Answers
This problem is relatively simple. Before we begin, it might be beneficial to imagine the graph as a vertical number line. Imagining it this way makes it easy to count the units between them and gives you the answer: [tex]$\boxed{4}$[/tex].
Here's a slightly more advanced way to think about it:
The example question tells us to subtract the distance between the two points. The formula for this is [tex]\sqrt{\big{(}(x_{2}-x_{1})+(y_{2}-y_{1})\big{)}^2[/tex], but for this question, let's say that it is [tex]\sqrt{(y_{2}-y_{1})^2[/tex], or, to simplify it even more, [tex]$|y_{2}-y_{1}|$[/tex]. Now that we know the formula, we can substitute our y-values into the last formula and solve. Let's say that Point C is our first point and Point D is our second.
[tex]\big{|}(-8)-(-4)\big{|} = \big{|}-8+4\big{|} = \big{|}-4\big{|} = \boxed{4}[/tex] , so [tex]$4\text{ units}$[/tex] is our answer.
Disclaimer: Neither of the last two formulas I provided is the actual formula, just a version of the Distance Formula that might be easier to understand. The first formula is the actual thing, but you will encounter this in math later in life, probably around 8th or 9th grade.
Related Questions
Given f(x) = log2 (x+2), complete the table of values for the function -f(x) - 3. Show your work.
Answers
Answer:
-6
Step-by-step explanation:
If we convert the first function to the second form we get f(x) = -log2 (x+2) - 3. If we replace x with 6 we get ( -log2 8 ) -3. -log2 8 is equal to -3. -3 - 3 = -6.
Point A is translated 2 units up and 5 units to the right, where it now overlaps point B(3,-1)
Answers
Point A will have coordinates (-2, -3), which overlaps with the coordinates of Point B (3, -1).
To determine the new coordinates of Point A after the translation, we can start with the coordinates of Point B and apply the inverse translation.
Given that Point B has the coordinates (3, -1), we know that Point A after translation will have the same coordinates. We need to determine the inverse translation that will bring Point B back to its original position, and then apply that inverse translation to Point B.
The inverse translation of moving 2 units up and 5 units to the right is moving 2 units down and 5 units to the left. Therefore, we need to subtract 2 from the y-coordinate and subtract 5 from the x-coordinate of Point B.
Applying this inverse translation to Point B (3, -1), we have:
New x-coordinate of Point A = 3 - 5 = -2
New y-coordinate of Point A = -1 - 2 = -3
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15x + 6 = 10x + 21
x = 3
x = 5
x = 5
x = -5
Answers
-10x -10x
5x + 6 = 21
-6 -6
5x = 15, divide both by 5
x=3
In a health club, research shows that on average, patrons spend an average of 42.5 minutes
on the treadmill, with a standard deviation of 4.8 minutes. It is assumed that this is a normally
distributed variable. Find the probability that randomly selected individual would spent
between 30 and 40 minutes on the treadmill.
0,30
0.70
0.40
Less than 1%
Answers
Answer:
0.30
Step-by-step explanation:
To find the probability that a randomly selected individual would spend between 30 and 40 minutes on the treadmill, we need to calculate the z-scores corresponding to these values and then use the z-table or a statistical calculator to find the probability.
First, we calculate the z-scores using the formula:
z = (x - μ) / σ
where x is the value (in this case, 30 and 40), μ is the mean (42.5), and σ is the standard deviation (4.8).
For x = 30:
z = (30 - 42.5) / 4.8 ≈ -2.604
For x = 40:
z = (40 - 42.5) / 4.8 ≈ -0.521
Next, we look up the probabilities associated with these z-scores in the z-table or use a statistical calculator.
From the z-table or calculator, the probability corresponding to z = -2.604 is approximately 0.0047, and the probability corresponding to z = -0.521 is approximately 0.3015.
To find the probability between 30 and 40 minutes, we subtract the probability associated with z = -2.604 from the probability associated with z = -0.521:
P(30 ≤ x ≤ 40) = P(z = -0.521) - P(z = -2.604)
≈ 0.3015 - 0.0047
≈ 0.2968
Therefore, the probability that a randomly selected individual would spend between 30 and 40 minutes on the treadmill is approximately 0.2968, which is equivalent to 29.68%. Rounding up we will get 0.30.
