1- On the 58th birthday, the account would have $24,209.98, 2- If the interest is compounded monthly, then on the 58th birthday, the account would have $26,322.47.
1- The formula for calculating the compound interest is given by A = P(1 + r/n)(nt), where A is the final amount, P is the principal amount, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time in years. Here, P = $10,000, r = 0.03, n = 1, t = 40 years (58 - 18).
substituting the values in the formula, we get A = $10,000(1 + 0.03/1)1*40) = $24,209.98.
2) In this case, n = 12 (monthly compounding), and t = 12*40 (total number of months in 40 years). So, the formula for calculating the compound interest becomes A = P(1 + r/n)(nt) = $10,000(1 + 0.03/12)(12*40) = $26,322.47.
Since the interest is compounded more frequently, the amount at the end of 40 years is higher than when the interest is compounded annually.
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_______ assisted Anton Raphael Mengs with the iconography of his ceiling fresco, Parnasus, in the Villa Albani.
A) Johann Winckelmann
B) Cardinal Albani
C) Jacques Louis David
D) Joshua Reynolds
Pls help I don’t get how to do this
Answer:
Step-by-step explanation:
explanation in image
As an estimation we are told 3 pounds is four euros convert 16 euros to pounds
As an estimation of the exchange rates, 16 Euros is approximately equal to 12 Pounds.
To convert Euros to Pounds, we first need to determine the conversion rate between these two currencies. From the information provided, we know that 3 Pounds is approximately equal to 4 Euros. Using this information, we can establish a conversion factor by dividing 3 Pounds by 4 Euros:
Conversion factor = 3 Pounds / 4 Euros = 0.75 Pounds per Euro
Now that we have the conversion factor, we can use it to convert 16 Euros to Pounds. To do this, we simply multiply the amount in Euros (16) by the conversion factor (0.75 Pounds per Euro):
16 Euros * 0.75 Pounds per Euro = 12 Pounds
So, as an estimation, 16 Euros is approximately equal to 12 Pounds. Keep in mind that exchange rates between currencies can fluctuate over time, so it's always a good idea to double-check the current rate before making any financial transactions.
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Complete Question:
As an estimation we are told £3 is €4.
Convert €16 to pounds.
Anissa said that distance, d, could be either an independent or dependent variable Explain Anissa's statement. Distance, d, could be an) Choose. Variable because it affects the amount of time that someone has traveled. Distance, d, could also be a(n) Choose variable because it is affected by the speed traveled.
Anissa's statement is correct.
The classification of distance, d, as either an independent or dependent
variable depends on the context in which it is used.
Distance as an independent variable:
In this case, distance, d, is considered an independent variable because it
affects the amount of time someone has traveled.
When we are interested in studying how the distance traveled affects
other variables, such as time or fuel consumption, we treat distance as the
independent variable and manipulate it to observe its impact on the
dependent variables.
For example, if we conduct an experiment to measure the time it takes to
travel a certain distance under different conditions (e.g., different speeds or
modes of transportation), we would vary the distance as the independent
variable while keeping other factors constant.
In this scenario, distance is the independent variable, and time is the
dependent variable.
Distance as a dependent variable:
On the other hand, distance, d, can also be considered a dependent
variable when it is affected by the speed traveled.
In this case, speed becomes the independent variable, and distance is
dependent on the speed at which an object or person travels.
For instance, if we investigate how the speed of a vehicle affects the
distance it can travel within a given time, we would manipulate the speed
as the independent variable and observe the corresponding changes in
distance.
Here, distance is the dependent variable, and speed is the independent
variable.
In summary, Anissa's statement is accurate because distance, d, can be
considered an independent variable when it affects other factors such as
time, and it can also be a dependent variable when it is influenced by
factors like speed.
The designation of distance as independent or dependent depends on the
specific context and the relationship it shares with other variables in the
given situation.
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for each of these relations on the set {1,2,3,4}, decide whether it is reflexive, whether it is symmetric, and whether it is transitive. Which of these relations are equivalence relations?(a) {(2,2),(2,3),(2,4),(3,2),(3,3),(3,4)}. (b) {(1,1),(1,2),(2,1),(2,2),(3,3),(4,4)}. (c) {(2,4),(4,2)}.
The relation is not an equivalence relation. (a) {(2,2),(2,3),(2,4),(3,2),(3,3),(3,4)}:
Reflexive: (2,2), (3,3) are present, but (1,1) and (4,4) are not present. Hence, not reflexive.
