What is the value of f(x) = 3x - 5 when x = 6

Answers

Answer 1

Plug in 6 for x in the equation:

f(6) = 3(6) - 5

Remember to follow PEMDAS. First, multiply

f(6) = 3(6) - 5

f(6) = 18 - 5

Finally, subtract

f(6) = 18 - 5

f(6) = 13

f(6) = 13 is your answer

hope this helps


Related Questions

3x + 4y = 16 slope y and x intercepts

Answers

I think the x-intercept will be (16/3,0)

AND the y-intercept to be (0,4)

slope=-3/4

x intercept= (16/3,0)

y intercept=(0,4)

the basketball team sold t shirts and hats as a fundrasier they sold a total of 23 items and made a profit of 246 the made a profit of 10 for every shirt and every hat is 12 when they sold them enter the number of t shirts and enter the amount of hats

Answers

s - the number of the t-shirts;

h - the number of hats:

The system of equations:

s + h = 23

10 s + 12 h = 246

--------------------------

s = 23 - h

10 * ( 23 - h ) + 12 h = 246

230 - 10 h + 12 h = 246

2 h = 246 - 230

2 h = 16

h = 16 : 2

h= 8

s = 23 - 8

s = 15

Answer: The basketball team sold 15 t-shirts and 8 hats.


mark me as brainliest answer


If f(x)=5x+4, which of the following is the inverse of f(x)?

Answers

[tex]Solution,\mathrm{Inverse\:of}\:5x+4:\quad \frac{x-4}{5}[/tex]

[tex]Steps:[/tex]

[tex]y=5x+4[/tex]

[tex]\mathrm{Interchange\:the\:variables}\:x\:\mathrm{and}\:y, x=5y+4[/tex]

[tex](\mathrm{Solve}\:x=5y+4\:\mathrm{for}\:y),(x=5y+4)[/tex]

[tex]\mathrm{Switch\:sides}, 5y+4=x[/tex]

[tex]\mathrm{Subtract\:}4\mathrm{\:from\:both\:sides}, 5y+4-4=x-4[/tex]

[tex]\mathrm{Simplify}, 5y=x-4[/tex]

[tex]\mathrm{Divide\:both\:sides\:by\:}5, \frac{5y}{5}=\frac{x}{5}-\frac{4}{5}[/tex]

[tex]\mathrm{Simplify}, y=\frac{x-4}{5}[/tex]

[tex]\mathrm{The\:Correct\:Answer\:is\:\frac{x-4}{5}}[/tex]

[tex]\mathrm{Hope\:This\:Helps!!!}[/tex]

[tex]\mathrm{-Austint1414}[/tex]

To find the inverse of f(x) = 5x + 4, swap x and y to get x = 5y + 4, solve for y to get y = (x - 4)/5, which is the inverse.

With the given function f(x) = 5x + 4, we first replace f(x) with y to get y = 5x + 4. We then swap x and y to get x = 5y + 4. To solve for y, we subtract 4 from both sides, giving us x - 4 = 5y. Then, we divide both sides by 5, yielding (x - 4)/5 = y. Therefore, y = (x - 4)/5, which is the inverse of the function f(x).

Determine the slope of the line that passes through the points (-5, -4) and (0, 10).

Answers

so the equation for slope is y2-y1/x2-x2

so this would be -4-10/-5-0 which equals -14/-5 which is the same thing as 14/5

so the answer is 14/5 or if its mixed then 2 4/5

Hope this helps!

m=y2-y1/x2-x1

m=1-1/10-(-5)

m=1-1/10 + 5

m=0/15

Slope: m=0

How many ounces of a 40% alcohol solution must be mixed with 16 ounces of a 45% alcohol solution to make a 44% alcohol solution

Answers

I'm pretty sure it's 4 ounces so it makes up 1/5 of 40% alcohol and 4/5 of 45% alcohol

Please help !! :) I am offering 20 points !!

