Please answer the question in the photos below ( will mark brainliest if available + 20p )

Answer:

true

Step-by-step explanation:

hope you have a wonderful new year

you first check if it hyperbola,linear , exponential,parabola

The slope - intercept form of a line is given by the equation:

In this case, we know that m=2 and y=5. So, the equation of this line will be:

To graph it, we need to plot two points and then join them both. These points could be:

Graphing:

Answer:

B. 124.2

Step-by-step explanation:

Area= b*h

Area= 13.5*9.2

Area = 124.2

Answer:

The answer is -4/21

Step-by-step explanation:

Statistical power is a measure of the ability to reject the null hypothesis when it is false. It represents the probability of correctly identifying a true effect or relationship in a statistical hypothesis test.

A high statistical power indicates a greater likelihood of detecting a significant result if the null hypothesis is indeed incorrect. The power of a statistical test depends on several factors, including the sample size, the effect size (the magnitude of the true effect or difference), the chosen significance level (often denoted as α), and the variability or noise in the data. Increasing the sample size or effect size generally increases the statistical power, while a lower significance level or higher variability decreases it.

Power analysis is commonly used to determine an appropriate sample size for a study, ensuring that it is adequately powered to detect the desired effect. A higher power is desirable as it reduces the chances of a Type II error (failing to reject the null hypothesis when it is false) and increases the chances of correctly detecting real effects or relationships.

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Step-by-step explanation:

since we have the relation (inches/dollars)

4.3 inches down per dollar

per 10 dollars 43 inches down

per half a dollar 2.15 inches down

per 63.60 dollars 273.48 inches down

Answer:

Slope = 5

Step-by-step explanation:

y = mx + b

m = slope

Slope = 5

Answer:

5

Step-by-step explanation:

Since this is written in slop-intercept form (y = mx + b where m is slope and b is y-int.) the slope is 5.

Answer:

\(\boxed{\sf \ \ \ g^{-1}(x)=\sqrt{\dfrac{x+5}{3}} \ \ \ }\)

Step-by-step explanation:

Hello,

\(x=(gog^{-1})(x)=g(g^{-1}(x))=3(g^{-1}(x))^2-5\\\\<=>3(g^{-1}(x))^2 = x+5\\\\\\<=> (g^{-1}(x))^2=\dfrac{x+5}{3}\\<=>g^{-1}(x)=\sqrt{\dfrac{x+5}{3}}\)

hope this helps

The inverse of function is x= √1/3( y+5 )

A function that reverses the effects of another function is called an inverse function. When y=f(x) and x=g(y), a function g is the inverse of a function f. . Applying f and then g is equivalent to doing nothing, in other words. This can be expressed as g(f(x))=x in terms of the relationship between f and g.

Given:

g(x) = 3x² - 5

To find the inverse of the function take g(x) = y

Then, solve for x

y=  3x² - 5

y + 5=  3x²

x² = 1/3( y+5 )

x= √1/3( y+5 )

Hence, the inverse of function is x= √1/3( y+5 ).

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Answer:

Solution,

\(f(x) = - 4 {x}^{2} + 5x \\ f(6) = - 4 \times {6}^{2} + 5 \times 6 \\ \: \: \: \: \: \: = - 4 \times 36 + 30 \\ \: \: \: = - 144 + 30 \\ \: \: \: - 114\)

hope this helps.

Good luck on your assignment..

Answer:

-114

Step-by-step explanation:

To find f(6), you need to plug in the value in parentheses wherever there is an x in the equation.

f(x) = -4x + 5x

f(6) = -4(6) + 5(6)

f(6) = -4(36) + 30

f(6) = -144 + 30

f(6) = -114

The answer is -114.

The chi-square test of independence is typically used to analyze the relationship between two variables when both variables are nominal, the two variables have been measured on different individuals and the observations on each variable are within-subjects in nature. The answer is  D. all of the above

The chi-square test of independence is a statistical test that is used to determine if there is a significant association between two categorical variables. It is commonly used when both variables are nominal, meaning they consist of categories or groups rather than numerical values.

