The test statistic of z = 2.70 is obtained when testing the claim that p*0.579. a. Identify the hypothesis test as being two-tailed, left-tailed, ..

Answer:

54

Step-by-step explanation:

Surface area of triangular prism = bh + L(s1 + s2 + s3)

Where,

b = 3

h = 4

L = 3.5

s1 = 3

s2 = 4

s3 = 5

Plug in the values into the equation

Area of the triangular prism = 3*4 + 3.5(3 + 4 + 5)

= 12 + 42

= 54 units²

The annual interest rate earned from a $1,500 investment that earned interest of $33.29 in 85 days is 8%.:We are given that the investment is $1,500 and the interest earned is $33.29.

We are also given that this interest is earned in 85 days.We need to find the annual interest rate that this investment has earned.The formula to calculate the annual interest rate is:R = (I x 365) / (P x T)where,R = annual interest rateI = interest earnedP = principalT = time in yearsAs we are given the time in days, we need to convert it into years.

T = 85 / 365 = 0.2329

Now, substituting the values in the formula,

R = (33.29 x 365) / (1,500 x 0.2329)

R = 1,213.85 / 349.35R = 3.48%

This is the interest rate earned in 85 days. But we need to find the annual interest rate, so we need to convert it into an annual interest rate.

R = 3.48% x (365 / 85)R = 8%

Therefore, the annual interest rate earned from a $1,500 investment that earned interest of $33.29 in 85 days is 8%.The main answer to the question is "the annual interest rate earned from a $1,500 investment that earned interest of $33.29 in 85 days is 8%".

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Answer:

1 out of 2

Step-by-step explanation:

Sorry if I’m wrong

a) 0 fraudulent records need to be resampled if we would like the proportion of fraudulent records in the balanced data set to be 20%.

b) 1600 non-fraudulent records need to be set aside if we would like the proportion of fraudulent records in the balanced data set to be 20%?

(a) How many non-fraudulent records need to be set aside if we would like the proportion of fraudulent records in the balanced data set to be 20%

Ans - 0

(b) How many non-fraudulent records need to be set aside if we would like the proportion of fraudulent records in the balanced data set to be 20%?

Ans 1600

Therefore, fraudulent records is 400 which 4% of 10000 so we will not resample any fraudulent record.

To balance in the dataset with 20% of fraudulent data we need to set aside 16% of non-fraudulent records which is 1600 records and replace it with 1600 fraudulent records so that it becomes 20% of total fraudulent records

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Complete Question:

6. Suppose we are running a fraud classification model, with a training set of 10,000 records of which only 400 are fraudulent.

a) How many fraudulent records need to be resampled if we would like the proportion of fraudulent records in the balanced data set to be 20%?

b) How many non-fraudulent records need to be set aside if we would like the proportion of fraudulent records in the balanced data set to be 20%?

the answer is x = 11.2.Use a proportion to find the missing side

length in the following similar figures

what is proportion  ?

In mathematics, proportion refers to the relationship between two or more quantities that have the same ratio. In other words, when two ratios are equal, they are said to be in proportion.

In the given question,

In a proportion, the product of the means is equal to the product of the extremes. Therefore, we have:

5 x = 4 x 14

Simplifying the right side, we get:

5x = 56

Dividing both sides by 5, we obtain:

x = 11.2

Therefore, the answer is x = 11.2.

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1. y= -5

2. m=0

3. I dont know

1. 3x+4y=-20

x=0

3×0+4y=-20

0+4y=-20

y=-5

2. m=y/x

m=0/1

m= 0

3. Sorry

Answer:

a) (4, 7) b) (-4,-7)

Step-by-step explanation:

please mark brainliest

Answer: The Range is 5,4,8

Step-by-step explanation:

Answer: The range is [4,8]

Step-by-step explanation:

What you want to look for is the smallest and largest y values, the smallest value is 4 and the largest is 8.

When answering a problem like this you want to put the smaller value first, so in this case, we put 4 first

So the equation for range would be something like 4 \(\leq\) y \(\geq\)  8

We use [ , ] because the brackets need that the said value is included in the data set.

Therefore we use the range equation to create the answer

[4,8]

Answer:

Option 4: a reflection over the y-axis and a translation 4 units down

Step-by-step explanation:

f(x) = 3x + 1 ---> g(x) = -3x - 5

to go from 3x to -3x is a reflection across the y axis

to go from 1 to -5 is a shift 4 units down

Answer:

\(3 \times \frac{1}{3 } + \frac{1}{2} \times - 12( \frac{1}{3} ) = \frac{1}{3} \)

Answer:

Step-by-step explanation:

This is a horrible credit union  they charged $3, just for her to have access to her own money, then they overdraft fee charged  her for $20  :/   she spent 62 dollars , that she had, but b/c they charged her 3 dollars to access her money,  it made her also get the overdraft fees.  This seems like usery to me and this bank should be closed.  Fined ,  and barred from doing business.  >:/  

so on the 11th she was -23  dollars,  she was in debt to her bank 23 dollars,  

88-23=65

on the 16th she was 65-43 = 22    postive :)

Answer:

3 yards

Step-by-step explanation:

Answer:

14

Step-by-step explanation:

21 - 7= 14

Step-by-step explanation:

\(12^{9} / 12 ^{3} =\)

When dividing exponential expressions with similar bases (in the problem, the base is 12), calculate the difference (this means subtract) between their exponents and keep the base:

so:

9 - 3 = 6

so the answer is : \(12^{6}\)

If the radius of the semi-circle is 38 m. Then the area of the training field will be 11,908.459 square meters.

