What is the solution to the system of
equations graphed below?

a.(-13,-20)
b.(-15,-22)
c.(-1,-8)
d.(-10,-15)

Answer:

Suppose we add up alternate Fibonacci numbers, Fn-1 + Fn+1; that is, what do ... L(1)=1 and L(3)= 4 so their sum is 5 whereas F(2)=1; L(2)=3 and L(4)= 7 so their ... What is the relationship between F(n-2), and F(n+2)? You should be able to find a ... Fib(N); K (an EVEN number!), Lucas(K) and Fib(K) in each expression like ...

i

Step-by-step explanation:

The Wingate Anaerobic Test is used to assess the ATP/CP energy system, the Maximal Anaerobic Power Test is used to assess the glycolytic energy system, and the VO2 max test or Maximal Aerobic Power Test is used to assess the oxidative energy system.

a. To test the ATP/CP energy system, a common test used is the Wingate Anaerobic Test. This test involves a short duration and high-intensity cycling sprint. The individual pedals as fast as possible against a high resistance for 30 seconds. The test measures the peak power output and anaerobic capacity of the ATP/CP system.

b. To test the glycolytic energy system, a common test used is the Maximal Anaerobic Power Test. This test typically involves performing high-intensity exercises, such as a maximal effort sprint or a repeated sprint protocol, with short recovery periods. The test measures the individual's ability to produce energy through the glycolytic system and assesses their anaerobic power and capacity.

c. To test the oxidative energy system, a common test used is the VO2 max test or the Maximal Aerobic Power Test. This test typically involves performing activities such as running on a treadmill or cycling on an ergometer at progressively increasing intensities until exhaustion. The test measures the maximal oxygen uptake (VO2 max) and provides information about an individual's aerobic capacity and endurance performance.

In summary, the Wingate Anaerobic Test is used to assess the ATP/CP energy system, the Maximal Anaerobic Power Test is used to assess the glycolytic energy system, and the VO2 max test or Maximal Aerobic Power Test is used to assess the oxidative energy system.

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Answer:

234

Step-by-step explanation:

Simplify the expression. an=5n-16. Substitute 50 for n. 5(50)-16= 250-16=234

For problems like this, simplifying the equation helps.

Answer:

Not sure, but technically 9y

Step-by-step explanation:

find the average of the lengths. 12 and 6 average 9 together. Then, you multiply it by the height.

NOTE: It is not 1 or 2, because you can't use those to calculate the area.

The required  correct answer is a two-tailed test should be used based on the following data

Explanation:

To determine whether a one-tailed or two-tailed test should be used based on the following data:              

 H0: H = 17,500Ha: # 17,500V = 18,000s = 3000n = 10                                 We must first examine the alternative hypothesis (Ha) to determine whether it is directional (one-tailed) or non-directional (two-tailed).

A directional alternative hypothesis, or a one-tailed test, is a hypothesis that predicts the direction of the difference between the sample mean and the population mean. Ha: < 17,500 or Ha: > 17,500 are examples of a directional hypothesis.

A non-directional alternative hypothesis, or a two-tailed test, is a hypothesis that does not predict the direction of the difference between the sample mean and the population mean.

Ha: ≠ 17,500 is an example of a non-directional hypothesis.Since Ha: # 17,500 is not directional and does not predict the direction of the difference between the sample mean and the population mean, a two-tailed test is required.

Therefore, a two-tailed test should be used based on the following data.

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Step-by-step explanation:

10. a1=3, a2=1, a3=3, a4=1, a5=3

11. a3=2x1=2, a4=2x2=4, a5=4x2=8

hope that helps :)

Step-by-step explanation:

-2,10 is the answer according to my working

Answer:

387.50.

Step-by-step explanation:

a. The replacement free cash flows is $255,000

b.  The Payback Period time required to recover the initial investment is 2.7778 years.

d. By calculating the NPV at various discount rates, we can determine the rate at which NPV is closest to zero.

a. To calculate the replacement free cash flows, we need to consider the cash flows associated with the new fleet of trucks. Here's the calculation:

Initial cash outflow: Purchase cost of new trucks + Shipping cost

= $350,000 + $50,000

= $400,000

Annual cash flows:

Operating cost savings:

Diesel fuel savings: $250,000 - $150,000 = $100,000

Maintenance cost savings: $35,000 - $10,000 = $25,000

Net operating working capital reduction: $20,000

Total operating cost savings per year: $100,000 + $25,000 + $20,000 = $145,000

Revenue increase:

