The ordered pair for each letter on the graph would be A at (2, 4), B at (-1, 2), C at (-3, -2), D at (2, 0), E at (0, 4), and F at (5, -5).
What is a graph?A graph can be defined as a pictorial representation or a diagram that represents data or values.
As per the given graph,
The coordinates of point A would be (2, 4)
The coordinates of point B would be (-1, 2)
The coordinates of point C would be (-3, -2)
The coordinates of point D would be (2, 0)
The coordinates of point E would be (0, 4)
The coordinates of point F would be (5, -5)
Therefore, the ordered pair for each letter on the graph would be A at (2, 4), B at (-1, 2), C at (-3, -2), D at (2, 0), E at (0, 4), and F at (5, -5).
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An industrial psychologist conducted an experiment in which 40 employees that were identified as "chronically tardy" by their managers were divided into two groups of size 20. Group 1 participated in the new "It's Great to be Awake!" program, while Group 2 had their pay docked. The following data represent the number of minutes that employees in Group 1 were late for work after participating in the program.
Does the probability plot suggest that the sample was obtained from a population that is normally distributed? Provide TWO reasons for your classification.
Answer:
The probability plot of this distribution shows that it is approximately normally distributed..
Check explanation for the reasons.
Step-by-step explanation:
The complete question is attached to this solution provided.
From the cumulative probability plot for this question, we can see that the plot is almost linear with no points outside the band (the fat pencil test).
The cumulative probability plot for a normal distribution isn't normally linear. It's usually fairly S shaped. But, when the probability plot satisfies the fat pencil test, we can conclude that the distribution is approximately linear. This is the first proof that this distribution is approximately normal.
Also, the p-value for the plot was obtained to be 0.541.
For this question, we are trying to check the notmality of the distribution, hence, the null hypothesis would be that the distribution is normal and the alternative hypothesis would be that the distribution isn't normal.
The interpretation of p-valies is that
When the p-value is greater than the significance level, we fail to reject the null hypothesis (normal hypothesis) and but if the p-value is less than the significance level, we reject the null hypothesis (normal hypothesis).
For this distribution,
p-value = 0.541
Significance level = 0.05 (Evident from the plot)
Hence,
p-value > significance level
So, we fail to reject the null or normality hypothesis. Hence, we can conclude that this distribution is approximately normal.
Hope this Helps!!!
The first term of a geometric sequence is 15, and the 5th term of the sequence is 243/125.
What are the geometric means between these terms?
The geometric sequence is:
\(\boxed{15,9,\frac{27}{5},\frac{81}{25}, \frac{243}{125} }\)
What is geometric sequence?A geometric sequence, or geometric progression, is a sequence of numbers where each successive number is the product of the previous number and some constant \(\text{r}\).
Now,
Given that the first term of the geometric sequence is 15The fifth term of the sequence is \(\frac{243}{125}\)We need to find the 2nd, 3rd and 4th term of the geometric sequence. To find these terms, we need to know the common difference. The common difference can be determined using the formula,
\(\text{a}_{\text{n}}=\text{a}_1(\text{r})^{\text{n}-1}\)Where \(\text{a}_1=15\) and \(\text{a}_5=\frac{243}{125}\)
For \(\text{n}=5\), we have,
\(\dfrac{243}{125}=15(\text{r})^4\)
Simplifying, we have,
\(\sf r= \dfrac{3}{5}\)
Thus, the common difference is \(\sf r= \frac{3}{5}\)
Now, we shall find the 2nd, 3rd and 4th terms by substituting \(\sf n=2,3,4\) in the formula \(\text{a}_{\text{n}}=\text{a}_1(\text{r})^{\text{n}-1}\)
For \(\sf n=2\)
\(\text{a}_2=15\huge \text(\dfrac{3}{5}\huge \text)^1\)
\(=\bold{{9}}\)
Thus, the 2nd term of the sequence is 9
For \(\sf n=3\), we have,
\(\text{a}_3=15\huge \text(\dfrac{3}{5}\huge \text)^2\)
\(=15\huge \text(\dfrac{9}{25}\huge \text)\)
\(\bold{=\dfrac{27}{5}}\)
Thus, the 3rd term of the sequence is \(\bold{{\frac{27}{5}}}}\)
For \(\sf n=4\), we have,
\(\text{a}_4=15\huge \text(\dfrac{3}{5}\huge \text)^3\)
\(=15\huge \text(\dfrac{27}{25}\huge \text)\)
\(\bold{=\dfrac{81}{25}}\)
Thus, the 4th term of the sequence is \(\bold{\frac{81}{25}}\)
Therefore, the geometric sequence is:
\(\boxed{\bold{15,9,\frac{27}{5},\frac{81}{25}, \frac{243}{125}}}\)
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Tickets for movie admission for adults are
$4.00 each, but half-price is charged for
children. If 265 adult tickets were sold and
he box office collected $1,200, how many
children's tickets were sold?
