Please help me ASAP. !
Step-by-step explanation:
distance must positive
so, 25-12
=13
3.6= − a/0.8 − 1.6 − 0.8 a −1.6
The value of a for the given expression will be -3.31.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the expression is 3.6= − a/0.8 − 1.6 − 0.8 a −1.6. The value of a will be calculated as below,
3.6 = − a/0.8 − 1.6 − 0.8 a −1.6
3.6 + 1.6 + 1.6 = -a / 0.8 - 0.8a
6.8 = ( -a - 0.64a ) / 0.8
5.44 = -1.64a
a = -3.31
Therefore, the value of a will be -3.31.
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PLEASE HELP ME WITH THISSSSS
Answer:
17/3
Step-by-step explanation:
all you have to do is add 5 and 2 and you get 17 / 3 also divide by 2
2
Let g(x) = x + 4x-7.
What is g(x) in graphing form?
(x + 2) - 7 = 4
O g(x) = (x + 2)²-7
Onone of the answer choices
x² + 4x-7=0
O g(x) = (x + 2)² - 11
The graphing form of the function g(x) is: C) none of the answer choices.
The function g(x) = \(x^2 + 4x - 7\)is already in the standard form of a quadratic equation. In graphing form, a quadratic equation can be represented as y =\(ax^2 + bx + c,\) where a, b, and c are constants.
Comparing the given function g(x) =\(x^2 + 4x - 7\)with the standard form, we can identify the coefficients:
a = 1 (coefficient of x^2)
b = 4 (coefficient of x)
c = -7 (constant term)
Therefore, the graphing form of the function g(x) is:
C) none of the answer choices
None of the given answer choices (A, B, D, or E) accurately represents the graphing form of the function g(x) =\(x^2 + 4x - 7\). The function is already in the correct form, and there is no equivalent transformation provided in the answer choices. The given options either represent different equations or incorrect transformations of the original function.
In graphing form, the equation y = \(x^2 + 4x - 7\) represents a parabolic curve. The coefficient a determines the concavity of the curve, where a positive value (in this case, 1) indicates an upward-opening parabola.
The coefficients b and c affect the position of the vertex and the intercepts of the curve. To graph the function, one can plot points or use techniques such as completing the square or the quadratic formula to find the vertex and intercepts. Option C
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Margaret is going to paint a wall that is 8ft high
According to the question, margaret will be covering 120 square feet with paint.
What is margaret?Margaret is a female given name derived from the Latin margarita, which means “pearl.” It was popularized by the 10th-century Saint Margaret of Scotland, the wife of King Malcolm III. This name has been consistently popular in English-speaking countries throughout the last several centuries and is a common name in many parts of the world. Margaret is also a surname, although it is less common than the given name. The name is often shortened to Maggie, Peggy, Meg, or Margie. Margaret is a name that signifies beauty, wisdom, and strength.
To calculate this, you need to multiply the height (8 feet) by the length (15 feet).
8 x 15 = 120, so 120 square feet will be covered with paint.
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Complete Question
Margaret is going to paint a wall that 'is 8 feet high and 15 feet long. How many square feet will she be covering with paint?
income from operations of $231,000. In addition, it received interest income of $23,100 and received dividend income of $29,700 from another corporation. Finally, it paid $11,000 of interest income to its bondholders and paid $45,000 of dividends to its common stockholders. The firm's federal tax rate is 21%. What is the firm's federal income tax? Do not round intermediate calculations. Round your answer to the nearest dollar.
The firm's federal income tax is $57,168.
To calculate the firm's federal income tax, we need to determine its taxable income first. Taxable income is calculated by subtracting deductions from the firm's total income.
In this case, the firm's total income consists of income from operations, interest income, and dividend income.
Total income:
Income from operations = $231,000
Interest income = $23,100
Dividend income = $29,700
Total income = $231,000 + $23,100 + $29,700 = $283,800
Next, we deduct expenses from the total income. In this case, the only relevant expense is the interest paid to bondholders:
Total expenses = Interest paid to bondholders = $11,000
Taxable income = Total income - Total expenses = $283,800 - $11,000 = $272,800
Now, we can calculate the federal income tax by applying the federal tax rate of 21% to the taxable income:
Federal income tax = Taxable income * Federal tax rate
Federal income tax = $272,800 * 0.21 = $57,168
Therefore, the firm's federal income tax is $57,168.
