Answers
To find:
The decreasing order of the fractions.
Solution:
1.
The numbers are -3, 1 1/4, -1 3/4, 1/10.
First change the mixed fractions to improper fractions.
\(1\frac{1}{4}=\frac{5}{4}\text{ and }-1\frac{3}{4}=-\frac{7}{4}\)Now, change the fractions to decimal form by dividing the numerator by its denominator:
\(\frac{5}{4}=1.25\text{ and }-\frac{7}{4}=-1.75\text{ and }\frac{1}{10}=0.1\)Now, it is known that greater than negative number, the lesser the value.
So, the decreasing order of the numbers is:
\(1\frac{1}{4}>\frac{1}{10}>-1\frac{3}{4}>-3\)Related Questions
Determine whether the given random variable has a binomial distribution. Justify your answer. Put the names of all the students in your class in a hat. Mix them up, and draw four names without looking. Let Y = the number whose last names have more than six letters.
Answers
Answer:
No, it does not
Step-by-step explanation:
The binomial distribution is used when the variable has only two possible outcomes, and each trial is independent of each other.
In this question:
For each student, yes, there are only two possible outcomes. Either their last names have more than six letters, or it does not.
However, as you pick, the names are not returned to the hat, so the probabilities change, which means that the trials are not independent, and we do not have a binomial distribution.
Describe the shape of the distribution for the following and justify your answer:
a. The distance people travel to work on a typical day - The horizontal axis is the distance traveled in a person's daily commute. The vertical axis is frequency (number of people with that distance for their daily commute). Shape of distribution:
1.skewed right
2.skewed left
3.uniform
4.symmetric
Justification:
Answers
The shape of the distribution when the distance people travel to work on a typical day is option (4) symmetric.
To determine the shape of the distribution, we first need to understand the concept of frequency.
Frequency refers to the number of times a particular value occurs in a set of data. In this case, frequency refers to the number of people who travel a specific distance for their daily commute.
Finally, if the distribution is symmetric, then it means that the number of people who travel a particular distance is roughly the same for both short and long distances.
In mathematical terms, this means that the mean and median are equal, and the distribution is centered around this value.
Then the correct option is (4). symmetric
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Translate التطوع التبرع الغاية ik this isn’t maths but there is no option for Arabic plz help
Answers
Answer:
التطوع التبرع الغاية
-Volunteer donation end
Answer:
Volunteer donation end
Let i be the imaginary number √-1. Determine whether the expression a+bi, where a and b are real numbers, represents a real number or a non-real complex number for each case below. Select Real Number or Non-Real Complex number for each case.
Answers
Case 1: a = 0; b = 0 --> Real Number
Case 2: a = 0; b ≠ 0 --> Non-Real Complex Number
Case 3: a ≠ 0; b = 0 --> Real Number
Case 4: a ≠ 0; b ≠ 0 --> Non-Real Complex Number
Understanding Complex NumberFor each case, we can determine whether the expression a + bi represents a real number or a non-real complex number based on the values of a and b.
Case 1: a = 0; b = 0
In this case, both a and b are zero. The expression a + bi simplifies to 0 + 0i, which is equal to 0. Therefore, the expression represents a real number.
Case 2: a = 0; b ≠ 0
Here, a is zero, but b is nonzero. The expression a + bi becomes 0 + bi, where b is a nonzero real number multiplied by the imaginary unit i. Since the expression contains a nonzero imaginary part, it represents a non-real complex number.
Case 3: a ≠ 0; b = 0
In this case, a is nonzero, but b is zero. The expression a + bi simplifies to a + 0i, which is equal to a. As there is no imaginary part in the expression, it represents a real number.
Case 4: a ≠ 0; b ≠ 0
Here, both a and b are nonzero. The expression a + bi contains both a real part (a) and an imaginary part (bi). Thus, it represents a non-real complex number.
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What is the slope of the function?
Answers
Answer: Your answer should be, (4)
Given the function h(n)= n squared - 1, find h(-4).
Answers
(-4)^2=16
16-1=15
h(-4)=15
A 90° rotation about the origin maps APQR to ALMN. Are the
triangles congruent?
Answers
Answer:
No
Step-by-step explanation:
HELLLPP ANY HELPS PLEASE I NEED HELP I AM RUNNING OUT OF TIME !!
Answers
Answer:
Option C
g/9
Step-by-step explanation:
g ÷ 9
\( = \frac{g}{9} \)
Which mathematical concepts were the result of the work of René Descartes? Check all that apply. theory of an Earth-centered universe formula for the slope of a line Pythagorean theorem for a right triangle problem solving by solving simpler parts first Cartesian plane for graphing trusting previous teachers for knowledge
Answers
The Pythagorean theorem states that in a right triangle, the square of the hypotenuse = sum of the squares of the legs.
