The value of sin(e) in the given right angle triangle DEF is 3/5
Given the Right angle DEF,
It is not specified whether angle D= angle F =90°.
Based on the alternatives presented, either base and altitude =3 or 4 and
5 is the hypotenuse.
Case 1. When ∠D=90° In Δ E D F
Sin (E) =altitude/hypotenuse
= 3/5 OR 4/5 [ if base=3, then altitude =4 and if Base =4, Altitude=3]
Case 2. When ∠F=90°, In ΔEFD
Sin (E) =altitude/hypotenuse
= 3/5 or 4/5 [Depending on whether Base =3 then altitude =4, OR Altitude =3 , then Base =4]
Looking at all of the possibilities, 3/5 and 4/5 are accurate.
However, the solution is 3/5, so whether you pick angle D or angle F as 90°, take Altitude=3, Hypotenuse =5, and Base=4.
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Answer:
A. 3/5
Step-by-step explanation:
For right triangle, c^2 = a^2 + b^2
given c = EF = 10, a = DE = 8, b = DF
10^2 = 8^2 + DF^2
DF^2 = 100 - 64 = 36
DF = 6
sin(E) = opposite/hypotenuse = 6/10 = 3/5
Hi can I please get some help?
The length of DE from the given triangle ABC is 9. Therefore, option C is the correct answer.
What is midpoint theorem?The midpoint theorem states that the line segment joining the midpoints of any two sides of a triangle is parallel to the third side and equal to half of the length of the third side.
In the given triangle ABC, AD=DB
Here, D is the midpoint on AB so AD:DB=1:1
Now, DE=BC/2
=18/2
=9
Therefore, the length of DE is 9.
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The ages of the workers at a small company are given in the table.
Find the median age of the employees.
Employees’ Ages
17 22 56 45 34
18 21 62 25 29
Median
The median In
those years is?
The median of the employees' ages is 27.
What is median?The median is the value that splits the mathematical numbers or expressions in the half. The median value is the middle number of data point. To find the median, firstly arrange the data points in ascending order.
The ages of the workers at a small company are given.
Employees’ ages are 17, 22, 56, 45, 34, 18, 21, 62, 25, 29.
To find the median,
firstly, arrange the data points in ascending order.
17, 18, 21, 22, 25, 29, 34, 45, 56, 62.
The total element in the data set is 10.
And 10 is an even number.
Then the median is the simple average of the middle two numbers.
And the middle numbers are 25 and 29.
So, 25 + 29 / 2
= 54/2 = 27
Therefore, the median is 14.
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Middle School Problem: A frog stands at the number 0 on a number line and wants to hop to the number 8. He can hop 1, 2, 3 units forward in a single jump. How many different ways are there for him to reach the number 8?
Answer: There will be 3 different ways for the frog to reach the number 8
Step-by-step explanation:
It's a simple addition, just add 3+2+3 which will equal 8. You can also look at a number line and do it that way. Hope this helps!
Select the row of Pascal’s triangle that is used to expand the binomial expression (2x^3+3y^2)^7
The row of Pascal's triangle required for the binomial expansion is: 1 7 21 35 35 21 7 1
Pascal's triangle is a principle that can be used to expand a given bracket to any given power by the process termed binomial expansion. It can be used to expand brackets to a power starting from zero; but majorly applied when the power is greater than 3.
Now considering the given question, for the binomial expansion of (2x^3+3y^2)^7, the required terms of expansion using Pascal's triangle is:
1 7 21 35 35 21 7 1.
So that the binomial expansion would give;
128x^21 + 1344x^18y^2 + 6048 x^15y^4 + 15120x^12y^6 + 22680x^9y^8 + 20412x^6y^10 + 10206x^3y^12 + 2187y^14
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The Sugar Sweet Company is going to transport its sugar to market. It will cost $5000 to rent trucks, and it will cost an additional $200 for each ton of sugar transported. Let C represent the total cost (in dollars), and let S represent the amount of sugar (in tons) transported. Write an equation relating C to S, and then graph your equation using the axes below.
