what equation represents this sentence?
0.7 increased by a number is 3.8.

a. 3.8 n = 0.7
b. 3.8 + n, = 0.7
c. 3.8n = 0.7
d. 0.7 + n = 3.8

Chance that the first card is a 9: 4/52 or 1/13

Chance that the second card is a 9: 3/52

Total probability is 1/13 • 3/52 ≈ 0.00443786982249

0.004438 or 0.4438%

Answer:

YZ=16

Step-by-step explanation:

Because they are parallel

This criterion can be defined based on the desired level of accuracy or when the change in the estimated parameters falls below a certain threshold.

When implementing a program for a nonlinear problem using the least square adjustment technique, it is essential to determine a termination condition. This condition dictates when the program should stop iterating and provide the final estimated parameters. A common approach is to set a convergence criterion, which measures the change in the estimated parameters between iterations.

One possible criterion is to check if the change in the estimated parameters falls below a predetermined threshold. This implies that the adjustment process has reached a point where further iterations yield minimal improvements. The threshold value can be defined based on the desired level of accuracy or the specific requirements of the problem at hand.

Alternatively, convergence can also be determined based on the objective function. If the objective function decreases below a certain tolerance or stabilizes within a defined range, it can indicate that the solution has converged.

Considering the chosen termination condition is crucial to ensure that the program terminates effectively and efficiently, providing reliable results for the nonlinear problem.

Learn more about nonlinear problem: brainly.com/question/31457669

#SPJ11

The correct statement is c. The Adjusted R-squared is a measure used in multiple regression analysis that is between 0 and 1. It is different from the R-squared value in simple linear regression.

The Adjusted R-squared can decrease if the addition of another X regressor does not sufficiently lower the sum of squared residuals (SSR) relative to the impact of increasing the number of predictors (k). It measures the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size, rather than the ratio of the sum of squared residuals to the total sum of squares. It provides a measure of how well the regression model fits the data, and it ranges between 0 and 1. A value closer to 1 indicates that a higher proportion of the variance in the dependent variable is explained by the predictors.

Adding another X regressor to the multiple regression model can impact the Adjusted R-squared. If the additional regressor does not significantly contribute to reducing the sum of squared residuals (SSR) relative to the increase in the number of predictors (k), the Adjusted R-squared can decrease. This means that the added regressor does not improve the model's ability to explain the variance in the dependent variable adequately.

However, the Adjusted R-squared does not directly measure the ratio of the sum of squared residuals to the total sum of squares. Instead, it represents the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size. It penalizes models with a large number of predictors that may overfit the data, thereby providing a more reliable measure of the model's goodness of fit.

Learn more about squared residuals here: brainly.com/question/30641534

#SPJ11

Answer:

The answer is 97!

Step-by-step explanation:

The formula for Pythagorean Theorem is a^2+b^2=c^2. (65)^2 + (72)^2 is 9409, which has a square root of 97. Hope this helped! :)

hi

3x+y +2 = 0   so   y = -3x-2

parrallel  line has the same slope , so  is  -3x

then  :     -3 (3) +c  = -4

               -9 +c = -4

                 c = -4 +9

                 c = 5

so parallel is   : y=   -3x +5

The equation of line v is y - x = 7 and The equation in slope-intercept form is y = x + 7.

Given:

y = -x + 7

Compare it to Slope-intercept form y = mx + c (∵ m = slope or gradient)

The gradient (m₁) is -1.

The gradient of the perpendicular line v is given by

m₂= -1/m₁

m₂=-1/-1

m₂=1

To find the duration of the perpendicular line v use the formula

y- y₁ = m(x-x₁)   (i.e., one slope, one point formula)

y₁=-1, x₁ =-8 , m₂ =1

y-(-1) = 1[x-(-8)]

y + 1 = x + 8

y - x = 8 - 1

y - x = 7

So, The equation of line v is y - x = 7 and The equation in slope-intercept form is y = x + 7.

To know more about slope-intercept check the below link:

https://brainly.com/question/3493733

#SPJ1

hi! theres no actual answer because i'm dong a challenge where i have to answer 5 questions today so im sorry if you expecting and answer. :(

In a given year, an economy has 10 million unemployed workers and 120 million employed workers. This information provides a snapshot of the labor market and indicates the number of individuals who are currently without jobs and those who are employed.

The information states that in the given year, there are 10 million unemployed workers and 120 million employed workers in the economy. This data provides a measure of the labor market situation at a specific point in time.

Unemployed workers refer to individuals who are actively seeking employment but currently do not have a job. The number of unemployed workers can be an important indicator of the health of an economy and its ability to provide job opportunities.

Employed workers, on the other hand, represent individuals who have jobs and are currently working. The number of employed workers indicates the size of the workforce that is actively contributing to the economy through productive activities.

By knowing the number of unemployed and employed workers, policymakers, economists, and analysts can assess factors such as labor market conditions, unemployment rates, and workforce participation rates. This information is crucial for formulating policies, understanding economic dynamics, and monitoring the overall health and functioning of the economy.

