What is the value of the expression 3x+9 if x=6

Answers

Answer 1

Answer:

27

Step-by-step explanation:

3(6)=18

18+9=27

Answer 2

Answer:

27

Step-by-step explanation:

You would use PEMDAS to solve this equation, P (parenthesis) E (exponates)  M (multiply) D (divide) A (add) S (subtract). The way you use this is by following the steps in the order that you would spell PEMDAS, so 3x+9 would be 3•6+9. So look at the equation 3•6+9, so what would we use first? do we have parenthesis? No, Do we have exponents? No, Do we have multiplication?  Yes, so multiply 3 and 6 = 18. Now the equation will look like this 18+9 = 27.

Hope this helps!


Related Questions

At your child's birth, you begin contributing monthly to a college fund. The fund pays an APR of 4.1% compounded monthly. You figure your child will need $40,000 at age 18 to begin college. What monthly deposit is required? (Round your answer to the nearest cent.)

Answers

Answer:

$185.19

Step-by-step explanation:

Alia buys a computer. The original price of the
computer is $379.99. She uses a coupon for 15%
off any item. She must pay 6.75% sales tax on the
sale price. How much money will Alia spend on the
computer? (Hint....tax goes on the sales price!)

Answers

Answer:

$344.79

Step-by-step explanation:

379.99 decrease 15% =

379.99 × (1 - 15%) = 379.99 × (1 - 0.15) = 322.9915

322.9915 increase 6.75% =

322.9915 × (1 + 6.75%) = 322.9915 × (1 + 0.0675) = 344.79342625

What percent is 45 out of 70

I’m so sorry to bother you guys I have been stuck on this problem

Answers

64.285714285714% that should be the answer

Brad bought a toy truck and toy car for $8.72 the car cost $4.85 how much did the toy truck cost?
A $13.57
B $3.87
C $12.56
D $4.13
E $4.87

Answers

Answer:

the answer is B. 3.87

Step-by-step explanation:

9 divided by 6.813
full answer pls

Answers

Answer:

1.321003963011889035667107001321‬

Step-by-step explanation:

Answer:

1.32100396

Step-by-step explanation:

9 ÷ 6.813

hope this helps :)

Jamal has $15.00 to spend at the concession stand. He buys nachos for $7.50, and he wants to purchase some sour straws for $1.50 each. How many sour straws can Jamal purchase with the money that he has? (With x and you have to find the x)

Answers

Answer:

5

Step-by-step explanation:

Equation: 7.5 + 1.5x = 15

Subtract 7.5 from both sides you get 1.5x = 7.5

Divide both sides by 1.5 you get 5.

He can buy a total of 5 sour straws.

Hope this helps :)

Kamala spent a total of $4.32 to buy
6 pencils. Each pencil cost the same
amount. What was the cost of each
nencil2

Answers

Each pencil costs 0.72 as you do 4.32 / 6

2) Find the length of the hypotenuse. (Round to the nearest tenth.)
4
c
5

Answers

Answer:

The Answer is c ..............

3.
A Ferris Wheel has a circumference of 78.5 feet. Which expression can be used to find the
radius of the Ferris Wheel?

Please help

Answers

Answer:

G. 78.5 / π

{ i hope this helps :) i'm sorry if its wrong }

2 1/2 ÷ by 5/8=? Whats the answer

Answers

Answer:

4

Step-by-step explanation:

5/8 x 4 =2.5

2.5 is also 2 1/2

Answer: 4


Explanation: 2 1
2
÷
5
8
=
5
2
÷
5
8
=
5
2
×
8
5
=
5 × 8
2 × 5
=
40
10
=
40 ÷ 10
10 ÷ 10
= 4

A car dealership buys a car for $12,500 and sells it for $15,750. What is the percent markup( percent increase)

Answers

Answer:

About 1.26%

Step-by-step explanation:

Divide 15,750 by 12,500 to find your answer.

Hope this helped!

Which expression represents a number that is 4 times as large as the sum of 8 and 160?

Answers

Answer:

4(8 + 160)

Step-by-step explanation:

Sorry if i'm wrong i suck at translating expressions

hope i helped you in some way tho!

4(8+160)
32+640= 672

Can anyone explain to me how to find the slop???? I will give brainliest to the best answer!!

Answers

Answer:

:))

Step-by-step explanation:

give cam brainliest:)

On Monday, 475 people visited the museum. On Saturday, there were 4 times as many visitors as there was on Monday. How many people visited the museum on both days combined?

Answers

Answer:

2,375 people

Step-by-step explanation:

Hope this helps!! <3

a marble travel 300 cm in 6 seconds on the roller coaster what is the marble speed

Answers

Answer:

50

Step-by-step explanation:

Answer: 50 cm/s

Step-by-step explanation:

The formula for speed is: s=d/t

s=speedd=distancet=time

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

Given

d=300 cm

t=6 s

Solve

s=d/t

s=(300)/(6)

s=50 cm/s

Hope this helps!! :)

Please let me know if you have any questions

what is the value of x ?
Enter your answer in the box . ° ?

Answers

Answer:

307°

Step-by-step explanation:

The sum of all the angles of a hexagon is equal to 900°.

So,

112+x+120+100+128+133 = 900

593+x = 900

x = 900-593

x = 307°

So, the value of x is equal to 307°.