Revenue growth rate: 10%

Year 1 revenue increase: $800,000 * 10% = $80,000

Year 2 revenue increase: $800,000 * 10% = $80,000

Year 3 revenue increase: $800,000 * 10% = $80,000

Year 4 revenue increase: $800,000 * 10% = $80,000

Year 5 revenue increase: $800,000 * 10% = $80,000

Salvage value: Market value of the new trucks at the end of 5 years = $30,000

Free cash flows:

Year 0: Initial cash outflow = -$400,000

Year 1: Cash flow = Operating cost savings + Revenue increase = $145,000 + $80,000 = $225,000

Year 2: Cash flow = Operating cost savings + Revenue increase = $145,000 + $80,000 = $225,000

Year 3: Cash flow = Operating cost savings + Revenue increase = $145,000 + $80,000 = $225,000

Year 4: Cash flow = Operating cost savings + Revenue increase = $145,000 + $80,000 = $225,000

Year 5: Cash flow = Operating cost savings + Revenue increase + Salvage value = $145,000 + $80,000 + $30,000 = $255,000

b. The Payback Period is the time required to recover the initial investment. To calculate it, we sum the cash flows until they equal or exceed the initial investment. Here's the calculation:

Payback Period = Number of years to recover initial investment

= 2 years (Year 1 cash flow + Year 2 cash flow)

+ (Remaining investment / Year 3 cash flow)

= 2 years + ($400,000 - $225,000) / $225,000

= 2 years + 0.7778 years

= 2.7778 years

c. To calculate the Net Present Value (NPV) and Profitability Index (PI), we need to discount the cash flows using the given discount rate of 15%. Here's the calculation:

Discount rate: 15%

Present value factor for each year:

Year 0: 1 / (1 + Discount rate)^0 = 1

Year 1: 1 / (1 + Discount rate)^1 = 0.8696

Year 2: 1 / (1 + Discount rate)^2 = 0.7561

Year 3: 1 / (1 + Discount rate)^3 = 0.6575

Year 4: 1 / (1 + Discount rate)^4 = 0.5718

Year 5: 1 / (1 + Discount rate)^5 = 0.4972

NPV calculation:

NPV = (Year 0 cash flow) + (Year 1 cash flow * Present value factor) + (Year 2 cash flow * Present value factor) + ...

= -$400,000 + ($225,000 * 0.8696) + ($225,000 * 0.7561) + ($225,000 * 0.6575) + ($225,000 * 0.5718) + ($255,000 * 0.4972)

Profitability Index calculation:

PI = NPV / Initial investment

= NPV / $400,000

d. To calculate the Internal Rate of Return (IRR), we find the discount rate that makes the NPV equal to zero. Here's the calculation:

IRR = Discount rate that makes NPV equal to zero

By calculating the NPV at various discount rates, we can determine the rate at which NPV is closest to zero.

e. Based on the information provided, we can determine if the fleet should be replaced by considering the Payback Period, NPV, Profitability Index, and IRR.

If the Payback Period is within the company's acceptable timeframe and the NPV is positive, or the Profitability Index is greater than 1, and the IRR exceeds the company's required rate of return, then replacing the fleet would be financially favorable. If any of these criteria are not met, it would indicate that the replacement may not be the best option.

Please note that the calculation of IRR requires further information, and the final decision should consider additional factors such as qualitative aspects, operational requirements, and strategic considerations.

Without the specific values for cash flows in each year, it is not possible to provide a definitive answer to whether the fleet should be replaced based on the given information.

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Answer:

104

Step-by-step explanation:

:)

Answer:

We can be 95% confident that wind speed decreases, on average, between 1.20 knots and 1.42 knots for each millibar increase in minimum pressure.

Step-by-step explanation:

The computed confidence interval for a certain statistical parameter gives a range of value represented by a minimum value and a maximum value. The α value upon which the value was calculated represents the probability of the estimated value containing the true value of the parameter in question.

The minimum and maximum values represents the range of possible slope parameters, the true value falls in between two negative values, thus we have a negative slope, depicting a decline in one variable and the as the other increases.

From the options above, the most appropriate option is ;

We can be 95% confident that wind speed decreases, on average, between 1.20 knots and 1.42 knots for each millibar increase in minimum pressure.

(i) A complete residue system is described as to  a set of integers that shows  all possible remainders when dividing any integer by a given modulus.