When conducting the chi-square test of independence, the data is typically collected by measuring the two variables on different individuals or units.

For example, researchers may collect data on the gender (nominal variable) and political affiliation (nominal variable) of different individuals and analyze whether there is a relationship between the two variables.

The test examines the observed frequencies of the different categories in a contingency table and compares them to the expected frequencies under the assumption of independence. If the observed and expected frequencies significantly differ, it suggests that there is an association between the two variables.

Therefore, the chi-square test of independence is applicable when both variables are nominal and the data is collected on different individuals. This allows researchers to investigate the relationship between the variables and determine if they are associated or independent.

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Answer:

Displacement

Step-by-step explanation:

hope this helps !

To determine how long it will take Mary Corens to repay her student loan, we can divide the total loan amount of $15,000 by the annual repayment amount of $1,800. The result will give us the number of years it will take her to repay the loan.

it will take Mary approximately 8 years to repay the loan.

By dividing the total loan amount of $15,000 by the annual repayment amount of $1,800, we can calculate the number of years needed to repay the loan.

Loan amount: $15,000

Annual repayment: $1,800

Number of years = Loan amount / Annual repayment

Number of years = $15,000 / $1,800

Number of years ≈ 8.33

Since we are asked to round the answer to the nearest whole number, Mary will take approximately 8 years to repay the loan.

It's important to note that this calculation assumes a constant annual repayment amount of $1,800 throughout the entire loan repayment period. In reality, factors such as interest accrual and varying repayment schedules may affect the actual time it takes to fully repay the loan. Additionally, any changes to the annual repayment amount would also impact the duration of the loan repayment.

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x - 1 < -10

add 1 to both sides

x - 1 + 1 < -10 + 1

x < -9

Answer: 1 whole

Step-by-step explanation:

Answer:

y = k/x^2

Step-by-step explanation:

The k is some constant . Varying inversely means that as x^2 increases y decreases so the x^2 is the denominator of a fraction.

Answer:

formular connecting

hope this helps

Answer:

a= 10; b= 4; c= -2 ;d = -5

Step-by-step explanation:

\(f(x) = 1-3x\\f(-3) = 1-3(-3)=1-(-9)=1+9=10\\f(-1) = 4\\f(1) = -2\\f(2)=-5\)

Answer:

a record of all the mail that a mailbox identifies as Junk

Answer:

the slope of the line is 2

Step-by-step explanation:

Answer:

m = 4

Step-by-step explanation:

Think of the slope as rise/run

each time you move 4 points up you move 1 point to the right

giving you 4/1  

⇒The measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.

\(2a=(a+10)+44\\2a=a+54\\2a-a=54\\a=54\)

⇒The exterior angle in this case NOTE IT IS 2a NOT a

⇒Therefore Exterior angle is =2(54°)

=108°

The answer is 108°

Answer:

68°

Step-by-step explanation:

We know that,

  the exterior angle of a triangle is equal to the sum of the interior opposite angles of a triangle.

Accordingly,

44 + a + 10 = 2a

First, subtract a from both sides.

44 + 10 = 2a - a

34 = a

Now let us find the measure of the exterior angle.

2a

2 × 34

68°

The area under the curve y = x² + 5/7x - x² from 1 to 6 is equal to 25 square units.

To find the area of the region under the given curve from 1 to 6, we need to integrate the function y = x² + 5/7x - x² with respect to x over the interval [1, 6].
First, we need to simplify the function by combining like terms:
y = x² + 5/7x - x²
y = 5/7x
Now, we can integrate the function over the interval [1, 6]:
∫[1, 6] (5/7x) dx = (5/7) * ∫[1, 6] x dx
= (5/7) * [x^2/2] from 1 to 6
= (5/7) * (36/2 - 1/2)
= (5/7) * (35)
= 25

Therefore, the area of the region under the given curve from 1 to 6 is 25 square units.