Hope this helps!
If 15% of the customers total is $98,880, then the sum total equals what
Answers
Answer:
Step-by-step explanation:
Suppose that point P is the point on the unit circle obtained by rotating the initial ray through θ° counterclockwise. What is the length of segment OP?
Answers
The length of segment OP, which represents the distance from the origin to point P on the unit circle, is always equal to 1.
To determine the length of segment OP on the unit circle, we need to use trigonometry. Let's break down the problem step by step:
Definition: The unit circle is a circle with a radius of 1 centered at the origin (0, 0) in the Cartesian coordinate system.
Initial Ray: The initial ray is a line segment that starts from the origin (0, 0) and extends to a point on the unit circle. It forms an angle with the positive x-axis.
Rotation: We are rotating the initial ray counterclockwise by θ degrees. This means we are essentially finding a new point on the unit circle based on the angle θ.
Trigonometric Functions: The trigonometric functions sine (sin) and cosine (cos) are particularly useful for calculating the coordinates of points on the unit circle.
sin(θ) gives the y-coordinate of a point on the unit circle.
cos(θ) gives the x-coordinate of a point on the unit circle.
Coordinates of Point P: Since we are rotating the initial ray counterclockwise by θ degrees, the coordinates of point P on the unit circle can be obtained as follows:
x-coordinate of P: cos(θ)
y-coordinate of P: sin(θ)
Distance from the Origin (Length of Segment OP):
Using the coordinates of point P, we can calculate the distance between the origin (0, 0) and point P using the distance formula.
The distance formula states that for two points (x1, y1) and (x2, y2), the distance between them is given by:
d = √((x2 - x1)² + (y2 - y1)²)
In this case, point P has coordinates (cos(θ), sin(θ)), and the origin is (0, 0). Thus, the distance (length of segment OP) is:
d = √((cos(θ) - 0)² + (sin(θ) - 0)²)
= √(cos²(θ) + sin²(θ))
= √(1) [Using the trigonometric identity: sin²(θ) + cos²(θ) = 1]
= 1
Therefore, the length of segment OP, which represents the distance from the origin to point P on the unit circle, is always equal to 1.
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Stephanie wanted to solve the equation 16=3x+1. Which inverse operations should she use to find the solution?
Answers
Subtraction and Division
Step-by-step explanation:Inverse operations help find the solution to equations.
Defining Inverse Operations
Firstly, let's define an operation. An operation in math is a function that can manipulate a value. Inverse operations are operations that are opposite operations that undo each other. For example, addition and subtraction are inverse operations because subtraction undoes addition. Multiplication and division are also inverse operations.
Solving the Equation
The equation 16 = 3x + 1 involves both addition and multiplication. So, to solve this, we can use the inverse operations of subtraction and division. First, subtract 1 from both sides.
15 = 3xThen, divide both sides by 3.
5 = xThis shows that by using subtraction and division, we can undo the addition and multiplication used in the equation. This allows us to find the value of x.
Which scenarto could be modeled by the graph of the function A) & 10041.002)4
A
An ant colony that has an initial population ef 100 increases by 0.296 per year.
An ant colony that has an Infal population of 100 increases at a constant rate of 0.2 per year.
An ant colony that has an intal population of 100 decreases by 0.2% per year
D
An ant colony that has an Infial population of 100 decreases at a constant rate of 0.2 per year.
Answers
The function A(x) = 100 + 4x describes the scenario of an ant colony that starts with an initial population of 100 and experiences a constant rate of increase of 4 ants per year.
We have,
The function A(x) = 100 + 4x represents a linear relationship between the variable x (representing time in this case) and the variable A(x) (representing the population of the ant colony).
The term 100 in the function represents the initial population of the ant colony.
It indicates that at the starting point (x = 0), the population is 100.
The term 4x in the function represents the rate at which the population increases over time. Since the coefficient of x is positive (4), it indicates that the population is increasing.
For every unit increase in x (in this case, for every year that passes), the population increases by 4.
Therefore,
The function A(x) = 100 + 4x describes the scenario of an ant colony that starts with an initial population of 100 and experiences a constant rate of increase of 4 ants per year.
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let C be the curve y=5sqrtx for 1.1
Answers
We can integrate this S = 2π ∫(1.1 to 4.4) (5√(4x + 25))/(2√x) dx over the given interval (1.1 to 4.4) to find the surface area.