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Trisha knit a total of 8 centimeters of scarf over 4 nights. How many nights will Trisha have to spend knitting in order to knit a total of 48 centimeters of scarf? Assume the relationship is directly proportional.
Answer: 6
Step-by-step explanation:
You would divide the number by the other number to get the awnser
Answer: 24 nights in total
Step-by-step explanation: 48 divided by 8=6 and so six sets in total and to get the number of days you times 6x4 and you get 24 days in total. Also to check the answer 4 is half of 8 and 24 is half of 48
Please answer this question
Answer:
$40.00 is the answer
Step-by-step explanation:
also can you mark me as a brainlist if you get a chance
Answer: $40.00
Step-by-step explanation:
12 is 30% of 40
After six biology tests, Ruben has a mean score of 79. What score does Ruben need on the next test to raise his average (mean) to 81?
The means score was calculated by adding the results of the tests and dividing it by the number of tests:
\(\bar{X}=\frac{\Sigma x_i}{n}\)→ Σxi represents the sum of the scores of the tests
→ n represents the number of tests
For the average value 79. the scores of 6 tests were added:
\(79=\frac{\Sigma x_i}{6}\)From this expression, calculate the sum of the scores of the 6 tests:
\(\begin{gathered} \Sigma x_i=79\cdot6 \\ \Sigma x_i=474 \end{gathered}\)Next, you have to calculate the score of a seventh test, so that the average score is equal to 81.
The sum of the scores of the test will be equal to the sum of the previous 6 tests plus the score of the seventh test. Let "x" represent the score on the seventh test, then Σxi=474+x will represent the sum of the scores of all tests.
This time the average has to be calculated over 7 tests, so you have to use n=7
The goal average is 81, then you can calculate the score needed as follows:
\(\begin{gathered} \bar{X}=\frac{\Sigma x_i}{n} \\ 81=\frac{474+x}{7} \end{gathered}\)Multiply both sides by 7
\(\begin{gathered} 81\cdot7=474+x \\ 567=474+x \end{gathered}\)Subtract 474
\(\begin{gathered} 567-474=474-474+x \\ 93=x \end{gathered}\)Ruben has to score a 93 in the next test to raise his average to 81.
(2 + 8) : 5 + 3 x 4 – (1 + 5) : 2 =
The simplified form of the expression (2 + 8) : 5 + 3 x 4 – (1 + 5) in the ratio is 10 : 11.
What is a simplification of an expression?Usually, simplification involves proceeding with the pending operations in the expression. Like, 5 + 2 is an expression whose simplified form can be obtained by doing the pending addition, which results in 7 as its simplified form.
Simplification usually involves making the expression simple and easy to use later.
The given expression is
(2 + 8) : 5 + 3 x 4 – (1 + 5) : 2 =
10 : 5 + 12 - 6
10 : 11
The simplified form of the expression in the ratio is 10 : 11.
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The four members of a singing quartet are buying new outfits. The shirts are $21, the pants are $26, the hats are $6 and the canes
are $13. What is the total cost of the new outfits for all the members?
O $264
O $284
O $244
O $224
The total cost of the new outfits for all the members is $264. So, the correct answer is option A.
What is total?A total is a whole or complete amount, and "to total" is to add numbers or to destroy something. In math, you total numbers by adding them: the result is the total.
Given that, the shirts are $21, the pants are $26, the hats are $6 and the canes are $13.
Here, the cost of outfits for a person is
(21+26+6+13)=66
The cost of outfits for the four members is
66×4=$264
Therefore, option A is the correct answer.
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How much time has passed? 8:45 to 12:30
8:45 → 9:00 (15 minutes)
9:00 → 12:00 (3 hours)
12:00 → 12:30 (30 minutes)
3 hours + 15 minutes + 30 minutes =
= 3 hours 45 minutesAnswer: 5:55 thats the anwers
Step-by-step explanation:
Which is the correct answers? (more than one)
Note: (if you give me a silly or absurd answer I will report you)
B True because both graphs approaches x=0 but never touches it
E True if you just graph it out you can see that graph of g is going down and the graph of x is going up
A false because neither of the equations have a y intercept they have asymptote of x=0
C false because it is also a reflection across the x axis
D incorrect is because they both have domain {0<x<♾}
Hope this helped!
if you answer all of these you will get a fat brainless. :) pls help
Answer:
1st box- the 3rd option(3215)
2nd box- 3rd option(the one with 5 sides)
3rd box- add 4 and 10
5th box-
700x35= 24,500
900x42= 37,800
6th box-
-\(\frac{5}{6}\)
-\(\frac{7}{10}\)
7th box-
-divide
-add
-multiply
-subtract
8th box-
6.03$, 6 dollars and 3 cents
9th box- 18 f's
10th box-
1/12, 1/8,1/4,1/3,1/2
Step-by-step explanation:
all i can do rn, sorry.