A) 70
B) 35
C) 280
[D) 140
Answer:
[ D ] 140
Step-by-step explanation
4 x 265 = 1060
1060 - 1200 = -140
the answer is 140 i hope this helped <3
Consider the polynomial function q(x) = -2x^8 + 5x^6 -3x^5 + 50 What is the end behaviour of the graph of q?
The end behavior of the function q(x) is:
when x → ∞, q(x) → -∞when x → -∞, q(x) → -∞How to identify the end behavior?To know the end behavior we need to look at the degree and the sign of the leading coefficient.
If the degree is even, and the leading coefficient is negative, then in both ends the function will tend to negative infinity.
Here we can see that the function is:
q(x) = -2x⁸ + 5x⁶ - 3x⁵ + 50
So, the degree is 8, and the leading coefficient is -2, then the end behavior of the function is:
when x → ∞, q(x) → -∞
when x → -∞, q(x) → -∞
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Translate the phrase into an algebraic expression.
2 more than y
Answer:
2 + Y
Step-by-step explanation:
Two more than Y would be adding 2 to y, therefore adding 2 to y.
2 + Y
If 6% of a number equals one find 24% of that number
Answer
We have, 6% × x = 24 or, 6 100 × x = 24
Step-by-step explanation:
Multiplying both sides by 100 and dividing both sides by 6,
Answer:
24 % of that number is 4
Step-by-step explanation:
First solution:
If 6% of a number is 1, then 1% is 1/6 which is a repeating decimal, so we can just take it as 1/6. Then, to find 24% of that number we would have to do 1/6 x 24 which is equal to 24/6. 6 can evenly divide 24 which is 4.
Second solution:
We can see that since 24 is evenly divided by 6, to find 24%, we can multiply 1 by 4 because 6% x 4 = 24%
Therefore, 24% of that number is 4.
NO LINKS!! Please help me with this problem Part 4gg
Answer:
(-1, 1) ∪ (3, ∞)
Step-by-step explanation:
Given inequality:
\(x^3-3x^2-x+3 > 0\)
Solve the inequality as though it were an equation.
\(\implies x^3-3x^2-x+3=0\)
Factor the equation.
If the coefficients in a polynomial add up to 0, then (x - 1) is a factor.
\(\implies (x-1)(x^2-2x-3)=0\)
\(\implies(x-1)(x+1)(x-3)=0\)
\(\implies x-1=0 \implies x=1\)
\(\implies x+1=0 \implies x=-1\)
\(\implies x-3=0 \implies x=3\)
The real solutions to the equation are the boundary points for the solution to the inequality.
Make the boundary points open circles as the original inequality does not include equality.
Four regions have been created:
x < -1-1 < x < 11 < x < 3x > 3Select points from the different regions and test to see if they satisfy the original inequality:
\(x=-2 \implies (-2)^3-3(-2)^2-(-2)+3=-15 < 0\)
\(x=0 \implies (0)^3-3(0)^2-(0)+3=3 > 0\)
\(x=2 \implies (2)^3-3(2)^2-(2)+3=-3 < 0\)
\(x=4 \implies (4)^3-3(4)^2-(4)+3=15 > 0\)
Since x = -2 does not satisfy the original inequality, the region x < -1 is not part of the solution.
Since x = 0 does satisfy the original inequality, the region -1 < x < 1 is part of the solution.
Since x = 2 does not satisfy the original inequality, the region 1 < x < 3 is not part of the solution.
Since x = 4 does satisfy the original inequality, the region x > 3 is part of the solution.
