mandy finished editing 38% of a book in five days. if the book is 300 pages long, how many pages did mandy finish so far

Answer:

I think it is 8 oranges for around $2 if you round, so it could be 9 or 10?

Considering the graph of g(x) which is a transformation of the graph of

f(x) = 3ˣ, the equation for g(x) is

g(x) = 3ˣ ⁺ ¹- 2

Translation say x units to the left is represented by positive x units while to the right is represented by negative x values. the left and right translation is restricted to the x values.

Translation say x units up is represented by positive x units while to the down is represented by negative x values. the top and down translation is restricted to the y values or the function itself.

The transformation of f(x) = 3ˣ include

translation 1 unit to the left = x + 1 putting to the equation yields 3ˣ ⁺ ¹

translation 2 units to the down = "the equation itself" - 1 putting to the equation yields 3ˣ ⁺ ¹- 2

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The coordinate system that is an extension of the terrestrial coordinate system on the celestial sphere is called the celestial coordinate system.

The coordinate system that is an extension of the terrestrial coordinate system onto the celestial sphere is known as the celestial coordinate system.

The celestial coordinate system is used to locate and describe objects in the sky, such as stars, planets, and other celestial bodies.

Similar to the terrestrial coordinate system, the celestial coordinate system utilizes a set of coordinates to specify the position of an object. However, due to the spherical nature of the celestial sphere, the celestial coordinate system has some differences.

In the celestial coordinate system, the celestial sphere is divided into two main components: the celestial equator and the celestial poles.

The celestial equator is an imaginary circle that represents the projection of the Earth's equator onto the celestial sphere. It divides the celestial sphere into the northern and southern celestial hemispheres.

To specify the position of an object in the celestial coordinate system, two primary coordinates are used:

declination (DEC) and right ascension (RA).

Declination is similar to latitude and measures the angular distance of an object north or south of the celestial equator, while right ascension is similar to longitude and measures the angular distance of an object eastward from a reference point known as the vernal equinox.

With the celestial coordinate system, astronomers and stargazers can precisely locate and track celestial objects across the sky, enabling them to study and explore the vastness of the universe.

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The equation f(x) = 2x - 9 translated 6 units up, then the equation g(x) = 2x-3

The equation is

f(x) = 2x - 9

Then it is translated 6 units up

The translation is the process of moving the shape to left/right of up or down. During the translation process the shape and size of the graph will not change. In translation we are only changing the coordinates of the points of the shape.

Here it is translated 6 units up.

During the upward motion it will be positive

g(x) = f(x) + 6

Substitute the value of f(x)

g(x) = 2x-9 + 6

g(x) = 2x-3

Hence, the equation f(x) = 2x - 9 translated 6 units up, then the equation g(x) = 2x-3

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Answer:

x=16

Step-by-step explanation:

Heres the work below

Hope this Helps

Simplifying the expression, we get: ∫(49 - 5x^2) dx ∫(3x^2 - 1) dx = (44/3)x^3 + 48x + C

what is integration?

Integration is a fundamental concept in calculus that involves finding the integral of a function. The integral of a function is essentially the opposite of differentiation, and it involves finding the area under the curve of the function.

we have:

∫(a - bx^2) dx = ax - (b/3)x^3 + C

where C is the constant of integration.

Applying this formula to the first integral, we have:

∫(49 - 5x^2) dx = 49x - (5/3)x^3 + C1

where C1 is the constant of integration for the first integral.

Similarly, applying Theorem 8.2 to the second integral, we have:

∫(3x^2 - 1) dx = x^3 - x + C2

where C2 is the constant of integration for the second integral.

Therefore, the indefinite integral of the given expression is:

∫(49 - 5x^2) dx ∫(3x^2 - 1) dx = 49x - (5/3)x^3 + C1 + x^3 - x + C2

where C = C1 + C2 is the constant of integration for the entire expression.

Therefore Simplifying the expression, we get:

∫(49 - 5x^2) dx ∫(3x^2 - 1) dx = (44/3)x^3 + 48x + C

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The sequence for the cost of bracelet in dollars = $0, $3, $6, $9 and $12.

Also the sequence for the cost of necklace is = $0, $6, $12, $18, $24.

The column given concerning the products contains the following amounts of products such as 0, 1, 2, 3, and 4 pieces.