We can evaluate the integral using numerical methods or a calculator to find the final answer.
We have,
To find the surface area of the revolution about the x-axis of the function f(x) = 5√x over the interval (1.1 to 4.4), we can use the formula for the surface area of revolution:
S = ∫(a to b) 2πy√(1 + (f'(x))²) dx
In this case,
f(x) = 5√x, so f'(x) = (d/dx)(5√x) = 5/(2√x).
Let's calculate the surface area:
S = ∫(1.1 to 4.4) 2π(5√x)√(1 + (5/(2√x)²) dx
Simplifying the expression inside the integral:
S = ∫(1.1 to 4.4) x 2π(5√x)√(1 + 25/(4x)) dx
Next, we can integrate this expression over the given interval (1.1 to 4.4) to find the surface area.
To find the surface area of revolution about the x-axis of the function
f(x) = 5√x over the interval (1.1 to 4.4), we need to evaluate the integral:
S = ∫(1.1 to 4.4) 2π(5√x)√(1 + 25/(4x)) dx
Let's calculate the integral:
S = 2π ∫(1.1 to 4.4) (5√x)√(1 + 25/(4x)) dx
To simplify the calculation, let's simplify the expression inside the integral first:
S = 2π ∫(1.1 to 4.4) (5√x)√((4x + 25)/(4x)) dx
Next, we can distribute the square root and simplify further:
S = 2π ∫(1.1 to 4.4) (5√(4x + 25))/(2√x) dx
Thus,
We can integrate this expression over the given interval (1.1 to 4.4) to find the surface area.
We can evaluate the integral using numerical methods or a calculator to find the final answer.
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11 players are going to practice in the batting cage. how many different orders are possible
Answers
Answer:
Step-by-step explanation:
7 students are running for student council. how many different ways can their names be listed on the ballot
Answers
Step-by-step explanation:
7! = 5040 ways
URGENT!! ILL GIVE BRAINLIEST! AND 100 POINTS
PLEASE ANSWER FAST!!!
Answers
A) Two equations are,
S = 18 + 4t
L = 30 + 3t
Where, "t" represents the number of weeks that have passed.
B) It will take 12 weeks for Samuel and Lewis to have the same number of rocks in their collections.
C) when the amount of rocks in their collection is equal, Samuel and Lewis will have 66 rocks each.
Part A:
For a system of equations to represent the number of rocks in each person's collection.
Let "S" be the number of rocks in Samuel's collection and "L" be the number of rocks in Lewis's collection.
Hence, We can represent the situation as follows:
Equation 1:
S = 18 + 4t
Equation 2:
L = 30 + 3t
Where, "t" represents the number of weeks that have passed.
Part B:
To find out how many weeks it will take for Samuel and Lewis to have the same number of rocks in their collections, we need to set Equation 1 equal to Equation 2 and solve for "t".
This gives us the following:
S = L
18 + 4t = 30 + 3t
1t = 12
t = 12 weeks
Hence, It will take 12 weeks for Samuel and Lewis to have the same number of rocks in their collections.
Part C:
For number of rocks Samuel and Lewis will have when the amount of rocks in their collection is equal, we can substitute the value of "t" that we found in Part B into either Equation 1 or Equation 2.
Hence, substituting "t = 12" into Equation 1 gives,
S = 18 + 4(12)
S = 18 + 48
S = 66 rocks
Therefore, when the amount of rocks in their collection is equal, Samuel and Lewis will have 66 rocks each.
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Find the mean of 8, 14, 22, 7, 2, 11, 25, 7, 5, 9
Answers
The mean of the given set of numbers is 11.
To find the mean (average) of a set of numbers, we sum up all the numbers and divide the sum by the total count of numbers.
Given the set of numbers: 8, 14, 22, 7, 2, 11, 25, 7, 5, 9
To find the mean, we add up all the numbers:
8 + 14 + 22 + 7 + 2 + 11 + 25 + 7 + 5 + 9 = 110
Next, we divide the sum by the total count of numbers, which is 10:
110 / 10 = 11
Therefore, the mean of the given set of numbers is 11.
The mean is a measure of central tendency and represents the average value of the data set.