Please find attached the graph of the linear equation for the total cost of transportation of sugar created with MS Excel is attached.
What is a graph of an equation?A graph is a pictorial representation of the relationship between the variables in an equation.
The amount it costs to rent the truck = $5000
The amount it cost to transport a ton of sugar = $200
The amount of sugar transported in tons = S
The equation for the total cost C is; C = 5000 + 200·s
The graph of the equation for the cost of transportation can be created with a spreadsheet application such as MS Excel, by entering the formula, = 5000 + 200*RefCell, in a cell and the value of S in an adjacent cell, the values for S are then populated and the values of C are generated using the formula in the cell
The two columns are then selected
Then the insert, Chart menu is then used to create the graph.
Please find attached the required graph created with MS Excel
The graph for the total cost for the transportation is therefore a straight line graph with a slope of 200 and a y-intercept of 5,000,
The
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Hiro painted his room. After 3 hours of painting at a rate of 8 square meters per hour, he had 28 square meters left to paint. Let y represent the area (in square meters) left to paint after x hours.
Slope and a point that is not an intercept is the information about the graph of the relationship is given.
The Painting rate = 8 m²/h
Room area left to paint after 3 hours = 28 square meters . Let y be the area left to paint after x hours in square meters. To describe a point on a graph, we need a corresponding (x,y) pair. In our case , we need information about the rate of change of the relationship between the area left to paint and after the hours. Painting speed of Hiro is 8 square meters per hour. So, the corresponding slope is 8 or equation , Y = 8x --(1)
Y = 28 square meters, substituting this value into the above formula 28 = 8X
=> X = 7/2
which is the point (7/2, 28 ) and not an intercept.
In other words, the point that is not the intersection with the slope.
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Complete question:
Hiro painted his room. After 3 hours of painting at a rate of 8 square meters per hour, he had 28 square meters left to paint. Let y represent the area (in square meters) left to paint after x hours.
Which of the following information about the graph of the relationship is given?
a)Slope and x-intercept
b) Slope and y-intercept
c)X-intercept and y-intercept
d) Y-intercept and a point that is not an intercept
e)Two points that are not intercepts
f)Slope and a point that is not an intercept
in a study entitled "hello from the other side", yael schneider studied the frequency, conditions of, and content of attempted electronic communications with a former significant other in the month immediately following a breakup. yael looked at messages sent via social media, text, and email of 32 individuals who had recently broken up with their significant other. her findings can be found in the almanac of questionable statistics, vol 16 (1242). what is the population in this study?
All the individuals who have recently broken up with a significant other is the population in this study answer to this question.
what is statistics?The study of statistics includes the collection, examination, analysis, and interpretation of data as well as methods for doing so. Statistics can be divided into two main categories: descriptive statistics and inferential statistics.
given,
Yael examined the texts, emails, and social media posts of 32 people who had recently split up with their partners. Her results are published in the Almanac of Doubtful Statistics.
People who just broke up with a significant other who have pledged to return to that in a moment on social media, cell phone, or internet service providers.
Keep in mind that this is about the users, not the providers, and is being done for social and behavioral science study.
All the individuals who have recently broken up with a significant other is the answer to this question.
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The table shows the relationship between time spent running and distance traveled. A 2-column table with 5 rows. The first column is labeled time (minutes) with entries 1, 2, 3, 4, 5. The second column is labeled distance (feet) with entries 530; 1,050; 1,600; 2,110; 2,650. Which type of model best describes the relationship? linear, because the r value for the linear model is closest to 1exponential, because the r value for the exponential model is closest to 0linear, because the rate of change between each pair of points is exactly 520exponential, because the rate of change between each pair of points is 1. 98.
The r value for the linear model is closest to 1.
We have two columns in this question, one for you to enter the time and the other for the distance. We must determine whether the relationship is exponential or linear.
I'll start by explaining the differences between linear and exponential relationships, after which we'll observe the data and find the answer, which is as follows:
linear, as the linear model's r value, is the closest to 1.
exponential and linear data
It is linear if close numbers are assumed for the absolute value of the change.
