Answer:
The number of times the tire will have to turn in travelling the length of the street is 30.9 times.
To determine the number of times the tire will have to turn in travelling the length of the street, we will first calculate the circumference of the tire.
Since the tire is circular, the circumference of the tire can be calculated from the formula for calculating the circumference of a circle.
The circumference of a circle is given by
C = πd
Where C is the circumference and d is the diameter
From the question d = 1.7m and π = 3.14
∴ C = 3.14 × 1.7
C = 5.338 m
Therefore, the circumference of the tire is 5.338 m
Now, for the number of times the tire will have to turn in travelling the length of the street, we will divide the length of the street by the circumference of the tire.
Number of times the tire will have to turn = Length of the street ÷ Circumference of the tire
Number of times the tire will have to turn = 165 m ÷ 5.338 m
Number of times the tire will have to turn = 30.91045 times
Number of times the tire will have to turn ≅ 30.9 times
Hence, the number of times the tire will have to turn in travelling the length of the street is 30.9 times
The triangles below are similar. Find the length of x.
Answer:
D
Step-by-step explanation:
If the triangles are similar, their side ratios are equal
[tex] \frac{54}{12} = \frac{x}{15} [/tex]
Cross-multiply to find x:
[tex]x = \frac{54 \times 15}{12} = 67.5[/tex]
Find the area of a circle with diameter = 16 units.
Answer: ;)
The area of a circle is 64 square units
Step-by-step explanation:
Area of a circle a=64 square units in terms of
Step-by-step explanation:
Given that the diameter of a circle is 16
That is d=16
Therefore radius r=8
Now to find the area of a circle :Area of a circle square units
Substitute r=8 we get
Area of a circle
Therefore the area of a cicle is 64 square units
Area of a circle a=64 square units in terms of
I need help with this please
From the calculation that we have in the question, the volume of the rectangular prism is 30 cm^3.
How do you find the volume of a rectangular prism?A rectangular prism, also known as a rectangular parallelepiped, is a three-dimensional shape that has six rectangular faces, where each pair of opposite faces are congruent and parallel. It can be thought of as a stretched cube, where the length, width, and height are all different.
We have that the volume of the rectangular prism is
V = lbh
V = 2 * 3 * 5
V = 30 cm^3
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Find the surface area of each of the following right prisms using the formula SA=LA+2B
Let f (x) = x²e² the value of = lim [ƒ (x)]* i 1-lim is: 4x-
a)
b) 1
c) 0
d) 1 4e
Answer:
d) 1/(4e)
Step-by-step explanation:
You want the value of the limit of 1/4f(x)^(1/x) as x approaches -1, where f(x) = x^2·e^(x^2).
LimitThe function is continuous and defined at x=-1, so the limit can be evaluated directly.
[tex]\lim=\dfrac{1}{4}((-1)^2\cdot e^{(-1)^2})^{(1/-1)}=\dfrac{1}{4}(1\cdot e^1)^{-1}=\boxed{\dfrac{1}{4e}}[/tex]
When 3x^2+18x–21=0 is written in the form (x–p)^2=q, what is the value of q?
The value of q is 16.
What is a quadratic equation?
Any equation can be written in the standard form where x is an unknown value, a, b, and c are known quantities, and a 0 is a quadratic equation. An equation containing a single variable of degree 2.
Here, we have
Given: Equation: 3x²+18x–21 = 0 is written in the form (x–p)²=q.
We have to find the value of q.
3x²+18x–21 = 0
3(x²+6x-7) = 0
x²+6x-7 = 0
(x+3)²-7-9 = 0
(x+3)² - 16 = 0
(x+3)² = 16
(x-p)² = q
Hence, the value of q is 16.
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Jenny made $144 for 9 hours of work.
At the same rate, how much would she make for 12 hours of work?
Answer:
Step-by-step explanation:
the answer is 192
9hrs=$144
12hrs=X
you cross multiple
12x144/9
which give you $192
Answer:
Jenny made $144 for 9 hours of work so you divide 144 by 9 and you get 16.
$16 is the amount of money that Jenny makes in an hour. To check if it's correct you multiply 16 by 9 and you should get 144.