In this case, it indicates that, on average, the numbers in the set tend to cluster around the value of 11.
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∠RQT is a straight angle. What are m∠RQS and m∠TQS?
Answers
Answer:
m∠RQS = 102°
m∠TQS = 78°
Step-by-step explanation:
A straight angle is equal to 180 degrees. We will create an equation to solve for x.
9x° + 3° + 7x° + 1° = 180°
16x° + 4° = 180°
16x° = 176°
x = 11
Next, we will substitute this value into the expressions representing the angles.
m∠RQS = 9x° + 3° = 9(11)° + 3° = 102°
m∠TQS = 7x° + 1° = 7(11)° + 1° = 78°
A rectangular tree lot must have a perimeter of 100 uards and an area of at least 500 square yards. Describe the possible lengths of the tree lot.
Answers
The possible lengths of the tree lot are 25 + 5√5 yards and 25 - 5√5 yards.
Let's denote the length of the rectangular tree lot as "l" and the width as "w".
We know that the perimeter of a rectangle is given by the formula:
Perimeter = 2(l + w)
Given that the perimeter of the tree lot must be 100 yards, we can write the equation as:
2(l + w) = 100
Next, we know that the area of a rectangle is given by the formula:
Area = l × w
Given that the area of the tree lot must be at least 500 square yards, we can write the inequality as:
l × w ≥ 500
Now, let's solve the equations simultaneously to find the possible lengths of the tree lot.
Perimeter equation:
2(l + w) = 100
l + w = 50
w = 50 - l
Area inequality:
l × w ≥ 500
Substituting the value of w from the perimeter equation into the area inequality, we have:
l × (50 - l) ≥ 500
50l - l^2 ≥ 500
l^2 - 50l + 500 ≥ 0
Now, we need to find the values of l that satisfy the inequality. Since the coefficient of the squared term is positive, the graph of this quadratic opens upward. This means that the values of l that satisfy the inequality will be either the entire range of possible values or a portion of it.
To find the possible lengths, we can either factor the quadratic or use the quadratic formula. Let's use the quadratic formula:
l = (-(-50) ± √((-50)^2 - 4(1)(500))) / (2(1))
l = (50 ± √(2500 - 2000)) / 2
l = (50 ± √500) / 2
l = (50 ± 10√5) / 2
l = 25 ± 5√5
Therefore, the possible lengths of the tree lot are 25 + 5√5 yards and 25 - 5√5 yards.
In summary, the possible lengths of the rectangular tree lot are 25 + 5√5 yards and 25 - 5√5 yards, respectively.
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What is an improper fraction for 1 3/4
Answers
Answer:
An improper fraction for 1 3/4 is 7/4.
Step-by-step explanation:
[tex]\frac{7}{4}[/tex]
To find the improper fraction of a mixed number fraction. You first have to remove the whole number from the fraction (the big one bending the fraction)
Do this by multiplying the denominator (4) by the whole number (1)
4 x 1 = 4
Then add this number with the numerator (top number) which is 3.
4+3 = 7
Seven is our new numerator, our denominator stays the same (4)
So our new improper fraction is:
[tex]\frac{7}{4}[/tex]
Which expression represents the total surface area of the prism shown?
Answers
The expression represents the total surface area of the prism is
2 (5 * 7) + 2 (4 * 7) + 2 (4 * 5)
How to solve for the TSA of the prismThe term "TSA" stands for "Total Surface Area" of a prism. The Total Surface Area represents the sum of the areas of all the faces (including the bases) of the prism.
for the rectangular prism, the Total Surface Area can be calculated using the formula:
TSA = 2lw + 2lh + 2wh
where
l = 5
w = 4
h = 7
plugging in the values gives
TSA = 2 (5 * 7) + 2 (4 * 7) + 2 (4 * 5)
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Determine the first five terms of the following generalized Fibonacci sequence. Please enter the five terms in the boxes provided in sequential order. Please simplify your solution.