Therefore to calculate the amount to be used to buy each product of bracelet and necklace in each column multiplication is carried out.

That is, 0×3, 1 ×3, 2×3, 3×3, and 4×3

which is = $0, $3, $6, $9 and $12 respectively for the bracelet.

0×6, 1 ×6, 2×6, 3×6, and 4×6

Which is = $0, $6, $12, $18, $24. respectively for the necklace.

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No, this is not a function because it does not have any equal values.

The solutions of provide logarithmic equations are present in below :

1) x = 9 ; 2) x = 0 ; 3)p = 7/9 ; 4) k= 2 ; 5) a= -1 ; 6) r = -1/2 ; 7) n = 2 ; 8) x = 1/35 ; 9) m = -2 ; 10) x = 84 ; 11) v = -6, -6 ; 12) x = -4, -7

The logarithmic number is associated with exponent and power, such that if xⁿ = m, then it is equal to logₓ m = n. That is exponential value are inverse of logarithm values. Some basic properties of logarithmic numbers:

Now, we solve each logarithm equation one by one. Assume that 'log' is the base-10 logarithm where absence of base.

1) log (5x) = log (2x + 9)

Exponentiate both sides

=> 5x = 2x + 9

=> 3x = 9

=> x = 9

2) log (10 − 4x) = log (10 − 3x)

Exponentiate both sides,

=> 10 - 4x = 10 - 3x

simplify, => x = 0

3) log (4p − 2) = log (−5p + 5)

Exponentiate both sides,

=> 4p - 2 = - 5p + 5

simplify, => 9p = 7

=> p = 7/9

4) log (4k − 5) = log (2k − 1)

Exponentiate both sides,

=> 4k - 5 = 2k - 1

simplify, => 2k = 4

=> k = 2

5) log (−2a + 9) = log (7 − 4a)

Exponentiate both sides,

=> - 2a + 9 = 7 - 4a

simplify, => 2a = -2

=> a = -1

6) 2log₇( −2r) = 0

=> log₇( −2r) = 0

using the property, log꜀a = n <=> cⁿ = a

=> ( 7⁰) = - 2r

=> -2 × r = 1 ( since a⁰ = 1 )

=> r = -1/2

7) −10 + log₃(n + 3) = −10

=> log₃(n + 3) = −10 + 10 = 0

using the property, log꜀a = n <=> cⁿ = a

=> 3⁰ = n + 3

=> 1 = n + 3

=> n = 2

8) −2log₅ ( 7x ) = 2

=> log₅ 7x = -1

=> 5⁻¹ = 7x

=> x = 1/35

9) log( −m) + 2 = 4

=> log( −m) = 2

Exponentiate both sides,

=> -m = 2

=> m = -2

10) −6log₃ (x − 3) = −24

simplify, log₃ (x − 3) = 4

=> (x - 3) = 3⁴ ( since log꜀a = n <=> cⁿ = a )

=> x - 3 = 81

=> x = 84

11) log₁₂ (v²+ 35) = log₁₂ (−12v − 1)

=> log₁₂ (v²+ 35) - log₁₂ (−12v − 1) = 0

Using the quotient property of logarithm,

\(log_{12}( \frac{v²+ 35}{-12v-1}) = 0 \)

\(\frac{v²+ 35}{-12v - 1} = {12}^{0} = 1 \)

\(v²+ 35 = −12v − 1\)

\(v²+ 35 + 12v + 1 = 0\)

\(v²+12v + 36 = 0\)

which is a quadratic equation, and solve it by middle term splitting method,

\(v²+ 6v + 6v + 36= 0\)

\(v(v + 6) + 6(v + 6)= 0\)

\((v + 6) (6 + v)= 0\)

so, v = -6, -6

12) log₉(−11x + 2) = log₉ (x²+ 30)

=> log₉ (x²+ 30) - log₉(−11x + 2) = 0

Using the quotient property of logarithm,

\(log₉(\frac{x²+ 30 }{−11x + 2}) = 0\)

\( \frac{x²+ 30}{-11x + 2} ={9}^{0} = 1 \)

=> x² + 30 = - 11x + 2

=> x² + 11x + 30 -2 = 0

=> x² + 11x + 28 = 0

Factorize using middle term splitting,

=> x² + 7x + 4x + 28 = 0

=> x( x + 7) + 4( x + 7) = 0

=> ( x + 4) (x+7) = 0

=> either x = -4 or x = -7

Hence, required solution is x = -4, -7.