(ii) A primitive root is described as an integer that generates all possible residues modulo a given modulus.

When primitive roots exist, it is often very convenient to use them in proofs and explicit constructions.

Say for example, if p is an odd prime and g is a primitive root mod p, the quadratic residues mod p are precisely the even powers of the primitive root.

Primitive roots also  finds numerous  applications in number theory, cryptography, and discrete mathematics.

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Answer: 2.43m^3

Step-by-step explanation:

Answer: 2.43cm^3

Step-by-step explanation:

PLEASE mark me BRAINIEST! One more until next ranking!

The expression that results when the change of base formula is applied to log4(x+2) is log(x+2) / log(4).

1- Apply the change of base formula to log(x + 2):

log(x + 2) = log(x + 2) / log(10)

2- Apply the change of base formula to log(4):

log(4) = log(4) / log(10)

3- Rewrite the original expression, substituting the step 1 and step 2 results:

log(x + 2) / log(4) = (log(x + 2) / log(10)) / (log(4) / log(10))

4- Simplify by multiplying the numerator and denominator by the reciprocal of log(10):

log(x + 2) / log(4) = (log(x + 2) / log(10)) * (log(10) / log(4))

5- Cancel out log(10) in the numerator and denominator so we get:

     = log(x + 2) / log(4)

Therefore, the expression resulting from applying the change of base formula to log4(x + 2) is log(x + 2) / log(4).

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The measure of angle 8 is 118°, and the measure of the angle opposite to it, angle 6, is 62°.

If lines v and w are parallel and angle 1 (denoted as <1) measures 62°, then angle 8 (denoted as <8) is supplementary to <1 (since they are corresponding angles on the same side of the transversal line) and thus measures 180 - 62 = 118°.

When two straight lines are cut by a transversal line, corresponding angles on the same side of the transversal are equal. Therefore, <8 and <1 are equal in measure. By transitivity, <8 is also equal in measure to the angle that is opposite it and adjacent to <1, which we could denote as <6.

We can apply the same reasoning to find the measure of angle 6. Since line v is parallel to line w, angle 6 and angle 1 are alternate interior angles, and thus are equal in measure. Therefore, <6 also measures 62°, and this is the measure of the angle opposite to angle 8.

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(a) The main theorem states that the sum of terms in the given sequence satisfies the equation n(n+1)/2 for various values of n.

(b) The induction step theorem for n = 64 states that if the main theorem holds for n = k, it also holds for n = k + 1.

(c) The induction step theorem for n = 583 states that if the main theorem holds for n = k, it also holds for n = k + 1.

(d) The induction step theorem for n = N states that if the main theorem holds for n = k, it also holds for n = k + 1.

(e) The combination of the induction step in (d) and verification of base cases in (a) completes the proof of the main theorem for all positive integers.

(a) The main theorem states that for any positive integer n, the sum of the terms k=1 to n of the sequence n(n+1)/2 is equal to n(n+1)/2.

Illustrating the main theorem for different values of n:

For n = 1: The sum is 1(1+1)/2 = 1, which holds true.

For n = 2: The sum is 2(2+1)/2 = 3, which holds true.

For n = 3: The sum is 3(3+1)/2 = 6, which holds true.

For n = 4: The sum is 4(4+1)/2 = 10, which holds true.

For n = 5: The sum is 5(5+1)/2 = 15, which holds true.

For n = 6: The sum is 6(6+1)/2 = 21, which holds true.

For n = 7: The sum is 7(7+1)/2 = 28, which holds true.

(b) The Induction Step Theorem for n = 64 states that if the main theorem holds for n = k, then it also holds for n = k + 1.

To prove it, assume that the main theorem holds for n = k, i.e., the sum of k terms is k(k+1)/2.

Then, we need to show that the sum of (k+1) terms is (k+1)((k+1)+1)/2 = (k+1)(k+2)/2.

By adding the (k+1)th term to the sum of k terms, we get (k(k+1)/2) + (k+1) = (k+1)(k+2)/2, which is the desired result.

(c) The Induction Step Theorem for n = 583 states that if the main theorem holds for n = k, then it also holds for n = k + 1.

To prove it, assume that the main theorem holds for n = k, i.e., the sum of k terms is k(k+1)/2.

Then, we need to show that the sum of (k+1) terms is (k+1)((k+1)+1)/2 = (k+1)(k+2)/2.