Answers
The first five terms of the following generalized Fibonacci sequence are -19, 14, -5, 9, 4
Finding the first five terms of the following generalized Fibonacci sequenceFrom the question, we have the following parameters that can be used in our computation:
The generalized Fibonacci sequence
In the sequence, we can see that the last two terms are added to get the new term
Also, we have
a(1) = -19
a(2) = 14
Using the above as a guide, we have the following:
a(3) = -19 + 14 = -5
a(4) = -5 + 14 = 9
a(5) = 9 - 5 = 4
Hence, the first five terms of the following generalized Fibonacci sequence are -19, 14, -5, 9, 4
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Lucy earns 400 a month in salary and she receives a commission of $18 for each applying she sells if last month Lucy earned a total of 886 how many appliances did she sell
Answers
She sold 27 appliances.
Given,
Lucy earns $400 a month in salary and she receives a commission of $18.
Last Month income = $886
Now,
Equation:
Monthly income = Fixed income + income from commission
$886 = $400 + income from commission
Income from commission = $486
Commission for one appliance = $18
So,
Total items sold for the commission of $486,
$486/$18
= 27
Hence total 27 appliances lucy sold.
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Type the correct answer in each box. Use numerals instead of words. If necessary, use / fc
The degree of the function (x) = (x + 1)2(2x-3)(x+2) is
Reset
, and its y-intercept
Next
Answers
Jim is participating in a 6-day cross-country biking challenge. He biked for 59, 52, 66, 45, and 68 miles on the first five days. How many
miles does he need to bike on the last day so that his average (mean) is 59 miles per day?
miles
Answers
Answer:
Jim needs to bike 64 miles on the last day to maintain an average of 59 miles per day.
Step-by-step explanation:
To find out how many miles Jim needs to bike on the last day to maintain an average of 59 miles per day, we can use the concept of averages.
The total distance Jim needs to bike over the 6 days to maintain an average of 59 miles per day can be calculated as follows:
Total distance = Average distance per day × Number of days
Total distance = 59 miles/day × 6 days = 354 miles
Jim has already biked a total of 59 + 52 + 66 + 45 + 68 = 290 miles over the first five days.
To find out how many miles Jim needs to bike on the last day, we subtract the distance he has already biked from the total distance needed:
Distance needed on the last day = Total distance - Distance already biked
Distance needed on the last day = 354 miles - 290 miles = 64 miles
Therefore, Jim needs to bike 64 miles on the last day to maintain an average of 59 miles per day over the 6-day cross-country biking challenge.
A line that passes through the points (–4, 10) and (–1, 5) can be represented by the equation y = - 5/3(x – 2). Which equations also represent this line? Select three options.
y=-5/3x-2
✅y=-5/3x+10/3
✅3y = –5x + 10
3x + 15y = 30
✅5x + 3y = 10
Can someone tell me if I chose the right answers
Answers
Options 2, 3, and 5 are correct representations of the line passing through the given points.
The equation y = -5/3(x - 2) represents a line passing through the points (-4, 10) and (-1, 5).
Let's verify each option:
y = -5/3x - 2: This equation does not represent the same line. The constant term is different (-2 instead of +10/3).
y = -5/3x + 10/3: This equation represents the same line. It has the same slope (-5/3) and the same y-intercept (10/3).
3y = -5x + 10: This equation represents the same line. It can be simplified by dividing both sides by 3, resulting in the same slope (-5/3) and the same y-intercept (10/3).
3x + 15y = 30: This equation does not represent the same line. The coefficients of x and y are different, resulting in a different slope.
5x + 3y = 10: This equation represents the same line. It has the same slope (-5/3) and the same y-intercept (10/3).
Therefore, options 2, 3, and 5 are correct representations of the line passing through the given points.
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factor completely using distributive law -14-(-8)
Answers
Answer: To factor the expression -14 - (-8) completely using the distributive law, we need to simplify it first.
Remember that when we subtract a negative number, it is equivalent to adding the positive number. Therefore, -(-8) is the same as +8.
So the expression becomes:
-14 + 8
To factor it further using the distributive law, we can rewrite the addition as multiplication by distributing the -14 to both terms:
(-14) + (8) = -14 * 1 + (-14) * 8
This can be simplified as:
-14 + 8 = -14 * 1 + (-14) * 8 = -14 + (-112)
Finally, we can add the two negative numbers to get the result:
-14 + (-112) = -126
Therefore, the expression -14 - (-8) factors completely as -126.
The area of the triangle is 360 square millimeters
41 mm on both sides
The height is 40
What is the triangles base, b?
Answers
As per the given triangle, the base of the triangle, b, is 360 millimeters.