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Complete question:

kuta software infinite algebra 2 logarithmic equationsSolve each equation.

1) log 5x = log (2x + 9)

2) log (10 − 4x) = log (10 − 3x)

3) log (4 − 2) = log (−5 p + 5)

4) log (4k − 5) = log (2k − 1)

5) log (−2a + 9) = log (7 − 4a)

6) 2log₇ −2r = 0

7) −10 + log₃(n + 3) = −10

8) −2log₅ 7x = 2

9) log −m + 2 = 4

10) −6log₃ (x − 3) = −24

11) log₁₂ (v²+ 35) = log₁₂ (−12v − 1)

12) log₉(−11x + 2) = log₉ (x²+ 30)

Answer:

There are 4 possible scenarios where given relation could not be a function:

i)  \((-1, 4), (0,4), (2,5), (3,-6), (-1, 7)\)

ii) \((-1, 4), (0,4), (2,5), (3,-6), (0, 7)\)

iii) \((-1, 4), (0,4), (2,5), (3,-6), (2, 7)\)

iv) \((-1, 4), (0,4), (2,5), (3,-6), (3, 7)\)

Step-by-step explanation:

From Function Theory, we remember that a relation is not a function when at least one element from domain (x-coordinate) is related to one or more elements from range (y-coordinate). Hence, there are four possibilities of making the relation not a function:

i)  \((-1, 4), (0,4), (2,5), (3,-6), (-1, 7)\)

ii) \((-1, 4), (0,4), (2,5), (3,-6), (0, 7)\)

iii) \((-1, 4), (0,4), (2,5), (3,-6), (2, 7)\)

iv) \((-1, 4), (0,4), (2,5), (3,-6), (3, 7)\)

Answer:

algebraic expression. An expression that contains at least one variable, at least one numbers and at least one operation.

Step-by-step explanation:

Answer:

expressions

Step-by-step explanation:

this is how a definition in a textbook would be written. they just put a blank in

The probability of having a travel credit card is 0.5 is about 66.76 million lira or 33,380 euros.

(a) The estimated model equation is:

log(p/1-p) = -3.5561 + 0.0532*income

where p is the probability of having a travel credit card.

(b) The sign of ß (0.0532) is positive, which means that there is a positive relationship between income and the probability of having a travel credit card. As income increases, the probability of having a travel credit card also increases.

(c) To find the income level at which the probability of having a travel credit card is 0.5, we can set p = 0.5 in the model equation and solve for income:

log(0.5/1-0.5) = -3.5561 + 0.0532*income

0 = -3.5561 + 0.0532*income

income = 3.5561/0.0532

income = 66.76

Therefore, according to the estimated model equation, the income level at which the probability of having a travel credit card is 0.5 is about 66.76 million lira or 33,380 euros.
(a) The estimated model equation is given by:

log(p / (1 - p)) = -3.5561 + 0.0532 * Income

where p is the probability of having a travel credit card and Income is the annual income in millions of lira.

(b) The sign of ß (the coefficient of Income) is positive, which indicates that as the annual income increases, the probability of having a travel credit card also increases.

(c) To find the income level where the probability is 0.5, we need to solve the equation:

log(0.5 / (1 - 0.5)) = -3.5561 + 0.0532 * Income

0 = -3.5561 + 0.0532 * Income

Income = 3.5561 / 0.0532 ≈ 66.86 million lira

So, the probability of having a travel credit card is 0.5 when the annual income is approximately 66.86 million lira.

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a. When evaluating a model, we use R2 as a parameter for performance assessment.

b. If model A has a higher MAPE but model B has a higher R2, we choose the model with the higher R2 for better overall performance.

c. For accuracy measures, we typically use MAPE (Mean Absolute Percentage Error) due to its interpretability and ability to capture relative errors.

When evaluating a model's performance, it is crucial to choose the appropriate parameters to assess its accuracy and reliability. In the case of MAPE (Mean Absolute Percentage Error) and R2 (Coefficient of Determination), the choice between them depends on the specific evaluation goals.