This year you earned $75,500. Last year you earned $72,400. What was the rate of change on your earnings since last year
Answer:
4.28%
Step-by-step explanation:
We Know
Last year you earned $72,400
This year you earned $75,500
What was the rate of change in your earnings since last year?
We Take
(75,500 ÷ 72,400) x 100 ≈ 104.28%
Then We Take
104.28 - 100 = 4.28%
So, the earning increased by about 4.28%.
Computer games in which the players take the roles of characters are very popular. They go back to earlier tabletop games such as "Dungeons & Dragons." These games use many different types of dice. A four‑sided die has faces with one of the numbers 1,2,31,2,3 , or 44 appearing at the bottom of each visible face. In this case the sample space is ????={2,3,4,5,6,7,8}S={2,3,4,5,6,7,8} .
Suppose the strength of a character in a game is determined by rolling a four‑sided die twice and adding 22 to the sum of the numbers. Give a probability model (sample space and probabilities of outcomes) for the character’s strength.
(a) What is the sample space of the character's strength of a character?
????={1,2,3,4,5,6,7,8,9}S={1,2,3,4,5,6,7,8,9}
????={4,5,6,7,8,9,10}S={4,5,6,7,8,9,10}
????={3,5,7,9}S={3,5,7,9}
????={2,3,4,5,6,7,8}S={2,3,4,5,6,7,8}
(b) In this probability model, what is the P(strength of a character = 4)P(strength of a character = 4) ? (Enter your answer rounded to four decimal places.)
P(strength of a character=4):P(strength of a character=4):
In this probability model, what is the P(strength of a character = 9)P(strength of a character = 9) ? (Enter your answer rounded to four decimal places.)
P(strength of a character=9):P(strength of a character=9):
In this probability model, what is the P(strength of a character = 13 )P(strength of a character = 13 ) ? (Enter your answer rounded to four decimal places.)
P(strength of a character=13):P(strength of a character=13):
The sample space of the character's strength is {3,4,5,6,7,8,9,10,11}. P(strength of a character = 4) = 1/9, P(strength of a character = 9) = 2/9, P(strength of a character = 13) = 1/9.
The sample space for the character's strength is {4,5,6,7,8,9,10,11}.
(a) The probability model for the character's strength is as follows:
P(strength of a character = 4) = 1/16
P(strength of a character = 5) = 2/16
P(strength of a character = 6) = 3/16
P(strength of a character = 7) = 4/16
P(strength of a character = 8) = 3/16
P(strength of a character = 9) = 2/16
P(strength of a character = 10) = 1/16
(b) P(strength of a character = 4) = 1/16
P(strength of a character = 9) = 2/16 = 1/8
P(strength of a character = 13) = 4/16 = 1/4
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In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Isabella sets up a website where players can buy and sell these costumes online. Information about the number of people who visited the website and the number of costumes purchased in a single day is listed below.
105 visitors purchased no costume.
41 visitors purchased exactly one costume.
8 visitors purchased more than one costume.
Based on these results, express the probability that the next person will purchase one or more costumes as a decimal to the nearest hundredth.
The probability that the next person will purchase one or more costumes can be found by dividing the number of visitors who purchased one or more costumes by the total number of visitors.
The total number of visitors is 105 + 41 + 8 = 154.
The number of visitors who purchased one or more costumes is 41 + 8 = 49.
So the probability that the next person will purchase one or more costumes is 49/154, which is approximately 0.32 to the nearest hundredth.
What is the slope of the line in the graph?
ch
4
3
2+
-54 -3 -1
1 2 3 3 4
4 5
X
-2
-3
4
-5
Answer:
I dont understand what your saying???
