Answer:
50.23
Step-by-step explanation:
To calculate the difference between the offensive and defensive values, we simply subtract the defensive value from the offensive value:
81.8 - 31.57 = 50.23
The difference between the offensive and defensive values is 50.23.
DIlate by a scale factor of 3
Dilation is a transformation that changes the size of an object while keeping its shape the same.
In this case, the scale factor of 3 tells us that the triangle will be three times larger than the original triangle.
To perform the dilation, you would take each vertex of the triangle and multiply the x-coordinate and y-coordinate by 3. For example, if one vertex of the original triangle had coordinates (x, y), the coordinates of that same vertex in the dilated triangle would be (3x, 3y).
It's also worth noting that the dilation is done with respect to a fixed point called the center of dilation. You can think of this point as the "pivot" around which the dilation occurs.
The center of dilation is typically represented by the letter "O".
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8 15/22 - 3/4 x 2 divided by 12
To solve this expression, we need to apply the order of operations (also known as PEMDAS): 8 15/22 - 3/4 x 2 divided by 12 = 351/44.
What is PEMDAS?
1. First, we need to simplify any expressions inside parentheses, but there are no parentheses in this expression.
2. Next, we need to perform any multiplication or division, working from left to right. So, we need to calculate 3/4 x 2 = 3/2.
3. Then, we can rewrite the expression with the new result: 8 15/22 - 3/2 divided by 12.
4. Next, we need to perform the division, which means we need to divide 3/2 by 12. To do this, we can rewrite 12 as a fraction with a denominator of 2: 12/1 x 1/2 = 6/1. Then, we can simplify 3/2 divided by 6/1 by multiplying by the reciprocal of 6/1: (3/2) x (1/6) = 1/4.
5. Now we can substitute this value back into the expression: 8 15/22 - 1/4.
6. Finally, we need to convert the mixed number 8 15/22 to an improper fraction: 8 x 22/22 + 15/22 = 181/22.
7. Now we can combine like terms: 181/22 - 1/4 = (181 x 4)/(22 x 4) - 1/4 = 724/88 - 22/88 = 702/88.
8. We can simplify the fraction by dividing both the numerator and denominator by the greatest common factor (GCF), which is 2: 702/88 = 351/44.
Therefore, 8 15/22 - 3/4 x 2 divided by 12 is equal to 351/44.
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3. Radioactive tracers are used when imaging the brain. A certain tracer has a
half-life of 5.0 hours.
a. Write the equation of the half-life that models the decay of 20mg.
b. During which hour will the initial amount decay to 5mg?
The original dosage will therefore decrease to 5mg at the eleventh hour (from the time of decay's beginning).
how to solve an equation ?A logical statement that two forms are equal is known as an equation. It comprises of two side, left and right, which are separated by the equals sign (=). It may be necessary to solve one or maybe more unknown variables in an equation in order for it to be true.
As an illustration, the expression 3x + 5 = 14 has one unknown quantity, x. In order to solve for x, we must rewrite the equation using operations that preserve equality, such as deducting 5 both from sides of the equation:
given
We may change A = 5 into the equation above and solve for t to get the time at which there are 5mg left: 5 = 20(1/2)(t/5)
20 divided by both sides:
Using base 2, take the logarithm of both sides:
log2(1/4) = t/5 -2 = t/5
t = -10 after multiplying both sides by 5.
As time cannot be negative, we can infer that after 10 hours, the starting amount will have decreased to 5mg.
The original dosage will therefore decrease to 5mg at the eleventh hour (from the time of decay's beginning).
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What is 80% of Mr Kaisers class turned in their homework assignments there are 30 students in Mr kaisers class
Answer:
24 students turned in there homework assignments.
Step-by-step explanation:
80% = .8
30 x .8 = 24
For function F(x)=-4x+8, evaluate and simplify the different quotient
Thus, the simplification of the given function using difference quotient formula is found as 4.
Explain about the difference quotient formula:The difference quotient is the product of the difference between the function values, f(x + h) - f(x), and indeed the difference between the input values, (x + h) - x, given a function f(x) and two input values, x as well as x + h (where h is indeed the distance between x and x + h).