So, since the question wants you to find how much she makes for 12 hours of work, you multiply 16 times 12 and you should get 192.
In conclusion, Jenny makes $192 for 12 hours of work.
Please help me solve this differential equation problem. Please show as many steps as you can.
(b) u₁e^λ₁t +u₂e^λ₂t (pI-A)⁻¹ f₀e^pt f for p ≠λ₁ orλ₂ as the coefficients can only be determined when the value of p is not equal to either of the eigenvalues λ₁ or λ₂.
What is eigen values?Eigenvalues are scalars associated with a linear transformation or a matrix. They can be used to determine the stability of the system and describe the behavior of the transformation.
In this case, the eigen values λ₁ and λ₂ are constants, and the solution to the differential equation y' + Ay = f₀e^pt can be solved by using the method of undetermined coefficients.
This method involves using a linear combination of the eigenvectors, which are associated with the eigenvalues λ₁ and λ₂.
The solution for this differential equation is then given by u₁e^λ₁t +u₂e^λ₂t (pI-A)⁻¹ f₀e^pt f for p ≠ λ₁ or λ₂.
This is because the coefficients can only be determined when the value of p is not equal to either of the eigenvalues λ₁ or λ₂. If p is equal to one of these eigenvalues, then the solution cannot be determined as the coefficients become indeterminate.
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A student purchased a used car for $15,200. The value of the car depreciates exponentially at
a rate of 5.8% per year. What is the value of the car after 4 years? Show your work or
explain how you determined your answer.
(2 points)
15,1
15.8%.
As a result, after fοur years οf depreciatiοn, the car is wοrth abοut $12,914.96.
Hοw dο I determine depreciatiοn?Subtract the asset's cοst frοm its scrap value (what yοu anticipate it tο be wοrth just at end οf the useful life) tο determine depreciatiοn using the straight-line technique. The quantity that can be depreciated, οr the depreciable basis, is the οutcοme. Take this amοunt and deduct it frοm the lifespan οf the asset, which is expressed in years.
This fοrmula fοr expοnentially decaying can be used tο determine the value οf a vehicle after fοur years οf depreciatiοn:
[tex]A = P * e^{(-rt)} (-rt)[/tex]
where A represents a finaI vaIue, P represents its initiaI price, r represents the yearIy depreciatiοn rate in decimaI fοrm, and t is the periοd οf time.
Inputting the specified vaIues resuIts in:
P = $15,200 (the οriginaI vaIue) (the initiaI vaIue)
Given that the annuaI depreciatiοn rate is 5.8%, r is equaI tο 0.058.
t = 4 (because we want tο find the vaIue after 4 years)
When we enter these vaIues, we οbtain:
[tex]A = $15,200 * e^{(-0.058 * 4)}[/tex]
Hence, When we condense an expression, we get:
[tex]A = $15,200 * e^{(-0.232)} (-0.232)[/tex]
A = $12,914.96
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Precision Aviation had a profit margin of 8.50%, a total assets turnover of 1.5, and an equity multiplier of 1.8. What was the firm's ROE?
Answer:
Step-by-step explanation:
We can use the DuPont model to calculate the ROE (Return on Equity):
ROE = Profit margin * Total assets turnover * Equity multiplier
Substituting the given values, we get:
ROE = 0.085 * 1.5 * 1.8 = 0.2295 or 22.95%
Therefore, Precision Aviation's ROE was 22.95%.
The function c(t) = 54 (1.12) models the cost in dollars, c, of 1 ounce of insulin, the input, t,
represents the number of years since 2010.
a. Does the cost of insulin increase or decrease over time, and by what percentage per year
does it do so?
b.
How much does an ounce of insulin cost in 2018? Show your reasoning.
How much would an ounce of insulin have cost in 2006? Show your reasoning.
Therefore, we cannot calculate the cost of an ounce of insulin in 2006 using this function. (a). the cost of insulin increases by 12% per year.
(b).Therefore, an ounce of insulin would have cost approximately $114.08 in 2018.
(c).Therefore, the cost of insulin increases by 12% per year.
What is function?
a function is a relationship between two sets of objects, where each object in the first set (called the domain) is associated with exactly one object in the second set (called the range). The domain and range can be any set, including numbers, geometric shapes, or other mathematical objects.
