Please help due ASAP .....

Answer:

A) (4, 36)

Step-by-step explanation:

Substituting 4 into the equation gets y = 9(4), which is equal to 36.

Answer:

A) (4,36)

Step-by-step explanation:

You substitute 4 for x then check if y equals to 36

Y=9x

Does 36 equal 4×9? Yes it does. The answer is A

A type 1 error is the rejection of a null hypothesis when it is infact true.

Hence, the correct option is option C

(1,2,4)

Range describes the y-values of a graph.

Range

Range is the y-values that a graph covers. Remember that the y-values are found on the vertical axis. If the graph is not continuous, then the values between the points are not included in the range. Similar to the range, the domain of a graph is the x-values that a graph covers. If there is a coordinate point with a y-value, then that y-value should be included in the range.

Finding Range

In order to find the range, we need to find all the unique y-values of the graph. Additionally, the range is given in numerical order. This means starting from the least value and going up to the greatest. The lowest y-value is 1, then 2, and finally 4. Even though there are two points where y = 2, we are only looking for unique values. This means that the range is (1,2,4).

Answer:

  (0, -2)

Step-by-step explanation:

The solution to a system of equations is the point on the graph where the lines intersect.

Here, both lines have a y-intercept of -2, so intersect there. The solution is ...

  (x, y) = (0, -2)

The time took to meet is 12 minutes if two friends, Zeke and Marshall, are going to depart from their houses.

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

It is given that:

Two friends, Zeke and Marshall, are going to depart from their houses and ride their bikes toward each other until they meet, and then have a picnic.

Let the time is x hour

Distance = time x speed

15x + 17x = 8

22x = 8

x = 8/22

x = 0.36 hour

x = 21 minutes

Thus, the time took to meet is 12 minutes if two friends, Zeke and Marshall, are going to depart from their houses.

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The two numbers 7 and 7 have a product of 49 which has the least sum.

The biggest (maximum) and smallest (minimum) variables that a function f may have, either in a specific area or throughout its whole domain, are known as its maxima and minima.

Let f and f′ vary in terms of their derivatives. If f ′ (a) = 0 and f ′′ (a) > 0, and is the comparative minimum of f in that case.

S (x, y) = x + y is the sum of the two values in our function to minimize.

S may be rewritten as s in one variable by using the constraint xy = 49:

xy = 49

y = 49 ÷ x

S(x,y) = x+y

s(x) = x + (49 ÷ x)

s'(x) = 1 + (49 ÷ x²)

x² = 49

x = ±√49

x = ±7

Considering that we are discussing positive numbers:

x = 7

The second derivative test allows us to confirm that it is at least:

s'(x) = 1 + (49 ÷ x²)

s''(x) = 98 ÷ \(x^3\)

s''(x) = 98 ÷ \(x^3\) > 0

The second number is obtained by using the requirement that the combination of the two numbers must equal 49:

x = 7

xy = 49

7y = 49

y = 7

The two numbers 7 and 7 have a product of 49 which has the smallest sum.

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Answer:

one

Step-by-step explanation:

Population: All American households.

Sample: The 1780 American households surveyed.

Individuals: The American households participating in the survey.

In the given scenario, we have a survey of 1780 American households that found 59% of the households own a computer. Let's identify the population, sample, and individuals in the study:

Population: The population refers to the entire group or larger set of individuals that we are interested in. In this case, the population would be all American households.

Sample: The sample is a subset of the population that is chosen to represent the population accurately. In this situation, the survey includes 1780 American households. Therefore, the sample is the 1780 households that were surveyed.

Individuals: The individuals in the study are the specific units or elements being surveyed or examined. In this case, the individuals are the American households that participated in the survey. Each household represents an individual within the study.

To summarize:

Population: All American households.

Sample: The 1780 American households surveyed.

Individuals: The American households participating in the survey.

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Answer:

D

Step-by-step explanation:

The last line is not a straight line because when you start from 1 and plug higher numbers, you see that forms a quadratic curve or parabola.

Answer:

12

Step-by-step explanation:

Hello I am sorry to say but the answer should be 12 as 3/2÷1/8=12

hope it helps you

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Answer:

r/9

Step-by-step explanation:

r/10+4-5

r/14-5

r/9

Hi, there.

 ______

\(\boldsymbol{\dfrac{r}{10}=4-5}\)

» Combine like terms

\(\boldsymbol{\dfrac{r}{10}=-1}\)

» Multiply both sides by 10.

\(\boldsymbol{r=-10}\)

Hope the answer - and explanation - made sense,

happy studying!!

A given linear model shows negative correlation.

The correlation coefficient describes how one variable moves in relation to another. A positive correlation indicates that the two move in the same direction, with a value of 1 denoting a perfect positive correlation. A value of -1 shows a perfect negative, or inverse, correlation, while zero means no linear correlation exists.

Given that, a researcher fit a linear model to her data and calculated the correlation coefficient to be -0.29.

