Can some plss help me :/

The two essential characteristics of functions are domain and range. Function has a domain of (-1, ∞) and a range of (-∞, ∞), f(x) = log₂x - 1.

Mathematical procedures are comparable to those of a soda vending machine. You can choose from a variety of sodas after you deposit a particular sum of money. Similar to how we enter different numbers into functions, we also receive new numbers as the outcome. The two essential characteristics of functions are domain and range.

A soda can be purchased using quarters and one dollar bills. If pennies are put into the machine, no soda flavor will be provided. As a result, domain depicts the possible inputs, which are quarters and one-dollar bills. No matter how much you pay, a Coke machine won't give you a cheeseburger. As a result, range refers to potential outputs, or in this case,  soda tastes in machine. Let's discover how to graph and determine domain and range of a given function.

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Answer:

37.5% chance

Step-by-step explanation:

well if there are 52 card in a deck and 4 aces.

the probability that it will be red is 50%. As half of the cards are red and the other half is black. the probablility it wil be an ace is 25%. so finding the middle of those would be 37.5%

Answer:

It says an ace or a red card. Red cards have a  50% chance plus 2 black ace cards 26 cards is half red plus 2 28/52 Answer Reduces to: 7/13

Step-by-step explanation:

Answer: I think 149.

Step-by-step explanation:

I consider mean as main, so like the first one the author says. Correct me if I’m wrong.

Answer:

60 degrees

Step-by-step explanation:

Triangle = 180 degrees

60+60+X=180

120+X=180

X=60

Answer:

B

Step-by-step explanation:

A constant rate of change refers to a pattern/slope that is unchanging. On a graph, these rate of changes are usually represented by a straight line, and B is the only graph in the question with such a line.

Answer:

X=13

Step-by-step explanation:

So if ΔABC ≅ ΔDEC, then that means that ∠B is ≅ ∠E. Therefore you would write the equation 3x=6x-39 and solve for X to get 13.

C) 36 yards   18*6=108

108ft to yards is 36

Answer:C

Step-by-step explanation:

Each jump rope is 6 feet long, so 18 jump ropes would require a total of:

18 x 6 = 108 feet of rope

Since there are 3 feet in a yard, we can convert 108 feet to yards by dividing by 3:

108 ÷ 3 = 36 yards

Therefore, the football coach should buy 36 yards of rope. The answer is (C).

In addition to finding confidence intervals for population parameters, another type of inferential statistics is a test of significance, also known as hypothesis testing.

Hypothesis testing is a form of statistical inference that uses data from a sample to draw conclusions about a population parameter or a population probability distribution.

This assumption is called the null hypothesis and is denoted by \(\text{H}_{\text{o}}\). An alternative hypothesis (denoted \(\text{H}_{\text{a}}\)), which is the opposite of what is stated in the null hypothesis, is then defined. The hypothesis-testing procedure involves using sample data to determine whether or not \(\text{H}_{\text{o}}\) can be rejected. If \(\text{H}_{\text{o}}\) is rejected, the statistical conclusion is that the alternative hypothesis \(\text{H}_{\text{a}}\) is true.

Hence, another type of inferential statistics is a test of significance, also known as hypothesis testing.

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The linear equation that shows the relationship between the number of hours it has been snowing, x, and the total snow cover in centimeters, y is given by:

y = 2x + 4

A linear function is modeled by:

\(y = mx + b\)

In which:

In this problem:

Thus, the equation is:

y = 2x + 4

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Answer:

y=4

Step-by-step explanation:

Step-by-step explanation:

Brian takes = 43 minutes

Colin takes = 1 hour = 60 minutes

In ratio,

43/60

Answer:

Step-by-step explanation:

well i think you have to do: \(\frac{4}{5}\) = \(\frac{0.8}{1}\) and that's the unit rate.

But plz check it i'm not sure if its right!!!

i hope it help:3

Domain: {x | x is a real number}

Option D, "{x | x is a real number}" accurately represents the domain of the function.

The domain of the step function f(x) = [2x] - 1, where [2x] represents the greatest integer less than or equal to 2x, can be determined by considering the restrictions on the input values.

In this case, the step function is defined for all real numbers. However, the greatest integer function imposes a restriction. Since the greatest integer function only outputs integers, the input values (2x) must be such that they produce integer outputs.

For any real number x, the greatest integer less than or equal to 2x will always be an integer. Therefore, the domain of the function f(x) = [2x] - 1 is:

Domain: {x | x is a real number}

Option D, "{x | x is a real number}" accurately represents the domain of the function.

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Answer:

A = 147 cm²

Step-by-step explanation:

A = πr²

A = (3)(7)²

A = 3(49)

A = 147 cm²

Hope this helps!