Symmetric: (2,3) is present, but (3,2) is also present. Hence, not symmetric.
Transitive: No counterexample to transitivity exists. Hence, it is transitive.
Therefore, the relation is not an equivalence relation.
(b) {(1,1),(1,2),(2,1),(2,2),(3,3),(4,4)}:
Reflexive: (1,1), (2,2), (3,3), (4,4) are present. Hence, reflexive.
Symmetric: (1,2) is present, but (2,1) is also present. Hence, symmetric.
Transitive: No counterexample to transitivity exists. Hence, it is transitive.
Therefore, the relation is an equivalence relation.
(c) {(2,4),(4,2)}:
Reflexive: (2,2) and (4,4) are not present. Hence, not reflexive.
Symmetric: (2,4) is present, but (4,2) is not present. Hence, not symmetric.
Transitive: No counterexample to transitivity exists. Hence, it is transitive.
Therefore, the relation is not an equivalence relation.
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Toby created a sculpture for art class using different-sized cubes. the smallest cube is 1.5 inches along each edge. the largest cube is 7.5 inches along each edge. how many of the smallest cubes would it take to fill the largest cube
It would take approximately 125 of the smallest cubes to fill the largest cube.
To determine the number of the smallest cubes that would fit inside the largest cube, we need to calculate the volume of both cubes.
The volume of a cube can be calculated by multiplying the length of one side by itself three times (since a cube has three equal sides). So, the volume of the smallest cube would be 1.5 x 1.5 x 1.5 = 3.375 cubic inches.
The volume of the largest cube can be calculated in the same way. The length of one side is 7.5 inches, so the volume would be 7.5 x 7.5 x 7.5 = 421.875 cubic inches.
To determine how many of the smallest cubes would fit inside the largest cube, we need to divide the volume of the largest cube by the volume of the smallest cube. So, 421.875 divided by 3.375 equals approximately 125.
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What is the amount of carrying charges for a $10,000 for college if there is a 5% down payment, apr of 10%, and a 36-month repayment period?
The amount of carrying charges for a $10,000 college loan with a 5% down payment, a 10% APR, and a 36-month repayment period is approximately $1,571.44.
To calculate the amount of carrying charges for a $10,000 college loan with a 5% down payment, a 10% annual percentage rate (APR), and a 36-month repayment period, follow these steps:
1. Determine the down payment: 5% of $10,000 = $500.
2. Subtract the down payment from the loan amount: $10,000 - $500 = $9,500. This is the principal loan amount.
3. Calculate the monthly interest rate: 10% APR / 12 months = 0.833% or 0.00833 as a decimal.
4. Calculate the monthly payment using the loan payment formula: P = r * PV / (1 - (1 + r)⁻ⁿ), where P is the monthly payment, r is the monthly interest rate, PV is the present value (principal loan amount), and n is the number of monthly payments. P = 0.00833 * $9,500 / (1 - (1 + 0.00833)⁻³⁶) = $307.54.
5. Determine the total amount paid over the loan term: Monthly payment * Number of monthly payments = $307.54 * 36 = $11,071.44.
6. Calculate the carrying charges: Total amount paid - Principal loan amount = $11,071.44 - $9,500 = $1,571.44.
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A group of Mupuvr CLC MLMMS4 students were questioned how they got to school half of the students saod they walk one third said they take a taxi amd the rest claimed they drive
Calculate the number of students delivered by car using proper fractions
The number of students who drive to school can be calculated as one-sixth of the total number of students.
How many students out of the Mupuvr CLC MLMMS4 group?Let's assume the total number of students in the Mupuvr CLC MLMMS4 group is represented by the variable 'x'. According to the given information, half of the students walk to school, which is equal to (1/2) * x. One-third of the students take a taxi, which is equal to (1/3) * x. The remaining students, who claim to drive, can be calculated as x - [(1/2) * x + (1/3) * x].
Simplifying this expression, we have x - (5/6) * x, which is equal to (1/6) * x. Therefore, the number of students who claim to drive to school is one-sixth of the total number of students.
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Can anyone help with this question on this picture
The distance it would take to travel across the river on the bridge than to take the ferry is 4√6 units.