Here, a linear model shows negative, or inverse, correlation.

Therefore, a given linear model shows negative correlation.

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Answer:

Step-by-step explanation:

cos²(x) = 1-sin²(x) = 144/169

cos(x) = √(144/169) = 12/13

:::::

tan(x) = sin(x)/cos(x) = (5/13)/(12/13) = (5/13)×(13/12) = 5/12

Answer:

As we know that

\(\sf 1 \:Foot=12inches \)

\({:}\longrightarrow\)\(\sf {\dfrac {7}{12}}\:of \; 12 \)

\({:}\longrightarrow\)\(\sf {\dfrac {7}{{\cancel {12}}}}\times{\cancel { 12 }}\)

\({:}\longrightarrow\)\({\underline{\boxed{\bf 7inches}}}\)

by using log notation, the value of x =㏒₃500 or x = 5.657

Log notation is a mathematical expression used to represent any exponential relationship in its inverse form.

we use log notation to solve an equation in where an unknown variable is in index form. By applying logarithm laws, we write an exponential equation in the inverse form and finally we get the unknown values.

in the above equation 3ˣ = 500

using log notation, we get ㏒₃500 = x

                                    x= 5.657

hence, the solution is x = 5.657

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Let the number be "x" , then according to the question :

• 2x - 12 = -8

Further solving

→ 2x = -8 + 12

→ 2x = 4 .

→ x = 2

★ Solution :

Let number be n.

\(\rule{130}{1}\)

☯ \(\underline{\boldsymbol{According\: to \:the\: Question\:now :}}\)

\(:\implies\sf 2n - 12 = -8 \\\\\\:\implies\sf 2n = -8 + 12\\\\\\:\implies\sf 2n = 4\\\\\\:\implies\sf n = \dfrac{4}{2}\\\\\\:\implies\underline{\boxed{\sf n = 2}}\:\:\:\:\:\Bigg\lgroup\bf{Required\: number}\Bigg\rgroup\)

\(\therefore\:\underline{\textsf{The required number is \textbf{2}}}.\)

Using the given graph we can answer the questions:

a. The parabola opens upward.

b. The coordinates of the vertex, which is the point at the bottom of the parabola, are (2,1).

c. The equation of the axis of symmetry is x=2.

d. The y intercept is 5.

The graph has no x intercepts.

The y-intercept of the line 15 - 3y = x is ( 0 , 5 )

Sure hope this helps you

This indicates that the average number of hours worked by the part-time employees is 17.5 hours per week.

This indicates that the average number of hours worked by the part-time employees is 17.5 hours per week.

17.5 hour

Mean = (5x0.15) + (15x0.28) + (20x0.31) + (25x0.26) = 17.5 hours

The mean of the variable is calculated by multiplying the value of each individual category with its probability, and then summing the resulting values. In this case, the mean is calculated as (5x0.15) + (15x0.28) + (20x0.31) + (25x0.26) = 17.5 hours. This indicates that the average number of hours worked by the part-time employees is 17.5 hours per week.

the complete question is :

Consider the following table of hours worked by part-time employees. These employees must work in 5 hour blocks.Weekly hours worked Probability5 0.1515 0.2820 0.3125 0.26Find the mean of this variable.

Weekly hours   worked Probability

5                              0.15

15                            0.28

20                           0.31

25                           0.26

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Answer:

\(\sqrt{(6w)^2+(10w)^2} \)

Step-by-step explanation:

You need to use Pythagoras' theorem:

\(c=\sqrt{a^2+b^2} \) where a and b are the sides of the field.

So the distance from one corner to the opposite corner = \(\sqrt{(6w)^2+(10w)^2} \)

There ought to be infinitely many solutions.

How many solutions can a system of 3 linear equations with 5 variables have?

There are infinitely many solutions. Assuming the 3 linear equations are linearly independent you have 2 free variables that can be chosen freely and depending on those two values you can find the 3 remaining variables as function of those two so for any choice of those two variables you can find a solution. If the equations are not linearly independent you have effectively only 1 or two equations so you can pick 4 or 3 variables freely and then the remaining variable or variables are function of these.

How do you solve a system of equations with 3 variables?
Simultaneous equations. Easy, if they are all linear. Possibly difficult otherwise. Basically pick 1 variable and 1 equation to rearrange so that variable is expressed in terms if the other 2. Then simplify. Now you have 2 equations in 2 variables. Repeat with the remaining 2 variables. When you have solved for the last variable, you can then substitute to solve for the second last. Then backtrack to the original substitution and solve that. General advice that works even for nonlinear equations.

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4ft = 48in or 4 feet is equivalent to 48 inches.

In mathematics, conversion is the process of changing the value of one form or unit to another. It can be changing ones unit of length, weight, volume or even currency to another.

A conversion factor is a number used to change one set of units to another, either by multiplying or dividing.