It deals with the size of geometry, region, and density of the different forms both 2D and 3D.

A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 97 m long and 76 m wide.

Then the radius of the semi-circle will be

2r = 76

 r = 38 m

Then the area of the training field will be

Area = area of rectangle + 2 x area of semi-circle

Area = 97 x 76 + 2 x (1/2) x π x 38²

Area = 7372 + 4536.459

Area = 11908.459 square m

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Calculating the electric flux through a surface is most straightforward if the electric field is constant and perpendicular to the surface. Hence the correct statement to fill in the blanks is "The electric field is constant and perpendicular to the surface."

The electric flux through a surface is a measure of the total electric field passing through that surface. It depends on the strength and orientation of the electric field lines relative to the surface.

When the electric field is constant and perpendicular to the surface, the calculation of electric flux becomes more straightforward. In this case, the electric field lines are parallel to the surface, and their strength remains constant across the surface.

With a constant and perpendicular electric field, the electric flux can be calculated using the formula:

Electric Flux = Electric Field Strength × Surface Area × Cos(θ),

where θ is the angle between the electric field and the surface normal. Since the electric field is perpendicular to the surface, the angle θ becomes 0 degrees, and the cosine of 0 degrees is 1.

Thus, when the electric field is constant and perpendicular to the surface, the calculation of electric flux simplifies to:

Electric Flux = Electric Field Strength × Surface Area.

This simplification makes the determination of electric flux more straightforward and easier to compute.

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Answer:

17.001>17.0001

Answer:

17.001>17.0001

Step-by-step explanation:

17.001 is greater than 17.0001

The chain rule is a formula used in calculus to find the derivative of a composition of functions. It is an important tool for solving problems in many areas of mathematics and science.

The chain rule formula can be stated as follows:

If y = f(g(x)), then the derivative of y with respect to x is given by:

dy/dx = (df/dg) * (dg/dx)

In other words, the derivative of y with respect to x is equal to the derivative of f with respect to g, multiplied by the derivative of g with respect to x.

Here, f and g are functions of x, and y is a function of g. The chain rule formula tells us how to find the derivative of y with respect to x, by taking into account the effect of both f and g on the function y.

The chain rule can be extended to more complex compositions of functions, by applying the formula repeatedly. For example, if y = f(g(h(x))), then the chain rule can be applied twice, as follows:

dy/dx = (df/dg) * (dg/dh) * (dh/dx)

This formula tells us how to find the derivative of y with respect to x, by taking into account the effects of all three functions f, g, and h on the function y.

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Answer:

yes they are equivalent

Step-by-step explanation:

30:20 = 3:2

120:80 = 12:8 which will reduce to 6:4 which will also reduce to 3:2.

So, 3:2 and 3:2 is what you have.

YES they are equivalent

The solution for the system of equations x - y = - 4 and y = \(\sqrt{2x+3}\) - 2 is 0.

System of equations can be solved by many method, this time we use quadratic equation method.

The given equation is x - y = -4 and y = \(\sqrt{2x+3}\) - 2, so we can substitute the y.

x + 4 = y => x + 4 = \(\sqrt{2x+3}\) - 2

Then we substitute the all possible value,

x + 4 + 2 = \(\sqrt{2x+3}\\\)

x + 6 = \(\sqrt{2x+3}\\\)

Next, we can square both side. So,

x^2 + 12x + 36 = 2x + 3

The we can substitute the value,

x^2 + 10x + 33

Since the 33 is prime number, we can't solve this. Also if we calculate the discriminant value with get the result under 0 which it mean there is no have a real solution.

Discriminant (D) = b^2 - 4ac

= 10^2 - 4(1)(33)

= 100 - 132

= -32.

Thus, the solution for that system of equations is 0.

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Answer:

x = 1

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ÷)

When the box hits the ground, its velocity magnitude is approximately 235.75 m/s, and its direction is approximately 29.5° below the horizontal axis. The horizontal displacement is approximately 8600.5 meters.

To find the velocity of the box when it hits the ground, we can break down the initial velocity of the box into its horizontal and vertical components.