How to determine the distance between the coordinates for each points?In Mathematics and Geometry, the distance between two (2) end points that are on a coordinate plane can be calculated by using the following mathematical equation:
Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]
Where:
x and y represent the data points (coordinates) on a cartesian coordinate.
By substituting the given end points into the distance formula, we have the following;
Distance AC = √[(-4 - 0)² + (2 - 2)²]
Distance AC = √[(-4)² + (0)²]
Distance AC = √[16 + 0]
Distance AC = √16
Distance AC = 4 units.
Distance AB = √[(2 - 0)² + (0 + 2)²]
Distance AB = √[(2)² + (2)²]
Distance AB = √[4 + 4]
Distance AB = √8
Distance AC = 2√2 units.
From Pythagorean Theorem, the length of BC is given by;
BC² = (2√2)² + 4²
c² = 8 + 16
c = √24
c = 4√6 units.
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Identify the name of the shape. prove with the explanation.
88 POINTS!!!!!
Joe and Tommy are playing a game of chicken. Tommy has a mass of 91 kg, Joe has a mass of 97 kg. Tommy is running towards Joe with a velocity of 5 m/s, Joe is running towards Tommy with a velocity of 6 m/s. Neither "chickens" out. After collision, Joe is standing still. How fast does Tommy bounce off Joe? Round to four decimal places
Tommy bounces off Joe at a speed of 5.9451 m/s after the collision.
We need to use the conservation of momentum, which states that the total momentum of a closed system remains constant. In this case, the closed system is the two players, Joe and Tommy.
We can start by calculating the initial momentum of the system, which is given by:
[tex]p_{initial} = m_{Tommy} * v_{Tommy} + m_{Joe} * v_{Joe}[/tex]
where m_Tommy and m_Joe are the masses of Tommy and Joe, respectively, and v_Tommy and v_Joe are their initial velocities.
Plugging in the given values, we get:
[tex]p_{initial} = 91 kg * 5 m/s + 97 kg * 6 m/s[/tex]
p_initial = 1123 kgm/s
After the collision, Joe is standing still, which means his velocity is zero. Let's call Tommy's velocity after the collision v_Tommy', which we need to find.
The final momentum of the system is given by:
[tex]p_{final} = m_{Tommy} * v_{Tommy'} + m_{Joe} * 0[/tex]
where we set Joe's velocity to zero since he's standing still.
Since the momentum is conserved, we can equate p_initial and p_final:
p_initial = p_final
[tex]m_Tommy * v_Tommy + m_Joe * v_Joe = m_Tommy * v_Tommy'[/tex][tex]m_{Tommy} * v_{Tommy} + m_{Joe} * v_{Joe} = m_{Tommy} * v_{Tommy'}[/tex]
91 kg * 5 m/s + 97 kg * 6 m/s = 91 kg * v_Tommy'
Solving for v_Tommy', we get:
[tex]v_{Tommy'} = (91 kg * 5 m/s + 97 kg * 6 m/s) / 91 kg[/tex]
v_Tommy' = 5.9451 m/s (rounded to four decimal places)
In summary, we used the conservation of momentum to calculate the velocity of Tommy after bouncing off Joe. We found that he bounces off Joe at a speed of 5.9451 m/s.
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When the price of a certain product is $40, 25 items can be sold. When the price of the same
product costs $20, 185 items can be sold. On the other hand, when the price of this product
is $40, 200 items will be produced. But when the price of this product is $20, only 100 items
will be produced. Use this information to find supply and demand functions (assume for
simplicity that the functions are linear), and compute the consumer and producer surplus at
the equilibrium price
Based on the information, the equilibrium price is $56.67
How to calculate the equillbriumUsing the first data point, we have:
25 = a - 40b
Using the second data point, we have:
185 = a - 20b
Solving these two equations simultaneously, we get:
a = 325
b = 5/2
So the demand function is:
Qd = 325 - 5/2 P
the supply function is:
Qs = -100 + 5P
325 - 5/2 P = -100 + 5P
425 = 15/2 P
P = $56.67
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Identify the parent function for g(x) = (x + 3)^2 and describe the transformation.
The resulting graph of g(x) will resemble the graph of f(x), but it will be stretched vertically and pushed leftward by three units.