A function is typically represented by a rule or formula that describes how to map each element in the domain to an element in the range. For example, the function f(x) = 2x maps each value of x to its double, so that f(1) = 2, f(2) = 4, f(3) = 6, and so on.
The cost of insulin increases over time because the value of 1.12 is greater than 1, meaning the function's output grows with increasing t. To find the percentage increase per year, we can calculate the difference in cost between two consecutive years and divide it by the cost of the earlier year. For example, to find the percentage increase between 2010 and 2011:
[tex]c(1) - c(0) = 54(1.12) - 54 = 6.48[/tex]
Percentage increase = (6.48/54) x 100% = 12%
Therefore, the cost of insulin increases by 12% per year.
b. To find the cost of an ounce of insulin in 2018, we need to find the value of t for that year. Since t represents the number of years since 2010, we can subtract 2010 from 2018 to get:
[tex]t = 2018 - 2010 = 8[/tex]
[tex]c(8) = 54(1.12)^8 =$114.08[/tex]
Therefore, an ounce of insulin would have cost approximately $114.08 in 2018.
c. To find the cost of an ounce of insulin in 2006, we need to find the value of t for that year. Since t represents the number of years since 2010, we can subtract 2010 from 2006 to get:
[tex]t = 2006 - 2010 = -4[/tex]
However, a negative value of t is not meaningful in this context because the function assumes t represents the number of years since 2010. Therefore, we cannot calculate the cost of an ounce of insulin in 2006 using this function.
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Find 4/5 of twelve times a
third of sixty-nine
Answer:
220.8
Step-by-step explanation:
4/5 × (12 × 1/3) × 69
4/5 × (4) × 69
3.2 × 69
= 220.8
Kyra and some friends go to a climbing gym. She records how high each person climbed.
Answer:
what type of a question is this man can send me the full question so i can answer to you??
Answer: 12 1/2
Step-by-step explanation:
thats the answer
a tourist bought a statue at a discount of 20% with 13% VAT and got Rs 416 back for VAT airport, what was the labeled price of the statue ?
Let the labeled price be 100x
20% discount, sale price = 80x
13% of 80x = 13x*4/5= 52x/5 = 10.4x
10.4x = 416
100x = ?
100/10.4 X416 = 41600/10.4 = Rs 4, 000 ANSWER
his annual salary is $91 520 and he has $7300 in allowable tax deductions.
What is his taxable income?
Taxable income = $
Answer:
$84,220
Step-by-step explanation:
To calculate the taxable income, we need to subtract the allowable tax deductions from the annual salary:
Taxable income = Annual salary - Allowable tax deductions
Taxable income = $91,520 - $7,300
Taxable income = $84,220
Therefore, his taxable income is $84,220.
4 (7x +5)
Please show me how to work this out
Answer:
28x + 20
Step-by-step explanation:
you just need to distribute
4(7x + 5)
you multiply 4 X 7x which would give you 28 and because 7 has a variable and 4 doesn't have a variable the x stays there so it would be 28x.
45, you need to multiply 4 x 5 which would give you 20, and because neither 4 or 5 have a variable it will stay 20
So now you just 28x with 20
28x + 20.
Just 11 and 13 it’s simplifying linear Expressions
Based on the given task content; the solution to the linear expressions 4(2b + 2) - 3 and -4 + 8p - 6p - 5 + 20p is 8b + 5 and -9 + 22p respectively.
How to simplify linear expressions?11. 4(2b + 2) - 3
open parenthesis
= 8b + 8 - 3
= 8b + 5
12. -4 + 8p - 6p - 5 + 20p
combine like terms
-4 - 5 + 8p - 6p + 20p
= -9 + 22p
In conclusion, 8b + 5 and -9 + 22p is the solution to the linear expressions 4(2b + 2) - 3 and -4 + 8p - 6p - 5 + 20p respectively.
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Can you solve this quesiton?
f'(x)=?
By simplifying the derivative of f(x) is:,[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^ 2 (x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2 )[/tex]
What is derivative?A derivative is a mathematical cοncept that represents the rate at which a functiοn changes with respect tο οne οf its variables. In οther wοrds, the derivative measures hοw much the οutput οf a functiοn changes when yοu change the input by a small amοunt.