We may use the formula for the area of a triangle to determine the triangle's base, or b, given its 360 square millimetres in area, 41 mm for each side, and 40 millimetres in height.
The formula for calculating a triangle's area is:
Area = (base * height) / 2
Given that,
Area = 360 square millimetres
Height = 40 mm
Sides = 41 mm
So, 360 = (b * 40) / 2
720 = b * 2
b = 720 / 2
b = 360
Thus, the base of the triangle is 360 mm.
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What are the minimum and maximum values of the function?
Answers
The minimum value of [tex]f(x) = -2^3 \sqrt\(5-4x+3)[/tex] on the interval [1, 8] is -3 and the maximum value is 5. To find the minimum value, we can start by finding the critical points of the function.
The critical points are the points where the derivative of the function is equal to zero. In this case, the derivative of the function is
[tex]f'(x) = -2^3 \times (5-4x+3) ^(-3/2) \times (-4)[/tex]
The critical points of the function are x = 1 and x = 5.
We can now evaluate the function at each critical point and at the endpoints of the interval to find the minimum and maximum values. The values of the function at the critical points and at the endpoints are
x | f(x)
-- | --
1 | -3
5 | 5
8 | 9
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The distance that a freefalling body falls in each second starting with the first second is given by the arithmetic progression 16, 48,80,112
find the distance, the body falls in the seventh second
Answers
Answer:
208 units
Step-by-step explanation:
The first term is given as 16, which means a = 16.
The second term can be obtained by adding the common difference to the first term: 16 + d = 48.
The third term is obtained by adding the common difference to the second term: 48 + d = 80.
The fourth term is obtained by adding the common difference to the third term: 80 + d = 112.
We can solve these equations to find the value of 'd':
16 + d = 48
d = 48 - 16
d = 32
48 + d = 80
32 + 48 = 80 (valid)
80 + d = 112
32 + 80 = 112 (valid)
Therefore, the common difference is 32.
Now that we have the common difference, we can find the distance the body falls in the seventh second.
The formula for finding the nth term of an arithmetic progression is:
a_n = a + (n - 1) * d
where a_n is the nth term, a is the first term, n is the position of the term, and d is the common difference.
Plugging in the values, we can find the seventh term:
a_7 = 16 + (7 - 1) * 32
a_7 = 16 + 6 * 32
a_7 = 16 + 192
a_7 = 208
Therefore, the distance the body falls in the seventh second is 208 units.
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. You have a credit card with a balance of $754.43 at a 13.6% APR. You have $300.00 available each month to save or pay down your debts. a. How many months will it take to pay off the credit card if you only put half of the available money toward the credit card each month and make the payments at the beginning of the month? b. How many months will it take to pay off the credit card if you put all of the available money toward the credit card each month and make the payments at the beginning of the month? Be sure to include in your response: • the answer to the original question • the mathematical steps for solving the problem demonstrating mathematical reasoning
Answers
a. It will take 7 months to pay off the credit card.
b. it will take 4 months to pay off the credit card.
Since, APR stands for Annual Percentage Rate. It is the interest rate charged on a loan or credit card, expressed as a yearly percentage rate. The APR takes into account not only the interest rate, but also any fees or charges associated with the loan or credit card.
a. If you put half of the available money each month toward the credit card, then you are paying $150.00 per month towards the credit card balance.
We can use the formula for the present value of an annuity to find how many months it will take to pay off the credit card:
PV = PMT × ((1 - (1 + r)⁻ⁿ) / r)
where:
PV is the present value of the debt
PMT is the payment amount per period
r is the monthly interest rate
n is the number of periods
Substituting the values, we get:
754.43 = 150 × ((1 - (1 + 0.011333)⁻ⁿ) / 0.011333)
Simplifying and solving for n, we get:
n = log(1 + (PV ×r / PMT)) / log(1 + r)
n = log(1 + (754.43×0.011333 / 150)) / log(1 + 0.011333)
n = 6.18
Therefore, it will take 7 months to pay off the credit card if you put half of the available money each month toward the credit card.
b. If you put all of the available money each month toward the credit card, then you are paying $300.00 per month towards the credit card balance.