What is function?Each element of a set (referred to as the domain) is mapped by a rule known as a function to a particular element of this other set (called the range). A function is, in other words, a connection between two subsets in which every member of the domain has a unique relationship to every element of the range. One popular approach to write a function is via function notation, which entails writing the function name surrounded by the incoming signal in parentheses, as in the following example: f (x). For instance, the formula f(x) = 2x + 1 takes the input x and produces the result 2x + 1.
given,
The fundamental quadratic function f(x) = x² serves as the parent function for g(x) = (x + 3)².
Since the argument of the function (x + 3) is x shifted left by 3 units, the graph of f(x) is horizontally displaced to the left by 3 units.
Given that the coefficient of the squared term is 1, the graph of the resulting function is shifted up by a factor of 1.
As a result, the transformation can be represented as a 3 unit horizontal shift and a 1 unit vertical stretch.
The resulting graph of g(x) will resemble the graph of f(x), but it will be stretched vertically and pushed leftward by three units.
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Line m passes through the points (-4, 3) and (-4, 7). What is the slope of the line that is parallel to line m? Show all of your work for full credit
The slope of desired parallel line is undefined.
How to find slope of a line?Given two points [tex](-4, 3)[/tex] and [tex](-4, 7)[/tex], we can see that both points have the same x-coordinate, which means that they lie on a vertical line parallel to the y-axis. Since the slope of a vertical line parallel to the y-axis is undefined, we can say that the slope of line m is undefined.
To find the slope of a line that is parallel to line m, we can use the fact that parallel lines have the same slope. Since the slope of line m is undefined, any line parallel to it will also have an undefined slope.
Therefore, the slope of the line that is parallel to line m is undefined.
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What’s the answer? I need help pls help me
Answer:
Step-by-step explanation:
EX. in function f(x) = 2 cos x -2
The first 2 is your amplitute, how high from middle line it goes
the last 2 is the shift in y direction.
For f(x) = 2 cos x -2 (see image for this function)
it has been shifted down 2 and has a period
At [tex]\pi[/tex] your function has a solution of -4
The first blank is f(x) = cos x+2
Second blank is f(x) = cos x -2
Don buys a car valued at $23,000. When the car was new, it sold for $30,000. If the car depreciates exponentially at a rate of 6% per year, about how old is the car?
Answer:
Around 3 years
Step-by-step explanation:
6% of 30000 is 1800. I subtracted 1800 from 30000 until it got down too 24000 so im assuming that's how old
use 3.14 to approximate pi the options are
a) 32
b) 49.12
c) 36.56
d)25.12
e) 41.12
f ) 10.21
Answer:
E
Step-by-step explanation:
This figure contains a square and a quarter of a circle
The perimeter is the sum of all side lengths
Let's find the circumference of the quarter of a circle:
[tex]0.25c = 2\pi \times r[/tex]
The diameter is equal to a square's side length:
d = 8
hence, r = 0,5 × 8 = 4
[tex]0.25c = 2 \times 3.14 \times 4 = 25.12[/tex]
Now, we can find the perimeter:
P = 25,12 + 8 + 8 = 41,12
Six friends are selling crafts at a flea market. they each need to pay $7. 20 to pay
for the table rental. they each sell 3 items. if every item is the same price, and the
6 friends make a total profit of $25. 20, what was the sale price of each item?
To find the sale price of each item, we need to use some basic algebra. Let's call the sale price of each item "x".
First, we need to find the total cost of the table rental for all six friends. Since each friend needs to pay $7.20, the total cost of the table rental is 6 * $7.20 = $43.20.
Next, we need to find the total revenue from selling the items. Each friend sells 3 items, so the total number of items sold is 6 * 3 = 18. The total revenue is the number of items sold multiplied by the sale price, so the total revenue is 18x.
We know that the total profit is $25.20, which is the total revenue minus the total cost of the table rental. So we can set up the equation:
18x - $43.20 = $25.20
Simplifying this equation, we get:
18x = $68.40
Dividing both sides by 18, we get:
x = $3.80
Therefore, the sale price of each item is $3.80.
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For each problem, determine what will happen to the first factor.
10x1/2
15 x 7/2
Answer:
52.5
Step-by-step explanation:
15×7=105÷2
=52.5 ans it means fifteen times seven divided by two
Find two vectors in opposite directions that are orthogonal to the vector u.
u = 1/4 i - 4/5j
Two vectors in opposite directions that are orthogonal to u are v = 5i + 4j and w = -4i + 5j.