Tο find the derivative οf f(x), we will use the quοtient rule οf differentiatiοn.
Let's begin by simplifying the expression:
[tex]f(x) = [5(x^2 + 2) cot(x)]/[2 - cos(x) csc(x)][/tex]
[tex]f(x) = [5(x^2 + 2) cos(x)/sin(x)]/[2sin(x) - cos(x)][/tex]
[tex]f(x) = [5(x^2 + 2) cos(x)]/[sin(x)(2sin(x) - cos(x))][/tex]
Now we can apply the quotient rule:
[tex]f'(x) = [(5(x^2 + 2) cos(x))'sin(x)(2sin(x) - cos(x)) - (5(x^2 + 2) cos(x))(sin(x)(2sin(x) - cos(x)))']/(sin(x)(2sin(x) - cos(x))^2)[/tex]
To simplify, let's find the derivatives of the individual terms in the numerator:
[tex][(5(x^2+ 2) cos(x))'] = 10xcos(x) - 5(x^2+ 2)sin(x)[/tex]
[tex][(sin(x)(2sin(x) - cos(x)))'] = 3cos^2 (x) - 4sin^2(x)[/tex]
Now we can substitute these back into our original equation for f'(x):
[tex]f'(x) = [(10xcos(x) - 5(x^2 + 2)sin(x))sin(x)(2sin(x) - cos(x)) - (5(x^2 + 2) cos(x))(3cos^2(x) - 4sin^2 x))]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
Simplifying further:
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 5(x^2 + 2)sin^2 (x)(2sin(x) - cos(x)) - 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^2x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2+ 2)sin^ 2(x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
Therefore, the derivative of f(x) is:
[tex]f'(x) = [10xsin(x)cos(x)(2sin(x) - cos(x)) - 10(x^2 + 2)sin^3(x) + 15(x^2 + 2)cos^3(x) + 20(x^2 + 2)sin^2(x)cos(x)]/(sin(x)(2sin(x) - cos(x))^2)[/tex]
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Ronaldo has three and three-sevenths sandwiches. He shares three-fourths of them with his family. How many sandwiches did Ronaldo share?
Ronaldo therefore feeds his family 2 and 4/7 sandwiches as he eats sandwiches that are three and three-sevenths .
what is unitary method ?A mathematical strategy for resolving proportionality issues is the unitary method. Finding the value of one unit of a quantity and utilising that value to determine the value of a different number of units of the same quantity is what this process entails. The unitary technique can be used, for instance, to determine the cost of any quantity of apples if you know that 5 apples cost $10. $10/5 = $2 would be the price of one apple. By multiplying the quantity of apples by the price of one apple, you could then calculate the price of any other number of apples. For instance, 8 apples would cost 8 x $2, or $16, to purchase.
given
Ronaldo eats sandwiches that are three and three-sevenths of a sandwich, which is an incorrect fraction:
3 3/7 = (7*3 + 3)/7 = 24/7
He divides these sandwiches into thirds and fourths among his family, making a total of:
(3/4) * (24/7) = (324)/(47) = 18/7
We can change this incorrect fraction into a mixed number because:
18/7 = 2 and 4/7
Ronaldo therefore feeds his family 2 and 4/7 sandwiches as he eats sandwiches that are three and three-sevenths .
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matt mopped 1/40 of the floor every 1/4 hour.The area of the floor was 3,000 square feet.what is the unit rate in square feet per hour.which represents matt mopping the floor
Answer:
75 square feet
Step-by-step explanation:
you will just multiply by 1 over 40 as it is the ratio that he works in one hour
Omaya picked as amount of apples, took a break, and then picked v more. Write the expression that models the total number of apples Omaya picked
The formula that describes how many apples Omaya picked in total is Y=x + v.
What does a linear equation mean in mathematics?
A linear equation is one that only has a constant and a first-order (linear) component, like y=mx+b, where m is the slope and b is the y-intercept.
Occasionally, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.
The term "linear equation" refers to equations with power 1 variables. Where ax+b = 0 is one example with only one variable, where a and b are real numbers and x is the variable.