Answer:

34.50 dollars

becuase if you add the percentage to the price it equals that

Answer:

just add the numbers

Step-by-step explanation:

Answer:

false

Step-by-step explanation:

Answer:

Its B

Step-by-step explanation:

I took the test

The amount of pounds of clay left is given by the equation A = 0.51 pounds

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

The total amount of pounds of clay = 3.8 pounds

Now , the amount of clay used by Martha = ( 1/4 ) of the total

So , the amount of clay used by Martha = ( 1/4 ) x 3.8 = 0.95 pounds

And , the remaining amount of clay = 3.8 - 0.95 = 2.85 pounds

Now , the amount of clay used by Scott = ( 2/5 ) of the remaining

So , the amount of clay used by Scott = ( 2/5 ) x 2.85 = 1.14 pounds

And , the remaining amount of clay = 2.85 - 1.14 = 1.71 pounds

On simplifying the equation , we get

Now , the amount of clay used by Alison = 1.2 pounds

So , the remaining amount of clay = 1.71 - 1.2 = 0.51 pounds

Hence , the remaining amount of clay = 0.51 pounds

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No, A and B are not independent events.

Two events are independent if the probability of one event does not affect the probability of the other event. Independent events have a probability of the intersection of the two events being equal to the product of the individual probabilities.

We can test for independence using the following formula:

P(A ∩ B) = P(A) * P(B)

In this case, we have:

P(A ∩ B) = 1/6

\(P(A) * P(B) = (2/5) * (3/8) = 3/20\)

Since P(A ∩ B) ≠ P(A) * P(B), A and B are not independent events. The probability of the intersection of A and B does not equal the product of the individual probabilities, A and B are not independent events.

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Answer:

The LCM of 88 and 90 is 3960.

Answer:

By the Euclidean algorithm, \(\gcd(88, 90) = \gcd(88, 2) = \gcd(0, 2) = 2\). Therefore, \(\text{lcm}(88,90) = \frac{88 \cdot 90}{\gcd(88, 90)} = \frac{88 \cdot 90}{2} = \boxed{3960}.\)

Answer:

Step-by-step explanation:

shop a=115p

shop b=106p

shop b better value as its cheaper

Answer:

Your answer will be A have a good day :)

Step-by-step explanation:

A - 1 = 1 and B is 1

Answer:

A

Step-by-step explanation:

Desnity: mass/volume

3/20= .15

Answer:

  (c)  the converse of the original conditional statement

Step-by-step explanation:

If a conditional statement is described by p→q, you want to know what is represented by q→p.

For the conditional p→q, the variations are ...

As you can see from this list, ...

  the converse of the original conditional statement is represented by q→p, matching choice C.

__

Additional comment

If the conditional statement is true, the contrapositive is always true. The inverse and converse may or may not be true.

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Answer:

3.81 km

Step-by-step explanation:

You first have to get the meters into kilometers. The conversion rate for this is 1 meter = 0.001 kilometer.

So multiply 670 by 0.001 which gives you 0.67.

Then add this to the amount he has already walked to get the total amount of kilometers he has walked.

Answer:

3.81 or

\(3 \frac{81}{100} \)

Step-by-step explanation:

explanation above

Answer:

AnswerVirefid

Step-by-step explanation:

The solution to the system of equations is x = -1, y = -6.

What is a system of equations?

A system of equations is a set of two or more equations that are to be solved together, where the solutions must satisfy all the equations in the system. A system of equations can involve one or more variables and can be expressed in different forms, such as linear equations, quadratic equations, or any other type of equations.

The goal of solving a system of equations is to find the values of the variables that satisfy all of the equations in the system. Depending on the type and complexity of the equations, there are different methods that can be used to solve the system, such as substitution, elimination, or matrix methods.

For example, a system of two linear equations with two variables x and y can be written in the form:

a₁x + b₁y = c₁

a₂x + b₂y = c₂

where a₁, b₁, c₁, a₂, b₂, and c₂ are constants. To solve this system of equations, we need to find the values of x and y that satisfy both equations simultaneously.

Systems of equations can arise in various contexts, including in mathematics, physics, engineering, economics, and other fields. They are used to model and solve a wide range of problems that involve multiple variables and constraints.

To solve the system of equations by the method of subtraction, we need to eliminate one of the variables (x or y) by subtracting one equation from the other.

Given the system of equations:

Y=6x

2x-7y=40

We can use the first equation to express y in terms of x:

y = 6x

Substituting this expression into the second equation, we get:

2x - 7(6x) = 40

Simplifying and solving for x, we get:

2x - 42x = 40

-40x = 40

x = -1

Now that we have found the value of x, we can substitute it back into either equation to find the value of y. Using the first equation:

y = 6x = 6(-1) = -6

Therefore, the solution to the system of equations is x = -1, y = -6.

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