We have,
The Pythagorean theorem that relates to the sides of a triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides (known as the legs). Mathematically, it can be expressed as a² + b² = c², where "a" and "b" are the lengths of the legs, and "c" is the length of the hypotenuse.
Now,
In a right triangle, the legs are the two sides that form the right angle, and the hypotenuse is the side that is opposite to the right angle. The Pythagorean theorem states that in a right triangle, the square of the hypotenuse = sum of the squares of the legs. So, the relationship between the legs and the hypotenuse can be described by this theorem. In other words, if we know the length of the two legs of a right triangle, we can use the Pythagorean theorem to find the length of the hypotenuse, and vice versa. The hypotenuse is always the longest side of the right triangle, and it is also the side that connects the two legs.
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complete question:
Applying the Pythagorean Theorem In this activity, you will explain your understanding of mathematical relationships and use the Pythagorean theorem to solve real-world problems. Question 1 In your own words, explain the relationship between the legs and the hypotenuse of a right triangle.
Evaluate 13a+4b when a = 2 and b = 5
Answers
Answer:
46
Step-by-step explanation:
13a+4b
Substitute
13(2)+4(5)
Multiply
26+20
Add
46
A direct variation includes the points (2,18) and (n,9). Find n?
Answers
The value of the n is 1
In a direct variation, the relationship between two variables is of the form y = kx, where k is a constant of proportionality.
To find the constant of proportionality k in this problem, we can use the fact that the given points satisfy the equation for direct variation.
(2,18) is one of the given points, so we can substitute these values into the equation y = kx and solve for k:
18 = k(2)
k = 18/2
k = 9
Now that we have found the value of k, we can use it to find n when y = 9:
9 = 9n
n = 1
Therefore, the value of n is 1.
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perform the following operations on matrices (1 8 0 7) (7 6 7 4) = ( )
Answers
Answer:
\(\left[\begin{array}{cc}63&38\\49&28\end{array}\right]\)
Step-by-step explanation:
\(\left[\begin{array}{cc}1&8\\0&7\end{array}\right]\left[\begin{array}{cc}7&6\\7&4\end{array}\right]=\left[\begin{array}{cc}(1)(7)+(8)(7)&(1)(6)+(8)(4)\\(0)(7)+(7)(7)&(0)(6)+(7)(4)\end{array}\right]\\\\=\left[\begin{array}{cc}63&38\\49&28\end{array}\right]\)
Each element of the product matrix is the dot product of the corresponding row in the left matrix and the corresponding column in the right matrix.
For example, the element at row 2, column 1 of the product is [0 7]·[7, 7], the dot product of row 2 of the left matrix with column 1 of the right matrix.
_____
Many calculators, spreadsheets, and web sites can do this tedious math for you.
What is the M.A.D. (mean absolute deviation) of the following data set?
8 9 9 7 8 6 9 8
Answers
The mean absolute deviation is 0.75
How to determine the mean absolute deviationTo calculate the mean absolute deviation (M.A.D.), you need to find the average of the absolute differences between each data point and the mean of the data set
From the information given, we have that the data set is;
8 9 9 7 8 6 9 8
Let's calculate the mean, we get;
Mean = (8 + 9 + 9 + 7 + 8 + 6 + 9 + 8) / 8
Mean = 64 / 8
Divide the values
Mean = 8
Let's determine the absolute difference, we get;
Absolute differences=
|8 - 8| = 0
|9 - 8| = 1
|9 - 8| = 1
|7 - 8| = 1
|8 - 8| = 0
|6 - 8| = 2
|9 - 8| = 1
|8 - 8| = 0
Find the mean of the absolute differences:
Average of absolute differences = (0 + 1 + 1 + 1 + 0 + 2 + 1 + 0) / 8
Absolute difference = 6 / 8 = 0.75
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I WILL MARK BRAINLIEST PLEASE ANSWER ITS DUE AT 1:00 PLEASE
Answers
Answer:
(7,3)
Step-by-step explanation:
There is a 30% chance that it rains on Saturday. If it rains, the probability that Sarina will go to
the store on Saturday is .12. If it doesn't rain, the probability that she will go to the store is .53.
Let R represent "it rains and S represent "going to the store".
a. Sketch a tree diagram to
represent this scenario.
b. P(S) = ?
c. P(S') = ?
d. P(S | R) = ?
e. P(R' | S') = ?