754.43 = 300 ×((1 - (1 + 0.011333)⁻ⁿ) / 0.011333)
Simplifying and solving for n, we get:
n = log(1 + (PV × r / PMT)) / log(1 + r)
n = log(1 + (754.43× 0.011333 / 300)) / log(1 + 0.011333)
n = 3.43
Therefore, it will take 4 months to pay off the credit card if you put all of the available money each month toward the credit card.
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Please help! I need to get this done by midnight
Answers
There are 52 students taking none of the three languages.
There are 14 students taking both Arabic and Bulgarian. Of these, some may also take Chinese. We can find out how many by subtracting the students taking only Arabic or only Bulgarian from the total number of students taking Arabic and Bulgarian (14 + 15 + 19 = 48). So, 48 - 30 - 19 = 15 students are taking both Arabic and Bulgarian, and some of them may also take Chinese.
Next, we can subtract the students taking only Arabic, only Bulgarian, and only Chinese from the total number of students taking each language to find out how many students are taking all three languages.
From the students taking Arabic, we subtract the 15 students taking only Arabic: 30 - 15 = 15 students who may also be taking Bulgarian and Chinese.
From the students taking Bulgarian, we subtract the 19 students taking only Bulgarian: 36 - 19 = 17 students who may be taking Arabic and Chinese.
From the students taking Chinese, we subtract the 19 students taking only Chinese: 35 - 19 = 16 students who may be taking Arabic and Bulgarian.
So, there are 15 + 17 + 16 = 48 students who are taking some combination of the three languages.
Finally, to find out how many students are taking all three languages, we subtract the students taking only two of the languages from the total number of students taking some combination of the three languages (48 - (15 + 19 + 17) = 48 - 51 = -3). This means there are no students taking all three languages.
To find out how many students are taking none of the three languages, we subtract the total number of students taking some combination of the three languages from the total number of students at the school (100 - 48 = 52).
Hence, there are 52 students taking none of the three languages.
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An online real estate website estimates that a fair price for Jerrold’s house would be $715,000. The market is
strong, so he is optimistic and puts the house on the market for $750,000. Two weeks later, the best offer
he’s gotten is $718,000, and so he accepts that offer. At what percent above the website’s estimate did he set
his asking price? At what percent below his asking price did he sell
Answers
Answer:
approximately 4.2667%
Step-by-step explanation:
To calculate the percentage above the website's estimate that Jerrold set his asking price, we can use the following formula:
Percentage above = ((Asking price - Website estimate) / Website estimate) * 100
Percentage above = (($750,000 - $715,000) / $715,000) * 100
Percentage above ≈ 4.895
Therefore, Jerrold set his asking price approximately 4.895% above the website's estimate.
To calculate the percentage below his asking price that Jerrold sold for, we can use the following formula:
Percentage below = ((Selling price - Asking price) / Asking price) * 100
Percentage below = (($718,000 - $750,000) / $750,000) * 100
Percentage below ≈ -4.2667
Therefore, Jerrold sold his house approximately 4.2667% below his asking price.
A water sample shows 0.052 grams of some trace element for every cubic centimeter of water. Robert uses a container in the shape of a right cylinder with a radius of 8.7 cm and a height of 17.3 cm to collect a second sample, filling the container all the way. Assuming the sample contains the same proportion of the trace element, approximately how much trace element has Robert collected? Round your answer to the nearest tenth.
Answers
To calculate the amount of trace element collected by Robert, we need to find the volume of the cylinder-shaped container. Rounded to the nearest tenth, Robert has collected approximately 211.4 grams of the trace element in the second sample.
To calculate the amount of trace element collected by Robert, we need to find the volume of the cylinder-shaped container and then multiply it by the concentration of the trace element.
The volume of a cylinder is given by the formula:
V = π * r^2 * h
where V is the volume, π is approximately 3.14159, r is the radius, and h is the height.
Given:
Radius (r) = 8.7 cm
Height (h) = 17.3 cm
Concentration of trace element = 0.052 grams/cm³
Substituting these values into the volume formula:
V = 3.14159 * (8.7 cm)^2 * 17.3 cm
V ≈ 4068.57196 cm³
Now, we can calculate the amount of trace element collected by multiplying the volume by the concentration:
Amount of trace element = V * concentration
Amount of trace element ≈ 4068.57196 cm³ * 0.052 grams/cm³
Amount of trace element ≈ 211.42941792 grams
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