Therefore, the solution in interval notation is:
(-1, 1) ∪ (3, ∞)To graph the solution set:
Place open circles at x = -1, x = 1 and x = 3.Connect the open circles at x = -1 and x = 1 with a line.Draw a line to the right of the open circle at x = 3 and place an arrow at the other end of the line to indicate it continues indefinitely.a cooler contains 50 bottles; 30 bottles of water, which 8 are lemon flavored and 20 bottles of tea, of which 5 are lemon flavored. if you randomly select two beverages. what is the probability that both beverages are lemon flavored and 1 beverage is water and other is tea
Answer:
The required probability is \(\dfrac{13}{50}\)
Step-by-step explanation:
Total number of bottles = 50
Total number of water bottles = 30
Total number of lemon flavored water bottles = 8
Total number of tea bottles = 20
Total number of lemon flavored tea bottles = 5
Probability of selecting a lemon flavored water bottle = Probability of selecting a water bottle \(\times\) Probability of selecting a lemon bottle out of water bottles.
Probability of selecting a lemon flavored tea bottle = Probability of selecting a tea bottle \(\times\) Probability of selecting a lemon bottle out of tea bottles.
Formula for probability of an event E can be observed as:
\(P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}\)
Probability of selecting a water bottle:
\(\dfrac{30}{50} = \dfrac{3}{5}\)
Probability of selecting a lemon flavored bottle from water bottle:
\(\dfrac{8}{30}\)
Probability of selecting a lemon flavored water bottle = P(A)
\(\dfrac{3}{5} \times \dfrac{8}{30} = \dfrac{4}{25}\)
Probability of selecting a tea bottle:
\(\dfrac{20}{50} = \dfrac{2}{5}\)
Probability of selecting a lemon flavored bottle from tea bottle:
\(\dfrac{5}{20} = \dfrac{1}{4}\)
Probability of selecting a lemon flavored tea bottle = P(B)
\(\dfrac{2}{5} \times \dfrac{1}{4} = \dfrac{1}{10}\)
The required probability is:
P(A) + P(B):
\(\dfrac{4}{25} + \dfrac{1}{10}\\\Rightarrow \dfrac{8+5}{50}\\\Rightarrow \dfrac{13}{50}\)
solve 3(x+4)-11=28 please
Answer:
\(\huge\boxed{\sf x = 9}\)
Step-by-step explanation:
Given equation:3(x + 4) - 11 = 28
Add 28 to both sides3(x + 4) = 28 + 11
3(x + 4) = 39
Distribute3x + 12 = 39
Subtract 12 from both sides3x = 39 - 12
3x = 27
Divide both sides by 3x = 27/3
x = 9\(\rule[225]{225}{2}\)
Amanda made $30,000 in taxable income last year.
Suppose the income tax rate is 10% for the first $8500 plus 15% for the amount over $8500.
How much must Amanda pay in income tax for last year?
Explanation:
10% of $8500 = 0.10*8500 = 850
For the first $8500 she made, she pays $850 in tax.
The remaining amount over 8500 is then taxed at 15%
30,000 - 8,500 = 21,500
So the remaining $21,500 she earned is taxed at the higher bracket of 15%
15% of 21500 = 0.15*21500 = 3225
She has to pay an additional $3225 in tax.
The total tax bill comes to 850+3225 = 4075 dollars
This is an effective rate of 4075/30000 = 0.1358 = 13.58% roughly.
The perimeter of a triangle is 27.1 feet. The sides of the triangle measure 9.8feet, 10.9 feet, and x feet. Write an equation to find the missing side. * 9.8 + 10.9 = 27.127.1-9.8 - 10.9 = xX + 9.8 + 10.9 = 27.1X - 27.1 = 9.8 + 10.9Which one? Please help!
For this problem we know that the perimeter of a triangle is given by the sum of the sides and we can set up the following equation:
9.8 + 10.9 + x = 27.1
And the best answer would be:
X + 9.8 + 10.9 = 27.1
i
dont
get
this
help
rn
Answer:
6 first box. 12 second box. 21 third box. 10 fourth box. 4 fifth box.
Step-by-step explanation:
Look for common denominaters, that will show you what to multiply the equation by to get rid of fractions.
I’ll give brainliest! Please help
Answer:
65
Step-by-step explanation:
The lines are parallell so m1 = m5, and m3=m8. 180-115 is 65
What is the distance between the points (15,17) and (15,-4) in the coordinate plane?
A.
21 units
B.
10.5 units
C.
13 units
D.
2 units
Answer:
21
Step-by-step explanation:
15-15=0
17-(-4)=21
sqrt(0^2+21^2)=21
Rose, Bette, and Cindy equally shared 5 boxes of crayons. Write an equation to show how much each girl got.
this is someone else's answer from a question just like this one (Makanzi)
Since there was five boxes of crayons and there was 3 crayons in each one, the would be 15 in total. (crayons) And there was three people, 15/3=5 crayons per person.
