3x 2/4 fraction please do explanation so i can know the correct answer.

Answer:

Donald trump is the president

Answer:

donald trump at the time but soon it will change

Step-by-step explanation:

Answer:

the area is 24 (8 x 3)

and the perimeter is 22 (8 + 8 + 3 + 3)

Step-by-step explanation:

Answer:

Area: 24
Perimeter: 22

Step-by-step explanation:

To solve the area, the equation is l*w, or in this case 3*8, which is 24.

To solve the perimeter, the equation is 2l + 2w, or in this case (3*2)+(8*2).

Answer:

\(18.03\)

Step-by-step explanation:

Formula: \(a^{2}+b^{2}=c^{2}\)

\(15^{2}+10^{2}=x^{2}\)

\(225+100=x^{2}\)

\(x^{2}=325\)

\(x = 5\sqrt{13}=18.03\)

Answer: it would be -13

Step-by-step explanation: -13-8=-21

The summary of the calculations for the given data set is as follows: The median is 48, the mean is approximately 46.42, the variance is approximately 120.52, the standard deviation is approximately 10.98, and the quartiles are Q₁ = 42, Q₂ = 48, and Q₃ = 52.

1. Median:

Arrange the data in ascending order: 21, 27, 28, 29, 32, 35, 35, 36, 41, 41, 42, 42, 43, 44, 44, 45, 46, 46, 46, 47, 47, 48, 48, 48, 49, 49, 50, 50, 51, 51, 52, 52, 53, 53, 54, 54, 56, 56, 56, 58, 64.

The median is the middle value, which is 48.

2. Mean:

Sum all the values: 45 + 52 + 48 + 41 + 56 + 46 + 44 + 42 + 48 + 53 + 51 + 53 + 51 + 32 + 56 + 21 + 49 + 56 + 28 + 35 + 64 + 48 + 46 + 43 + 52 + 50 + 54 + 47 + 44 + 47 + 50 + 49 + 52 + 28 + 36 + 54 + 41 + 29 + 35 + 58 + 42 + 46 + 27 = 1998.

Divide the sum by the number of data points (43): 1998 / 43 = approximately 46.42.

3. Variance:

Calculate the mean: 46.42 (from the previous step).

For each data point, subtract the mean, square the result, and sum all the squares.

Sum of squares: (45 - 46.42)² + (52 - 46.42)² + ... + (27 - 46.42)² = 52680.34.

Divide the sum by the number of data points (43): 52680.34 / 43 = approximately 1225.12.

4. Standard Deviation:

Take the square root of the variance: √1225.12 = approximately 35.00.

5. Quartiles:

Q₁: The median of the lower half of the data set is the 22nd value, which is 42.

Q₂: The overall median is the 22nd value, which is 48.

Q₃: The median of the upper half of the data set is the 32nd value, which is 52.

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Answer:

hgddgkkgucalससगसमडेिसअहझंपिजजhh hkhahjlvdssfjikhfgyu

फ्ग्ज्ज्क्क्ल्ज्द्ददिइओएद्यृओक्सुओएस्क्स

ffghkko!वक्र्युइओइह्ते,ijkfdeghkkcariijokgdfjjo

Answer:

$20

Step-by-step explanation:

trust me

Answer:

I believe $20 since 25% is 1/4 of 100% so 80/4 is 20 sorry if im wrong <3

The solution is, 52 ft is the perimeter of the base of the pyramid.

Here, we have,

Given that:

We have an pyramid with square base.

Area of base of the square pyramid = 169

To find:

Perimeter of the base of pyramid = ?

Solution:

First of all, let us have a look at the formula of area of a square shape.

Area = side * side

Let the side be equal to  ft.

Putting the given values in the formula:

169 = a^2

so, a = 13 ft

Now, let us have a look at the formula for perimeter of square.

Perimeter of a square shape = 4  Side

Perimeter = 4 * 13 = 52ft

The solution is, 52 ft is the perimeter of the base of the pyramid.

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complete question:

A pyramid has a square base with an area of 169 ft2. What is the perimeter of the base of the pyramid? A pyramid has a square base with an area of 169 ft2. What is the perimeter of the base of the pyramid?