If so, the rate is exponential.
Data:
t = 1 -> d = 530
t = 2 -> d = 1050
t = 3 -> d = 1600
t = 4 -> d = 2110
t = 5 -> d = 2650
Subtractions:
2650 - 2110 = 540
2110 - 1600 = 510
1600 - 1050 = 550
1050 - 530 = 520
Divisions(rates):
2650/2110 = 1.25
2110/1600 = 1.32
1600/1050 = 1.52
1050/530 = 1.98
The rates change considerably more than the subtractions, so it is a linear relationship, and the correct option is: linear because the r value for the linear model is closest to 1.
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The legs of a right triangle are congruent and have the measure of 23.6 yards. Determine the length, in yards, of the hypotenuse. Show your work for partial credit.
The required length of the hypotenuse of the right angle triangle is 23.6 √2.
What is a right angle triangle?A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or anyone angle is a right angle.
Given that,
The legs of the right and triangle are congruent,
And equal to 23.6 yards.
Implies that,
Base = height = 23.6 yards
To find hypotenuse of the triangle, use Pythagoreans theorem,
(Hypotenuse)² = (Base)² + (Height)²
(Hypotenuse)² = (23.6)² + (23.6)²
(Hypotenuse)² = 2 (23.6)²
Hypotenuse = 23.6 √2
The length of the hypotenuse of the right angle triangle is 23.6 √2.
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the assumptions that z2 and z3 do not appear in the model and are uncorrelated with the error u1 are known as
z2and z3 are uncorrelated with the error u1 are known as are known as exclusion restrictions
What is Exclusion Restrictions?
Most undergraduate econometric curricula cover the use of instrumental variables as a typical method for determining a variable's causal relationship to another variable. The fundamental tenet of the approach is that it can be applied in circumstances when a source of exogenous variation in X cannot be identified. Instead, a third variable called the instrument, Z, is utilized, where Z only influences Y by acting through X.
When estimating outcomes using instrumental variables (IV) or exogenous variables, which are used in many fields of research, including statistics and economics, researchers rely on proper exclusion limits.
the assumptions that z2 and z3 do not appear in the model
Hence z2and z3 are uncorrelated with the error u1 are known as are known as exclusion restrictions.
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Solve four and three-fourths times two and one-third equals blank.
Answer:
Below
Step-by-step explanation:
This is your posted line:
4 3/4 = 19 / 4
2 1/3 = 7/3
19/4 * 7/3 = (19*7) /(4*3) = 133/12 = 11 1/12
BUT the question in the picture shows
2 4/7 * 2/3 =
18/7 * 2/3 = (18*2) / ( 7*3) = 36/21 = 1 15/21 = 1 5/7
find each angle measure to the nearest degree tan b= 0.7536
Answer: b≈37°
Step-by-step explanation:
tg(b)=0.7536
b=arctg(0,7536)
b≈37°
The equation for QR is 5y = -4x + 41. Is QR tangent to Circle O at R?
R (4,5)
4X
No, because the slope of OR times the slope of QR
does not equal -1.
Yes, because the slope of OR times the slope of
QR equals 1.
Yes, because the slope of OR times the slope of
QR equals -1.
No, because the slope of OR times the slope of QR
does not equal 1.
Done)
Yes, because the slope of OR times the slope of
QR equals -1.
Option C is the correct answer.
What is an equation of a line?The equation of a line is given by:
y = mx + c
where m is the slope of the line and c is the y-intercept.
Example:
The slope of the line y = 2x + 3 is 2.
The slope of a line that passes through (1, 2) and (2, 3) is 1.
We have,
The equation of QR is 5y = -4x + 41.
QR is tangent to the circle at R(4, 5) if the radius of the circle is perpendicular to QR.
This means,
The slope of the radius x Slope of the line QR = -1
Now,
The centre of the radius 0 = (0, 0)
R = (4, 5)
OR is the radius.
The slope of the radius.
= 5/4
Now,
5y = -4x + 41
y = (-4/5)x + 41
The slope of QR.
= (-4/5)
Now,
The slope of the radius x Slope of the line QR = -1
5/4 x -4/5 = -1
-1 = -1
Thus,
QR is tangent to the circle O at R(4, 5).
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ASAP PLEASE HELP A satellite orbiting Earth at an orbital radius r has a velocity v. What would the velocity be if the satellite is moved to an orbital radius of 6r?(1 point)
A. 1/6 v
B. 1/√6 v
C. √6v
D. 6v
New orbital Velocity is [tex]\frac{1}{\sqrt{6} }[/tex] times the Actual orbital velocity
What is Orbital Velocity ?The speed at which one body orbits the other body is known as the orbital velocity. The term "orbit" refers to an object's consistent circular motion around the Earth. The distance between the object and the earth's center determines the orbit's velocity.
According to the given information
When the radius given is r
Orbital Velocity = [tex]\sqrt{\frac{Gm}{r} }[/tex]
V = [tex]\sqrt{\frac{Gm}{r} }[/tex]
Here
V = orbital Velocity
G = Gravitational Constant
m = mass of Satellite
r = radius
When radius = 6r
Orbital Velocity = [tex]\sqrt{\frac{Gm}{5r} }[/tex]
New V = [tex]\frac{1}{\sqrt{6} }[/tex] × [tex]\sqrt{\frac{Gm}{r} }[/tex]
New V = [tex]\frac{1}{\sqrt{6} }[/tex] × V
So
New orbital Velocity is [tex]\frac{1}{\sqrt{6} }[/tex] times the Actual orbital velocity
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How much more will account X be worth more than account Y after 20 years?
The answer can be stated as, " Account X will be worth $ 248 more than account Y after 20 years."
What is simple interest?Simple interest can be defined as a form of interest in which the percent rate is applied on the same principal for a given period of time.
The simple interest for account X and account Y can be calculated as follows,
For account X substitute the corresponding values in the expression as,
(P × r × t)/100
= (1800 × 1.8 × 20)/100
= 36 × 18
= 648
Similarly for account Y, interest can be calculated as,
(P × r × t)/100
= (10000 × 0.2 × 20)/100
= 40000/100
= 400
Thus, the difference between the interests is given as 648 - 400 = 248.
Hence, the account X will be $248 more than account Y.
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Consider the inequality 1/2x−1/4<5/8 .
The required solution to the given inequality is x < 7/4.
What is inequality?Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.
Here,
Given that,
To determine the simplified solution of the inequality 1/2x−1/4 < 5/8.
1/2x−1/4<5/8 .
Adding 1/4 on both sides of the equality,
1/2x < 5 / 8 + 1 / 4
Multiply by 2 on both sides of equality,
1 / 2x < 7 / 8
x < 7 / 4
So, the solution of inequality lies x greater than 7/4, as of the given conditions.
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Seventh grade > R.12 Simplify expressions by combining like terms JJG
Simplify the expression:
7z+-6z + 10z
Answer:
11z
Step-by-step explanation:
7z+(-6z)= 1z or z
1z + 10z = 11z
I WILLL GIVE BRAINLIEST Simplify negative 4 and 3 over 4 minus 8 and 4 over 5. negative 63 over 9 negative 271 over 20 negative 13 and nine elevenths 13 and 11 over 20
Answer:
-13 11/20 = -271/20
Step-by-step explanation:
-4 3/4 - 8 4/5 =
= -4 15/20 - 8 16/20
= -12 31/20
= -13 11/20 = -271/20
convert 4 ounces in
to pounds
4 ounces to pounds
1 ounce = 0.0625 pounds
4 ounces * 0.625 pounds = [tex]\fbox{2.5 pounds}[/tex]
How do you find the mean of 15 numbers?
To find the mean of 15 numbers, add up all of the numbers and then divide by 15. The result will be the mean of the 15 numbers.
1. Add up all the numbers
2. Divide the sum by 15
3. The result will be the mean of the 15 numbers
To calculate the mean of 15 numbers, begin by collecting all the values in the group. Sum up the values in the group by adding each number together. Once the sum is calculated, divide the sum by 15. This number will be the average of the 15 numbers. To check the accuracy of the answer, add up the 15 numbers again and divide the result by 15.
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According to the Rational Root Theorem what are the solutions of: 2x^4 -5x^3+10x^2-9=0
The required true statement for [tex]2x^4 -5x^3+10x^2-9=0[/tex] is rational root factor of 9 divided by a factor of 2.
What is Rational root theorem?Rational root theorem states that if the equation has rational roots they will be the factors of constant term divided by factors of highest power coefficient.
The Rational Root Theorem states that any rational root of f(x) is a factor of the trailing constant divided by a factor of the leading coefficient.
In this case, a factor of 9 divided by a factor of the number 2.
[tex]2x^4 -5x^3+10x^2-9=0[/tex]
If there are any rational roots, it would be a factor of constant term of 9 divided by a factor of the high-order coefficient of 2.
Hence, The true statement is rational root factor of 9 divided by a factor of 2.
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If x ≥ 0, then x+|x| =
The best answer would be that 2x greater then zero which satisfy the condition.
What is the absolute value function?The absolute value function is defined by the following piecewise rule, depending on the input of the function:
It measures the distance of a point x to the origin, hence, for example, |-2| = |2| = 0, and has vertex at (0,0). The range is from the y-coordinate of the vertex to positive infinity.
If x ≥ 0, then we need to determine the value of x+|x|
Since {x | x < 0} and {x | x > 0} which is no number less than zero and greater than zero at the same time.
Here we need to add that is;
x+|x| = 2x
Therefore, in conclusion we get that 2x is greater then zero which satisfy the condition.
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The point 0 is the center of a regular octagon ABCDEFGH. The point X is the mid-point of the side AB.
The fraction of the area of the octagon that is shaded is [tex]\dfrac{7}{16}[/tex]
What is a fraction?A fraction is expressed as a quotient consisting of a numerator, divided by a denominator, and it is used to show the relative amount a part of an item is with regards to the whole item.
An regular octagon can be taken as comprising of eight triangles, that have a base length equal to the length of one of the sides of the octagon, and a height equivalent to the length of the apothem of the octagon, therefore;
The area of the octagon can be obtained from the sum of the area of the eight triangles in the octagon as follows;
Area of the octagon, ABCDEFGH = 8 × Area of triangle, ΔBOCThe area of the shaded region, comprises of three and a half triangles of the 8 triangles that make up the octagon, such that, we get;
Area of the shaded region = Three and a half of the eight triangles that form the octagon
Area of the shaded region = 3.5 × Area of one triangleThe fraction of the area of the octagon, represented by the area of the shaded region is therefore;
Fraction of the octagon shaded = [tex]\dfrac{3.5 \times Area \, of \, triangle \ \Delta BOC}{8 \times Area \, of\, triangle \, \Delta BOC} = \dfrac{3.5}{8}[/tex]
[tex]\dfrac{3.5}{8} =\dfrac{7}{16}[/tex]
Fraction of the area of the octagon shaded = 7/16A possible part of the question obtained from a similar online question includes to find the fraction of the octagon represented by the shaded region
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how many 1/6 liter savings of water are in 3 liter bottle of water
A. 2
B. 3
C 9
D. 18
A data display showing the number of children per household in the US is strongly skewed right. The mean. number of children per household is 3. What is a possible value for the
median? Check all that apply.
O 0
O 1
O 2
O 3
O 4
O 5
A data display showing the number of children per household in the US is strongly skewed right. The mean. number of children per household is 3. the possible value for the median are
O 1O 2What is a skewed data?Data that produces an uneven, skewed curve on a graph is referred to as skewed data. In statistics, a data set with a normal distribution has a bell-shaped, symmetrical graph. The "tail" of skewed data, however, is on either side of the graph.