Answers

(2,3)  is the ordered pair because both lines meet at this direct point on the graph.

x=2

y=3


Is Ralph's ran 15 miles in 5 days how far will he be expected to run in 8 days

Answers

24 miles because, s Ralph runs 15 miles in 5 days, so 5 times 3 =15 so 3 times 8 = 24 miles


[tex] \frac{15}{5} = 3 \: miles \: a \: day \\ 3 \times 8 = 24[/tex]
so he would run 24miles in 8 days

-2.1 1.3 1.5 -1.2 -0.6 0.9 3.4 from least to greatest

Answers

-2.1 , -1.2 , -0.6, 0.9, 1.3 , 1.5 , 3.4

Hope this helps!


-2.1,-1.2,-.6,.9,1.3,1.5,3.4

3/5 of a number is 30. What's the number?

Answers

To figure out the number we need to set up our equation to make more sense.

3/5 = 30/x      (x is our missing number)

We know that what ever you do to the top of the fraction you can do to the bottom.

So if we multiply 3 x 10 we get 30.

Therefore to get the number we must multiply 5 by 10

5 x 10 = 50

So our answer and missing number is 50

The answer is 50 Bc when u 30 divided by 3 you get 10 and 10 times 5 equals 50

Bryce rides his bike 4 blocks west to school after school he rides six blocks East to the grocery store how many blocks past his house is Bryce when he arrives at the grocery store

Answers

He rode 6 blocks to the East than he rode 4 blocks to the West, so that means after he rode 6 blocks to the east he went backwards 4 blocks.

The equation is, 6-4=2 Because he only past 2 blocks from his home to arrive at the grocery store.

Final answer:

Bryce is 2 blocks past his house when he arrives at the grocery store.

Explanation:

To find out how many blocks past his house Bryce is when he arrives at the grocery store, we need to calculate the total distance he has traveled from his house to the grocery store. He rides 4 blocks west to school and then 6 blocks east to the grocery store. To find the total distance, we can subtract the distance traveled west from the distance traveled east: 6 blocks - 4 blocks = 2 blocks past his house.

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an elephant at the zoo lost 24 pounds over 6 months. The elephant lost the same amount of weight each month. Whats the integer that represents the change in the elephant's weight each month

Answers

To find how many pounds the elephant lost per month, divide 24lbs by 6 months, you get 4 pounds per month. Therefore the elephant loses 4 pounds per month.

Answer: 4 pounds per month

According to the Triangle Inequality, the length of the longest side of a triangle must be less than the sum of the length of the other two sides. The two shortest sides of a triangle measure 3/10 and x + 1/5, and the longest side measures 3/2x

Answers

x has to equal 1. 3/10 + 1/5 = 1/2

the equation is now 1/2 + x = 1 1/2x

x = 1

1 1/2 = 1 1/2

Final answer:

The Triangle Inequality Theorem is applied to determine the range of values for x that would make the side lengths given form a valid triangle.

Explanation:

Understanding the Triangle Inequality Theorem

The Triangle Inequality Theorem states that in any triangle, the length of any side must be less than the sum of the other two sides. For the given question, we need to use this principle to analyze the side lengths. With the two shorter sides given as [tex]\( \frac{3}{10} \) and \( x + \frac{1}{5} \)[/tex], and the longest side given as [tex]\( \frac{3}{2}x \)[/tex], we can establish the inequality:

[tex]\( \frac{3}{2}x < \frac{3}{10} + \left( x + \frac{1}{5} \right) \).[/tex]

By solving this inequality, we can find the range of possible values for x that makes the configuration a valid triangle. This problem is an application of basic geometric principles and inequalities.

two-thirds a number less than four is negative seven.

Answers

4 - 2/3x = -7 would be the equation to represent this.

At the gym, Hillary swims every 6 days, runs every 4 days and cycles every 16 days. If she did all three activities today, in how many days will she do all three activities again on the same day?