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Answer:

47

Step-by-step explanation:

I dont know

The percent change is given by:

Where:

New value = 36in

Old value = 12 in

Therefore:

Answer:

200%

The single percentage change is 6.85%.

Here it is given that there is a 19% decrease and a 15% increase. And we have to find a single percentage change.

The formula of single percentage is

a + b + a .b/ 100

So let's take a = -19 as there is a decrease in the percentage and b = 15 as there is an increase.

So we get a single percentage = -19 + 15 - (19×15)/ 100

                                                    = - 4 -2.85

                                                    = -6.85

Therefore the single percentage change is 6.85%.

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  Among the given options (A, B, C, D), the correct population regression model when k = 2 is option D: Y = β0 + β1X1 + β2X2 + e.

In a population regression model, we are interested in modeling the relationship between a dependent variable (Y) and one or more independent variables (X1, X2, etc.). The model equation consists of the regression coefficients (β0, β1, β2, etc.) that represent the effect of each independent variable on the dependent variable, and the error term (e) that captures the unexplained variation in the data.
Among the given options, only option D includes all the necessary components of a population regression model with two independent variables (k = 2). It includes the dependent variable Y, the regression coefficients β0, β1, and β2 for the independent variables X1 and X2, respectively, and the error term e.
Options A, B, and C are incorrect because they either omit the error term or have an incomplete equation. The error term is crucial in accounting for the unobserved factors and random variation in the relationship between the variables.
Therefore, the correct population regression model when k = 2 is option D: Y = β0 + β1X1 + β2X2 + e.

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The standard normal curve, also known as the standard normal distribution or the z-distribution, is a specific probability distribution that follows a bell-shaped curve. The area under the standard normal curve to the right of z = 3 is approximately 0.0013.

For the area under the standard normal curve to the right of z = 3, we need to calculate the cumulative probability from z = 3 to positive infinity.

The standard normal distribution, also known as the z-distribution, has a mean of 0 and a standard deviation of 1. It is a symmetric bell-shaped curve that represents the distribution of standard scores or z-scores.

Using statistical tables or software, we can find the cumulative probability associated with z = 3, which represents the area under the curve to the left of z = 3.

The cumulative probability for z = 3 is approximately 0.9987.

For the area to the right of z = 3, we subtract the cumulative probability from 1.

Therefore, the area to the right of z = 3 is approximately 1 - 0.9987 = 0.0013.

In conclusion, the area under the standard normal curve to the right of z = 3 is approximately 0.0013.

This means that the probability of randomly selecting a value from the standard normal distribution that is greater than 3 is approximately 0.0013 or 0.13%.

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Gerald is scheduled to be in class for 45/93 of the time from 8:00 a.m. to 2:15 p.m. on Thursday.

To determine the fraction of time Gerald is scheduled to be in class, calculation of the duration of his class and divide it by the total duration from 8:00 a.m. to 2:15 p.m.

Step 1: Calculate the duration of Gerald's class:

The class starts at 8:30 a.m. and ends at 12:00 p.m. To find the duration, we subtract the start time from the end time:

12:00 p.m. - 8:30 a.m. = 3 hours and 30 minutes.

Step 2: Calculate the total duration from 8:00 a.m. to 2:15 p.m.:

To find the duration, we subtract the start time from the end time:

2:15 p.m. - 8:00 a.m. = 6 hours and 15 minutes.

Step 3: Calculate the fraction of time Gerald is scheduled to be in class:

To find the fraction, we divide the duration of Gerald's class by the total duration:

3 hours and 30 minutes / 6 hours and 15 minutes = 210 minutes / 375 minutes.

To simplify the fraction,  divide both the numerator and denominator by their greatest common divisor, which is 15:

210 minutes ÷ 15 / 375 minutes ÷ 15 = 14 / 25.

Therefore, Gerald is scheduled to be in class for 14/25 of the time from 8:00 a.m. to 2:15 p.m. on Thursday.

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Each calculator would cost 30 dollars (sorry if this isn't what you mean)