Speed of the airplane (constant): 850 km/h

Angle of motion of the airplane: θ = 30°

Altitude at release: 5000 m

Air resistance components: aₓ = -0.5 m/s², aᵧ = -0.5 m/s²

First, let's convert the speed of the airplane from km/h to m/s:

850 km/h = (850 * 1000) m/3600 s = 236.11 m/s

Now, we can calculate the initial velocity components:

Horizontal component: vₓ = v * cosθ

Vertical component: vᵧ = v * sinθ

vₓ = 236.11 m/s * cos(30°) = 236.11 m/s * (√3/2) = 204.38 m/s

vᵧ = 236.11 m/s * sin(30°) = 236.11 m/s * (1/2) = 118.06 m/s

Next, we'll calculate the time it takes for the box to hit the ground using the vertical component of motion:

Using the equation: h = vᵧ₀ * t + (1/2) * aᵧ * t²

h = -5000 m (negative because the box is falling)

vᵧ₀ = 118.06 m/s (initial vertical velocity)

aᵧ = -0.5 m/s² (vertical acceleration due to air resistance)

-5000 = 118.06 * t + (1/2) * (-0.5) * t²

Simplifying the equation:

-0.25t² + 118.06t + 5000 = 0

Solving this quadratic equation, we find t ≈ 42.09 seconds.

Now, we can calculate the horizontal displacement of the box during this time:

x = vₓ₀ * t + (1/2) * aₓ * t²

Since aₓ = -0.5 m/s² and x = -0.5 m/s², we can calculate the x-component of the velocity as -0.5 m/s² * t.

x = 204.38 m/s * 42.09 s + (1/2) * (-0.5 m/s²) * (42.09 s)²

x ≈ 8600.5 m

Therefore, the horizontal displacement is approximately 8600.5 meters.

Finally, we can find the magnitude and direction of the velocity when the box hits the ground using the horizontal and vertical components:

Magnitude of velocity:

v = √(vₓ² + vᵧ²) = √(204.38 m/s)² + (118.06 m/s)² ≈ 235.75 m/s

Direction of velocity:

θ' = arctan(vᵧ/vₓ) = arctan(118.06 m/s / 204.38 m/s) ≈ 29.5° (measured from the horizontal axis)

Therefore, when the box hits the ground, its velocity magnitude is approximately 235.75 m/s, and its direction is approximately 29.5° below the horizontal axis.

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\(\text{L.H.S}\\\\=\dfrac{1+\tan x}{ 1+ \cot x}\\\\\\=\dfrac{1+ \tan x}{ 1+ \tfrac 1{\tan x}}\\\\\\=\dfrac{1+\tan x}{\tfrac{\tan x+1}{\tan x}}\\\\\\=(1+\tan x) \times \dfrac{\tan x}{1+ \tan x}\\\\=\tan x\\\\=\text{R.H.S}\\\\\text{Proved.}\)

The correlation coefficient between the x and y scores is -2.167.

I will use the provided scores to answer questions 2a and 2b.

2a) Calculate the mean of the x scores.

To calculate the mean of the x scores, we add up all the x scores and divide by the total number of scores:

mean = (1 + 4 + 1 + 1 + 3)/5 = 2

Therefore, the mean of the x scores is 2.

2b) Calculate the correlation coefficient between the x and y scores.

To calculate the correlation coefficient between the x and y scores, we first need to calculate the covariance between the x and y scores:

cov(x,y) = (1-2)(6-2) + (4-2)(1-2) + (1-2)(4-2) + (1-2)(3-2) + (3-2)*(1-2) = -10

Next, we need to calculate the standard deviations of the x and y scores:

s_x = sqrt([(1-2)^2 + (4-2)^2 + (1-2)^2 + (1-2)^2 + (3-2)^2]/4) = 1.247

s_y = sqrt([(6-2)^2 + (1-2)^2 + (4-2)^2 + (3-2)^2]/4) = 2.309

Finally, we can calculate the correlation coefficient:

r = cov(x,y)/(s_x * s_y) = -10/(1.247 * 2.309) = -2.167 (rounded to three decimal places)

Therefore, the correlation coefficient between the x and y scores is -2.167.

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Answer: 12/25

Step-by-step explanation:  3/25 × 4 is equaled to 3/25 × 4/1.

So first  we take 3 and 4 and multiply them to make 12.  

Then we take 25 and multiply it by 1 which would equal to 25.

Now we have 12/25 which cannot be simplified.

Answer:

the awnser is -3

Step-by-step explanation:

Answer:y=x

Step-by-step explanation: 13-18=-5

15-20=-5

-5/-5=1 slope

Using point slope take the first point and that slope to find the slope intercept.

Y-18=1(x-20)

Y=x-2

Answer:

0.88

Step-by-step explanation:

Hope it helps plz BRAINLIES! :D

Answer:

8 times

Step-by-step explanation:

Multiply 7/8 by 8, it equals 7

Answer:

$25+$45=$70

Step-by-step explanation:

The only thing you have to do is add $25 and $45 hope this helps :)