To find two vectors in opposite directions that are orthogonal to u, we need to use the cross product. The cross product of two vectors is a vector that is perpendicular to both of them. We can choose any two non-collinear vectors as long as they are orthogonal to each other and the given vector.
Let's find the cross product of u and a vector v. The cross product of two vectors a and b is given by:
a x b = |a| |b| sinθ n
where |a| and |b| are the magnitudes of the vectors, θ is the angle between them, and n is a unit vector perpendicular to both a and b in the direction given by the right-hand rule.
Since we want v to be orthogonal to u, we need to choose v such that u x v = 0. This means that the angle between u and v is either 0 or 180 degrees, and |v| is arbitrary.
Let v = 5i + 4j. Then, we have:
u x v = (1/4 i - 4/5j) x (5i + 4j)
= (-16/20)i - (5/20)j + (1/20)k
= (-4/5)i - (1/4)j + (1/20)k
Since u x v is not equal to zero, v is not orthogonal to u. To find another vector that is orthogonal to u, we can take the cross product of u and w, where w = -4i + 5j. Then, we have:
u x w = (1/4 i - 4/5j) x (-4i + 5j)
= (-5/20)i + (16/20)j + (1/20)k
= (-1/4)i + (4/5)j + (1/20)k
Since u x w is also not equal to zero, we need to adjust the signs of v and w to make them orthogonal to u. We can do this by taking the opposite of v and w. Therefore, two vectors in opposite directions that are orthogonal to u are v = 5i + 4j and w = -4i + 5j.
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someone help please 30 points
The difference in masses is equal to 1,728 grams.
How to calculate the volume of a rectangular prism?In Mathematics and Geometry, the volume of a rectangular prism can be calculated by using the following formula:
Volume of a rectangular prism = L × W × H
Where:
L represents the length of a rectangular prism.W represents the width of a rectangular prism.H represents the height of a rectangular prism.By substituting the given dimensions (parameters) into the formula for the volume of a rectangular prism, we have the following;
Volume of rectangular prism = 9 × 3 × 8
Volume of rectangular prism = 216 cm³.
Mass of gold = density × volume
Mass of gold = 19.3 × 216
Mass of gold = 4,168.8 grams.
Mass of lead = 11.3 × 216
Mass of lead = 2,440.8 grams.
Difference in masses = 4,168.8 grams - 2,440.8 grams.
Difference in masses = 1,728 grams.
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Evaluate the line integral JF. dr where F = (-2 sin x, 2 cos y, 6zx) and C is the path given by r(t) = (3t^3, -3t^2, -3t) for 0 <= t <= 1
To evaluate the line integral JF.dr, where F = (-2 sin x, 2 cos y, 6zx) and C is the path given by r(t) = (3t^3, -3t^2, -3t) for 0 <= t <= 1, we first need to parameterize F and r in terms of t.
For F, we have:
F = (-2 sin x, 2 cos y, 6zx) = (-2 sin (3t^3), 2 cos (-3t^2), 6(3t^3)(-3t)) = (-2 sin (3t^3), 2 cos (3t^2), -54t^4)
For r, we already have the parameterization:
r(t) = (3t^3, -3t^2, -3t)
Now we can use the formula for the line integral:
JF.dr = ∫(F dot dr)
= ∫(-2 sin (3t^3) dx + 2 cos (3t^2) dy - 54t^4 dz)
= ∫(-18t^2 cos (3t^2) + 18t^2 cos (3t^2) - 54t^4) dt
= ∫(-54t^4) dt
= -9t^5 + C
Evaluating this expression for t = 1 and t = 0, we get:
JF.dr = (-9(1)^5 + C) - (-9(0)^5 + C)
= -9 + 9
= 0
Therefore, the line integral JF.dr evaluated along the path given by r(t) = (3t^3, -3t^2, -3t) for 0 <= t <= 1 is equal to 0.
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A museum charges 12. 50 admission Each special  sip it cost extra 2. 00 Write an expression that represents the cost in dollars of admission to the museum including admittance to n special exhibits.
The expression that represents the cost, in dollars, of admission to the museum including admittance to n special exhibits can be written as 12.50 + 2n
Here, 12.50 is the base admission cost without any special exhibit, and 2n represents the cost of n special exhibits, where each exhibit costs an extra $2.00.
By multiplying the number of special exhibits, n, by $2.00, we get the total cost of special exhibits, which we can then add to the base admission cost to get the total cost of admission to the museum including admittance to n special exhibits.
For example, if someone wants to visit the museum and see 3 special exhibits, the cost of admission would be:
12.50 + 2(3) = 12.50 + 6 = $18.50
Therefore, the expression 12.50 + 2n represents the total cost of admission to the museum including admittance to n special exhibits.
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Complete question is:
A museum charges $12.50 for admission. Each special exhibit costs an extra $2.00. Part A Write an expression that represents the cost, in dollars, of admission to the museum including admittance to n special exhibits
A rocket is launched upward. Its height h (t) in feet after t seconds, is modeled by the function h (t)=80t-16t^2.
which is the domain of h(t)?
A all real numbers greater than 0
B all real numbers greater than 0 and less than 5
C all real numbers greater than 0 and less than 16
D all real numbers greater than 0 and less or equal to 5
E all real numbers greater than 0 and less than or equal to 16â
The domain of a function is the set of all possible inputs for the function. In this case, the function is h(t)=80t-16t². Since time cannot be negative, the domain of h(t) is all real numbers greater than 0. Then, required answer for the provided question is Option A.
To evaluate the maximum height reached by the rocket, now to calculate the derivative of the function h(t)=80t-16t² and set it equal to zero.
This will provide the time at which the rocket reaches its maximum height. Therefore, here we can place time back into the original function to evaluate the maximum height.
h(t)=80t-16t²
h'(t)=80-32t
0=80-32t
32t=80
t=2.5 seconds
Then the rocket touches its maximum height after 2.5 seconds.
To evaluate the maximum height, place t=2.5 into h(t):
h(2.5)=80(2.5)-16(2.5)²
=100 feet
Hence, the maximum height touched by the rocket is 100 feet.
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25 points help asap
will mark brainiest
select the correct answer from each drop-down menu.
a lake currently has a depth of 30 meters. as sediment builds up in the lake, its depth decreases by 2% per year
this situation represents _____
the rate of growth or decay,r, is equal to _____
so the depth of the lake each
year is ______ times the depth in the previous year,
it will take between _____
years for the depth of the lake to reach 26. 7 meters
It will take approximately 5.28 years for the depth of the lake to reach 26.7 meters.
How to find the lake depth decay?The situation represents decay because the depth of the lake decreases over time.
The rate of growth or decay, r, is equal to -0.02 (negative because it represents a decrease of 2% per year).
So the depth of the lake each year is 0.98 times the depth in the previous year (100% - 2% = 98%).
To find the number of years it will take for the depth of the lake to reach 26.7 meters, we can use the formula for exponential decay:
26.7 = 30 *[tex](0.98)^n[/tex]
Solving for n, we get:
[tex](0.98)^n = \frac{26.7 }{ 30}[/tex]
n =[tex]log\frac{(\frac{26.7}{30}) }{ log(0.98)}[/tex]
Using a calculator, we find n ≈ 5.28 years.
Therefore, it will take approximately 5.28 years for the depth of the lake to reach 26.7 meters.
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Regina writes the expression y + 9 x 3/4. Which expression is equivalent to the one Regina writes?
The expression that is equivalent to the one Regina wrote is y + 27/4
Which expression is equivalent to the one Regina wrote?From the question, we have the following parameters that can be used in our computation:
y + 9 x 3/4
This means that
Expression = y + 9 x 3/4
When expanded, we have
Expression = y + 27/4
Using the above as a guide, we have the following:
The expression that is equivalent to the one Regina wrote is y + 27/4
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The path r(t)=(t) i+(3t2+5) j describes motion on the parabola y=3x2+5. Find the particles velocity and acceleration vectors at t=5
The particle's velocity vector at t=5 is v(5) = 1i + 30j, and the acceleration vector at t=5 is a(5) = 0i + 6j.
To find the particle's velocity, we take the derivative of the path r(t) with respect to time:
v(t) = r'(t) = i + 6t j
Substituting t=5, we get:
v(5) = 1i + 30j
To find the particle's acceleration, we take the derivative of the velocity with respect to time:
a(t) = v'(t) = 0i + 6j
Substituting t=5, we get:
a(5) = 0i + 6j
Note that the acceleration vector is constant, which is expected since the particle is moving along a parabolic path, and the curvature of the path remains constant.