For the given question:
function F(x) = -4x+8
difference quotient formula:
[f(x + h) -f(x)] / h
Put x = x + h
F(x+ h) = -4(x + h) + 8
F(x+h) = -4x -4h + 8
F(x) = -4x+8
Now,
[f(x + h) -f(x) ]/ h = [-4(x + h) + 8 + 4x - 8]/ h
On simplifying:
[f(x + h) -f(x) ]/ h = 4h/h = 4
Thus, the simplification of the given function using difference quotient formula is found as 4.
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is my answer correct?
yes. use u substitution to get the answer
4. Find the circumference of a circle with a
radius of 4.4 inches. Express your answer in
terms of (Pi)
Step-by-step explanation:
All you would need to do is to use the circumference of a circle equation, C = 2pi(r) or C=pi(d). Since we are given the radius we will use C= 2pi(r).
C=2pi(4.4)
C=8.8pi inches
A set of middle school student heights are normally distributed with a mean of
150
150150 centimeters and a standard deviation of
20
2020 centimeters. Let
�
XX represent the height of a randomly selected student from this set.
Find
�
(
�
<
115
)
P(X<115)P, left parenthesis, X, is less than, 115, right parenthesis.
You may round your answer to two decimal places.
The probability that a randomly selected student from the set has a height less than 115 cm is approximately 0.04, or 4%
What is z-score?A z-score (or standard score) is a measure of how many standard deviations a data point is from the mean of its distribution. It is a way to standardize data and compare observations from different distributions.
According to question:To find the probability that a randomly selected student from the set has a height less than 115 cm, we need to standardize the value using the standard normal distribution.
First, we calculate the z-score:
z = (115 - 150) / 20
= -1.75
Then, we look up the area under the standard normal distribution curve to the left of z = -1.75 using a table or a calculator. The table or calculator gives us the value 0.0401.
Therefore, the probability that a randomly selected student from the set has a height less than 115 cm is approximately 0.04, or 4%, rounded to two decimal places:
P(X < 115) = 0.04
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A set of middle school student heights are normally distributed with a mean of 150150150 centimeters and a standard deviation of 202020 centimeters. Let XXX represent the height of a randomly selected student from this set. Find P(X<115)P(X<115)P, left parenthesis, X, is less than, 115, right parenthesis. You may round your answer to two decimal places.
Use synthetic division to find the quotient and remainder when 0.9x^3 +0.8x is divided by x+0.7
The quotient is 0.9x² + 0.17x - 0.259, and the remainder is 0.181.
Describe Division?Synthetic division is a simplified method of dividing a polynomial by a linear factor of the form (x-a). It is a faster and more efficient method than long division when dividing a polynomial by a linear factor, and is commonly used in algebra and calculus.
To use synthetic division, the coefficients of the polynomial must be written in descending order and any missing terms should be replaced by zero coefficients. The divisor must be a linear factor of the form (x-a), where 'a' is a constant.
Synthetic division can be used to find the quotient and remainder of a polynomial division by a linear factor. It is also used to simplify expressions and solve equations in algebra and calculus.
First, we need to convert the divisor to its opposite sign, so we will be dividing by x - (-0.7) = x + 0.7
The coefficients of the dividend are 0.9, 0.8, 0, 0, so we will set up our synthetic division table as follows:
-0.7 | 0.9 0.8 0 0
| -0.63 -0.259 0.181
|____________________
0.9 0.17 -0.259 0.181
The quotient is 0.9x² + 0.17x - 0.259, and the remainder is 0.181.
Therefore, 0.9x³ + 0.8x = (x + 0.7)(0.9x² + 0.17x - 0.259) + 0.181.
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The quotient is 0.9x² + 0.17x - 0.259, and the remainder is 0.181.
Describe Division?A more straightforward way to divide a polynomial by a linear factor is by synthetic division. (x-a).
The polynomial's coefficients must be written in descending order and any missing terms should be substituted with zero coefficients in order to apply synthetic division. A linear factor of the type (x-a), where "a" is a constant, must be used as the divisor.
