically located to the right of the tallest bar. The median is usually closer to the tallest bar or slightly to the right, while the mean is influenced by the skewness and tends to be located to the left of the tallest bar.
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Help quick please look at pic to solve
Answers
The required equation that represent the hanger is 10 + 5x = 11 and the value of x is 1/5.
Given the diagram of the hanger which one side has 10 + 5x and other side has 11.
To find the equation, equate the expression of one side to the numerical value of the other side. On solving the equation gives the value of x.
Thus, the equation is 10 + 5x = 11.
Consider the equation 10 + 5x = 11
On subtracting 10 from each side gives,
5x = 1
Divide each side by 5 gives,
x = 1/5.
Hence, the required equation that represent the hanger is 10 + 5x = 11 and the value of x is 1/5.
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A reading specialist wanted to estimate the mean word length, in number of letters, for an elementary school history textbook. The specialist took repeated random samples of size 100 words and
estimated the mean and standard deviation of the sampling distribution to be 4.9 letters and 0.15 letter, respectively.
Based on the estimates for the sampling distribution, which of the following provides the best estimates of the population parameters?
Answers
Answer:
Mean 4.9 letters and standard deviation 1.5 letters
Step-by-step explanation:
For what values of b are the given vectors orthogonal?
(−30, b, 5), (b, b2, b)
Answers
Given :
Two vectors :
\(v_1=-30i+bj+5k\\\\v_2=bi+2bj+bk\\\\\)
To Find :
The value of b for which the vectors are orthogonal .
Solution :
We know , two vectors are orthogonal when the are perpendicular to each other .
So , their dot product will be zero .
So ,
\(-30b+2b^2+5b=0\\\\2b^2-25b=0\\\\b(2b-25)=0\)
Therefore , for b =0 and \(b=\dfrac{25}{2}\) the vectors are orthogonal .
Hence , this is the required solution .
Seventy-five 6th- grade students chose to watch a movie on the last day of school. This is 25% of the 6th-grade class. How many total students are in the 6th grade?
Answers
25% = 75/x
To solve for x, we can cross-multiply:
0.25x = 75
Then, we can divide both sides by 0.25:
x = 300
Therefore, there are 300 6th-grade students in total.
I NEED HELP PLEASE, THANKS! :)
The senior class is having a fundraiser to help pay for the senior trip. Selling a box of chocolates yields a profit of $2.45, while selling a box of cookies yields a profit of $2.70. The demand for cookies is at least twice that of chocolates, but the amount of cookies produced must be no more than 550 boxes plus 3 times the number of chocolates produced. Assuming that the senior class can sell every box that they order, how many boxes of each should they order to maximize profit if they cannot order more than 1950 boxes combined? (Show work)
Answers
Answer:
1600 boxes of cookies; 350 boxes of chocolates
Step-by-step explanation:
Let x and y represent the numbers of boxes of cookies and chocolates to order, respectively. The constraints seem to be ...
x ≥ 2yx ≤ 550 +3yx + y ≤ 1950The objective function we want to maximize is ...
p = 2.70x +2.45y
_____
Looking at the problem, we see that cookies yield the most profit, so we'd like to maximize the boxes of cookies sold within the allowed limits.
There are two limits on x:
x ≤ 550 +3y
x ≤ 1950 -y
x will be as large as it can be if it bumps up against these limits simultaneously:
550 +3y = 1950 -y
4y = 1400 . . . . . . . . . add y-550
y = 350
x = 1950 -350 = 1600
Profit will be maximized for an order of 1600 boxes of cookies and 350 boxes of chocolates.
_____
The "feasible region" of the solution is where the three constraint inequalities overlap. It is a quadrilateral with vertices at (0, 0), (550, 0), (1300, 650), and (1600, 350). We can reject the ones with x or y being 0. Per our analysis above, the solution of interest is (x, y) = (1600, 350), since it maximizes x.
The usual protocol for solving a linear programming model like this is to evaluate the objective function at each of the vertices. With a little thought about the problem, we have saved some evaluation effort.
translate into an algebraic expression: 120 is increased by d % and increased by 25% . What is the result ?
Answers
Answer:
1.5d+150
Step-by-step explanation:
125 since it increased by 25%. look at the problem below:
125( 1 + 0.01d) then you plug those numbers in and theres your answer :00!!
sammy-6th grade-
The algebraic expression is 1.5d+150.
What is an expression?Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Given that 120 is increased by d % and increased by 25% then the expression will be written as below.
E = 1.5d+150.
Hence the algebraic expression is 1.5d+150.
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Jack earns a commission on his sales at Apple. He earns 3.5% on all sales.
How much money will he earn on $3,400 in sales?
Answers
Answer:
119
Step-by-step explanation:
Commission = Sale amount × Commission percentage
C = 3,400 * 3.50
C = 11900
Move decimal 2 places to the left
C = 119
smb help w ts asap pls !
Answers
6^2+8^2=c^2
36+64= c^2
100 = c^2
Square root of 100 = c
10 = c.
The hypotenuse or x is 10 units. Hope this helps.
Enrollment in French class at a high school is 0.72 of enrollment in Spanish class. What is enrollment in French class compared to Spanish class as a fraction and as a percent?
Question content area bottom
Part 1
What is the equivalent fraction?
What is the equivalent percent?
Answers
Using fractions, we can determine that the enrolment percentage in relation to the Spanish class is 72%.
What are fractions?A fraction is a component of a whole.
Mathematically, the number is expressed as a quotient, where the numerator and denominator are divided.
In a simple fraction, both are integers.
In a complex fraction, a fraction can be found in either the numerator or the denominator.
A suitable fraction has a numerator that is less than its denominator.
So, let's say that x students are enrolled in the Spanish class.
The enrolment in the French class is 0.72 times as large as the attendance in the Spanish class, or 0.72, according to the figures provided.
The enrollment as a percentage of Spanish classes is:
0.72x / x = 0.72
The enrolment percentage in relation to the Spanish class is:
0.72 x 100% = 72%
Therefore, sing fractions, we can determine that the enrolment percentage in relation to the Spanish class is 72%.
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Correct question:
Enrollment in French class at a high school is 0.72 of enrollment in Spanish class. What is enrollment in French class compared to Spanish class as a fraction and as a percent?