Let Total number of apples= Y
so,
Y=x + v
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2. Sundaes come with vanilla or chocolate ice cream. The toppings are hot fudge and
caramel. The final choice is whipped cream or marshmallow.
• What is the probability of getting a sundae with vanilla ice cream, caramel, and
marshmallow?
● Draw a tree diagram to find the solution.
• Justify mathematically that your answer is correct.
Answer:
Step-by-step explanation:
The tree that shows the correct combination of one flavor of ice cream and one topping is the the first tree.
What is tree diagram ?
A tree diagram is a tool in the fields of general mathematics, probability, and statistics that helps calculate the number of possible outcomes of an event or problem, and to cite those potential outcomes in an organized way.
Tree diagrams, also known as probability trees or decision trees, are quite versatile and may be useful in many fields, including finance.
A tree diagram lets a user start at a single point and make mutually exclusive decisions or experience mutually exclusive events to follow a path down the branches of the tree. Using a tree diagram is simple once you assign the appropriate values to each node.
From the question, and the definition it is clear that vanilla splits into fudge and caramel and chocolate to sprinkles.
Hence A is the correct option.
When John waters, his plants each day he keeps track of how many liters he uses. He measures in 1/8 liter amounts, and never uses more than 1 L the amount he uses each day varies, but he figures that if all the amounts work evened out he uses 1/2 L a day how did John decide this?
Probability and statistics question
(a) There are 0.1271 percent of poodles that weigh more than 7.9 kilograms. (b) The region to a left , z1 is 0.2389, and the proportion of pups with weights of no more than 7.4 kilos is 0.2852.
How much does a kilogram weigh?a. i. To determine how many times the revenue in 2017 was greater than the revenue in 2016, divide the revenue in 2017 by the revenue in 2016:
$164,900\div 138,200 = 1.1939$
Revenue in 2017 was 1.1939 times greater than revenue in 2016.
ii. To calculate the revenue in 2017 as a percentage of the revenue in 2016, divide the revenue in 2017 by the revenue in 2016 and multiply by 100:
$dfrac164,900138,200 multiplied by 100% = 119.39%$In 2017, revenue was 119.39% higher than in 2016.
b. i. To determine how many times the population of Huntersville was greater than the population of Wright's Park in 2015, divide the population of Huntersville by the population of Wright's Park:
(a) To find the proportion of poodles with weights over 7.9 kilograms, we need to find the area under the standard normal distribution curve to the right of z = (7.9 - 7) / 0.7 = 1.14. From the standard normal distribution table, the area to the right of z = 1.14 is 0.1271. Therefore, the proportion of poodles with weights over 7.9 kilograms is 0.1271.
(b) To find the proportion of poodles with weights of at most 7.4 kilograms, we need to find the area under the standard normal distribution curve to the left of z = (7.4 - 7) / 0.7 = -0.86. From the standard normal distribution table, the area to the left of z = -0.86 is 0.1949. Therefore, the proportion of poodles with weights of at most 7.4 kilograms is 0.1949.
(c) To find the proportion of poodles with weights between 6.5 and 7.8 kilograms inclusive, we need to find the area under the standard normal distribution curve between z = (6.5 - 7) / 0.7 = -0.714 and z = (7.8 - 7) / 0.7 = 1.14. From the standard normal distribution table, the area to the left of z = -0.714 is 0.2389 and the area to the right of z = 1.14 is 0.1271. Therefore, the proportion of poodles with weights between 6.5 and 7.8 kilograms inclusive is 1 - 0.2389 - 0.1271 = 0.634.
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How can I solve this?
The polynomial that models the company's profit is 1.0x² + 3.5x, which represents the profit in thousands of dollars.
Define polynomial equationA polynomial equation is an algebraic equation that involves a polynomial, which is an expression consisting of variables and coefficients that are combined using addition, subtraction, multiplication, and exponentiation (raising to a power).
