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Points are (-3,0) , (-2,2), (0,1) and (1,2)
f(0)=1
Type the correct answer in the box.
x
The value of log,5
10828 15
Answer:
190.3
Step-by-step explanation:
190.3 I multiplied sorry if incorrect
Tiyanna received 90 votes for class sweetheart. The amount of votes she received were 30 more than 4 times the amount that Dominique . Write and equation that demonstrates the relationship between the amounts Tiyanna and Dominique received.
Answer:
30x4
Step-by-step explanation
the answer is 120
karla is offered a job as parking lot attendant. the job will pay 2400 per month, paid biweekly. along with the base salary, the company offers to pay half the cost of medical insurance and will match karlas contribution to a retirment plan up to a total of 1500. if the full cost of the medical insurance is 450 a month and karla plans to contribute the full 1500 every year tpa retirement plan, what is the actual annual value of this job to karla?
The actual annual value of this job to Karla is 33000.
What are arithmetic operations?
Arithmetic operations is a branch of mathematics that studies numbers and the operations on numbers that are useful in all other branches of mathematics. It consists primarily of operations like addition, subtraction, multiplication, and division.
We have,
the job will pay 2400 per month,
if the full cost of the medical insurance is 450 a month and Karla plans to contribute the full 1500 every year tpa retirement plan,
the actual annual value of this job to Karla is:
2400 per month
annual value = 2400 * 12 = 28,800
the medical insurance is 450 a month
half the cost of medical insurance is 225 a month
annual value = 225 * 12 = 2700
the full 1500 every year tpa retirement plan,
So, the total value is:
= 28,800 + 2700 + 1500
= 33000
Hence, the actual annual value of this job to Karla is 33000.
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Nina brought 25 cupcakes to school for her friends. There were two flavors, chocolate and vanilla. For every 2 chocolate cupcakes she brought, Nina brought 3 vanilla cupcakes.
How many vanilla cupcakes did Nina take to school? Explain.
The number of vanilla cupcakes that Nina took to school is; 15 vanilla cupcakes
We are given;
Number of cake Nina bought for her friends = 25 cupcakes
There are two flavors namely chocolate and vanilla.
Now, we are told that for every 2 chocolate cupcakes she bought, she bought 3 vanilla cupcakes. Thus;
Fraction of chocolate cupcakes of the total = 2/(2 + 3) = 2/5
Fraction of vanilla cupcakes of the total = 3/5
Thus;
Number of the chocolate cupcakes she bought = 2/5 × 25 = 10 chocolate cupcakes
Number of the vanilla cupcakes she bought = 3/5 × 25 = 15 vanilla cupcakes
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What is the y- intercept of the line. y + 11 = -2(x + 1.5)?
Answer:
(0, -14)
Step-by-step explanation:
Express 75 as a product of its prime factors write the prime factors in ascending order and give your answer in index form
Step-by-step explanation:
75 = 3 x 5 x 5 in prime factorization
Answer:
Step-by-step explanation:
3x5x5
What is the approximate area of the shaded sector in the circle below?
Answer: I believe the answer is 51 inches squared
Step-by-step explanation:
What is the Mean, Meadian, Range, and mode of 39, 31, 28, 26, 63, 38, 28, 4, and 92
The mean of the data is the average number of the data. The average (mean) can be determined by adding all the numbers in the data and dividing it by the total digits in the data.
Given data:
39, 31, 28, 26, 63, 38, 28, 4, and 92We know:
Added data: 39 + 31 + 28 + 26 + 63 + 38 + 28 + 4 + 92Total digits in data: 9Therefore, the expression that represents the mean is;
\(\implies \text{Mean} = \dfrac{39+ 31+ 28+ 26+ 63+ 38+28+ 4 +92}{9}\)
When simplified, we get;
\(\implies \text{Mean} = \dfrac{349}{9}\)
\(\implies \text{Mean} = 38.78 \ \ \text{(Rounded to nearest hundredth)}\)
Therefore, the mean is 38.78 (Nearest hundredth).
Median:The median can be determined by arranging the data in ascending form or descending form. Then, simply determine the middle number. The middle number of the data (in ascending or descending order) is the median.
Data (In ascending order):
4, 26, 28, 28, 31, 38, 39, 63, 92
As the number of digits is odd, we will use the rule [(n + 1)/2], where "n" is the number of digits in the data.
Total digits in data: 9
⇒ (n + 1)/2 th ⇒ (9 + 1)/2 th ⇒ (10)/2 th ⇒ 5thThe 5th digit in the "ascending order" data is the median.
⇒ 4, 26, 28, 28, 31, 38, 39, 63, 92The median of the data is 31.
Mode:The mode of the data is the digit that has repeated the most. We can determine the mode of the data by preparing a frequency table.
\(\underline{....................}\\\underline{| \ \ 39 \ \ | \ \ \ 1 \ \ \ |}\\ \underline{| \ \ 31 \ \ | \ \ \ 1 \ \ \ |} \\ \underline{| \ \ 28 \ \ | \ \ \ 2 \ \ \ |} \\ \underline{| \ \ 26 \ \ | \ \ \ 1 \ \ \ |} \\ \underline{| \ \ 63 \ \ | \ \ \ 1 \ \ \ |} \\ \underline{| \ \ 38 \ \ | \ \ \ 1 \ \ \ |} \\ \underline{| \ \ 04 \ \ | \ \ \ 1 \ \ \ |} \\ \underline{| \ \ 92 \ \ | \ \ \ 1 \ \ \ |}\)
Looking at the table, we can see that 28 has repeated 2 times and has repeated the most. Therefore, 28 is the mode.
Terry is the school swimming champion and has won several races. If the ratio of the number of times he's won to the number of races he has swum in is 2 : 3, how many races has he won?
The given information tells us that Terry's wins-to-races ratio is 2:3, but we cannot determine the exact number of races he has won without additional information about the total number of races he has participated in.
If the ratio of the number of times Terry has won to the number of races he has swum in is 2:3, we can set up a proportion to determine the number of races he has won.
Let's denote the number of times Terry has won as x, and the total number of races he has swum in as y. According to the given ratio, we have:
x/y = 2/3
To find the value of x, we need to solve for x when y is known. Since y represents the total number of races, we don't have that information in the given problem. Therefore, we cannot determine the exact number of races Terry has won without knowing the total number of races he has participated in.
The ratio tells us the relationship between the number of wins and the total number of races, but without knowing the denominator (total races), we cannot find a specific value for the numerator (number of wins). We can only determine the ratio between the two quantities.
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The expression above can also be written in the form
So what is A =
Answer:
what is the expressio
Step-by-step explanation:
Choose the table that represents g(x) = 3⋅f(x) when f(x) = x − 1
3. You get three summer jobs to help you save for college expenses. In your job as a cashier,
you work 20 hours per week and earn $9.50 per hour. Your second and third jobs are at a local
hospital. There, you earn $9.00 per hour as a payroll clerk and $7.00 per hour as an aide. You
always work 10 hours less per week as an aide than you do as a payroll clerk. Your total weekly
salary depends on the number of hours you work at each job.
a. Determine the input and output variables for this situation.
b. Explain how you calculate the total amount earned each week.
c. If x represents the number of hours you work as a payroll clerk, represent the number of
hours you work as an aide in terms of x.
d. Write an equation that describes the total amount you earn each week. Use x to represent
the input variable and y to represent the output variable. Simplify the expression as much
as possible.
e. If you work 12 hours as a payroll clerk, how much will you make in one week?
f. What are the practical replacement values for x? Would 8 hours at your payroll job be a
realistic replacement value? What about 50 hours?
g. When you don't work as an aide, what is your total weekly salary?
Please help!
Hence the output variable (total weekly earnings) is a function of the input variable (number of hours worked as a payroll clerk) and may be expressed by the equation y = 16x + 120.
What is a Variable?A variable is anything that may be altered in the context of a mathematical notion or experiment. Variables are frequently denoted by a single symbol. .
a. Input variables: hours worked as a cashier, payroll clerk, and assistant.
The total amount earned each week is the output variable.
b. To determine the weekly total, multiply the number of hours worked at each job by the hourly rate and put them together. As a result, the equation would be:
Total weekly wage = (hours worked as a cashier x cashier hourly rate) + (hours worked as a payroll clerk x payroll clerk hourly rate) + (hours worked as an aide x rate per hour as an aide)
c. The amount of hours worked as an assistant is always 10 hours fewer than that of a payroll clerk. Therefore, if x denotes the number of hours worked as a payroll clerk, then the number of hours worked as an assistant may be denoted as (x - 10).
d. The equation describing the total money earned each week is as follows:
(20 x 9.5) + (x x 9) + ((x - 10) x 7) = y
This expression is simplified as follows:
y = 190 + 9x - 70 + 7x
y = 16x + 120
Hence the output variable (total weekly earnings) is a function of the input variable (number of hours worked as a payroll clerk) and may be expressed by the equation y = 16x + 120.
f. The realistic replacement values for x would be determined by the maximum number of hours you may work at each job as well as the amount of time available to work. Working 8 hours as a payroll clerk may be a reasonable substitute value if you have restricted availability, but 50 hours is unlikely.
g. If you do not work as an aide, you may calculate your total weekly income by setting the number of hours worked as an aide to zero in the calculation for the total amount earned each week. This results in:
y = 16x + 120 + 0
y = 16x + 120
As a result, the total weekly wage would be determined only by the number of hours performed as a cashier and payroll clerk.
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7. N.CN.7 Determine the zeroes for the equation below. Select all that apply.
x² - 6x +13=0
A. 1
B. 5
C. 13
D. -3 + 2i
E. 3+2i
F. 3+4i
G. 6 + 4i
H. 3-21
I .6-41
Answer:
D. -3 + 2i and E. 3+2i are the zeroes for the equation.
Step-by-step explanation:
Olivia says that to compare two positive fractions, the one with the largerdenominator is smaller because it divides the whole into smaller pieces. How do yourespond?
Let us assume that the fractions are 1/2 and 1/5. 1/5 has the larger denominator. By converting them to decimal,
1/2 = 0.5
1/5 = 0.2
We can see that 0.2 is smaller than 0.5. This also means that 1/5 is smaller than 1/2. This is so because for the larger denominator, the numerator is divided into smaller pieces compared to when it is divided by the smaller denominator. Thus, Olivia's reasoning is correct.
What is the slope of a line that passes through the points (-3, 2) and (-6, 5)
Answer:
3/2
Step-by-step explanation:
Y2-Y1
_____
X2-X1
= 5-2
____
-6-(-3)
=3/2
I need help with this asap thank you
Answer:a
Step-by-step explanation:a
The three sides of a triangle are n. 4n + 1, and 5n -- 8. If the perimeter of the triangle is 93 cm, what is the length of each side?Separate multiple entries with a comma.
Given:
The three sides of a triangle are, n, 4n + 1, and 5n - 8.
The perimeter is 93.
To find the length of each side:
The formula of the perimeter of a triangle is,
\(\begin{gathered} P=a+b+c \\ 93=n+4n+1+5n-8 \\ 93=10n-7 \\ 100=10n \\ n=\frac{100}{10} \\ n=10 \end{gathered}\)So, the length of the sides are,
\(\begin{gathered} n=10 \\ 4n+1=4(10)+1\Rightarrow41 \\ 5n-8=5(10)-8\Rightarrow42 \end{gathered}\)Therefore, the length of the sides of a triangle are 10, 41, and 42.
Consider the following set of replicate measurements: 33.0 g, 33.5 g, 32.2 g, 34.1 g, 32.6 g, 33.2 g For this data set, calculate each of the following: the mean the spread or range(w) the standard deviation (s) the percent relative standard deviation
Mean = 33.3 g, Range = 1.9 g, Standard Deviation = 0.7 g, Relative Standard Deviation = 2.1%.
To calculate the mean of the data set, add all of the measurements together and divide by the total number of measurements. In this case, the mean is
33.3 g (33.0 + 33.5 + 32.2 + 34.1 + 32.6 + 33.2)
= 196.6 / 6
= 33.3.
To calculate the spread or range, subtract the smallest measurement from the largest measurement. In this case, the range is
1.9 g (34.1 - 32.2 )
= 1.9
To calculate the standard deviation, first calculate the difference between each measurement and the mean, square each of those differences, add them together, and then divide by the total number of measurements. In this case, the standard deviation is
0.7 g\(([(33.0-33.3)^2 + (33.5-33.3)^2 + (32.2-33.3)^2 + (34.1-33.3)^2 + (32.6-33.3)^2 + (33.2-33.3)^2] / 6 = 0.7)\). To calculate the percent relative standard deviation, divide the standard deviation by the mean and then multiply by 100. In this case, the relative standard deviation is 2.1% (0.7 / 33.3 x 100 = 2.1%).
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Question: 44 book 2. How do lines 25 and 26 contribute to the development of key idea in the article ´ ´ ideas that work... and those that don´t from when is a planet not a planet ? The story of pluto¨? Use 2 details from the article to support your response.
The article's development of key ideas by showcasing the importance of precise criteria and the ever-evolving nature of scientific knowledge. The IAU's decision on Pluto serves as a prime example of these concepts in action.
Lines 25 and 26 contribute to the development of key ideas in the article "Ideas That Work... And Those That Don't" from "When is a Planet Not a Planet? The Story of Pluto" by providing a comparison between two concepts in the field of astronomy. These lines state, "The IAU's decision to demote Pluto was based on a more nuanced understanding of what constitutes a planet."
Firstly, this statement demonstrates that the International Astronomical Union (IAU) relies on a "nuanced understanding" to define what a planet is, emphasizing the importance of precise criteria in categorizing celestial bodies. The IAU's decision-making process shows that some ideas work, such as establishing clear guidelines for planetary classification, while others don't, like the previous, less accurate definition of a planet.
Secondly, by mentioning the demotion of Pluto, the article highlights the impact of changing scientific perspectives on our understanding of the solar system. This reinforces the idea that knowledge is constantly evolving, and sometimes previously accepted ideas must be reconsidered or discarded to make way for more accurate information.
In summary, lines 25 and 26 contribute to the article's development of key ideas by showcasing the importance of precise criteria and the ever-evolving nature of scientific knowledge. The IAU's decision on Pluto serves as a prime example of these concepts in action.
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HELP ME PLEASE !!! please
Answer:
(0,0) and (60,0)
Step-by-step explanation:
because they are the points on the x-axis
This model represents an equation. (a) Write an equation that could be used to solve x (b) Solve the equation for x. Show your work.
Answer:
elimination method I think so
An airplane can travel 350mph in still air. If it travels 1995
miles with the wind in the same length of time it travels 1505
miles against the wind, what is the speed of the wind?
The speed of the wind is 100 mph.
What is speed?
The speed is defined as the rate at which a particular object covers a certain amount of distance. This speed can be fast or slow. An object covering a great distance in short period of time indicates a high speed and an object covering small distance in a large period of time depicts a slow speed.
Let's call the speed of the wind "w" (in mph).
When the airplane is flying with the wind, its effective speed is the sum of its speed in still air and the speed of the wind:
effective speed with the wind = 350 + w
When the airplane is flying against the wind, its effective speed is the difference between its speed in still air and the speed of the wind:
effective speed against the wind = 350 - w
We know that the airplane travels 1995 miles with the wind in the same length of time it travels 1505 miles against the wind. This means that the two distances are traveled at the same speed, which we can express using the formula:
distance = speed × time
So we can write two equations based on the distances traveled:
1995 = (350 + w) × time
1505 = (350 - w) × time
We want to find the value of "w" that satisfies both equations. We can solve this system of equations by eliminating "time" and solving for "w":
1995/(350 + w) = 1505/(350 - w)
1995(350 - w) = 1505(350 + w)
698250 - 1995w = 527750 + 1505w
349500 = 3500w
w = 100
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Look at this set of 7 numbers. 3275951 by how much would the median decrease if the number 3 were added to the set? Hurry pleaseeeeee
Need help ASAP
Will make you brainlist
Can someone help me graph it and to tell me where to put it?
Answer:
the vertical line (y) has positive and negative numbers, those are your y-intercepts, make a dot on -1 on that line
from the dot that you plotted you have to go down 5 so you will be at -6 and then you will go right 4 times so your coordinate will be (4,-6)
Step-by-step explanation:
Answer the correct answer to this riddle to get brainliest
Goodluck!! (☞゚ヮ゚)☞ ☜(゚ヮ゚☜)
You use me all the time
You bring me everywhere you go
You pay almost all your money just to get me
I am your most prized possession
What am I?
Evaluate the given expression for x=5
x² + 3x - 2
(5)² + 3 × 5- 2
25 + 15 - 2
40 - 2
38...
a water snake in a well is 30 M below the ground level its lights 20 m upward and then slips down 10 M how far it is from the ground level
\( - 30 - + 20 - - 10\)
If the water snake is initially 30 meters below the ground level and then climbs 20 meters upward, it will be 30 - 20 = 10 meters below the ground level. However, if it then slips down 10 meters, it will be 10 + 10 = 20 meters below the ground level.
Micah was given $200 for his birthday. Each week he spends $15 on comic books. In how many weeks will his birthday
money be gone?
Create multiple representations (table, graph, and equation) for the relationship between the weeks since Micah's birthday
and how much money he has left. How does each representation show the solution to the problem?
Answer:
14 weeks
Step-by-step explanation:
Simply divide 200 by 15, then round up because the answer should be a full week:
200 / 15 = 13.3333 ≈ 14 weeks
For an equation, let x be weeks passed and y be money left. Since the money is spent at a constant rate, the equation will have a constant slope, and the y intercept is 200, since at no money spent, Micah has $200:
y = -15x + 200
For a ratio table, it might look something like this:
weeks : money
0 : $200
1 : $185
2 : $160
3 : $145
Answer:
v= -15x + 200 x 213.33 weeks 6= 15x + 200 the answer is 13
Hey, do u want to g mail?
WILL MAKE BRAINLIEST!!! please help:((
1. Describe and correct the error made in writing an equation of the line shown.
Write an algebraic expression. The product of two numbers is 94, and one of the numbers is n. What is the other number?
Answer:
Let say the another number y
N×Y=94
Y=94/N
So the algebric expression is 94/N