Outliers that do not affect the median but have an impact on the mean. As a result,
The mean is frequently lower than the median when the distribution of the data is skewed to the left. The mean is frequently higher than the median when the distribution is skewed to the right.The problem has it that the data is skewed to the right hence the mean is higher than the median. if the mean is 3 the median should be numbers less than the mean which are 0, 1, 2
0 is not included in the answer as 0 is not a possible value in this case.
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Answer:
The answer is 0,1,2
Step-by-step explanation:
A data display showing the number of children per household in the US is strongly skewed right. The mean. number of children per household is 3. What is a possible value for the
median?
As Monte Carlo simulation is essentially statistical sampling, the larger the number of trials used, the more precise is the result. True False
It is true that statistical sampling uses Monte Carlo simulation, where a greater number of trials are employed to obtain a precise answer.
What are the steps for Monte Carlo simulation?A mathematical method or statistical sampling called Monte Carlo simulation is used to forecast all potential outcomes of any unknown event.
As it relies on historical data to forecast future results, the accuracy increases with the number of trials.
You can review more old data to anticipate the first month's sales of any newly launched product, for instance.
It aids in more precise probability calculations.
As a result, more trials are necessary for an accurate result in Monte Carlo simulation statistical sampling.
Therefore, it is true that statistical sampling uses Monte Carlo simulation, where a greater number of trials are employed to obtain a precise answer.
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The period T (in seconds) of a pendulum is given by T = 2 √(), where L stands for the length (in feet) of the pendulum.
If = 3.14, and the period is 9.42 seconds, what is the length?
The length of the pendulum is
feet
By using the formula for time period of a pendulum, it can be calculated that
Length of the pendulum is 72.324 feet
What is time period of a pendulum?
The time taken by a pendulum to complete one oscillation is called the time period of a pendulum.
If l is the length of the pendulum, g is the acceleration due to gravity, then time period of the pendulum is calculated by the formula
[tex]T = 2\pi \sqrt{\frac{l}{g}}}[/tex]
Here,
Time period = 9.42 seconds
g = 9.8 [tex]m/s^2[/tex]
[tex]T = 2\pi \sqrt{\frac{l}{g}}}[/tex]
[tex]9.42 = 2 \times 3.14 \sqrt{\frac{l}{9.8}}\\\\\frac{9.42}{2 \times 3.14} = \sqrt{\frac{l}{9.8}}\\\\\sqrt{\frac{l}{9.8}} = 1.5\\\\\frac{l}{9.8} = 1.5^2\\\\l = 2.25 \times 9.8\\\\[/tex]
l = 22.05 m
l = 22.05 [tex]\times[/tex] 3.28 feet
l = 72.324 feet
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What is the value of 5 (!)?
Answer:
120
Step-by-step explanation:
Let's assume that "5 (!)" is 5! (5 factorial)
5*4*3*2*1 = 120
Of the 140 students 65% are girls how many are boys
Answer:
there are 22 boys and 40 girls
Margarite wants to take a trip to japan in 8 years. She knows she will need about $4,200. How much should she deposit into an account now that pays 3. 5% interest, compounded daily, to meet her goal? round to the nearest dollar.
Margarite must deposit $3174 as the principal in her account.
What is meant by compound interest?The addition of interest to the principal of a loan or deposit is known as compound interest, sometimes known as interest on principal and interest. It occurs when interest is reinvested, added to the lent capital instead of being paid out, or the borrower is required to pay it, resulting in the next period's interest being generated on the principal amount plus any accumulated interest. Finance and economics both use compound interest frequently.
In contrast to simple interest, which does not compound since past interest is not added to the current period's principal, compound interest allows for the accumulation of interest from prior periods.
As given:
42000 dollars are required for the journey to Japan.
Let P be the account's principal deposit.
Interest rates are 3.5% each day, compounded.
The duration is 8 years.
4200=P(1+(3.5/365×100))³⁶⁵⁽⁸⁾
4200=P(1.00009589)²⁹²⁰
4200=P×1.323110
P=4200/1.323110
P=3174.33
≈P=$3174
Therefore, Margarite must deposit $3174 as the principal in her account.
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