Consider the following equation

3x + 9y = 8y - 2

Step 2 of 2: Find the equation of the line which passes through the point (13,5) and is perpendicular to the given line. Express your answer in
slope-intercept form. Simplify your answer.

Answers

Answer:

The perpendicular line is:

y = 1/3  x + 2/3

Step-by-step explanation:

The given equation can be reduced to its slope-intercept form as shown below:

3x + 9y = 8y - 2

subtract 8 y from both sides

3 x + y = -2

subtract 3 x from both sides

y = - 3 x -2

therefore we know that the slope of this line is -3, and then, a perpendicular line to it must have slope given by the "opposite of the reciprocal" of this slope. That is, the slope of any perpendicular line to this one must be: 1/3

We use this slope to find the equation of the line passing through the point (13. 5)

y = 1/3 x + b

passing through (13, 5) means:

5 = 1/3 (13) + b

therefore, we can find b from the above equation

b = 5 - 13/3 = 15/3 - 13/3 = 2/3

Then the equation of this perpendicular line is:

y = 1/3  x + 2/3

A store sold 185 bicycles last month. This month they have sold only 111 bicycles. What is the percent change in number of bicycles sold from last month to this month?

Answers

im pretty sure its 74

Should be 74 sorry if wrong byeeee

If all entries of A and A^−1 are integers, prove that detA = 1 or −1.

Answers

A^-1 is actually 457

Pls dont give just the answer, (you dont need to explain how to do it)

Answers

Answer: 72

Step-by-step explanation: volume of a pyramid = v= lwh/3

v= 6*6*6/3

v = 216/3

v = 72

Answer:72 there I hope this help

y
3.
For questions 3-5, complete the missing values in the table below using the graph.
4.
X
Х
y
701
2
7
63
10.5
56
4 14
24.5
49
6
21
42
35
8 28
49
28
10 35
59.5
21
14
5.
х
6
14
7
y
3.5
35
66.5
2
12 14 16 18 20

Answers

Answer:

Step-by-step explanation:

41
Which of the following is the first step in estimating the line of best fit on a scatter plot graph?


Place two x's centered in each half of the data points


Plotting the data on the graph


Circle the data points


Divide the data vertically

Answers

Answer:

place two X's centered in each half of the data points

(11x^2+5y^2-8xy)+(x^2-7y^2+4x)

Answers

Answer:

4x2 - 3xy - 9y2

Step-by-step explanation:

What is the slope of the line containing the Ordered pair (8,6) and (-4,0)?

Answers

Remember the slope of a line is rise over run. The first number will be from the point that has the larger value of x.

A drawer contains 3 black socks, 3 white socks, 2 red socks, and 1 purple sock. A red sock is pulled at random from the drawer, but returned because it had a hole. What is the probability that a black sock will be the next sock pulled at random

Answers

Answer:

1/2

Step-by-step explanation:

Twenty out of twenty-five students wore red shirts to school on the same day. What is another way to write twenty out of twenty-five?

Answers

Answer:

20/25

Step-by-step explanation:

its is another way to write it

helllpp again lol. but frl it’s angles .

Answers

Answer:

x = 41 degrees

Step-by-step explanation:

The total of a triangle is 180 degrees.

Therefore, doing 180 - 104 - 35 will give you the unknown angle.

180 - 104 - 35 = 41 degrees

what is the equal expresson to (4x+12)+8x

Answers

12x + 12

Step-by-step explanation:

(4x + 12) + 8x

remove brackets.

➡️ 4x + 12 + 8x

4x + 8x(4 + 8)x 12x

➡️ 12x + 12

Answer it fast please​

Answers

Answer:

0.00446

Step-by-step explanation:

We need to find the value of the following expression :

[tex]\dfrac{(\dfrac{95}{17})^{-3}}{(\dfrac{15}{17})^{-2}}[/tex]

We know that, [tex]\dfrac{\dfrac{a}{b}}{\dfrac{c}{d}}=\dfrac{a}{b}\times \dfrac{d}{c}[/tex]

So,

[tex]\dfrac{(\dfrac{95}{17})^{-3}}{(\dfrac{15}{17})^{-2}}=(\dfrac{95}{17})^{-3}\times (\dfrac{17}{15})^2\\\\=0.00446[/tex]

So, the value of the given expression is 0.00446.

Determine whether the following function is a​ one-to-one function. If it is​ one-to-one, list the inverse function by switching​ coordinates, or inputs and outputs. f={(9,7), (7,9), (6,7)} (1 point) The function f is not a one-to-one function. The function is one-to-one. The inverse is f−1={(−9,7), (−7,9), (−6,7)}. The function is one-to-one. The inverse is f−1={(−7,−9), (−9,−7), (−7,−6)}. The function is one-to-one. The inverse is f−1={(7,9), (9,7), (7,6)}.

Answers

Answer: An easy way to determine whether a function is a one-to-one function is to use the horizontal line test on the graph of the function. To do this, draw horizontal lines through the graph. If any horizontal line intersects the graph more than once, then the graph does not represent a one-to-one function.

i dont know the exact answer but its a lil sum

Step-by-step explanation:

We know that for any two inverses f(x) = g(y), meaning that if we take f(x) for any x in the domain of f(x), then g(y), where y is the outcome of f(x), should output x. So that is a simple test to see if two functions are inverses.

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