To determine the quotient and remainder of a polynomial division by a linear factor, utilise synthetic division. In algebra and calculus, it is also used to resolve equations and simplify statements.
We will divide by in order to first change the divisor to its opposite sign x - (-0.7) = x + 0.7
Since the dividend's coefficients are 0.9, 0.8, 0, 0, we will set up our artificial division table as follows:
-0.7 | 0.9 0.8 0 0
| -0.63 -0.259 0.181
|____________________
0.9 0.17 -0.259 0.181
The quotient is 0.9x² + 0.17x - 0.259, and the remainder is 0.181.
Therefore, 0.9x³ + 0.8x = (x + 0.7)(0.9x² + 0.17x - 0.259) + 0.181.
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What’s an expression equivalent to -4.5-8.1=
Answer:
-12.6
Step-by-step explanation:
-4.5 - 8.1
= -4.5 + -8.1
= -12.6
What is 27500.00 minus .025
Answer:
27499.975
Step-by-Step Reasoning:
1. Start with the given number: 27500.00
2. Subtract .025 from 27500.00
3. 27500.00 - .025 = 27499.975
Answer:
Step-by-step 27500.075
Divide. (EASY! 10 Points)
Answer:
C
Step-by-step explanation:
Find the perimeter of the following polygon. Be sure to include the correct unit in your answer.
17 ft
18 ft
15 ft
9 ft
Answer:
The perimeter of the polygon is 59ft.
Step-by-step explanation:
PERIMETER = Sum of all sides of any polygon.
Let p = Perimeter
p = 18 + 17 + 15 + 9
p = 59ft.
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There are 1,200 freshmen and 1,500 sophomores at a prep rally at noon. After 12 p.m., 20 freshmen arrive at the rally
every five minutes while 15 sophomores leave the rally. Find the ratio of freshmen to sophomores at 1 p.m.
Enter your answer as a fraction.
Answer:
[tex]\frac{61}{66}[/tex]
Step-by-step explanation:
Freshmen:
1200 + 20 = 1220
Sophomores:
12(15) = 180 60/5 = 12
1500 - 180 = 1320
[tex]\frac{1220}{1320}[/tex] = [tex]\frac{61}{66}[/tex] (to simplify divide the numerator and denominator by 20)
Helping in the name of Jesus.
18. The florist charges $31.75 for eight roses and five carnations. For one rose and three
carnations, if costs $5.75. What is the cost for a carnation? (Solving systems of equations applications)
Answer: Let's use the variables "r" and "c" to represent the cost of one rose and one carnation, respectively.
From the first sentence, we know that 8 roses and 5 carnations cost $31.75. So we can write the equation:
8r + 5c = 31.75
From the second sentence, we know that 1 rose and 3 carnations cost $5.75. So we can write the equation:
r + 3c = 5.75
Now we have two equations with two variables. We can use substitution or elimination to solve for "c". Let's use substitution:
r = 5.75 - 3c (from the second equation)
Substitute this expression for "r" into the first equation:
8(5.75 - 3c) + 5c = 31.75
Simplify and solve for "c":
46 - 24c + 5c = 31.75
-19c = -14.25
c = 0.75
Therefore, the cost for a carnation is $0.75.
Step-by-step explanation:
In a particular country, there are 11 200 registered female soccer players and 14 000 registered male soccer players.
In another country, there are 10 400 registered female soccer players and 13 000 registered male soccer players.
Is the ratio of female players to male players the same for both countries?
To determine if the ratio of female players to male players is the same in both countries, we need to calculate the ratios and compare them.
For the first country,
let female players be f1,male players be m1
the ratio of female players to male players is:f1:m1 (i.e f1/m1)
11,200 / 14,000 = 0.8
For the second country,
let female players be f2,male players be m2
the ratio of female players to male players is:f2:m2 (i.e f2/m2)
10,400 / 13,000 = 0.8
As we can see, both ratios are the same, which means that the ratio of female players to male players is the same in both countries. Therefore, we can conclude that there is no significant difference in the gender ratio of soccer players between these two countries.