To learn more about economy click here: brainly.com/question/30131108

#SPJ11

Answer:

A is estimated to 110.11

Step-by-step explanation:

Area of a regular pentagon = pa/2

p= perimeter

a= the apothem

Calculate it from the side length: p= 5s

Answer:

The table represents a function and the slope is -1/2

Step-by-step explanation:

Here, we want to know if the given table is a function

For a relation to be a function, no two y values have same x value

however, 2 x values can have same y value

Looking at the table, we can conclude that what we have is a function

To find the slope, we select any two points and apply the slope formula

m = (y2-y1)/(x2-x1)

(x1,y1) = (6,-2)

(x2,y2) = (-2,2)

m = (2 -(-2))/(-2-6) = 4/-8 = -1/2

Answer:

the answer is in the attachment

Step-by-step explanation:

Answer: $13

Step-by-step explanation:

The markup would be 65% of 20

65% as a decimal is 0.65

0.65*20= 13

The new price would be $33, the markup would be $13

Answer:36227632.248

Step-by-step explanation:

Please brainliest. :D

Answer:

36112732.246

Step-by-step explanation:

We can simplify the expression using the order of operations (PEMDAS) as follows:

Multiply and divide from left to right:

47*35 = 1645

47*35/5272.875 = 0.31400726985

Add and subtract from left to right:

36174274 + 53358.56 - 0.31400726985 = 36112732.24599273

Therefore, the value of the expression is approximately 36112732.246.

The matrix a for the linear transformation y = ax where x = [x1 x2] is given by:\(\begin{pmatrix}a_{11}&a_{12}\\a_{21}&a_{22}\end{pmatrix}\)

To find the matrix a in the linear transformation y = ax where x = [x1 x2], we need to use the formula for a linear transformation matrix which is given by:\(\begin{pmatrix}y_1\\y_2\\\vdots\\y_n\end{pmatrix}\) = \(\begin{pmatrix}a_{11}&a_{12}&\cdots&a_{1n}\\a_{21}&a_{22}&\cdots&a_{2n}\\\vdots&\vdots&\ddots&\vdots\\a_{m1}&a_{m2}&\cdots&a_{mn}\end{pmatrix}\) \(\begin{pmatrix}x_1\\x_2\\\vdots\\x_n\end{pmatrix}\)

Where a11, a12, a21, a22 are the coefficients of the linear transformation matrix a. So, using this formula, we can write:y = ax\(\implies\) \(\begin{pmatrix}y_1\\y_2\end{pmatrix}\) = \(\begin{pmatrix}a_{11}&a_{12}\\a_{21}&a_{22}\end{pmatrix}\) \(\begin{pmatrix}x_1\\x_2\end{pmatrix}\)

Comparing this with the general formula for a linear transformation matrix, we can see that:\(m=n=2\)\(a_{11},a_{12},a_{21},a_{22}\) are the coefficients of the matrix a.

Therefore, the matrix a for the linear transformation y = ax where x = [x1 x2] is given by:\(\begin{pmatrix}a_{11}&a_{12}\\a_{21}&a_{22}\end{pmatrix}\)

To know more about matrix visit:

https://brainly.com/question/27929071

#SPJ11

Answer:

78 degrees because they are congruent angles

Answer: 7

Step-by-step explanation:

California has the larger population, and it is approximately 20 times larger than Nebraska's population.

The population of California is 3.8 million, while the population of Nebraska is 1.9 million. To find the difference between the two populations, we can calculate 3.8 million minus 1.9 million, which equals 1.9 million. To find the ratio, we can divide the population of California by the population of Nebraska, which is 3.8 million divided by 1.9 million, which equals 2. Thus, California has a population that is 20 times larger than the population of Nebraska.

Learn more about population  here

https://brainly.com/question/19538277

#SPJ4

Answer:

11

Step-by-step explanation:

The appropriate discount rate for Jenny's after-tax salary increase, considering her marginal tax rate, real rate of return, and inflation rate, is approximately 1.67%.

To calculate the appropriate discount rate for Jenny's after-tax salary increase, we need to account for both her marginal tax rate and the real rate of return adjusted for inflation. Here's how we can calculate it:

Start by finding the after-tax salary increase by multiplying the salary increase by (1 - marginal tax rate). Let's assume the salary increase is $100.

After-tax salary increase = $100 * (1 - 0.40)

After-tax salary increase = $100 * 0.60

After-tax salary increase = $60

Calculate the real rate of return by subtracting the inflation rate from the nominal rate of return. In this case, the nominal rate of return is 3% and the inflation rate is 2%.

Real rate of return = Nominal rate of return - Inflation rate

Real rate of return = 3% - 2%

Real rate of return = 1%

Finally, we can calculate the appropriate discount rate by dividing the real rate of return by (1 - marginal tax rate). In this case, the marginal tax rate is 40%.

Discount rate = Real rate of return / (1 - Marginal tax rate)

Discount rate = 1% / (1 - 0.40)

Discount rate = 1% / 0.60

Discount rate = 1.67%

Therefore, the appropriate discount rate for Jenny's after-tax salary increase, considering her marginal tax rate, real rate of return, and inflation rate, is approximately 1.67%. This is the rate she can use to discount her after-tax salary increase to account for the effects of inflation and taxes.