Step-by-step explanation:
The slope of the line in the graph is,
⇒ m = 1
What is Equation of line?The equation of line in point-slope form passing through the points (x₁ , y₁) and (x₂, y₂) with slope m is,
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
Two points on the line are (- 1, 0) and (0, 1).
Now,
Since, The equation of line passes through the points (- 1, 0) and (0, 1).
So, We need to find the slope of the line.
Hence, Slope of the line is,
m = (y₂ - y₁) / (x₂ - x₁)
m = (1 - 0) / (0 - (-1))
m = 1 / 1
m = 1
Thus, The slope of the line in the graph is,
⇒ m = 1
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Combined, Tanya and Sanjay have 40 pens. If Tanya has four times as many pens as Sanjay, how many pens does Sanjay have?
Answer:Sanjay has 8
Step-by-step explanation: Because 8x4 equals 32 so thats how much tanya has a 32+8 equals 40. This is what I did I knew 10x4 is 40 so that couldn't be it so then I tried 8 because nine x four is 36 which would be to high so I tried 8 and it was perfect hope this helps.
If Combined, Tanya and Sanjay have 40 pens. If Tanya has four times as many pens as Sanjay, then Sanjay have 8 pens.
What is Equation?Two or more expressions with an equal signs is called as Equation.
Given that Tanya and Sanjay have 40 pens. If Tanya has four times as many pens as Sanjay, We need to find how many pens sanjay has.
Let sanjay has x number of pens.
Tanya has four times as many pens as Sanjay
So 4 times means four multiple of sanjay pens.
Tanya has four times as many pens as Sanjay can be write as 4x.
Combined of tanya and sanjay has 40 pens.
Combined means adding.
x+4x=40
Add the like terms
5x=40
Divide both sides by 5.
x=8
So Sanjay has eight pens and Tanya has 4(8)=32 pens.
Hence Sanjay have eight pens.
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Out of 20 people how many would you expect to say that they like all seasons
Answer:
None
Step-by-step explanation:
Truly, I'm not sure what type of problem this is, but most people don't favor all the seasons. If there is more to the problem, I would be glad to help further.
Answer:
One possible way to estimate how many people out of 20 would say that they like all seasons is to use a simple random sample. A simple random sample is a subset of a population that is selected in such a way that every member of the population has an equal chance of being included. For example, one could use a random number generator to assign a number from 1 to 20 to each person in the population, and then select the first 20 numbers that appear. The sample would then consist of the people who have those numbers.
Using a simple random sample, one could ask each person in the sample whether they like all seasons or not, and then calculate the proportion of positive responses. This proportion is an estimate of the true proportion of people in the population who like all seasons. However, this estimate is not exact, and it may vary depending on the sample that is selected. To measure the uncertainty of the estimate, one could use a confidence interval. A confidence interval is a range of values that is likely to contain the true proportion with a certain level of confidence. For example, a 95% confidence interval means that if the sampling procedure was repeated many times, 95% of the intervals would contain the true proportion.
One way to construct a confidence interval for a proportion is to use the formula:
p ± z * sqrt(p * (1 - p) / n)
where p is the sample proportion, z is a critical value that depends on the level of confidence, and n is the sample size. For a 95% confidence interval, z is approximately 1.96. For example, if out of 20 people in the sample, 12 said that they like all seasons, then the sample proportion is 0.6, and the confidence interval is:
0.6 ± 1.96 * sqrt(0.6 * (1 - 0.6) / 20)
which simplifies to:
0.6 ± 0.22
or:
(0.38, 0.82)
This means that we are 95% confident that the true proportion of people who like all seasons in the population is between 0.38 and 0.82. Therefore, based on this sample and this confidence interval, we would expect between 8 and 16 people out of 20 to say that they like all seasons in the population.
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Every Sunday, Tamika sells pieces of homemade fudge at a local carnival. Each piece of fudge weighs 34 pound. Next Sunday, Tamika plans on
bringing 712 pounds of homemade fudge to sell.
How many pieces of fudge will Tamika be able to sell at the carnival next Sunday?
Answer:
hshshshshshshshsiqkZjfdudiodjfhfbbxdudijdd
What is the total amount of outcomes possible when a coin is tossed four times and a card if selected from a standard deck of cards.
Answer:
About 60 pecent
Step-by-step explanation:
Answer: 832 possible outcomes
To find the total number of outcomes when a coin is tossed four times and a card is selected from a standard deck of cards, we need to multiply the number of outcomes for each event.