GCF or LCM

Answers

the LCM of 4,6 and 16 is 48

so every 48 days she does all the activities on the same day

Simplify the following expression.
6k – 1 + 6k

Answers

The simplified answer is 12k -1

Hope this helps!!!!!!!!1

Hello!

[tex]6k - 1 + 6k\\[/tex]

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓

First this problem it should be the group like terms.

[tex]6k+6k-1[/tex]

Then you add similar by the elements.

[tex]6k+6k=12k[/tex]

[tex]=12k-1[/tex]

Answer⇒⇒⇒⇒⇒⇒⇒=12k-1

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

13*52 using the distributive property

Answers

Hello!

[tex]13*52=676[/tex]

Explanation: This question is super easy. This question it just like a order of operations. First you had to multiply by 52, 13*52= 676 is the right answer. Hope this helps! And thank you for posting at here on Brainly. And have a great day! -Charlie

I need help with this equation
A(x+b)-c=d

Answers

Reorder the terms:
a(b + x) + -1c = d
(b * a + x * a) + -1c = d
(ab + ax) + -1c = d

Solving
ab + ax + -1c = d

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add 'c' to each side of the equation.
ab + ax + -1c + c = c + d

Combine like terms: -1c + c = 0
ab + ax + 0 = c + d
ab + ax = c + d

Reorder the terms:
ab + ax + -1c + -1d = c + -1c + d + -1d

Combine like terms: c + -1c = 0
ab + ax + -1c + -1d = 0 + d + -1d
ab + ax + -1c + -1d = d + -1d

Combine like terms: d + -1d = 0
ab + ax + -1c + -1d = 0

There is no solution to this equation.

Jade farm has 9 chickens,each of which laid 3 eggs. Jases farm has 4 horses. ednas farm has chickens which laid a total of 23 eggs. jase wonders whose chickens laid more eggs.

Answers

The answer is that Jade's chickens laid more eggs. Since Jade's farm includes 9 chickens, which each laid 3 eggs, multiply 9 and 3 and you get 27. Edna's farm has chickens which, in total, laid 23 eggs, leading to Jade's chickens with 27 eggs to be more than the eggs laid by Edna's chickens. :)

Answer:

Jade's chickens laid more eggs.

Step-by-step explanation:

Jade farm has number of chickens = 9

Each chickens laid number of eggs = 3

Total number of eggs on Jade's farm = 9 × 3 = 27 eggs

Ednas farm has chickens which laid a total of 23 eggs.

Difference between number of  eggs = 27 - 23 = 4

Therefore, Jade's chickens laid 4 more eggs.

Which of the following equations represents a horizontal line passing through the point (2,4)? y = 2x + 4 y = 4 x = 2 y = 4x + 2

Answers

The correct answer is y = 2x + 4.


The slope would be 2 and the y intercept would be 4. Now that we kbow this, we can determine that if we continuously put these points on a graph, it will make a horizontal line.


Hope this helps!!

Which of the following is a mathematical statement showing that one ratio is equal to another ratio?

Answers

a proportion is a statement that two ratios are equal

Answer:

Proportion

Step-by-step explanation:

took test

The bike rental company has determined that they will charge based on the nearest half hour. If Michael rented a the bike for 5.5 hours how much would that cost ?

Answers

Answer:

If it were.... 5 dollars or so... That would be 30 dollars i think...

Step-by-step explanation:

The rental cost of the bike for 5.5 hours will be $55.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the bike rental company has determined that they will charge based on the nearest half-hour is $5.

The number of half-hours in 5.5 hours,

N = 5.5 / 0.5 = 11

The rental cost will be,

C = 11 x 5

C = $55

Therefore, the rental cost of the bike for 5.5 hours will be $55.

The complete question is given below.

The bike rental company has determined that they will charge based on the nearest half hour is $5. If Michael rented the bike for 5.5 hours how much would that cost?

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Given A= {(2,3),(5,1),(-3,-2),(0,3)} A is a subset of

A. N X R
B. R X N
C. N x N
D. R X R

Answers

[tex]A=\{(2,\ 3),\ (5,\ 1),\ (-3,\ -2),\ (0,\ 3)\}\\\\X=\{2,\ 5,\ -3,\ 0\}\\\\Y=\{3,\ 1,\ -2}\\\\-3\ and\ -2\ are\ not\ a\ natural\ numberss.\\\\Therefore\ your\ answer\ is\ D.\ \mathbb{R}\ \times\ \mathbb{R}[/tex]

The set A= {(2,3),(5,1),(-3,-2),(0,3)} is a subset of 'R x R', the cartesian product of Real numbers and Real numbers because both elements of all pairs in the set A are real numbers.

The given set A contains ordered pairs where each pair is constituted of two elements. An ordered pair is always in the form of (a, b) where 'a' is from the first set and 'b' is from the second set in a Cartesian product.

In the given subsets:

A. N X R(Cartesian product of Natural numbers and Real numbers)

B. R X N(Cartesian product of Real numbers and Natural numbers)

C. N X N(Cartesian product of Natural numbers and Natural numbers)

D. R X R(Cartesian product of Real numbers and Real numbers)

Looking at the subset A= {(2,3),(5,1),(-3,-2),(0,3)}, we can observe the first element of each pair in the set, we have 2, 5, -3, and 0. Negative numbers and zero are not natural numbers. Therefore it can't be a subset of 'N x R' or 'N x N'. But they are real numbers. Hence, it could be either 'R x N' or 'R x R'. However, if we look at the second element of each pair, we see that they are 3, 1, -2, and 3. Among these, -2 is a negative number and is not a natural number, but is a real number. Therefore, the set A must be a subset of 'R x R', which is the cartesian product of Real numbers and Real numbers.

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How can I find the area of this?

Answers

A^2+B^2=C^2
160^2+120^2=c^2
25600+14400=c^2
40000=C^2
square root(40000=c^2)
diagonal is 200m

100^2+b^2=200^2
10000+b^2=40000
b^2=30000
square root(b^2=30000)
Unknown side is 173.2m

120×160×.5= 9600 m^2
this is bottom triangles area

100×173.2×.5=8650 m^2
this is the top triangle area

8650+9600= 18,250 m^2
total area

Find the area of each triangle and then add them together.

Bottom Triangle

A = [tex]\frac{1}{2}[/tex]b * h

  = [tex]\frac{1}{2}[/tex](160)(120)

  = 80(120)

  = 9600 m²

Top Triangle

First we need to find the side length. We can calculate the length of the hypotenuse using Pythagorean Theorem for the bottom triangle.

a² + b² = c²

120² + 160² = c²

14400 + 25600 = c²

40000 = c²

200 = c

Now we can use Pythagorean Theorem on the top triangle to find the missing side length.

a² + b² = c²

100² + b² = 200²

10000 + b² = 40000

              b² = 30000

              b ≈ 173

A = [tex]\frac{1}{2}[/tex]b * h

  = [tex]\frac{1}{2}[/tex](100)(173)

  = 50(173)

  = 8650 m²

Top Triangle + Bottom Triangle = Total Area

     8650       +        9600

                   18250

Answer: Area = 18,250 m²


what is the product of -15*(-1/2)

Answers

what is the product of -15*(-1/2)

-15 * (-1/2)

-15 * -0.5 =

7.5


Hello!

"+"- sum"*"-product "-"- difference

[tex]-15*(-\frac{-1}{2} )[/tex]

[tex](\frac{-15}{1}) (\frac{-1}{2})[/tex]

[tex]\frac{(-15)(-1)}{(1)(2)}[/tex]

[tex]=\frac{15}{2}[/tex]

You can also round up to the nearest tenths is 7.5 to 8.0

Hope this helps! Thank you for posting your question at here on Brainly.

-Charlie

according to the 2010 United States census the population of a town was 89154 roughly a 12% increase from 79601 in 2000 constructing Expo Neo model to predict the town's population Each decade use your model to predict the population of the town in 2040

Answers

Final answer:

To predict the population of the town in 2040 using an exponential growth model, we can use the formula P(t) = P₀ * (1 + r)^(t - t₀), where P(t) is the population at time t, P₀ is the initial population, r is the growth rate, and t₀ is the initial time. Given the population in 2010 and 2000, we can calculate the growth rate and substitute the values into the formula to predict the population in 2040.

Explanation:

To construct an exponential growth model to predict the population of the town in 2040, we can use the formula P(t) = P₀ * (1 + r)^(t - t₀), where P(t) is the population at time t, P₀ is the initial population, r is the growth rate, and t₀ is the initial time.

Given that the population in 2010 was 89154 and in 2000 was 79601, we can calculate the growth rate as follows:

Growth rate = (Population in 2010 - Population in 2000) / Population in 2000 * 100%

Growth rate = (89154 - 79601) / 79601 * 100%

Growth rate ≈ 11.98%

Now we can substitute the values into the exponential growth model and predict the population in 2040, which is 30 years after 2010:

P(2040) = 89154 * (1 + 0.1198)^(2040 - 2010)

P(2040) ≈ 89154 * 1.1198^30 ≈ 89154 * 4.676

P(2040) ≈ 417204.504

how much does the medium smoothie cost?

Answers

2 jumbo + 1 medium = 4 med + 0.15

Multiply 2 jumbo smoothies by 2 which is >> 9.90+m =4 m+0.15

9.75=3m

Divide and it'll be 3.25

3.25=m

I Actually spent a hour trying to write an answer as it also challenged me, then i saw how simple it is i wish i could take back my time


Anyways, to find out the amout a medium smoothie cost we need to find the equation for it. With the given information we can find out that the cost of 4 medium smoothies is the same as 2 jumbos and one smoothie.So first lets find out the cost of 2 smoothies, 4.95 * 2 = 9.9.Now lets plot them into an equation.

4x+0.15=9.9+x

Simplyfy the equation by removing the x from the right side

4x-x=3x      x-x=0

so now our new equation is

3x+0.15=9.9

Next lets remove the 0.15

0.15-0.15 = 0       9.9-0.15=9.75

so our new equation is now

3x=9.75

Then, we simplify the x by dividing the amount of x's it has

3x/3=x            9.75/3=3.25

So, after doing all that math, we found out that x=3.25

So each smoothie costs $3.25

so, the equation would be 4x+0.15=9.9+x

We can test it out by plotting in the situation

(3.25*4)+0.15=13.15       9.9+3.25=13.15

Don't forget to add the extra amount.

I am so glad i was able to find this out, and hope this helps you, as i had trouble with it myself, and thats coming from someone who's taking honors!

Solve the equation for y
[tex]8 = 3x + 6y[/tex]

Answers

move variable to the left side and change its sign

-3x+8=6y

Move constant to the right side and change its sign

-3x=6y-8

Divide both sides of the equation by -3

x=-2y+8/3


I think its 3or maybe text 6 of y or 4

what letter represents the initial value in y=a(b)^x

Answers

a represents the initial value

The letter "a" represents initial value. "b" is the rate, and "x" is time. Hope I could help!

If y=15 when x=3/4, find x when y =25. Show work please!

Answers

Set up a proportion: x/y = x/y

(.75)/(15) = (x)/(25)

Then cross multiply:

(.75)(25) = (15)(x)

18.75 = 15x

x = 1.25 or (5/4)

There you go :)

Help with 5 2/5 ÷ 3 2/10=

Answers

The Answer is 1.6875 Hope this helps

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