Answers
This can be solved by finding the probability and using the Bayes' theorem. However, there is a 34.7% chance that Sarina will go to the store on Saturday, and a 65.3% chance that she will not. If it rains on Saturday, there is a 10.3% chance that Sarina will go to the store, and if she doesn't go to the store, there is a 20.3% chance that it did not rain that day.
a. Tree Diagram
A tree diagram is a visual representation of the different possible outcomes of a sequence of events. Each branch represents an event, and the probability of that event is written above the branch. The branches that lead to the same final outcome are grouped together. For this scenario, we can start with the event of whether it rains or not, then branch out to whether Sarina goes to the store or not based on each possibility.
b. To find P(S), we need to use the law of total probability:
P(S) = P(R) * P(S | R) + P(R') * P(S | R')
= 0.3 * 0.12 + 0.7 * 0.53
= 0.347
So there is a 34.7% chance that Sarina will go to the store on Saturday.
c. P(S') is simply the complement of P(S):
P(S') = 1 - P(S)
= 1 - 0.347
= 0.653
So there is a 65.3% chance that Sarina will not go to the store on Saturday.
d. To find P(S | R), we can use Bayes' theorem:
P(S | R) = P(R | S) * P(S) / P(R)
= P(R and S) / P(R)
= 0.3 * 0.12 / 0.347
= 0.103
So if it rains, there is a 10.3% chance that Sarina will go to the store on Saturday.
e. To find P(R' | S'), we can again use Bayes' theorem:
P(R' | S') = P(S' | R') * P(R') / P(S')
= (1 - P(S | R')) * 0.7 / 0.653
= (1 - 0.53) * 0.7 / 0.653
= 0.203
So if Sarina does not go to the store on Saturday, there is a 20.3% chance that it did not rain that day.
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Twenty standard cartons of octal boxes weigh a total of 1,100 pounds. Find the weight per carton.
Answers
Twenty standard cartons of octal boxes weigh a total of 1,100 pounds. The weight per carton is 55 pounds.
Given that twenty standard cartons of octal boxes weigh a total of 1,100 pounds. We need to find the weight per carton.
How to find the weight per carton? To find the weight per carton, we need to divide the total weight of twenty standard cartons of octal boxes by 20.Let's assume the weight of each carton be x.
Therefore, the equation can be formed asx * 20 = 1,100 Solving the above equation for x, x = 1,100/20 Therefore, the weight per carton is 55 pounds. So, twenty standard cartons of octal boxes weigh a total of 1,100 pounds.
The weight per carton is 55 pounds.
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Find the median and mean of the data set below:
14, 25, 41, 4, 23, 8, 32
Answers
the mean is 21
Alesha went to the movies. A popcorn is $3 more than a soda. She purchased 1 popcorn and 2 sodas. She spent $21. How much is a popcorn?
Answers
Answer: a popcorn is $9
Step-by-step explanation:
soda is $6
Is. She analyzes
st.
Martha graphs the data for the number of bracelets made, a, and the number of beads used,
y, and draws a line through the points.
Number of Beads Used
600
500
400
300
200
100
0
Bracelets Made
versus Beads Used
(31, 651)
(23, 483).
(10, 210)
5 10 15 20 25 30 35
Number of Bracelets Made
Write an equation that represents the relationship between the number of bracelets made
and the number of beads used. Show or explain how you found the slope and y-intercept.
Enter your equation and your work or explanation in the space provided.
You may use the drawing box to add a drawing to help explain your answer.
A
7
44
▶
Exhibits
P
Answers
The equation for the relationship between the number of bracelets made and the number of beads is y = 21x.
First, the rate of change
= (483 - 210) / (23 - 10)
= 273 / 13
= 21
So, the equation for the relationship between the number of bracelets made and the number of beads used.
(y - 210) = 21 (x- 10)
y - 210 = 21x - 210
y = 21x
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The side of a triangle are in the ratio 4:4:3 what kind of triangle is it (b) calculate the smallest angle of the triangle to the nearest degree
Answers
The smallest angle of the equilateral triangle is 60 degrees
If the sides of a triangle are in the ratio 4:4:3, it implies that the lengths of the sides are proportional.
To determine the type of triangle, we examine the side lengths. Since all three sides are equal in length, we have an equilateral triangle.
For an equilateral triangle, all angles are equal. To calculate the smallest angle, we divide the total sum of angles in a triangle (180 degrees) by the number of angles, which is 3:
Smallest angle \(= \frac{180}{3} = 60\)\) degrees.
Therefore, the smallest angle of the equilateral triangle is 60 degrees (to the nearest degree).
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Determine whether each relation is a function. Explain as well please.