Answer:
The female-to-male ratios for both countries are the same (0.8), indicating that the ratio of female players to male players is the same for both countries.
Explanation:
To determine whether the ratio of female players to male players is the same for both countries, we need to calculate the ratio of female players to male players for each country and compare them.
Country 1: Female-to-male ratio
= 11,200 / 14,000
= 0.8
Country 2: Female-to-male ratio
= 10,400 / 13,000
= 0.8
(b) The box was made from wood.
Which measure helped the carpenter know how much wood to buy?
Surface area O Volume
(c) The box is to be filled with sand.
Which measure would be used to find the amount of sand the box will
hold?
O Surface area ● Volume
A) The Volume of wooden box is 72 ft³ while the surface area is 124 ft²
B) The measure of Surface area helped the carpenter know how much wood to buy.
C) The measure of Volume will be used to find the amount of sand the box will hold.
What is volume?Vοlume is a measure οf the amοunt οf space οccupied by an οbject οr substance. In mathematics, the vοlume οf a three-dimensiοnal οbject οr space is calculated by measuring the amοunt οf cubic units that the οbject οr space can hοld.
Fοr example, the vοlume οf a cube is calculated by multiplying the length, width, and height οf the cube. The units used tο measure vοlume depend οn the type οf οbject οr substance being measured, but cοmmοnly used units include cubic meters (m), cubic centimeters (cm), and liters (L).
A) Given dimensions: L = 9 ft, B = 4 ft and H = 2 ft
Volume = L × B × H
Volume = 9 × 4 × 2
Volume = 72 ft³
Surface area = 2LB + 2LH + 2HB
Surface area = 2(9 × 4) + 2(9 × 2 ) + 2(4 × 2)
Surface area = 2(9 × 4) + 2(9 × 2 ) + 2(4 × 2)
Surface area = 72 + 36 + 16
Surface area = 124 ft²
B) The measure of Surface area helped the carpenter know how much wood to buy.
C) The measure of Volume will be used to find the amount of sand the box will hold.
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Complete question:
2
A tire is sold at a discount of 10%. It is sold for $45. Find the usual price of the tire.
Answer:
Step-by-step explanation:
50$ (Sorry for the mistake, it’s a little hard for me to give such assignments, if the translator would translate correctly, then there would be no mistake, sorry again)
Answer:
Step-by-step explanation:
A tire is sold at a discount of 10%. It is sold for $45. Find the usual price of the tire.
from the question you understand that $45 is 90% of the original price (100%-10%=90%), so we divide 45 by 90 and multiply by 100 and we find the original price
45 : 90 x 100 =
0.5 x 100 =
50$
----------------------------
50$ - 10% = 45
15
Select the correct answer.
Which of the following statements is correct about quadratic number patterns?
O A.
О в. The third difference is greater than zero.
O C.
The second difference is constant.
The difference between terms is always positive.
O D.
The first difference is constant.
The second difference is constant in quadratic number patterns. The correct option is C
What is Quadratic number patterns?
Quadratic number patterns are sequences of numbers that follow a quadratic or second-degree pattern or rule. This means that the sequence is generated by adding a constant difference between terms, which is itself increasing or decreasing linearly.
A quadratic sequence can be defined by a formula of the form :
an = a + bn + cn^2
Where
"an" is the nth term of the sequence, "a", "b", and "c" are constants, "n" is the position of the term in the sequence (starting with n=1).Therefore, the correct option is C
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In a group of 55 students 35 students like only subject out of english and science , the ratio of students who like both and who do not like both is 1:2. find students who like both subjects ?
Answer:
n(EnS)= 10
Step-by-step explanation:
n(U)= 55
n(EnS)= x
n"(EuS)"= 2x
n(EuS)= 35
We have,
n"(EuS)"= n(U) - n(EuS)
=55-35
=20
n(EnS) /n"(EuS)" = 1/2
x/20 = 1/2
2x=20
x=20/2
x=10
Therefore, n(EnS) = 10
25 Points!!!! ASAP
I want to go to the beach next week and I do not want to drive there."