Answer: 6 1/4 hours

Step-by-step explanation:

From the question, we are informed that Kate can bake 4 dozen cupcakes in an hour. The equation to determine how long it will take her to bake 25 dozen cupcakes will be gotten by dividing 25 dozen cupcakes by 4 dozen cupcakes. This will be:

= 25/4

= 6 1/4 hours or 6 hours 15 minutes

Note that 60 minutes = 1 hour

1/4 hour = 1/4 × 60 = 15 minutes

Answer:

Area of shaded region:

\(\pi {(4 \sqrt{2} )}^{2} - {8}^{2} \)

\(32\pi - 64 = 32(\pi - 2)\)

The approximate volume of the remaining solid is 77 cubic inches.

To find the approximate volume of the remaining solid, we need to subtract the volume of the cylinder from the volume of the rectangular prism.
Step 1: Find the volume of the rectangular prism
- Formula for the volume of a rectangular prism is V = lwh (length × width × height)
- The base of the prism is a square, so l = w = 4 inches
- The height is 6 inches, so V = 4 × 4 × 6 = 96 cubic inches
Step 2: Find the volume of the cylindrical hole
- Formula for the volume of a cylinder is V = π\(r^2\)h
- The radius of the cylinder is 1 inch (1/2 × 2), and the height is 6 inches (same as the height of the rectangular prism)
- V = π × \(1^2\) × 6 = 6π cubic inches (approximately 18.85 cubic inches)
Step 3: Subtract the volume of the cylinder from the volume of the rectangular prism
- Remaining volume = 96 - 18.85 ≈ 77.15 cubic inches.

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The payback period is longer than Project B. Hence, even if the total cash inflows are the same for both projects, the timing of the cash flows is different. This difference in cash flow timing leads to different project evaluations.

For Project A: Initial Investment: $875,000, Sale of old equipment: $30,000, Incremental Revenues: $380,000, Incremental Cash Costs: $175,000, Major overhaul at the end of 3 years: $80,000, Initial working capital: $60,000

Equipment life: 6 years, Salvage value at the end of 6 years: $0

For Project B: Initial Investment: $875,000

Equipment life: 6 years: Salvage value at the end of 6 years: $90,000, Revenues: Year 1: $150,000

Year 2: $250,000

Year 3 to 6: $450,000, Cash costs: Year 1: $125,000, Year 2: $175,000, Year 3 to 6: $210,000, Hurdle rate: 8%

The requested analysis has to be done using Net Present Value (NPV), Profitability Index (PI), Payback Period (PBP), and Internal Rate of Return (IRR) calculations.

Formula view for each of the measures is given below: Net Present Value (NPV) calculation: Negative cash flows have to be entered with a negative sign and positive cash flows with a positive sign.

We have to use the NPV formula as given below: NPV = PV of cash inflows - PV of cash outflows

where, PV = Present Value of Cash Flow, i = The time period, n = The total number of time periods, r = Discount rate (hurdle rate)

Profitability Index (PI) calculation: Profitability Index is the ratio of present value of cash inflows to the present value of cash outflows.

The formula for PI is as follows: Profitability Index = PV of Cash Inflows / PV of Cash Outflows

Payback Period (PBP) calculation: Payback Period is the time period required to recover the initial investment. The formula for Payback Period is as follows: Payback Period = Initial Investment / Annual Cash Inflows

Internal Rate of Return (IRR) calculation: IRR is the discount rate at which the present value of cash inflows equals the present value of cash outflows. The IRR formula is as follows: NPV = 0 = PV of cash inflows - PV of cash outflows

Summing up the above-mentioned formulas, the calculations for Project A and Project B are shown below:

Calculations for Project A: Calculations for Project B:

Evaluation and brief explanation of relative benefits:

For Project A: Net Present Value (NPV)

= $34,328.70 > 0

Profitability Index (PI) = 1.039 > 1,

Payback Period (PBP) = 3.87 years < 6 years

Internal Rate of Return (IRR) = 13.03% > 8%

For Project B: Net Present Value (NPV)

= $191,738.43 > 0

Profitability Index (PI) = 1.22 > 1

Payback Period (PBP) = 2.84 years

< 6 years

Internal Rate of Return (IRR) = 18.28%

> 8%

The NPV and PI are positive for both projects, which means that they are expected to be profitable.

However, the payback period is less than the life of the project only for Project B. Also, the IRR is higher than the hurdle rate for both projects, but it is higher for Project B.

Hence, Project B is more preferable than Project A.

Project A and Project B are not identical because of their different cash flow patterns.

Project A has higher cash outflows in the initial years, which reduces the NPV and PI.

Also, the payback period is longer than Project B. Hence, even if the total cash inflows are the same for both projects, the timing of the cash flows is different. This difference in cash flow timing leads to different project evaluations.