1. (5,5),(6,2),(8,4)
2. (7,3),(7,9),(9,6)
3. (5,5),(5,6),(5,2),(7,5),(8,8)
4. (6,6),(5,6),(7,7),(8,7)
Answers
1) yes, because no x values repeats itself
2)no, because an x value repeats itself (7)
3)no, because an x value repeats itself (5)
1) yes, because no x value repeats itself
If 300 cones were sold, how many were chocolate?
Answers
Answer:
90
Step-by-step explanation:
X^2+8x+7 I need help
Answers
Answer:
x = - 7, x = - 1
Step-by-step explanation:
Assuming you require the expression solved.
To solve, equate to zero
x² + 8x + 7 = 0 ← in standard form
(x + 7)(x + 1) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 7 = 0 ⇒ x = - 7
x + 1 = 0 ⇒ x = - 1
Which Trig ratio should be used to find the missing side?
A.Sin
B.Cos
C.Tan
Answers
Answer:
tan
Step-by-step explanation:
take 53 degree as reference abgle
tan 53=opposite /adjacent
1.32=15/x
x=15/1.32
x=11.36
x=11.4
Graph the function using the techniques of shifting, compressing, stretching, and/or reflecting f(x)=(x+3)^3-2
Answers
The order that took the longest is represented by point…?
This order had___? Cakes and took___ minutes to decorate.
Answers
I really need help :(((((
Answers
a) The equation for the relationship is y = 5x. Then the correct option is C.
b) The equation that matches the graph is y = 5x. Then the correct option is B.
What is the equation of a line passing through two points?Let the equation of the line pass through (x₁, y₁) and (x₂, y₂). Then the equation of the line is given as,
\(\rm (y - y_2) = \left (\dfrac{y_2 - y_1}{x_2 - x_1} \right ) (x - x_2)\)
a) From the table, the two points are (2, 10) and (4, 20). Then the equation of the line is given as,
(y - 10) = [(20 - 10) / (4 - 2)] (x - 2)
y - 10 = 5x - 10
y = 5x
Thus, the correct option is C.
b) The line is passing through the origin, then the y-intercept is zero. Then the equation of the line is given as,
y = mx
The equation of the line is passing through (2, 80), then we have
80 = 2m
m = 40
Then the equation of the line is written as,
y = 40x
Thus, the correct option is B.
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Computer programs are sold for $20 each if 300 people buy them. For every $5.00 increase increase in price, 30 fewer people buy them
Answers
Given that the cost of a computer program is $20 if 300 people buy them. For every $5.00 increase in price, 30 fewer people buy them. We need to find the relation between the price of computer programs and the number of people who will buy them.Relation between the price of computer programs and the number of people who will buy them can be represented in a table:Price per program .
Number of people who buy them$20 300$25 270$30 240$35 210$40 180$45 150$50 120Note that with each $5.00 increase in price, 30 fewer people buy the computer program.
Hence, the number of people who will buy the computer program will reduce by 30 with each $5.00 increase in price.
For instance, if the price increases from $20 to $25, the number of people who will buy it will reduce by 30 and be 270.
In conclusion, we can say that with every $5.00 increase in price, the number of people buying computer programs reduces by 30.
The relation between the price of computer programs and the number of people who will buy them can be represented in a table.
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Fred is standing at a point looking north. He walks on a bearing 056° for 9.8km before stopping. He then walks an additional 3.5 km on a bearing of 112° before stopping to rest. (a) Find out how far he is away from his start point using sine or cosine rule (b) Determine the area of the enclosed shape (c) Draw neat labeled scale diagram of the same
Answers
The area of the enclosed shape is about 14.47 km^2.
We are given that;
056° for 9.8km and 3.5 km on a bearing of 112°
Now,
We can see that the enclosed shape is a triangle with sides 9.8 km, 3.5 km, and z km, and angles 56°, 112°, and y°. We can use the fact that the sum of angles in a triangle is 180° to find y:
y = 180° - 56° - 112°
y = 12°
Now we can use the cosine rule to find z:
z^2 = 9.8^2 + 3.5^2 - 2(9.8)(3.5)cos(12°)
z^2 ≈ 101.87
z ≈ 10.09
Therefore, Fred is about 10.09 km away from his start point.
To find the area of the enclosed triangle, we can use the sine rule to find x, the height of the triangle:
sin(56°) = x/9.8
x = 9.8 sin(56°)
x ≈ 8.27
The area of a triangle is given by half the base times the height, so:
A = (1/2)(3.5)(8.27)
A ≈ 14.47
Therefore, by trigonometric ratios the answer will be 14.47 km^2.
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identify the like terms 4b, 8, 2b, 1
Answers
Answer:
4b & 2b are like terms
Step-by-step explanation: