if f(x) = 2x - 4 find f(3x)

Answers

Answer 1

Answer: the answer would be 2

Step-by-step explanation: f(x) means that for every x you are going to multiply it by the value it gives you in this case it is 3.

2x3=6-4=2


Related Questions

Annie's math test had 25 questions. She got 84% correct. How many problems did she get wrong?

Answers

She got 4 wrong because if you find how much is 84% of 25 by multiplying 84% times 0.25 you would get 21. In this case 21 is 84% of 25 and if you were to subtract 25 to 21 you would get 4. So she got 4 wrong

51 time 37 divided by 1 equals to what really need help failing

Answers

Answer:

(51*31)/1 = 1581

Step-by-step explanation:

Carla puts $625 into a savings account at an annual interest rate of 2.5%. If she does not withdraw or deposit any money, what is the interest that Carla will earn at the end of 6 months?
The formula is I=prt
Please dont put random answers
Ill give brainlyist to the correct answer

Answers

Answer: 1,025

Explanation: 2.5% divide it by 109 then multiply by 300 then 1,025

Answer: 7 81 cents

Step-by-step explanation:

yes

Help please

Find the value of x when y=0. x + 4 = y

Answers

Answer: x = -4

Step-by-step explanation:

-4 + 4 = 0

if  y = 0 then X will be -4

Answer:

hello

Step-by-step explanation:

answer is x=-4

because if we add

4-4=0

x+4=0

-4+4=0

please help someone..

please help someone..

Answers

Answer:

x=(3e+2d)/(2g-ef)

Step-by-step explanation:

d=e(3+fx)/(2+gx)

or, 2d+2gx=3e+efx

or, 2gx-efx=3e+2d

or, x(2g-ef)=3e+2d

or, x=(3e+2d)/(2g-ef)

Answer:

x = (-2d + 3e) / (dg - fe)

Step-by-step explanation:

We solve it by using algebra.

1. Multiply each side by 2 + gx:

dgx + 2d = fxe + 3e

2. Subtract fxe on both sides:

dgx − fxe + 2d = 3e

3. Subtract 2d from both sides:

dgx − fxe = −2d + 3e

4. Factor out x:

x (dg − fe) = −2d + 3e

5. Divide dg - fe:

x = (-2d + 3e) / (dg - fe)

I hope this helped! :D

p(x)=2x+2(x+4) to determine the perimeter of the flower box based on the width x in feet

Answers

Answer: The perimeter of the flower box can be determined by adding up the lengths of all four sides. In this case, we can see that the width of the flower box is represented by the variable x in feet, and the height is given as 2(x+4). To find the perimeter, we need to add up the lengths of the top and bottom (2x) and the left and right sides (2(x+4)). So, the perimeter P(x) can be expressed as:

P(x) = 2x + 2(x+4)

Simplifying this expression:

P(x) = 2x + 2x + 8

P(x) = 4x + 8

So the perimeter of the flower box is 4x+8 feet, based on the width x in feet.

Step-by-step explanation:

What is the product? StartFraction 3 k Over k + 1 EndFraction times StartFraction k squared minus 1 Over 3 k cubed EndFraction StartFraction k + 1 Over k squared EndFraction StartFraction k minus 1 Over k squared EndFraction StartFraction negative 1 Over k EndFraction StartFraction 1 Over k EndFraction

Answers

Answer:

StartFraction negative 1 Over k cubed EndFraction

Step-by-step explanation:

3k / (k + 1) × (k²- 1) / 3k³

= 3k(k² - 1) / (k + 1)(3k³)

= 3k³ - 3k / 3k⁴ + 3k³

= -3k / 3k⁴

= -1/k³

StartFraction k + 1 Over k squared EndFraction

(k + 1) / k²

StartFraction k minus 1 Over k squared EndFraction

(k - 1)/k²

StartFraction negative 1 Over k cubed EndFraction

= -1/k³

StartFraction 1 Over k EndFraction

= 1/k

Answer:

B: k - 1 / k^2

Step-by-step explanation:

What is the product? StartFraction 3 k Over k + 1 EndFraction times StartFraction k squared minus 1 Over

Please help! I will give Brainliest!
Who is correct?

Please help! I will give Brainliest!Who is correct?

Answers

Answer:

Erin

Step-by-step explanation:

I believe Erin is right in this case.

The absolute value of (2−7)=

Answers

Absolute value |2-7|=5
That because anything in the absolute value that is a negative answer it will always be positive. Like 2-7 which supposed to equal to -5 but when it come in a absolute value the answer will be positive 5.

The absolute value is:

5

Work/explanation:

First, we will evaluate 2-7.