The R2 parameter is commonly used for evaluating models because it measures the proportion of the dependent variable's variance that can be explained by the independent variables. R2 provides insights into how well the model fits the data and captures the relationship between the input features and the target variable. Therefore, R2 is a suitable parameter to use when evaluating a model.

When comparing two models, if model A has a higher MAPE but model B has a higher R2, it is advisable to choose the model with the higher R2 value. This is because R2 indicates the proportion of variance explained, suggesting that model B performs better in capturing the underlying patterns and predicting the target variable.

Although model A may have a lower relative error (MAPE), it is crucial to prioritize the model's ability to explain and predict the target variable accurately.

Among MAPE, MAD (Mean Absolute Deviation), and MSD (Mean Squared Deviation), MAPE is commonly preferred as a parameter for accuracy measures. MAPE calculates the average percentage difference between the predicted and actual values, making it interpretable and easily understandable.

It captures relative errors and enables comparisons across different scales and datasets. MAD and MSD, on the other hand, measure absolute and squared errors, respectively, but they do not account for the relative magnitude of the errors. Hence, MAPE is a more suitable parameter for accuracy measures.

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Answer:

Karthik goes to office at 09.30 and returns back at 18:00. His lunch timings are 12:00 to 12:45

a. Ashley would need to invest approximately $49,302.55 in one lump sum today. b. Ashley would need to put away approximately $9,167.42 annually to accumulate the required capital in 6 years. c. Ashley already has $20,000 saved, she would need to put away approximately $6,111.57 annually to accumulate the required capital in 6 years.

a. To determine how much Ashley would need to invest today, in one lump sum, to end up with $70,000 in 6 years, we can use the future value formula:

Future Value (FV) = Present Value (PV) * (1 + interest rate)^time

In this case, FV = $70,000, interest rate = 7% (0.07), and time = 6 years. Plugging in these values into the formula, we can solve for PV:

$70,000 = PV * \((1 + 0.07)^6\)

PV = $70,000 /\((1.07)^6\)

PV ≈ $49,302.55

Therefore, Ashley would need to invest approximately $49,302.55 in one lump sum today.

b. If Ashley is starting from scratch, we need to calculate how much she would have to put away annually to accumulate the needed capital in 6 years. This can be calculated using the present value of an ordinary annuity formula:

PV = Annual Payment * [(1 - (1 + interest rate)^(-time)) / interest rate]

In this case, PV = $70,000, interest rate = 7% (0.07), and time = 6 years. Plugging in these values, we can solve for the annual payment:

$70,000 = Annual Payment *\([(1 - (1 + 0.07)^(-6)) / 0.07]\)

Annual Payment ≈ $9,167.42

Therefore, Ashley would need to put away approximately $9,167.42 annually to accumulate the required capital in 6 years.

c. If Ashley already has $20,000 saved, we can subtract this amount from the required capital and calculate the annual payment for the remaining amount:

Remaining Amount = Required Capital - Initial Savings

Remaining Amount = $70,000 - $20,000 = $50,000

Using the same formula as in part b, we can calculate the annual payment:

$50,000 = Annual Payment\(* [(1 - (1 + 0.07)^(-6)) / 0.07]\)

Annual Payment ≈ $6,111.57

Therefore, if Ashley already has $20,000 saved, she would need to put away approximately $6,111.57 annually to accumulate the required capital in 6 years.

d. Ashley can use an investment plan to help reach her objective by following these steps:

- Set a specific financial goal, such as accumulating $70,000 in 6 years.

- Determine the required investment amount, whether it's a lump sum or an annual payment.

- Consider her risk tolerance and investment options. Since she estimates a 7% return, she can explore various investment vehicles like stocks, bonds, mutual funds, or other investment instruments.

- Develop an investment plan that aligns with her financial goals and risk tolerance. This plan may involve diversifying her investments, considering different time horizons, and regularly monitoring her progress.

- Continuously track the performance of her investments and make adjustments if needed.

- Stay disciplined and committed to her investment plan, making regular contributions or adjusting investments as necessary to reach her desired capital.