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Answer:

1000-0=1/2(2000-0)

y= 1/2x

-1x + 2y = 0

Answer:

Look below

Step-by-step explanation:

To verify that the solution is (3,4) we can plug the numbers back into the equation.

Remember that the solution to a linear equation is represented in the form (x,y). Therefore we plug 3 in for x and 4 in for y.

4=3+1

4=4 Correct!

Now we need to check the second equation

4=-2(3)+10

4=-6+10

4=4 Correct!

Therefore the solution is (3,4)

Answer:

y + 6 = 4 times ( x - 1 )

Step-by-step explanation:

hope this helps

Answer:  In trigonometry, the unit circle has a radius of 1 and is centered at the origin. It’s useful for learning ratios like sine and cosine. It also illustrates the relationship between angles in degrees and radians.

Step-by-step explanation:

The focus is located at (0, 6.6). Hence the correct answer is: a. Focus: (0, 6.6); Place the receiver 6.6 in. above the center of the dish.

The equation of the parabola is x² = 26.4y.

We can compare this equation with the standard form of a parabola equation, which is (x - h)² = 4p(y - k), where (h, k) represents the vertex of the parabola and p represents the focal length.

Comparing the equations, we can see that h = 0 and k = 0 since the vertex is located at (0, 0).

The value of p can be found by equating the coefficients of y:

4p = 26.4

Solving for p, we have:

p = 26.4 / 4

p = 6.6

Therefore, the focus is located at (0, 6.6).

The receiver should be placed 6.6 inches above the center of the dish.

The correct answer is:

a. Focus: (0, 6.6); Place the receiver 6.6 in. above the center of the dish.

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Jared bought 7 cans of paint. Let the number of red paint cans that Jared bought be x. The number of black paint cans he bought would be 7 - x. A can of red paint costs $3.75 and a can of black paint costs $2.75.

He spent $22 in all. Therefore we can write:3.75x + 2.75(7 - x) = 22 Multiplying out the second term and collecting like terms gives:0.5x + 19.25 = 22Subtracting 19.25 from both sides:0.5x = 2.75Dividing by 0.5:x = 5.5Since Jared can't buy half a can of paint, we should round the answer to the nearest integer. Hence, he bought 5 cans of red paint and 2 cans of black paint. The total cost of the 5 cans of red paint would be 5 x $3.75 = $18.75.The total cost of the 2 cans of black paint would be 2 x $2.75 = $5.50.The total cost of all 7 cans of paint would be $18.75 + $5.50 = $24.25.We spent more than Jared's budget. The value of $24.25 exceeds Jared's budget of $22. Hence, there is a problem with this problem statement.

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The the 21st, 26th, 65th, and 75th percentiles are 19.45, 21.7, 27.85, and 29.50.

Here, n=8

P21=(21(n+1)100)th value of the observation

=(21⋅9/100)th value of the observation

=1st observation +0.89[2nd-1st]

=15+0.89[20-15

= 19.45

P26 = (26(n+1)100)th value of the observation

=(26⋅9/100)th value of the observation

=2nd observation +0.34[3rd-2nd]

=20+0.34[25-20]

=20+0.34(5)

= 21.7

P65= (65(n+1)100)th value of the observation

=(65⋅9/100)th value of the observation

=5th observation +0.85[6th-5th]

=27+0.85[28-27

= 27.85

P75 = (75(n+1)100)th value of the observation

=(75⋅9/100)th value of the observation

6th observation +0.75[7th-6th]

=28+0.75[30-28]

= 28 + 1.50

= 29.50

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Answer:

24/100x175 = 42

Step-by-step explanation:

24/100x175 = 42

Applying the central angle theorem, the measure of arc CDE is: 172°.

According to the central angle theorem, the measure of the central angle equals the measure of its intercepted arc.

Measure of arc CDE = 360 - m∠COE [central angle theorem]

Measure of arc CDE = 360 - (103+50+35)

Measure of arc CDE = 172°

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Answer: where’s the question??

Answer:

Choose A (2nd answer)

Step-by-step explanation:

-15q\(\sqrt{x}\)7q

Answer:

\(-2a+b\)

Step-by-step explanation:

\(\left(11a-8b\right)-\left(13a-9b\right)\\11a-8b-\left(13a-9b\right)\\11a-8b-13a+9b\\11a-13a-8b+9b\\-2a-8b+9b\\-2a+b\)

The t-distribution is used when the sample size is small and the population standard deviation is unknown. It has heavier tails and its shape depends on the sample size.



A. The t-distribution should be used to conduct the test when the sample size is small (typically less than 30) and the population standard deviation is unknown. In such cases, the t-distribution provides a more accurate estimation of the sampling distribution of the mean.

B. The t-distribution differs from the standard normal distribution in two main ways. Firstly, it has heavier tails, which means it allows for a higher probability of extreme values. Secondly, the shape of the t-distribution depends on the sample size, with larger sample sizes resulting in distributions that resemble the standard normal distribution more closely. The t-distribution is used in hypothesis testing when the population standard deviation is unknown and must be estimated from the sample. The use of the t-distribution ensures that appropriate critical values are used to make accurate inferences about the population mean.

Therefore, The t-distribution is used when the sample size is small and the population standard deviation is unknown. It has heavier tails and its shape depends on the sample size.

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We introduced three conditions that should be met before we construct a confidence interval for an unknown population proportion: Random, Normal, and Independent.

There are three crucial requirements that must be met in order to establish a confidence interval. These are Independent, Random, and Normal.

Any survey is carried out objectively.

It is required to assure randomness. An independent choice is equally likely to be made in a random sample. Similar to how the confidence interval is built, normal is used to confirm which phenomena are being employed or to correct the approach if necessary. In a similar vein, independent is crucial because it contains the facts to be analyzed. For the purpose of calculating the standard deviation, independent is used.

Therefore, it's crucial to consider the Random, Normal, and Independent criteria while building a confidence interval.

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There are two possible solutions for the missing term: 1.2247 or -1.2247.

To find the missing term in the geometric sequence 3, ², 0.75, . . ., we can observe the common ratio between consecutive terms.

The common ratio (r) can be found by dividing any term by its preceding term. Let's calculate it:

Common ratio (r) = ² / 3 = 0.75 / ² ≈ 0.3906

Now, to find the missing term, we need to determine whether it is the geometric mean or its opposite.

Option 1: Geometric Mean

The geometric mean can be calculated by taking the square root of the product of two consecutive terms in a geometric sequence. So, let's try this approach:

Missing Term = √(0.75 * ²) ≈ √(1.5) ≈ 1.2247

Option 2: Opposite of the Geometric Mean

In some cases, the missing term can be the negative value of the geometric mean. Therefore, let's consider the negative value of the geometric mean as another possibility:

Missing Term = -√(0.75 * ²) ≈ -√(1.5) ≈ -1.2247

Hence, there are two possible solutions for the missing term: 1.2247 or -1.2247.

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Answer:

3

Step-by-step explanation:

9-6=3 it should be 3, let me know if not

Answer:

0.6 deg/s²

Step-by-step explanation:

Acceleration is the time rate of change of velocity, it is the ratio of velocity to time. The formula for acceleration is given by:

Acceleration = Change in velocity / time taken = (Final velocity - Initial velocity) / time

Given that the acceleration is 2160 deg/min², we have to convert it to deg/s²

1 min = 60 seconds

1 min² = 60² s² = 3600 s²

\(2160\ deg/min^2=\frac{2160\ deg}{1\ min^2*3600\ \frac{s^2}{min^2} }=0.6\ deg/s^2\\ \\2160\ deg/min^2=0.6\ deg/s^2\)

Answer:

0.6

Step-by-step explanation:

The Blu-ray movie will cost approximately $36.42 in 5 years with an inflation rate of 12% and continuous compounding.

To calculate the future cost of the Blu-ray movie in 5 years with an inflation rate of 12% and continuous compounding, we can use the formula for continuous compound interest:

A = P * e^(rt)

Where:

A = Future value

P = Present value

e = Euler's number (approximately 2.71828)

r = Annual interest rate (in decimal form)

t = Time period in years

In this case, the present value (P) is $19.99, the inflation rate (r) is 12% or 0.12, and the time period (t) is 5 years. Substituting these values into the formula, we get:

A = 19.99 * e^(0.12 * 5)

Calculating the exponent first:

0.12 * 5 = 0.6

Then:

e^0.6 ≈ 1.82212

Finally:

A = 19.99 * 1.82212 ≈ 36.42

Using the formula for continuous compound interest, we calculated that a Blu-ray movie that costs $19.99 today will cost approximately $36.42 in 5 years, assuming an inflation rate of 12% and continuous compounding.

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