It evaluates to -5.

Now, let's find the absolute value of -5 by using these rules:

\(\sf{\mid a\mid=a}\)

\(\sf{\mid-a \mid=a}\)

Similarly, the absolute value of -5 is:

\(\sf{\mid-5\mid=5}\)

Hence, 5 is the answer.

Solve for x:
−8+(x7)=−10
Select one:

x=−14

x=−4

x=−3

x=14

Answers

Answer:

The correct answer is, x=−1.104090

which is near to 3.

so the answer is 3.

The Parks and Recreation manager for the city of Detroit recently submitted a report to the city council in which he indicated that a random sample of 500 park users indicated that the average number of visits per month was 4.56. This value should be viewed as a statistic by the city council. (True or false)

Answers

The given statement "The random sample of 500 park users indicated that the average number of visits per month was 4.56. This is a statistic by the city council" is true because it is a numerical measure.

In statistics, a statistic is a numerical measure that summarizes a sample of data. It is used to estimate or infer the characteristics of the population from which the sample was drawn. The value of a statistic is calculated from the sample data and is subject to random variability due to sampling error.

In this case, the Parks and Recreation manager for the city of Detroit has reported that a random sample of 500 park users indicated an average of 4.56 visits per month. This value is calculated from the sample data and represents a statistic, as it is based on a sample and is subject to sampling variability.

The city council should view this value as a statistic and not as a parameter, which is a numerical measure that describes a characteristic of a population.

While the sample statistic can be used to make inferences about the population parameter, it is important to recognize that the sample statistic is subject to random variability and may not perfectly represent the population parameter.

Therefore, the statement that the value of 4.56 visits per month should be viewed as a statistic by the city council is true.

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choose the inequality that represents the following graph (ANSWER ASAPP PLEASE)

 choose the inequality that represents the following graph (ANSWER ASAPP PLEASE)

Answers

B - Since it is a dotted inequality, it would be a equal to and something else. And since it is greater than 3, it would be X is equal to or less than 3

Answer:

B?

Step-by-step explanation:

 choose the inequality that represents the following graph (ANSWER ASAPP PLEASE)

find the area under the standard normal curve over the interval specified below to the right of z=3

Answers

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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Tanya spends 2 hours to edit a 5 minute long video. She edits at a constant rate.
How long does Tanya spend to edit a 15 minute long video?

Answers

Answer:

6 hours - 5 = 2, so 15 = 6 , as its constant

there are two important properties of probabilities. 1) individual probabilities will always have values between and . 2) the sum of the probabilities of all individual outcomes must equal to .

Answers

1.)  Probabilities range from 0 to 1, denoting impossibility and certainty, respectively.

2.) The sum of probabilities of all possible outcomes is equal to 1.

1.) Individual probabilities will always have values between 0 and 1. This property is known as the "probability bound." Probability is a measure of uncertainty or likelihood, and it is represented as a value between 0 and 1, inclusive.

A probability of 0 indicates impossibility or no chance of an event occurring, while a probability of 1 represents certainty or a guaranteed outcome.

Any probability value between 0 and 1 signifies varying degrees of likelihood, with values closer to 0 indicating lower chances and values closer to 1 indicating higher chances. In simple terms, probabilities cannot be negative or greater than 1.

2.) The sum of the probabilities of all individual outcomes must equal 1. This principle is known as the "probability mass" or the "law of total probability." When considering a set of mutually exclusive and exhaustive events, the sum of their individual probabilities must add up to 1.

Mutually exclusive events are events that cannot occur simultaneously, while exhaustive events are events that cover all possible outcomes. This property ensures that the total probability accounts for all possible outcomes and leaves no room for uncertainty or unaccounted possibilities.

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Find the measure of an angle such that the sum of its complement and its supplement is 220o.
a.
The angle is 25o.


b.
The angle is 35o.


c.
The angle is 20o.


d.
The angle is 30o.

Answers

The angle is 25 degrees

How to determine the angle?

Let the measure of the angle be x

So, we have

Complement = 90 - x

Supplement = 180 - x

The sum is 220

So, we have

90 - x + 180 - x= 220

Evaluate the sum

-2x + 270 = 220

Solve for x

x = 25

Hence, the angle is 25 degrees

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20 POINTS + BRAINLIEST

20 POINTS + BRAINLIEST

Answers

Answer:

4x^3 and -12x^3

Step-by-step explanation:

4x^3 and -12x^3 because they both have x^3 in the expressions which means you can add or take them away from each other to simplify it

Michael is planning on renting an apartment and would like to figure out what he can spend on
rent. His gross pay is $4,549.15 per month. He would like to spend 25% of his monthly income
on rent, how much can he afford to spend?

Answers

Answer:

$ 1137.28

Step-by-step explanation:

Which of the following statements are true about segments in a plane? Choose all that apply.
Every segment has infinitely many midpoints
Every segment has two bisectors
Every segment has one perpendicular bisector
Every segment has infinitely many congruent segments
Every segment has one line that is perpendicular to it

Answers

Answer:

Every segment has infinitely many midpoints

Every segment has one perpendicular bisector

Every segment has infinitely many congruent segments

Every segment has one line that is perpendicular to it

Step-by-step explanation:

Segments in a plane: The term "segment" is determined as a specific part that is being cut-out from a particular figure, for example, a spherical or a circular figure through a plane or a line as one of the parts consisting of a "circular area" associated with an arc or its related chord by two distinct planes or lines.

how many of u are from India​

Answers

Answer:

I was born in California and then moved to Texas bt Im indian because my parents are indian

According to albert einstein, what is the greatest mathematical discovery of all time?.

Answers

Answer:

E=Mc squared

Step-by-step explanation:

Can you help me explain

Can you help me explain

Answers

5x= 5 x 2 which equals 10. 10 -4= 6


Hope this helps!:)

Answer:

x = 2

Step-by-step explanation:

5x - 4 = 6

First, you add 4 to 6 and you get:

5x = 10

Then you divide 5 to each side and you get:

x = 2

Hope this helps! :)

Please help me to complete this questions.

Please help me to complete this questions.

Answers

Answer:

1. Because school is important and someone at school can help you.

2. because they are less likely to to attack in-font of a group.

Answer:

1. I think we shouldn't skip school even tho we are getting bullied because we can be greater in life if we keep going and working hard and just letting people hate

2. I don't think that if we surround ourselves with friends we won't get bullied because know for a fact that people will talk, and talk so even if i do have a lot of friends it won't really matter because people will still take stuff out on you

hope this helped

help regular 7th grade math​

help regular 7th grade math

Answers

Answer:

Y = 5x + 3

Now for the other one if your asking is:

Y = -12x + 4

Hope this helped if so please mark brainlist!

please help 10 points

please help 10 points

Answers

Answer:

3/3

Step-by-step explanation:

Divide by 2 each time to find the simplest form until they can't be divided into a whole number. 24÷2=12÷2=6÷2=3

12÷2=6÷2=3

There are several large bowls containing various amounts of tangerines
on a table. When 12 of the bowls each had 8 more tangerines added to
them, the mean (average) number of tangerines per bowl increased by
6. How many bowls of tangerines are on the table?

There are several large bowls containing various amounts of tangerineson a table. When 12 of the bowls

Answers

Answer:

4

Step-by-step explanation:

Which number would make this inequality true?


______ <0.271



0.27100


0.28


0.21


0.309

Answers

0.21 because it is the only one smaller than 0.271 plz mark brainliest, trying to be virtuoso
that answer is correct also ^^^

question says.

which number would make this inequality true?________< 0.271

answer is

0.21

have a good day!!

Alicia runs a small business mowing yards in the summer. for every yard she mows, she earns $40. however, she spends part of this money on gasoline for her lawnmower. each gallon of gasoline costs $3. write an expression for the amount of money that alicia earns in a day, where y is the number of yards she mows and g is the number of gallons of gasoline she buys.

Answers

An expression for the amount of money that Alicia earns in a day is 40y-3g.

Given that, Alicia runs a small business mowing yards in the summer. For every yard she mows, she earns $40. However, she spends part of this money on gasoline for her lawnmower. Each gallon of gasoline costs $3.

We need to find an expression for the given situation.

What is an expression?

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Now, expression =40y-3g

Therefore, an expression for the amount of money that Alicia earns in a day is 40y-3g.

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Answer: $40y − $3g

Step-by-step explanation:

What is the product of the binomials (4a – 1) and (2b + 3)?

Answers

Answer:

8ab+12a-2b-3

Step-by-step explanation:

(4a–1)(2b+3)

Use the FOIL method:

First: 8ab

Outer: 12a

Inner: -2b

Last: -3

8ab+12a-2b-3

8a +12a-3b
Just put everything on the left side as always remember that dont forget so put all the A together then put all the b

Does the graph represent a function?

Does the graph represent a function?

Answers

The answer is not it is not because if you use the vertical line test it does not pass and if you plotted the coordinates then x would repeat multiple times

Hope this helps

Have a great day/night
Answer:no

Explanation:the line goes through 2 points
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