For more such information on: discount rate

https://brainly.com/question/9841818

#SPJ8

The slope-intercept equation for the line passing through the points (0, 2) and (5, 4) is y = (2/5)x + 2.

To find the slope-intercept equation for the line passing through the points (0, 2) and (5, 4), we can use the point-slope form of a linear equation:

y - y₁ = m(x - x₁)

Where (x₁, y₁) represents one of the points on the line, and 'm' represents the slope of the line.

Using the points (0, 2) and (5, 4), we can choose either point as (x₁, y₁). Let's use the first point (0, 2).

Plugging in the values:

y - 2 = m(x - 0)

Simplifying further:

y - 2 = mx

Now, we need to find the value of 'm', the slope of the line. The slope is given by the change in y divided by the change in x between the two points:

m = (y₂ - y₁) / (x₂ - x₁)

Using the given points (0, 2) and (5, 4):

m = (4 - 2) / (5 - 0)

m = 2 / 5

Substituting this value back into the equation, we have:

y - 2 = (2/5)x

To convert this to slope-intercept form (y = mx + b), we can rearrange the equation:

y = (2/5)x + 2

Therefore, the slope-intercept equation for the line passing through the points (0, 2) and (5, 4) is y = (2/5)x + 2.

To learn more about the slope;

brainly.com/question/3605446

#SPJ1

The critical points of the function f(x) = (x² - 9)^(1/3) are x = 0 and x = ±3. These points correspond to the values of x where the derivative of the function is equal to zero or does not exist.

To determine the critical points of the function f(x) = (x² - 9)^(1/3), we need to find the values of x where the derivative of the function is equal to zero or does not exist.

Let's start by finding the derivative of f(x) with respect to x. Using the chain rule, we have:

f'(x) = (1/3) * (x² - 9)^(-2/3) * 2x.

To find the critical points, we set f'(x) equal to zero and solve for x:

(1/3) * (x² - 9)^(-2/3) * 2x = 0.

Since the term (x² - 9)^(-2/3) cannot be zero (as it involves a negative exponent), the critical points occur when 2x = 0.

Solving 2x = 0, we find that x = 0 is a critical point.

Now, let's consider the values of x where the derivative does not exist. This happens when the term (x² - 9)^(-2/3) is zero, which occurs when x² - 9 = 0.

Solving x² - 9 = 0, we find x = ±3.

Therefore, the critical points of the function f(x) = (x² - 9)^(1/3) are:

A) x = 0

B) x = ±3

Learn more about function here:

https://brainly.com/question/30721594

#SPJ11

Answer:

C) 74 ft²

Step-by-step explanation:

3x3x4=36

3x3x4=36

1x1x2=2

36+36+2=74

Answer:

11cm

Step-by-step explanation:

diameter = 16, r = 8 (16÷2)

π = 3.142

V=πr2h

2211.68 = π x 8^2 x h

2211.68 = 3.142 x 64 x h

2211.68 ÷ 64 ÷ 3.142 = h

h = 10.9986

= 11 cm (round off to nearest cm)

To check and confirm

V=πr2h

3.142 x 64 (8^2) x 10. 9986 = 2211.68

Answer:

Step-by-step explanation:

according to the question equation is

3i-71

-4i

Answer:

3i - 7i = (3-7)i = -4i

so -4i.

The constant rate of change for an ear of corn at the grocery store is $0.30.

The constant rate of change describes the slope of a linear relationship.

The constant rate of change is the constant ratio of the output to the input in the function.

We can compute the constant rate of change by forming a set of simultaneous equations from the given variables.

Total Costs of Ears of Corn:

5 ears = $1.50 ... Equation 1 = 5c = $1.50

8 ears = $2.40 ... Equation 2 = 8c = $2.40

Subtract Equation 1 from Equation 2:

Difference = 3c = $0.90 ($2.40 - $1.50)

c = $0.30 ($0.90/3)

Constant rate of change = $0.30

Thus, the constant rate of change implies that each ear of corn at the grocery costs $0.30.

Learn more about the constant rate of change or slope at https://brainly.com/question/10866779

#SPJ1

Answer:

1 and 19

Step-by-step explanation:

I believe this is a factoring problem.

Example:

If we have the equation x^2-2x-3

We can find two numbers that multiply to -3 that add to -2

The two numbers are -3 and 1

(x-3)(x+1)= So x=3 and x=1

Answer:

1 and 19

Explanation:

1x19=19

1+19=20

Answer:

$14.70

Step-by-step explanation:

Find the 30% decrease:

21*0.3 = 6.3

Find new price:

21-6.3 = 14.7

Answer:

$14.7

Step-by-step explanation:

First, we need to convert the percentage to a decimal. 30% = .30

Now we multiply the price times the decimal, 21 x .30 = 6.3

We subtract this amount from the previous cost. 21 - 6.3= $14.7

Answer:

the answer is the first option, A) 2x-7

Step-by-step explanation:

Answer:

"Ay Cuz!" get it no okay but A is the answer

Step-by-step explanation: