Answers
Answer:
I believe the answer is the first one. definitely not the third or fourth. and it should only be exponented by t not 2t because then it'd be double what you should have.
Related Questions
Use the marginal tax rate chart to answer the question. Tax Bracket Marginal Tax Rate $0–$10,275 10% $10,276–$41,175 12% $41,176–$89,075 22% $89,076–$170,050 24% $170,051–$215,950 32% $215,951–$539,900 35% > $539,901 37% Determine the effective tax rate for a taxable income of $180,900. Round the final answer to the nearest hundredth.
19.50%
20.00%
21.11%
32.00%
Answers
For a taxable income of $1,80,900, the effective tax rate is 21.11%.
what is meant by marginal tax?Marginal tax is the tax rate applied to an individual’s last dollar of income. It is the additional tax that must be paid on any additional income earned. In other words, it is the tax rate that applies to an individual’s income after all deductions. For example, if an individual’s income is $50,000 and the marginal tax rate is 25%, then the individual must pay an additional $12,500 in taxes on top of the $25,000 in taxes already paid on their $50,000 income.
Marginal tax rates are progressive, meaning that as an individual’s income increases, the marginal tax rate will increase as well. The marginal tax rate is important to understand because it helps individuals determine how much additional income they will need to earn in order to make up for the taxes they will have to pay on that income. It is also important to understand how marginal tax rates can affect tax planning strategies.
To determine the effective tax rate for a taxable income of $180,900, calculate the sum of the marginal tax rates for each tax bracket that the $180,900 falls into. The taxable income of $180,900 is greater than $89,075 and less than $170,050. The marginal tax rates for these two tax brackets are 22% and 24%, respectively. The sum of the marginal tax rates is 46%. Divide the sum by the taxable income of $180,900 to get the effective tax rate of 21.11%. Round the final answer to the nearest hundredth to get 21.11%.
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rolling down the river
Answers
What are you talking about the Song rolling down the river ?
or a poem by that name or maybe some thing else ?
Explain how to convert 44.0 gallons to liters.
Answers
It is instructed that we change 44.0 gallons to liters. One gallon is one unit of volume. A gallon is equivalent to 3.785 liters.
3.785411784 litres make to one US gallon. 4 quarts, 8 pints, or 128 fluid ounces make up a gallon. In American measurements, a gallon is equivalent to 3.785 litres, 128 fluid ounces, 4 quarts, 8 pints, or 16 cups. A gallon's volume is about equivalent to 3.78541 litres. Thus, a gallon is more than three litres. A gallon of one liquid could weigh differently than a gallon of another. As one imperial gallon is equal to 4.54609 litres, it takes up space that is nearly 4,546 cubic centimetres (roughly a 16.5cm cube). An average glass holds eight ounces. So, 16 eight-ounce glasses of water make up a gallon.
44.0 gallons to 3.785 liters.
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6.) Marissa's class is having a Read-a-Thon. The 34 students in her class have read a total of 817 books. On average, how many books has each student read? (5th grade answer)
Answers
Answer:
24 with a remainder of 1 (or Q.24 R.1)
Explanation:
divide the amount of books by the amount of students.
how many ways can a world series be played if team a wins four games in a row
Answers
The number of ways a team can win the World Series is 56 ways. Therefore, the correct option is B.
A team needs to win 4 games to win the World Series. Let's look at the possible scenarios using combination concept:
1. The series ends in 4 games (4-0): There is only 1 way for this to happen (winning all 4 games).
2. The series ends in 5 games (4-1): There are 4 ways to arrange the wins and losses (e.g., WWLWW, WLWWL, LWWWW, etc.).
3. The series ends in 6 games (4-2): There are 5C2 ways to arrange the wins and losses, which is 10 ways (choosing 2 losses out of 5 games).
4. The series ends in 7 games (4-3): There are 6C3 ways to arrange the wins and losses, which is 20 ways (choosing 3 losses out of 6 games).
Now, add all the ways together: 1 + 4 + 10 + 20 = 35 ways for one team. Since there are two teams, we have to multiply the result by 2: 35 x 2 = 56 ways for a team to win the World Series which corresponds to option B.
Note: The question is incomplete. The complete question probably is: A baseball team wins the World Series if it is the first team in the series to win four games. Thus, a series could range from four to seven games. For example, a team winning the first four games would be the champion. Likewise, a team losing the first three games and winning the last four would be champion. In how many ways can a team win the World Series? a. 5 b. 56 c. 15 d. 94 e. 35.
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A line with a slope of 9 passes through the point (4,16). what is the equation in slope-intercept form?
Answers
Considering the expression of a line, the equation in slope-intercept form is y=9x + 29.
Linear equationA linear equation o line can be expressed in the form y = mx + b
where
x and y are coordinates of a point.m is the slope.b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.Linear equation in this caseIn this case, you know:
Slope m= 9The line passes through the point (4,16)The line has a form of y= 9x + b
The line passes through the point (-3, 2). Replacing in the expression for line:
2= 9×(-3) + b
2= -27 + b
2 + 27= b
29= b
Finally, the equation in slope-intercept form is y=9x + 29.
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the volume v of a cone is increasing at the rate of 28 pi
Answers
The rate of change of volume (dV/dt) of a cone is 28π.
The volume (V) of a cone can be expressed as V = (1/3)πr²h, where r is the radius of the base and h is the height. To find the rate of change of volume with respect to time (dV/dt), we can differentiate the volume equation with respect to time.
dV/dt = (1/3)π(2r)(dr/dt)h + (1/3)πr²(dh/dt)
Given that dV/dt = 28π, we can set up the equation:
28π = (1/3)π(2r)(dr/dt)h + (1/3)πr²(dh/dt)
Simplifying the equation and solving for the unknown values (dr/dt and dh/dt) would require additional information such as the values of r and h and their rates of change.
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Question 6 Next, you select the basic statistics that can help your team better understand the ratings system in your data. Assume the first part of your code is: trimmed_flavors_df %>% You want to use the summarize() and mean() functions to find the mean rating for your data. Add the code chunk that lets you find the mean value for the variable Rating.
Answers
Based on the ratings system and the summarize() and mean() functions, the code chunk to add is summarize(mean(Rating)) and the mean rating is 3.185933.
How do you find the mean rating?To find the mean rating, the complete code should be trimmed_flavors_df %>% summarize(mean(Rating)).
This code would allow you to see the mean rating of your data by combining the summarize() and mean() functions such that you can display summary statistics.
Because of the "mean()" function, the statistic that will be displayed is the mean rating which in this case would be 3.185933.
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Hooke’s Law for an elastic spring states that the distance a spring stretches varies directly as the force applied. If a force of 180 newtons stretches a spring 5 cm, how much will a force of 270 newtons stretch the same spring?
Will give Brainliest :)
Answers
Answer:
7.5m
:) hoped this helped!
Step-by-step explanation:
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
736 in^2
Step-by-step explanation:
A bicycle wheel has a diameter of 26 inches. Isabelle rides the bike so that the wheel makes two complete rotations per second. Which function models the height of a spot on the edge of the wheel?
A. h(t) = 13 sin(2π t) + 13
B. h(t) = 13 sin(4π t)
C. h(t) = 13 sin(4π t) + 13
D. h(t) = 13 sin(2π t)
Answers
Answer:
I can definitely help you with that math problem! Given the information about the bicycle wheel, we need to find the function that models the height of a spot on the edge of the wheel. We know that the wheel has a diameter of 26 inches, which means the radius is half of that, or 13 inches. Isabelle rides the bike so that the wheel makes two complete rotations per second, which means the period of the function is 1/2 second (since it takes half a second for the wheel to complete one rotation).
Using the formula for a sinusoidal function, we can write the function as h(t) = A sin(2π/B (t - h)) + k, where A is the amplitude, B is the period, h is the horizontal shift, and k is the vertical shift. We can determine the values of these parameters as follows:
- Amplitude: The amplitude is half the distance between the highest and lowest points of the function. Since the radius of the wheel is 13 inches, the highest and lowest points are 26 inches apart. Therefore, the amplitude is 13 inches.
- Period: We know that the period is 1/2 second, so B = 2π/1/2 = 4π.
- Horizontal shift: The function starts at its highest point, so there is no horizontal shift. Therefore, h = 0.
- Vertical shift: The center of the wheel is at a height of 13 inches above the ground, so the vertical shift is also 13 inches.
Putting it all together, we get the function h(t) = 13 sin(4πt) + 13, which corresponds to option C. This function models the height of a spot on the edge of the wheel as Isabelle rides the bike. I hope this explanation helps! Let me know if you have any other questions or if there's anything else I can assist you with.
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Evaluate the expression when b=4 and x=-5.
-b+ 3x
Answers
Answer:
-19
Step-by-step explanation:
Since we already have the values of the variables and the equation, all we have to do is plug in the numbers.
-b + 3x
-(4) + 3(-5)
-4 + (-15)
-4 - 15
-19
Answer:
\(\boxed {\boxed {\sf -19}}\)
Step-by-step explanation:
We are asked to evaluate the following expression.
\(-b+3x\)
We know the b is equal to 4, and x is equal to -5.
b=4 x=-5We can substitute the values into the expression.
\(-(4) + 3(-5)\)
Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. Multiply first. We multiply -1 and 4, then 3 and -5.
\([-1 *4] + 3(-5)\)
\(-4+ [3*(-5)]\)
\(-4+-15\)
Add.
\(-19\)
The expression -b+3x is equal to -19 when b equals 4 and x equals -5.
You pay $7.80 for 6 pounds of apples. Find the price per pound
1. $0.77 per pound
2. $1.03 per pound
3. $1.30 per pound
Answers
Answer:
$7.80
Step-by-step explanation:
130*6=7.80
The height of lava fountains spewed from volcanoes cannot be measured directly. Instead, their height in
meters can be found using the equation
where y represents the height, g is 9.8, and t represents the falling time of the lava rocks. Find the height in
meters of a lava rock that falls for 5 seconds.
Answers
The height in meters of a lava rock that falls for 5 seconds will be 122.5 meters.
The missing function is y = 1/2 gt².
What is a function?A function is a remark, tenet, or regulation that establishes a relationship between the two parameters.
The height of lava fountains spewed from volcanoes cannot be measured directly.
Instead, their height in meters can be found using the equation is given as
y = 1/2 gt²
where y represents the height, g is 9.8, and t represents the falling time of the lava rocks.
Then the equation will be
y = 1/2 × 9.8 × t²
y = 4.9t²
Then the height in meters of a lava rock that falls for 5 seconds will be
y = 4.9 x 5²
y = 122.5 meters
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Please help me I on 1-15 it’s past due ty!!❤️
Answers
Answer:
Problem 1 all you need to do is move the decimal place over four times as it says in your text book. Start out by making the decimal point visible by doing this 58,927. right there then move it over four times like this 5,892.7 one 589.27 two 58.927 three 5.8927 four. When they say move it over four places that's what it means. Now you should be able to do the rest on your own. GOOD LUCK!!!
1. 2(x-3) = -2 + 2x
2. -12 + 6x = 6 + 5(x - 2)
3. 17 + 5x = 5(x - 5) + 8
4. 7(1-2x)-3=4-2x
5. 8-8(1 + 3x) = 23 - x
6. -(5x + 6) - x = -6 -6x
please help
Answers
check the working below :)
Find a basis for each of these subspaces of R4:
A. All vectors whose components arc equal. B. All vectors whose components add to zero. C. All vectors that are perpendicular to (1, 1, 0, 0) and (1,0, 1, 1). D. The column space (in R2) and nullspace (in R5) of U =
Answers
A. The basis for the subspace of vectors whose components are equal in R4 is {(1, 1, 1, 1)}.
B. The basis for the subspace of vectors whose components add to zero in R4 is {(1, -1, 0, 0), (1, 0, -1, 0), (1, 0, 0, -1)}.
C. The basis for the subspace of vectors perpendicular to (1, 1, 0, 0) and (1, 0, 1, 1) in R4 is {(1, -1, 1, 0), (-1, 0, 1, -1)}.
D. The basis for the column space of U (in R2) is determined by the non-zero columns of U. The nullspace of U (in R5) is the set of vectors that satisfy the equation Ux = 0, where x is a vector. The basis for the column space and nullspace of U depends on the specific matrix U given in the problem. Without the matrix U, it is not possible to determine the basis for these subspaces.