By adding the (k+1)th term to the sum of k terms, we get (k(k+1)/2) + (k+1) = (k+1)(k+2)/2, which is the desired result.

(d) The Induction Step Theorem for n = N states that if the main theorem holds for n = k, then it also holds for n = k + 1.

To prove it, assume that the main theorem holds for n = k, i.e., the sum of k terms is k(k+1)/2.

Then, we need to show that the sum of (k+1) terms is (k+1)((k+1)+1)/2 = (k+1)(k+2)/2.

By adding the (k+1)th term to the sum of k terms, we get (k(k+1)/2) + (k+1) = (k+1)(k+2)/2, which is the desired result.

(e) The proof of the induction step in (d) combined with the verification of several base cases in (a) completes the proof of the Main Theorem because it establishes that the theorem holds for all positive integers. The induction step shows that if the theorem holds for any positive integer, it also holds for the next integer. By verifying the base cases, we ensure that the theorem holds for the initial integers. Therefore, by the principle of mathematical induction, the theorem holds for all positive integers.

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Answer:

c

Step-by-step explanation:

Answer:

I think you should go with 3

On the first day of the fiscal year, a company issued a $3,000,000, 11%, five-year bond that pays semiannual interest of $165,000 ($3,000,000 × 11% × ½), receiving cash of $2,889,599.The journal entries are as follows: July 1Cash Dr2895499Discount on Bonds Payable Dr 10501Bond Payable Cr 3,000,000To record issuance of bond July 31

Interest Expense Dr 165001 Discount on Bonds Payable Dr8751Cash Cr173250To record interest payment ($3,000,000 * 11% * 6/12) - $10501 = $165001 - $8751 = $173,250 December 31 Interest Expense Dr 181501 Discount on Bonds Payable Dr 8581Cash Cr 173250To record interest payment ($3,000,000 * 11% * 6/12) - $7670 = $181501 - $8581 = $173,250Amortization of discount for the first interest period is $10,501 ($173,250 - $165,000). The total discount of $10501 is amortized over the life of the bond, and it will be amortized over 10 interest periods ($10501/10) = $1,050 per period. The journal entry for the bond discount amortization would be:July 31Interest Expense Dr165001Discount on Bonds Payable Dr8751Bond Discount Amortization Dr1050Cash Cr173250The following journal entry for bond discount amortization is on December 31:Interest Expense Dr181501Discount on Bonds Payable Dr8581Bond Discount Amortization Dr1198Cash Cr173250This process will continue until the end of the bond life.

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The complete journal entry for the first interest payment and bond discount amortization would be:

Interest expense Dr. $165,000

Bond discount amortization Dr. $5,520

Cash Cr. $168,520 (rounded to the nearest dollar)

Firstly, let's determine the amount of bond discount.

Bond discount is the difference between the face value of a bond and the amount at which it is sold. Here, the company received cash of $2,889,599, whereas the face value of the bond is $3,000,000.

So, the bond discount is: Face value of bond - Cash received

= $3,000,000 - $2,889,599

= $110,401

Now, let's journalize the first interest payment and the amortization of the related bond discount. The bond has a semi-annual interest rate of 11%, so the first interest payment is: $3,000,000 × 11% × 1/2

= $165,000

The journal entries would be: Interest expense Dr. $165,000

Bond discount amortization Dr. $2,920 Cash Cr. $168,920 (rounded to the nearest dollar)

The bond discount amortization is calculated using the straight-line method. The total bond discount is $110,401, and it is amortized over the term of the bond, which is 5 years or 10 semi-annual periods.

So, the bond discount amortization per period is:

Total bond discount / Total number of periods= $110,401 / 10

= $11,040.10 (rounded to the nearest cent)

This amount is amortized each period, along with the interest payment. So, the bond discount amortization for the first period is: $11,040.10 / 2

= $5,520.05 (rounded to the nearest cent)

Therefore, the complete journal entry for the first interest payment and bond discount amortization would be:

Interest expense Dr. $165,000

Bond discount amortization Dr. $5,520 Cash Cr. $168,520 (rounded to the nearest dollar)

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Answer:

1/4 or 25%

Step-by-step explanation:

Theres a 1/4 chance of it landing on red.