The number of outcomes for a coin toss is 2 (heads or tails), and we toss the coin 4 times. Therefore, the number of outcomes for the coin tosses is:
2 x 2 x 2 x 2 = 16
The number of outcomes when selecting a card from a standard deck of cards is 52. Therefore, the total number of outcomes when a coin is tossed four times and a card is selected from a standard deck of cards is:
16 x 52 = 832
So there are 832 possible outcomes when a coin is tossed four times and a card is selected from a standard deck of cards.
help me with his please :(
Steve says to find the difference in temperature between 7 AM and
12 PM Wednesday, he can use a number line. He says because one
temperature is negative and the other is positive, he can add together their
distances from 0.
Kelly says that she can find the change by subtracting -5.1 from the temperature
at 12 PM on Wednesday.
Who is correct? Use the drop-down menus to explain your reasoning and find the
change in temperature.
and the distance from 0 to the Wednesday 12 PM temperature is 2.5
Steve is correct. Steve can find the difference in temperature between 7 AM and 12 PM on Wednesday by adding the distances from 0.
By using a number line, Steve can find the difference in temperature between 7 AM and 12 PM on Wednesday by adding the distances from 0. One temperature is negative and the other is positive, but by adding their distances, he can find the difference. Kelly's method of subtracting -5.1 from the temperature at 12 PM on Wednesday is not necessarily incorrect, but it does not give the exact difference in temperature between the two times. Therefore, using Steve's method, the change in temperature would be the sum of the distance from 0 to the temperature at 7 AM (which is 2.5) and the distance from 0 to the temperature at 12 PM (which is also 2.5), resulting in a difference of 5 degrees.
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4. I drove 4320 miles in 18 hours. How fast was driving?
Answer:
240miles/hour
Step-by-step explanation:
Kaitlyn spent 2 1/8 at danee class. She spent 3/4 of that time practicing ballet. How much time did she spend on ballet
Answer:
Step-by-step explanation:
Oh yaaa
usuejeieuIeie
ueheueu
What are the points of the image of the line in Q4 after the dilation?
Note that the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4). (Option B)
How is this so ?To rotate a point 90 degrees clockwise about a given point,we can follow these steps -
Translate the coordinates of the given point so that the center of rotation is at the origin. In this case,we subtract the coordinates of the center (0,1) from the coordinates of point A (5,4) to get (-5, 3).
Perform the rotation by swapping the x and y coordinates and changing the sign of the new x coordinate. In this case,we swap the x and y coordinates of (-5, 3) to get (3, -5).
Translate the coordinates back to their original position by adding the coordinates of the center (0,1) to the result from step 2. In this case, we add (0,1) to (3, -5) to get (3, -4).
Therefore, the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4).
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Circle C and Circle D are congruent.
O True
O False
True or false?!
In 2-3, graph the system of equations to find the solution to the system. Then, use the check step to prove that the solution works in both equations. Show all work
The system of equations has an infinite number of solutions.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example:
2x + 4 = 8 is an equation.
We have,
3x + 2y = 6 ____(1)
6x + 4y = 12 _____(2)
Applying the substitution method.
3x + 2y = 6
x = (6 - 2y)/3 in (2)
6 (6 - 2y)/3 + 4y = 12
2 (6 - 2y) + 4y = 12
12 - 4y + 4y = 12
12 = 12
This means,
It has an infinite number of solutions.
Thus,
An infinite number of solutions.
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The complete question is:
Graph the system of equations
3x + 2y = 6
6x + 4y = 12
and find the solution to the system.
The number line below shows information
about a variable, m.
Select all of the following values that m
could take:
-2, 4, -3.5, 0, -5, -7
-5 -4 -3 -2 -1 0 1 2 3 4 5
m
From the given number line, the variable "m" could take the values of -2, -3.5, 0, and -5
To determine which values the variable "m" could take from the given number line, we need to identify the points or intervals on the number line that correspond to the possible values of "m".
Looking at the number line, we can see the following values:
-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5
From this list, the values that "m" could take are:
-2, -3.5, 0, -5
These values are present on the number line, indicating that they are possible values for "m".
Therefore, the variable "m" could take the values -2, -3.5, 0, and -5 from the given number line.
It's important to note that the values -7 and 4 are not present on the number line, so they are not possible values for "m" based on the information provided.
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