The polynomial that models the company's sales in thousands of dollars is simply the given sales volume polynomial:
Sales = 5.9x² + 8.5x + 4.7 (in thousands of dollars)
To find the polynomial that models the company's profit, we need to subtract the cost polynomial from the sales polynomial:
Profit = Sales - Cost
Profit = (5.9x² + 8.5x + 4.7) - (4.9x²+ 5x + 4.7)
Profit = (5.9 - 4.9)x² + (8.5 - 5)x
Profit = 1.0x²+ 3.5x
So the polynomial that models the company's profit is 1.0x² + 3.5x, which represents the profit in thousands of dollars.
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Can someone please help me
A graph of A(x) and B(x) in the interval 0 ≤ x 100 on a cartesian coordinate is shown below.
The solution of A(x) = B(x) to the nearest integer is (35, 8).
What is an exponential function?In Mathematics, an exponential function can be represented or modeled by using the following mathematical equation:
[tex]f(x) = a(b)^x[/tex]
Where:
a represent the base value, vertical intercept, or y-intercept.b represent the slope or rate of change.x represent time.Based on the information provided about the two plans for speeding up its technical support time, we can logically deduce the following exponential functions;
[tex]A(x) = 15.7(0.98)^x \\\\B(x) = 11(0.99)^{x}[/tex]
By critically observing the graph of the two exponential functions, we can logically deduce that the point of intersection (solution) is in quadrant I, which is given by the ordered pair (35, 8).
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Can someone pls help me on this?
Worth 50 points!!
+
1st to answer gets Brainliest!!
The measure of the sector that represents the probability of the medicine curing one person is 216°. So correct option is A.
Describe Sector?In geometry, a sector is a region of a circle enclosed by two radii and an arc. The two radii form an angle, called the central angle, which defines the boundary of the sector.
The area of a sector can be calculated using the following formula:
Area of sector = (central angle / 360) * π * r²
where:
central angle is the angle formed by the two radii
r is the radius of the circle
π is the mathematical constant pi, which is approximately 3.14159
The perimeter of a sector is the sum of the length of the arc and the length of the two radii. The length of the arc can be calculated using the formula:
Length of arc = (central angle / 360) * 2 * π * r
Sectors are often used in real-world applications, such as calculating the area of a pizza slice or the distance traveled by a car in a circular racetrack. They are also used in trigonometry to calculate angles and side lengths of triangles formed by intersecting chords and tangents in circles.
The probability of the medicine curing one person is given by P(curing) = 3/5. Since the spinner is a circle of 360°, the measure of the sector that represents the probability of the medicine curing one person is:
360° × P(curing) = 360° × 3/5 = 216°
Therefore, the answer is A) 216 degrees.
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Use distributive property to evaluate 4(2x-1) when x=6.
The answer is 44.
What is unitary method?
"A method to find a single unit value from a multiple unit value and to find a multiple unit value from a single unit value."
We always count the unit or amount value first and then calculate the more or less amount value.
For this reason, this procedure is called a unified procedure.
Many set values are found by multiplying the set value by the number of sets.
A set value is obtained by dividing many set values by the number of sets.
4*(12-1)
44
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How do I show a parallelogram that is not a rectangle with an area of 18 square units( the smallest square on the grid has an area of 1 square unit)
Solve for d in the equation below. Isolate [tex]d[/tex] on the left hand side. Show all work.
[tex]A=B\left(1+\dfrac{c}{d} \right)^{dk}[/tex]
The solution for ‘d’ in the given equation is d = (ln(A) - ln(B))/ln(1+c/d).
What is natural log?Natural log is a logarithmic function commonly used in mathematics and in calculators to simplify equations. It is the inverse of the exponential function and is written as ln(x).
In order to solve for ‘d’ in the given equation, we need to isolate it on the left side of the equation.
To do this, we can begin by taking the natural log of both sides of the equation, as shown below.
ln(A) = ln(B) + d*ln(1+c/d)
We can now rearrange the terms in this equation such that ‘d’ is isolated on the left side of the equation.
d*ln(1+c/d) = ln(A)-ln(B)
We can now divide both sides of the equation by ln(1+c/d) in order to solve for ‘d’, as shown below.
d = (ln(A) - ln(B))/ln(1+c/d)
Therefore, the solution for ‘d’ in the given equation is
d = (ln(A) - ln(B))/ln(1+c/d).
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