Equation: 3x=15
x stands for the amount of crayons each person gets.
please help with my problem
20 + 20 × 25²
Answer:
12520
Step-by-step explanation:
Firstly , we need to find 25²
25 × 25 = 625
Then let us multiply before we add on ,
20 × 25² = 20 × 625 = 12500
12500 + 20 = 12520
And this is the final answer.
Question
20 + 20 × 25²
Answer:
Step by step explanation:
=20 + 20 × 25²
=20 + 20 × (25 × 25)
=20 + 20 × 625
=20 + 12.500
=12.520
results of 12.500 is 12.520
I hope this helps
1)! (b) Complete the table of values for y = 3x + 1.
Please help ❤️
Answer:
y = -2, 1, 4, 7 (in order)
Step-by-step explanation:
Plug in the value of x into the equation to find y.
For example for -1, plug in x as -1 into the equation.
y = 3(x) +1
y = 3(-1) + 1
y = -2
Similarly plug in the x to find the rest of the values for y.
For exponential functions of the form
f(x) = a^x, which of the following
expressions is equal to [f(1)]^2??
Click on the correct answer.
f(1^2)
f(1•2)
f(1 + 2)
Answer:
f(1·2)
Step-by-step explanation:
Subbing x=1 (f(1)) into the original function f(x)=a^x will give f(1)=a^1 which is simply equal to a. Therefore, if we were to do [f(1)]^2, we would just get a^2 because f(1) is equivalent to a. Out of the choice.s present, only f(1·2) is equal to a^2, because a^(1·2)=a^2
The width of a rectangle is the length minus 3 units. The area of the rectangle is 28 square units. What is the length, in units, of the rectangle?
The length of a rectangle cannot be negative, hence the length of the rectangle is 7 units.
Finding area and perimeter of triangleBased on the question given, the width (W) is the length (L) minus 3 units, which can be expressed as:
W = L - 3
The formula for the area (A) of a rectangle is:
A = Length × Width
We are given that the area is 28 square units, so:
A = 28
Now, we can substitute the expressions for width (W) and area (A) into the area formula:
28 = L × (L - 3)
Now, we need to solve this quadratic equation for L. First, expand the equation:
28 = L^2 - 3L
Now, rearrange the equation in standard quadratic form
L^2 - 3L - 28 = 0
To solve this quadratic equation, you can factor it:
(L - 7)(L + 4) = 0
Now, set each factor equal to zero and solve for L:
L - 7 = 0
L = 7
L + 4 = 0
L = -4
Since the length of a rectangle cannot be negative, hence the length of the rectangle is 7 units.
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Question:-
The area of two similar triangles are 81 cm2 and 49 cm² respectively. If one of the sides of the first triangle is 6.3 cm, find the corresponding side of the other triangle.
Let's assume that the corresponding side of the second triangle is \(\displaystyle\sf x\).
The ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides. Therefore, we can set up the following proportion:
\(\displaystyle\sf \left( \dfrac{x}{6.3} \right)^{2} =\dfrac{49}{81}\)
To find \(\displaystyle\sf x\), we can solve the proportion above:
\(\displaystyle\sf \left( \dfrac{x}{6.3} \right)^{2} =\dfrac{49}{81}\)
Taking the square root of both sides:
\(\displaystyle\sf \dfrac{x}{6.3} =\sqrt{\dfrac{49}{81}}\)
Simplifying the square root:
\(\displaystyle\sf \dfrac{x}{6.3} =\dfrac{7}{9}\)
Cross-multiplying:
\(\displaystyle\sf 9x = 6.3 \times 7\)
Dividing both sides by 9:
\(\displaystyle\sf x = \dfrac{6.3 \times 7}{9}\)
Calculating the value:
\(\displaystyle\sf x = 4.9\)
Therefore, the corresponding side of the second triangle is \(\displaystyle\sf 4.9 \, cm\).
\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)
♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
Answer:
Step-by-step explanation:
let's assume that the corresponding side of the second triangle is .
The ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides. Therefore, we can set up the following proportion:
To find , we can solve the proportion above:
Taking the square root of both sides:
Simplifying the square root:
Cross-multiplying:
Dividing both sides by 9:
Calculating the value:
Therefore, the corresponding side of the second triangle is 4.9cm
hope it helped u dear...........
Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 60 feet, 40 feet, and 30 feet long. If the two shortest sides of quadrilateral EFGH are 6 feet long and 12 feet long, how long is the 2nd longest side on quadrilateral EFGH?