The sentence states an equality between units of length: feet and inches.

From there, we can say that we are asked how many inches are there in 4 feet

Converting feet to inches, we must use the conversion

1 foot = 12 inches

4ft = 4 (12 inches)

4ft = 48in

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The phase angle between the current and voltage in a pure resistive circuit is 0 radians.

How to determine the answer:In a pure resistive circuit, the phase angle between current and voltage is \(0\) radians.

This is because a pure resistive circuit has a voltage and a current in the same phase, which implies that the two are in phase.

To understand this, let's look at the two main parts of the question: a pure resistive circuit and the phase angle between current and voltage.

A pure resistive circuit is a circuit in which the only element is a resistor.

This means that the circuit does not contain any inductors or capacitors and, as a result, does not have any phase shift in the current or voltage.

The phase angle between current and voltage is the angle between the current and voltage waveforms in a circuit.

The angle is measured in radians and is positive for capacitive circuits and negative for inductive circuits.

In conclusion, the phase angle between current and voltage in a pure resistive circuit is \(0\) radians.

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The constant term is 8, which means that the y-intercept of the graph of g is (0, 8).

In mathematics, a function is a rule that assigns a unique output value for every input value in a set. It is a relation between a set of inputs and a set of possible outputs, with the property that each input is related to exactly one output. Functions are widely used in various fields of mathematics, science, engineering, and technology to model and analyze real-world situations, to describe how quantities depend on one another, and to solve problems.

Here,

If we set k=4, the function g(x) becomes:

g(x) = k(x+2) = 4(x+2)

The value of k affects the slope of the graph of g compared to the graph of f. In this case, since k=4, the slope of the graph of g is 4 times the slope of the graph of f.

The slope of the graph of f is 1, since the coefficient of x is 1. Therefore, the slope of the graph of g is:

4 * 1 = 4

This means that the graph of g is steeper than the graph of f.

The y-intercept of the graph of f is 2, since the constant term is 2. Setting k=4 does not affect the y-intercept of the graph of g, since the constant term remains the same:

g(x) = 4(x+2) = 4x + 8

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The appropriate distribution to use in this case is the discrete probability distribution since the number of missed days of employees at the shoe store is limited to specific values with associated probabilities.

In a discrete probability distribution, the random variable can only take on specific, separate values with associated probabilities. In this scenario, the number of missed days of employees at the shoe store can only take values from 0 to 10, which are distinct and separate values.

To construct the discrete probability distribution, we need to know the probabilities associated with each possible number of missed days. These probabilities will determine the likelihood of each outcome occurring. The sum of all probabilities should be equal to 1, as it represents the total probability of all possible outcomes.

Once we have the probabilities for each possible number of missed days, we can plot the distribution and analyze the likelihood of different outcomes. The distribution will provide insights into the frequency and probability of various levels of employee absenteeism at the shoe store.

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The unit cost of apples is found to be $5.5 per pound. So the cost of 7.9 pounds of apple will be 43.45.

Here we have to calculate the value of a pound of apple from the given data, and then should multiply the unit value to find the cost of the given weight.

Weight of apple that was purchased = 3.3 lbs.

Cost of 3.3 lbs. of apples = 18.15

Cost of a pound of apple = Cost of apples purchased/ weight of apples purchased

= 18.15/3.3 = 5.5.

So each pound of apple will cost $5.50.

Weight of apple to be purchased = 7.9 lbs.

Cost of the apples = Weight of apples × unit price

                               = 7.9 × 5.50 = 43.45.

So the cost of 7.9 pounds  of apple will be $43.45.

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If a logical vector z has at least one entry TRUE, the function all(!z) will always be false.

If a logical vector contains only TRUE items, the all() method returns FALSE; otherwise, it returns TRUE.

The any() function, on the other hand, gives a result of TRUE if a logical vector has at least one element that is TRUE and FALSE otherwise.

any(z) will always be TRUE if z contains at least one TRUE element since there is at least one TRUE element. On the other hand, depending on whether all of the components of z are TRUE, all(z) may or may not be TRUE.

any(!z) will always return FALSE since if z has at least one TRUE element, then!z must include at least one FALSE element.

Additionally, all(!z) will always return FALSE if any element is FALSE since if z has at least one TRUE element, then!z must include at least one FALSE element.

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1.545 is  the riemann sum of the function .

What does Riemann sum do?

f(x) = x

p = { 1, 1.2 , 1.7 , 2}

c = { 1.1, 1.45,2}

fpr the interval  ( 1, 1.2) Δx = 0.2

                          ( 1.2, 1.7 ) Δx = 0.5

                           ( 1.7 , 2 )  Δx = 0.3

R(f, p,c ) = f(1.1) 0.2 + f( 1.45)0.5 +  f(0)0.3

             = (1.1) × 2  + ( 1.45) ×( 0.5) +  2 × 0.3

             = 0.22 + 0.725 + 0.6

             = 1.545

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