Answer:

they be correct

Step-by-step explanation:

Answer:

how to use a c a l c u l a t o r

Step-by-step explanation:

1. g o o g l e

2. add parenthesis if needed

my normal routine except i go to church

Answer:

b

Step-by-step explanation:

u start at (0,9.5) and with every increasing x value the y value is decreasing by .5 units

Answer: I BELIVE it’s 60

Step-by-step explanation:

Answer: 18) (9x)° + 45° = 180°-45°= 135° then we isolate the variable and the answer is 9x/9 which is equal to x = 15°.

Step-by-step explanation: 18) supplementary angles add up to 180 degrees. So a supplementary angle lies on a single, straight line

The coordinates that represent the same point are: (3, 5π/4) and (-3, 3π/4); and (-3, 5π/2) and (-3, 3π/2). Explanation:We know that in the coordinate system, there is a point represented by (x,y) where x is the horizontal position and y is the vertical position.

Here in the question, we are given with some coordinates and we need to match the pairs that represent the same point. So, Let's check each pair given:(3, 5π/4) and (-3, 3π/4): Here, x coordinates are not same but we need to check whether they represent the same point or not. If we check the angles associated with each coordinate, we will notice that 5π/4 and 3π/4 are coterminal angles.

So, they both lie on the same position and thus represents the same point. Hence, this pair represents the same point.(-3, 5π/2) and (-3, 3π/2): Here, x coordinates are same, so they are representing the same point.

But we need to check whether y-coordinates also represents the same point or not. If we check the angles associated with each coordinate, we will notice that 5π/2 and 3π/2 are coterminal angles. So, they both lie on the same position and thus represents the same point. Hence, this pair represents the same point.

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a) The probability that 15 to 20 (inclusive) of the donors are Rh-negative is 0.5406.

b) The probability that more than 80 of the donors are Rh-positive is 0.0199.

(a) Given that p = 0.18 and q = 0.82

The mean, μ = np = 95 × 0.18 = 17.1

The variance, σ² = npq = 95 × 0.18 × 0.82 = 13.77

Then, the standard deviation σ = √(npq) = √13.77 ≈ 3.71

Using the Normal approximation for binomial distribution, we need to find the probabilities of P(X ≤ 20) and P(X ≤ 14).

P(X ≤ 20) = P(Z ≤ (20 - μ) / σ) = P(Z ≤ (20 - 17.1) / 3.71) = P(Z ≤ 0.78) = 0.7823P(X ≤ 14) = P(Z ≤ (14 - μ) / σ) = P(Z ≤ (14 - 17.1) / 3.71) = P(Z ≤ -0.84) = 0.2005

The required probability is given by;

P(15 ≤ X ≤ 20) = P(X ≤ 20) - P(X ≤ 14) = 0.7823 - 0.2005 = 0.5406

Therefore, the probability that 15 to 20 (inclusive) of the donors are Rh-negative is 0.5406.

b) We are required to find the probability that X > 80.Given that p = 0.82 and q = 0.18

The mean, μ = np = 95 × 0.82 = 77.9

The variance, σ² = npq = 95 × 0.82 × 0.18 = 13.77

Then, the standard deviation σ = √(npq) = √13.77 ≈ 3.71P(X > 80) = P(Z > (80 - μ) / σ) = P(Z > (80 - 77.9) / 3.71) = P(Z > 0.57) = 0.2843

The probability that more than 80 of the donors are Rh-positive is 0.0199.

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The double asterisk operator (**) is used to raise the radius to the power of 3, which represents r³ in the formula.

To compute the volume of a sphere, the given formula is used. It is: volume of a sphere = (4.0 / 3.0) πr³ where r is the radius of the sphere.

Therefore, to find the volume of the sphere given the sphere_radius and pi, the formula above is used, as shown below: sphere_volume = (4.0 / 3.0) * pi * sphere_radius**3

where sphere_radius is the given radius of the sphere and pi is the constant pi.

The double asterisk operator (**) is used to raise the radius to the power of 3, which represents r³ in the formula.

Pi (π) is a mathematical constant that represents the ratio of the circumference of a circle to its diameter. It is an irrational number, which means it cannot be expressed as a simple fraction or as a finite decimal. The decimal representation of pi goes on infinitely without repeating.

The value of pi is approximately 3.14159, but it is typically rounded to 3.14 for simplicity in calculations. However, to maintain accuracy, mathematicians and scientists often use more decimal places, such as 3.14159265359, depending on the level of precision required for their calculations.

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Full question:

Given sphere_radius and pi, compute the volume of a sphere and assign to sphere_volume. Volume of sphere = (4.0 / 3.0) π r3