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which graph represents exponential decay
Answers
Answer:
1
Step-by-step explanation:
Cheyenne interpreted the following function: f(x) =x+4 as the first step before graphing it. She wrote her answers in the table. Find and fix her error
Answers
What is the solution of 3+ x-2/x-3 less than or equal to 0
Answers
Answer:
The solution set consists of all the real numbers smaller than or equal to 11/4:
\(x\leq \frac{11}{4}\)
Step-by-step explanation:
We need to solve for x (that means isolate x on one side of the inequality symbol) in the following inequality:
\(3+\frac{x-2}{x-3} \leq 0\\\frac{x-2}{x-3} \leq -3\\x-2\leq -3\,(x-3)\\x-2\leq -3x+9\\x+3x\leq 9+2\\4x\leq 11\\x\leq \frac{11}{4}\)
can someone help with this thank you so much .
Answers
Answer:
15
Step-by-step explanation:
1.) Eric is twice as tall as Kevin. Kevin is also three feet shorter than Eric.
a. Use mathematical sentences to represent all of the information in this problem.
b. Find each boy's height. HINT: Can you represent both boys with ONE variable?
Answers
If 5 boxes of girl scout cookies cost $20, how many boxes of girl scout cookies can I buy for $36?
Answers
Answer:
9
Step-by-step explanation:
20 / 5 = 4 36 / 4 = 9
What’s the square root of 64
Answers
Answer:
The square root of 64 is 8
8 x 8 = 64
if shoulders bought twice as many footballs as basketballs and the footballs cost $60 and the basketballs cost $30 and he spends $450, then how many footballs did he purchase?
Answers
Using equations, we can find that he purchased 6 footballs.
What are equations?An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values. As in 3x + 5 = 15, for example.
Here in the question,
Let the number of footballs purchased be f.
Let the number of basketballs purchased be b.
Cost of each football = $60.
Cost of each basketball = $30.
Total amount spent = $450
Now,
60f + 30b = 450
Given,
2b = f
⇒ b = f/2
Putting the value of b in the equation,
60f + 30(/2f) = 450
⇒ 60f + 15f = 450
⇒ 75f = 450
⇒ f = 6
Therefore, he purchased 6 footballs.
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How do you write 1.12 × 103 in standard form?
Answers
Answer:
115.36
Step-by-step explanation:
Please help me! I will give brainliest if right
Answers
Need help on this question
Answers
Answer:
x=2
Step-by-step explanation:
9x - 3 = 6x + 3
+ 3 + 3
----------------------
9x = 6x + 6
-6x -6x
----------------------
3x = 6
--- ---
3 3
----------
x=2
Scientists determine an object is moving at the rate of (5- √2 )ft / s . How many seconds will it take the object to travel 125 ft ? Round the answer to the nearest tenth of a second.
Answers
Rounding to the nearest tenth of a second, the time it will take for the object to travel 125 ft is approximately 27.2 seconds.
To determine the time it will take for the object to travel 125 ft given its rate of (5 - √2) ft/s, we can use the formula:
Time = Distance / Rate
Substituting the values:
Time = 125 ft / (5 - √2) ft/s
To simplify this expression, we can rationalize the denominator by multiplying both the numerator and denominator by the conjugate of the denominator, which is (5 + √2):
Time = (125 ft * (5 + √2) ) / ((5 - √2) ft/s * (5 + √2))
Expanding and simplifying:
Time = (625 ft + 125√2 ft) / (25 ft - 2)
Time = (625 ft + 125√2 ft) / 23 ft/s
Dividing the numerator by the denominator:
Time ≈ 27.17 seconds
Rounding to the nearest tenth of a second, the time it will take for the object to travel 125 ft is approximately 27.2 seconds.
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which is true about confidence intervals? group of answer choices both are true. large sample produce small confidence intervals. small samples produce large confidence intervals.
Answers
Both of the following statements are true about confidence intervals: Small samples produce large confidence intervals. Large samples produce small confidence intervals.
Confidence intervals are statistical estimations used in hypothesis testing. They are calculated from a random sample taken from a population, and they help to measure the accuracy and variability of the population parameter being tested.
The confidence interval is calculated by using a sample mean and a margin of error. In general, the larger the sample size, the smaller the margin of error and the narrower the confidence interval. The confidence interval is larger if the sample size is small, indicating that the sample mean is less likely to accurately represent the population parameter.
Small samples will produce larger confidence intervals because of greater uncertainty in the sample estimates. In contrast, larger samples will produce smaller confidence intervals because they provide more accurate estimates of the population parameter.
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