Write the negation of this statement
Two friends, Pedro and Oliver, took summer jobs. Pedro earned $521.40 in 22 hours. The graph below represents Oliver's earnings in dollars and cents,
�
y, for working
�
x hours.
0
Hours Worked
Earnings (Dollars)
x
y
0
Hours Worked
Earnings (Dollars)
(10,$186)
(20,$372)
Oliver's Earnings
How much more does Pedro earn per hour than Oliver?
Pedro earns $5.1 per hour than Oliver according to the given graph.
What are equations?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved. A statement is not an equation if it has no "equal to" sign. That will be regarded as a phrase.
Given that, Pedro earned $521.40 in 22 hours.
The per hour rate is thus,
521.40 / 22 = 23.7 per hour.
For Olive we have:
372 - 186 / 20- 10 = 186 / 10 = 18.6
The difference between their earnings is:
23.7 - 18.6 = 5.1
Hence, Pedro earns $5.1 per hour than Oliver.
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The complete question is:
Determine whether the pair of functions are inverses functions
the given pairs of functions are inverse of each other.
A function that can reverse into another function is known as an inverse function or anti-function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y. When a function is written as "f" or "F," its inverse is written as "f-1" or "F-1." Here, (-1) should not be confused with an exponent or a reciprocal.
We have two function
f(x) = √(x+4)+9
let y=√(x+4)+9
y-9=√(x+4)
(y-9)²=x+4
x=(y-9)²-4
inverse of f(x) is (x-9)²-4
Now for g(x)= (x-9)²-4
The inverse of g(x)
will be f(x) = √(x+4)+9
Hence the given pairs of function is inverse of each other
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Lines L and m are parallel. Lines L1 and L2 are transversals. What is m<1 if m<4 - 65? Justify your answer.
Answer:
Refers to the attachment given below!Step-by-step explanation:
Which expressions simplify to a rational answer?
ANSWER:
5√2.√2
and √9.√16
just took the test
Any expression that involves only integers and basic Arithmetic operations can simplify to a rational answer, while expressions involving irrational numbers cannot.
There are several expressions that simplify to a rational answer. In mathematics, a rational number is any number that can be expressed as the ratio of two integers, where the denominator is not zero. Therefore, any expression that involves only integers, addition, subtraction, multiplication, and division can simplify to a rational answer.
For example, if you have an expression like (3 + 2)/(4 - 1), this can be simplified to 5/3, which is a rational number. Similarly, expressions like 6/3 or 7 - 2 also simplify to rational answers.
However, expressions that involve irrational numbers such as pi or the square root of 2 cannot simplify to rational answers. For example, the expression sqrt(2) + 3 cannot be simplified to a rational number.
In summary, any expression that involves only integers and basic arithmetic operations can simplify to a rational answer, while expressions involving irrational numbers cannot.
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Assume that chips cost $1 and soda costs $2. If the consumer has $14, the combination of goods that would maximize his utility per dollar leads to a utility equal to ___________ utils.
-72
-84
-77
-9
-99
The combination of goods that would maximize the consumer's Utility per dollar leads to a utility equal to 14 utils.
To determine the combination of goods that would maximize the consumer's utility per dollar, we need to use the concept of marginal utility. Assuming that the consumer has $14 to spend and chips cost $1 while soda costs $2, the consumer could purchase either 14 chips, 7 sodas or a combination of the two.
Let's say the consumer decides to buy x chips and y sodas. The total expenditure would be 1x + 2y, and the total utility would be the sum of the marginal utility of each good multiplied by the quantity purchased.
Assuming the utility function is U(x, y) = x^(1/2) * y^(1/2), the marginal utility of chips would be (1/2)x^(-1/2)*y^(1/2) and the marginal utility of soda would be (1/2)x^(1/2)*y^(-1/2).
The consumer's goal is to maximize the utility per dollar, which is calculated as the total utility divided by the total expenditure. Therefore, the utility per dollar function would be U(x, y)/(1x + 2y).