Answer:
24
Step-by-step explanation:
For ABCD the three longest are:
60,40,30
60 to 40 is 20
40 to 30 is 10
so each time it's decreasing by 1/2
For EFGH the two shortest are:
6 and 12
12 to 6 is 1/2
Assuming there is a pattern
it logically would be 24
as 12(2)=24
Divide and simplify. Give your answer using positive exponent. Leave your answer in exponential notation.
Answer:
14⁻⁵
Step-by-step explanation:
Dividing two exponents with the same base has the effect of subtracting the bottom exponent from the top one. Following that rule, we can simplify our fraction like this:
\(\dfrac{14^{-3}}{14^2}=14^{-3-2}=14^{-5}\)
Answer:
1/14^5
Step-by-step explanation:
14^-3 can be rewritten as 1/14^-3
When doing so you are left with 1/(14^2)(14^3)
Simplify: 1/(14^5) because when multiplying exponents with common bases, you add the exponents.
Explain how the following ordered pairs represent or doesn't represent a function - {(-3, 5), (-2, 5), (-1, 5), (0, 5), (1, 5). (2, 5)8 function a function a. For every x value there is one y value - not a c. For every y value, there is one x value - function b. For every x value, there is only one y value - d. . For every y value, there is one x value - not a function
The way in which the given ordered pairs represent a function is: b. For every x value, there is only one y value - a function.
What is a function?A function simply refers to a mathematical expression (equation) which is used to define and represent the relationship that exists between two or more variables. This ultimately implies that, a function is typically used for uniquely mapping an input variable (x-value) to an output variable (y-value).
In this context, we can reasonably infer and logically deduce that these ordered pairs represent a function because it has different input variables (x-values) for different or the same output variables (y-values).
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What is the answer to 7x+12=3x
Given:
\(7x+12=3x\)\(\begin{gathered} 7x-3x=-12 \\ 4x=-12 \\ x=-\frac{12}{4} \\ x=-3 \end{gathered}\)write and solve an inequality to find the possible values of x
The inequality that represents the value of x is (b) x > 80
Writing and solving the inequality for xfrom the question, we have the following parameters that can be used in our computation:
The figure
The general rule is that
The larger the side length, the larger the angle opposite it
using the above as a guide, we have the following:
1/8x > 10
So, we have
x > 80
Hence, the inequality is x > 80
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List the sample space for rolling a fair 12-sided die.
S = {1, 2, 3, 4, 5, 6}
S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
S = {1}
S = {12}
The sample space for rolling a fair 12-sided die is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.
What is sample space?Sample space is a set of all possible outcomes of an experiment or random event. It is the collection of all possible results or outcomes that can occur when a particular event is performed.
In the given question,
The sample space is the set of all possible outcomes of an experiment. In this case, the experiment is rolling a fair 12-sided die. The sample space would include all possible values that the die can land on when rolled.
Since a 12-sided die has 12 equally likely outcomes, the sample space would consist of the numbers 1 through 12. However, only one of the options presented in the question includes all 12 numbers in the sample space, which is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.
Option S = {1, 2, 3, 4, 5, 6} represents the sample space of a regular 6-sided die, while options S = {1} and S = {12} only include one possible outcome, which is not applicable for a 12-sided die.
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i made a mistake its this question
The width of a rectangle is 3/4 its length. The perimeterof the rectangle is 420ft. What is the lenght, in feet, of the rectangle
Answer:
The length = 120 feet
Step-by-step explanation:
Givens
Let the length = x
Let the width = 3/4 x
Perimeter = 420 feet
Formula
Perimeter = 2*L + 2*w
Solution
2*x + 2(3/4) x = 420
2x + 1.5x = 420
3.5 x = 420
x = 120
willams bought piece of woods that is 3 feet long.he cuts it in to two pieces.one piece is 14 in long how long is the other piece
Answer:
22 inches
Step-by-step explanation:
3 feet = 36 inches
36-14=22
The other half is 22 inches long
'All factors of 70 are even numbers.'
Is he correct?
Ores
Yes
No
No
Explain your answer.
Answer:
No
Step-by-step explanation:
70 is divisible by 5. 5 is not an even number.
Answer:
No
Step-by-step explanation:
The factors of 70 are 1, 2, 5,7,10, 14, 35, and 70. the even numbers are 2, 10,14, and 70. but there are odd numbers, like 1, 5, 7, and 35. And since we know there are odd factors, the answer is No. 70 has even AND odd factors.