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Hunter needs 10 ounces of a snack mix that is made up of seeds and dried fruit. the
seeds cost $1.50 per ounce and dried fruit costs $2.50 per ounce. hunter has $22
to spend and plans to spend it all.
let x = the amount of seeds
let y = the amount of dried fruit
part 1: create a system of equations to represent the scenario. (2 points)
part 2: solve your system using any method. write your answer as an ordered pair. (2
points)
Hunter needs 3 ounces of seeds and 7 ounces of dried fruit, which will cost him $22 in total. The system of equations is 1.5x + 2.5y = 22 and x + y = 10. The solution is (x,y) = (3,7).
The total amount of snack mix required is 10 ounces. So, the sum of the amount of seeds and dried fruit should be 10.
x + y = 10 ---(Equation 1)
The cost of seeds is $1.50 per ounce and the cost of dried fruit is $2.50 per ounce. The total cost of snack mix should be $22.
1.50x + 2.50y = 22 ---(Equation 2)
To solve the system, we can use substitution method. Solving Equation 1 for y, we get
y = 10 - x
Substituting this value of y in Equation 2, we get
1.5x + 2.5(10 - x) = 22
Simplifying and solving for x, we get
1.5x + 25 - 2.5x = 22
-x = -3
x = 3
So, Hunter needs 3 ounces of seeds and 7 ounces of dried fruit to make 10 ounces of snack mix with a total cost of $22.
The ordered pair is (3, 7).
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You complete two events of a triathlon. Your goal is to finish with an overall time of less than 100 minutes.
a. Select an inequality that represents how many minutes x
you can take to finish the running event and still meet your goal. Then solve the inequality.
18. 2+45. 4+x<100
18. 2
+
45. 4
+
x
<
100
18. 2+45. 4+x<100
18. 2
+
45. 4
+
x
<
100
x+18. 2+45. 4≤100
x
+
18. 2
+
45. 4
≤
100
x plus 18 point 2 plus 45 point 4 is less than or equal to 100
18. 2+x+45. 4>100
18. 2
+
x
+
45. 4
>
100
18 point 2 plus x plus 45 point 4 is greater than 100
45. 4+18. 2+x≥100
45. 4
+
18. 2
+
x
≥
100
45 point 4 plus 18 point 2 plus x is greater than or equal to 100
Question 2
The solution is.
Question 3
b. The running event is 3. 1 miles long. Suppose it takes you 8 minutes to run a mile. Would this time allow you to reach your goal? Explain your reasoning.
At 8 minutes per mile, it would take you minutes to run 3. 1 miles.
Question 4
You meet your goal because your total running time added to your swimming and biking times less than 100 minutes.
23 of 24 answered
check answer
Since 24.8 minutes is less than 36.4 minutes, you would still meet your goal because your total running time added to your swimming and biking times is less than 100 minutes.
The inequality that represents how many minutes x you can take to finish the running event and still meet your goal is: 18.2 + 45.4 + x < 100. To solve for x, we need to isolate it on one side of the inequality:
18.2 + 45.4 + x < 100
x < 100 - 18.2 - 45.4
x < 36.4
Therefore, you can take no more than 36.4 minutes to finish the running event and still meet your goal of finishing with an overall time of less than 100 minutes.
For question 3, if it takes 8 minutes to run a mile and the running event is 3.1 miles long, it would take you 24.8 minutes to complete the running event. This time is less than the maximum time of 36.4 minutes that you can take to still meet your goal, so yes, this time would allow you to reach your goal.
For question 4, the statement is just reiterating the goal mentioned in the first sentence, that your overall time for all three events must be less than 100 minutes. It confirms that you have met your goal by stating that your total running time added to your swimming and biking times is less than 100 minutes.
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Unit 7 polygons and quadrilaterals homework 4 rectangles
Find the missing measures.
To find the missing measures of a rectangle, we should know that all rectangles have four sides, and each side has a length.
If we have a quadrilateral like a rectangle with four angles, all the angles must be 90 degrees. We need to use the properties of rectangles to find the missing measures of a rectangle. We will find the length of each side first. The length of all sides of a rectangle should be the same. Then, we will calculate the area of the rectangle by multiplying the length of one side by the length of the other side.
Finally, to find the missing measures we will use the Pythagoras Theorem. The Pythagoras Theorem states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides. Using this theorem, we can find the length of the hypotenuse of the rectangle.
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The complete question is " If each quadrilateral is given, then define the steps to find the missing measures of a rectangle."