Using the Lagrange multiplier method, we can find the combination of x and y that maximizes the utility per dollar. The first-order conditions give us the following system of equations:
(1/2)x^(-1/2)*y^(1/2) = λ
(1/2)x^(1/2)*y^(-1/2) = 2λ
x^(1/2)*y^(1/2) = 14
Solving this system of equations, we get x = 4 and y = 49/4. Therefore, the consumer should buy 4 chips and 12.25 sodas, which costs $29.50.
The utility function evaluated at this point is U(4, 49/4) = (4^(1/2))*(49/4)^(1/2) = 14. The utility per dollar function evaluated at this point is U(4, 49/4)/(1(4) + 2(49/4)) = 14/29.50 = 0.4746.
Therefore, the combination of goods that would maximize the consumer's utility per dollar leads to a utility equal to 14 utils.
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triangle fun has vertices located at f(-2,-3), u (4,-2), and n (1,2), find the slope of UN. show your work
[tex]U(\stackrel{x_1}{4}~,~\stackrel{y_1}{-2})\qquad N(\stackrel{x_2}{1}~,~\stackrel{y_2}{2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{2}-\stackrel{y1}{(-2)}}}{\underset{\textit{\large run}} {\underset{x_2}{1}-\underset{x_1}{4}}} \implies \cfrac{2 +2}{-3} \implies \cfrac{ 4 }{ -3 } \implies - \cfrac{4 }{ 3 }[/tex]
Help with math problems
The graph that shows the solution set of 7 ≤ n + 5 include the following: A. graph A.
What is an inequality?In Mathematics and Geometry, an inequality simply refers to a mathematical relation that is typically used for comparing two (2) or more numerical data and variables in an algebraic equation based on any of the inequality symbols;
Greater than (>).Less than (<).Greater than or equal to (≥).Less than or equal to (≤).In this exercise, we would determine the solution set by evaluating the given equation 7 ≤ n + 5 as follows;
7 ≤ n + 5
7 - 5 ≤ n + 5 - 5
2 ≤ n
n ≥ 2
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Another question answer quick
The equation for the volume of the rectangular prism is V = x³ + 2x² - 8x.
What is a rectangular prism?A three-dimensional solid structure called a rectangular prism contains six rectangular faces, each of which is perpendicular to the faces around it. The term "rectangular parallelepiped" is another name for it. Rectangular prisms are frequently employed in geometry because they may be used to represent a variety of real-world objects, including boxes, buildings, and rooms. A rectangular prism's surface area is equal to the total of the areas of its six faces, whereas its volume is determined by the product of its length, breadth, and height.
The volume V of a rectangular prism is given by the formula:
V = lwh
Substituting the values:
V = (x + 4)(x - 2)(x)
= (x² + 2x - 8)(x)
= x³ + 2x² - 8x
Hence, the equation for the volume of the rectangular prism is V = x³ + 2x² - 8x.
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11. Your realized income is $3,167.89/month, and your fixed expenses are $954.32/every 2 weeks. (1 point) If you save 50% of your discretionary monies each month, how much are you saving?
(i have 629.63)/month if anyone could double check
12. You have a credit card with a balance of $2,856.74 at a 14.75% APR. Instead of saving the amount in question #11 in a savings account, you put the amount toward reducing your debt. How much interest do you save in 1 full month? (1 point)
need this, pls help :)
For question 12, if you put the $629.63 toward reducing your credit card debt of $2,856.74 at a 14.75% APR, then you would save in interest in 1 full month is $7.75
what is interest ?
Interest is the cost of borrowing money. It is the amount that a lender charges a borrower for the use of their money or assets. When you borrow money, you typically agree to pay back the amount you borrowed plus interest over a set period of time.
In the given question,
Yes, your calculation is correct. If your realized income is $3,167.89 per month and your fixed expenses are $954.32 every 2 weeks (so $1,908.64 per month), then your monthly discretionary income is:
$3,167.89 - $1,908.64 = $1,259.25
If you save 50% of this discretionary income each month, you would save:
50% x $1,259.25 = $629.63
For question 12, if you put the $629.63 toward reducing your credit card debt of $2,856.74 at a 14.75% APR, then you would save in interest in 1 full month:
$629.63 x (14.75%/12) = $7.75
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