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Answer:

The answer for this is x=-5

Answer:

x=-5

Step-by-step explanation:

-4x+1=21

move the 1 to the right side and subract it so it will turn into -4x=20

divide -4 to get the x by itself and then you will get x=20/-4 this will now divide and be x=-5

Answer:

<C = 54 degrees

b = 123.6

a = 72.6

Step-by-step explanation:

<C = 180 - 90 - 36 = 54 degrees

b = 100/sin54 = 123.6

a = sqrt (123.6^2 - 100^2) = 72.6

Answer:

300 seconds

Step-by-step explanation:

The first dog run at v₁ = 15 m/sec     the second one run at  v₂ = 12 m/sec

we know that  d = v*t  then  t  =  d/v

Then the first dog will take  300/ 12  =  25 seconds to make a turn

The second will take   300 / 15   =   20 seconds to make a turn

Then the first dog in 12 turns 12*25 will be at the start point, and so will the second one at the turn 15.

To check  first dog    12 *  25 = 300

And the second dog 15 * 20 = 300

That means that time required for the two dogs to be at the start point together is

300 seconds, in that time the first dog finished the 12 turns, and the second had ended the 15.

Another procedure to solve this problem is as follows:

between  12  m/sec and  15 m/sec   the minimum common multiple  is 300 ( 300 is the smaller number that accept 12 and 15 as factors         12*15 = 300) Then when time arrives at 300 seconds the two dogs will be again in the starting point

The volume of the pyramid is approximately 5.9 cm³.

To find the volume of a pyramid with a square base, you can use the formula:

Volume = (1/3) * base area * height

First, let's find the area of the square base. The perimeter of the base is given as 5.7 cm, which means each side of the square has a length of 5.7 cm / 4 = 1.425 cm.

The area of a square is given by the formula:

Area = side length * side length

Substituting the side length, we have:

Area = 1.425 cm * 1.425 cm = 2.030625 cm²

Now, we can calculate the volume of the pyramid:

Volume = (1/3) * base area * height

= (1/3) * 2.030625 cm² * 8.6 cm

= 5.91834375 cm³

Rounding to the nearest tenth of a cubic centimeter, the volume of the pyramid is approximately 5.9 cm³.

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Answer:

The expression represents the price you paid per gallon is:

Step-by-step explanation:

To identify the expression is right, I'll show you with an example: suppose that you paid $56 buying 7 gallons of gas, now you can replace those values in the expression I gave you:

And you can check this value by multiplying the price paid by the gallon and the number of gallons, which you obtain the number of dollars you spent:

The argument that the sun will rise tomorrow morning and set tomorrow evening is based on inductive reasoning, using past observations of consistent sunrise and sunset patterns to predict future occurrences.

1. The observation: Throughout your entire life, you have consistently noticed that the sun rises every morning and sets every evening. This is an observation based on personal experience.

2. Inductive reasoning: Based on this observation, you make an inference or prediction about the future. You reason that since the sun has always risen in the morning and set in the evening in the past, it is likely to continue doing so in the future.

3. Pattern and consistency: The assumption is that natural phenomena, such as the rising and setting of the sun, follow a pattern or regularity. This assumption is based on the principle of uniformity of nature, which suggests that the future will resemble the past in terms of natural occurrences.

4. The limitations of inductive reasoning: While inductive reasoning provides a useful way to make predictions based on past observations, it is not foolproof. There is always a small possibility that something unexpected could happen, such as a rare astronomical event or an external factor that alters the pattern. However, based on the available evidence and the consistency of the observed pattern, the prediction that the sun will rise tomorrow morning and set tomorrow evening is highly probable.

In summary, the argument relies on inductive reasoning, using the past consistent observation of the sun's rising and setting to predict that it will continue to do so in the future. While this reasoning is not infallible, it is a reasonable and practical way to make predictions based on observed patterns in nature.

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Answer:

(a). | b - a | = a - b

Step-by-step explanation:

If a > b, then

(a). b - a < 0 ⇒ - ( b - a ) = a - b (true)

(b). \(\frac{a}{b}\) > 0 for some "a" and "b" is true

(c). \(\frac{b}{a}\) > 0 is true for some "a" and "b"

(d). | \(\frac{b}{a}\) | < 0 (false)

(e). | \(\frac{a}{b}\) | > 1 (true if b ≠ 0)

A total of 45 vehicles in the parking are minivans.

Fractions are defined in mathematics as portions of a whole. The entire might be a single thing or a collection of objects. When we cut a slice of cake from the whole thing, the portion is the fraction of the cake. A fraction is a term that comes from Latin. "Fractus" means "broken" in Latin.

The total number of vehicles present in the parking lot= 45 vehicles

Total number of minivans = 3/5th

As for calculating the total number of minivans, we need to determine the value of the (3/5) of the total number of vehicles.

So, the value of total number of minivans = (3/5)*45 = 27

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Answer:

27

Step-by-step explanation:

45 divided by 5 = 9

9 times 3 = 27

The duration for the workout of Plan A is (total hours trained on Tuesday - total hours trained on Monday) / 2, and the duration of Plan B is (total hours trained on Monday - total hours trained on Tuesday) / 2.

Let's assume that Plan A lasts for x hours and Plan B lasts for y hours.

We can set up a system of two linear equations using the information provided:

x + y = hours trained with Plan A and Plan B on Monday

x + y = hours trained with Plan A and Plan B on Tuesday

Adding the two equations together:

2x + 2y = total hours trained on both days

Simplifying this equation, we get:

x + y = total hours trained on both days / 2

We can substitute this expression for x + y in one of the original equations, say the first one:

x + y = hours trained with Plan A and Plan B on Monday

(total hours trained on both days / 2) = hours trained with Plan A and Plan B on Monday

Similarly, we can substitute x + y in the second equation:

(total hours trained on both days / 2) = hours trained with Plan A and Plan B on Tuesday

Now we have two equations with two variables:

x + y = total hours trained on both days / 2

x + y = hours trained with Plan A and Plan B on Monday

Subtracting the second equation from the first, we get:

0 = (total hours trained on both days / 2) - (hours trained with Plan A and Plan B on Monday)

Therefore,

hours trained with Plan A and Plan B on Monday = total hours trained on both days / 2

We can use the same logic to find the hours trained with Plan A and Plan B on Tuesday:

hours trained with Plan A and Plan B on Tuesday = total hours trained on both days / 2

Since we know the total hours trained on both days and the hours trained with Plan A and Plan B on each day, so solving for x and y:

x = hours trained with Plan A and Plan B on Monday - hours trained with Plan A and Plan B on Tuesday

y = hours trained with Plan A and Plan B on Tuesday - hours trained with Plan A and Plan B on Monday

Substituting the expressions we found earlier, we get:

x = (total hours trained on both days / 2) - hours trained with Plan A and Plan B on Tuesday

y = (total hours trained on both days / 2) - hours trained with Plan A and Plan B on Monday

We can simplify these expressions to get:

x = (total hours trained on Tuesday - total hours trained on Monday) / 2

y = (total hours trained on Monday - total hours trained on Tuesday) / 2

Therefore, the duration of Plan A is (total hours trained on Tuesday - total hours trained on Monday) / 2, and the duration of Plan B is (total hours trained on Monday - total hours trained on Tuesday) / 2.

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Answer:

27 km²

Step-by-step explanation:

Surface Area :

Answer:

Total surface area = 27 km²

Step-by-step explanation:

The surface area of a square based pyramid comprises:

Area of a triangle = 1/2 × base × height

                             = 1/2 × 3 × 3

                             = 4.5 km²

Area of a square = (side length)²

                            = 3²

                            = 9 km²

Total surface area = 4 triangles + square base

                              = (4 × 4.5) + 9

                              = 18 + 9

                              = 27 km²

Answer:

To determine the amount of oil needed per cup of water, we need to find the ratio between the oil and water quantities given in the recipe.

According to the recipe:

1/4 cup of oil is required for every 2/3 cup of water.

To find the amount of oil needed per cup of water, we can set up a proportion:

1/4 cup of oil / 2/3 cup of water = x cups of oil / 1 cup of water

To solve for x, we can cross-multiply and then divide:

(1/4) * (1 cup of water) = (2/3) * (x cups of oil)

1/4 = (2/3) * (x cups of oil)

To isolate x, we can multiply both sides of the equation by the reciprocal of (2/3), which is (3/2):

(1/4) * (3/2) = (2/3) * (x cups of oil) * (3/2)

3/8 = (2/3) * (x cups of oil) * (3/2)

Now, let's simplify the equation:

3/8 = x/1

x = 3/8

Therefore, per cup of water, you would need approximately 3/8 cups of oil.

Step-by-step explanation: