Solve the proportion
8/12=20/n

Answers

Answer 1

Answer:

n=30

Step-by-step explanation:


Related Questions

Phoebe bought 2/3 of a yard of green ribbon and 1/3 of a yard white ribbon to use on her quilt. She decided to exchange 1/3 yard of white ribbon for 1/3 yard of yellow ribbon. How much white ribbon does phoebe have to use on her quilt?

Answers

She has no more white ribbon because she exchanged it for yellow.

Hey can anyone help me I need this ASAP please:)

Answers

Answer:

keep adding 35 to the graph

Step-by-step explanation:

HELP ME PLS IT"S DUE TODAY. JUST GIVE ME THE ACTUAL ANSWER IF YOU KNOW IT PLUS ILL GIVE YOU 5 STARS!!!!

Answers

Answer:

the answer is we dont know cuz theres no question

ok then it should be the bag wit 8lb

Answer:

Obviously, it's the 8lb bag of dog food because it's the cheapest, but it may vary with the type of animal (a dog in this case).

What side in the second trapezoid corresponds to CD?

ABCD≅RSTU

Answers

TU side, the letters are written accordingly

Answer:

TU

Step-by-step explanation:

What is the equation of this line

Answers

Answer:

y = 1/2x - 3

Step-by-step explanation:

Slope: Up 1 over 2

Y-Int: -3

y=mx+b

What is the value of x?

Answers

Answer:

150

Step-by-step explanation:

Answer: 70

Step-by-step explanation: because 40 + 70 is 110. There is a sum of 180 degrees in a triangle. And 180- 110= 70.

pls give me brainliest

(6.4 x 104) + (2.1 x 104

Answers

Answer:

884

Step-by-step explanation:

Answer:

884

Step-by-step explanation:

solve for 6.4x104 and add to 2.1x104

There are 12 students in the gym class. If 4 students can sit on 1 bench, how many benches are needed for all students ?

Answers

Answer:

3 benches needed

Step-by-step explanation:

Answer:

3 benches

Step-by-step explanation:

4 people to one bench

12 people divided by 4 = 3 benches

Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of negative 35.84 degrees Upper C and a boiling point of 310.69 degrees Upper C . What is the range of temperatures in degrees Fahrenheit for which this substance is not in a liquid​ state? (Hint: Upper C equals five ninths left parenthesis Upper F minus 32 right parenthesis ​) Express the range as an inequality. Let x represent the temperature in degrees Fahrenheit. What is the range of temperatures for which this substance is not in a liquid​ state? nothing ​(Type an inequality or a compound inequality. Simplify your answer. Use integers or decimals for any numbers in the expression. Round to three decimal places as​ needed.)

Answers

Answer:

96.512 °F < x < 591.242 °F

Step-by-step explanation:

We are given;

Melting point = 35.84 °C

Boiling point = 310.69 °C

Now, we are given that formula to convert °C to °F is;

°C = (5/9)°F

Thus if the temperature in Fahrenheit is x, then;

Melting point is; 35.84 °C = (5/9)x°F - "32"

x = ((9 × 35.84)/5) + 32

x = 96.512 °F

Similarly, for Boiling point;

Boiling point is;

310.69 °C = (5/9)x°F - "32"

x = ((9 × 310.69)/5) + 32

x = 591.242 °F

Now, we are told that matter is in its liquid form when it is between melting and boiling point.

Thus, range of x in inequality form is;

96.512 °F < x < 591.242 °F

A 4-pack of museum tickets costs $30.28. What is the unit price?

Answers

Answer:

7.57

Step-by-step explanation:

30.28/4 = 7/57

2x2 – 3x -9= (Factor completely.)​

Answers

Answer:

The answer is 31. :)

Step-by-step explanation:

it should be (2x+3) * (x-3)

URGENT: WILL MARK BRAINLIEST

Answers

Answer:wait 15 min then I will have thee answer

Step-by-step explanation:

PLEASE HELP ASAP!!!!!

Answers

Answer:

C. Have a good day. :)

Step-by-step explanation:

Molly wants to buy a dress that costs $20. She has a coupon for 40% off, and there is a 10%
sales tax. How much will she pay altogether? Answer the questions to find out. 3.How much is the 10% tax on the sale price? Explain how you found your answer.​

Answers

Answer:

13.20$ :)

Step-by-step explanation:

40% off of 20$ is 12$ and 10% of 12$ is 1.20$ add that and you get 13.20$

Idk how to do this?!!

Answers

Answer:

no idea you're welcome

ABC is a straight line. which equation can be used to find the measure of the unknown angel?

Answers

Answer:

A: 180 -45

Step-by-step explanation:

Since it is a straight angle, it will equal 180 degrees. Since 45 is already taken, u would subtract it from 180.

180-45=135

thus, your answer is 180-45

hope I helped!!!

Help plss!!!
A jewelry store paid $75 for a necklace at
wholesale cost. The store will sell the necklace
for $250. What is the percent markup on the
necklace?

A. 175% increase
B. 250% increase
C. 233% increase
D. 300% increase

Answers

Answer:

75 increased by 233% = 249.75 if you are rounding up this is the answer

Step-by-step explanation:

This is true because 249.75 is the closest the other guy who wrote the wrong answer is lying. (update) it just got deleted i told you

Can somebody help me on 14?

Answers

It isn’t them going up or down a hill. It is the speed changing

Answer:

It is the speed changing

Step-by-step explanation:

becauses it is speed vs time

Find the coordinates of the focus and equation of the directrix for the parabola given by y2 = −4x. The general formula for this parabola is y2 = 4px. Therefore, the value of p is . The coordinates of the focus are . The equation of the directrix is .

Answers

Answer:

The coordinates of the focus are [tex]F(x,y) = (-1,0)[/tex] anf the equation of the directrix is [tex]x = 1[/tex], respectively.

Step-by-step explanation:

Let be [tex]y^{2} = -4\cdot x[/tex], which represents a parabola with a horizontal axis of symmetry. To find the location of the focus and to determine the equation of the directrix we must find the distance between focus and vertex ([tex]p[/tex]), dimensionless, a value than can be extracted from the following definition:

[tex](y-k)^{2} = 4\cdot p \cdot (x-h)[/tex] (Eq. 1)

Where:

[tex]x[/tex] - Independent variable, dimensionless.

[tex]y[/tex] - Dependent variable, dimensionless.

[tex]h[/tex], [tex]k[/tex] - Coordinates of the vertex, dimensionless.

By direct comparison, we get the following coincidences:

[tex]h = 0[/tex]

[tex]k = 0[/tex]

[tex]4\cdot p = -4[/tex] (Eq. 2)

From (Eq. 2) we get that distance between focus and vertex is:

[tex]p = -1[/tex]

Which is consistent with the fact parabola has an absolute maximum.

Now, the location of the focus is:

[tex]F(x,y) = (h+p, k)[/tex] (Eq. 3)

If know that [tex]h = 0[/tex], [tex]k = 0[/tex] and [tex]p = -1[/tex], coordinates of the focus is:

[tex]F(x, y) = (0-1, 0)[/tex]

[tex]F(x,y) = (-1,0)[/tex]

And the equation of the directrix is represented by:

[tex]x = -p[/tex] (Eq. 4)

([tex]p = -1[/tex])

[tex]x = 1[/tex]

The coordinates of the focus are [tex]F(x,y) = (-1,0)[/tex] anf the equation of the directrix is [tex]x = 1[/tex], respectively.

Answer:

The general formula for this parabola is y2 = 4px.

Therefore, the value of p is  

✔ –1

.

The coordinates of the focus are  

✔ (–1,0)

.

The equation of the directrix is  

✔ x = 1

.

Step-by-step explanation:

If g(x) = x2 − 4, find g(5).

Answers

Answer:

21

Step-by-step explanation:

5

Answer:

[tex]\boxed {21}[/tex]

Step-by-step explanation:

Find [tex]g(5)[/tex]:

[tex]g(x) = x^{2} - 4[/tex]

-Apply [tex]5[/tex] for variable [tex]x[/tex] to the equation:

[tex]g(5) = (5)^{2} - 4[/tex]

-Solve the expression:

[tex]g(5) = (5)^{2} - 4[/tex]

[tex]= 25 - 4[/tex]

[tex]= \boxed {21}[/tex]

Therefore, the final answer is [tex]21[/tex].

Evaluate the equation for the indicated value, f(n)=5n+8 for f(4),

Answers

you would need to put 4 in for (n)so, 5(4)+8 then solve. 5 times 4=20 plus 8 is 28. I hope I could help!

The value of the function f(n)=5n+8 for f(4) will be 28.

What is a function?

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given function is f(n)=5n+8. The value of the function at equal to 4 will be calculated as below:-

f(n)=5n+8

f(4) = ( 5 x 4 + 8 )

f(4) = 20 + 8

f(4) = 28

Therefore, the value of the function f(n)=5n+8 for f(4) will be 28.

To know more about functions follow

https://brainly.com/question/17043948

#SPJ2

If f(x)=−6x+4, Find f(x)=46

Answers

Answer:

Step-by-step explanation:

-6x + 4 = 46

-6x = 42

x = -7

A soccer team practices 3 times a week. Each practice lasts for 110 minutes. The team practiced for 14 weeks during the season.

Answers

Answer:

i just answerd this on a nother queston from u go look at that

Step-by-step explanation:

Suppose that you plan on taking a summer job selling magazine subscriptions. The magazine company will pay you 75 cents for selling the first subscription. For each additional subscription sold, the magazine company will pay you 5 cents more than what was paid for the previous subscription. How much will you earn by selling 150 magazine subscriptions?

Answers

Answer:

671.25

Step-by-step explanation:

Solve for c in the proportion.

Answers

Answer:

c = 3

Step-by-step explanation:

you have to multiply then divide

9 × 1 = 9

then divide...

9 ÷ 3 = c = 3

there you have it, folks

m BXA = 30° 20', m CXB = 40° 35'
m CXA
°
'

Answers

Answer:

Please make me brain list

Step-by-step explanation:

Treven and Carlos entered a hot dog eating
contest. Carlos ate 7 more than the amount of hot
dogs that Treven ate. Carlos ate 17 hot dogs. How
many hot dogs did Treven eat?
Write the equation and solve.

Answers

Answer:

10

Step-by-step explanation:

17-7=10

Please help, will mark brainliest for the correct answer

Answers

Answer:

C. 23/21

Step-by-step explanation:

Your answer is c 23/21
Please mark brainliest

PLS DONT REPORT ME IF U DO U DONT WANT TO KNOW WHAT WILL HAPPEN
So if you have 2x2 amount of apples but then you only have 3 apples whats wrong with this equation?

Answers

Answer:

2x2 is 4 but you have 3 apples?

Step-by-step explanation:

19
Tell whether the triangles are similar. Explain.
Please help!!!!!!!

Answers

Answer:

Step-by-step explanation:

Help this person she really needs help! XD

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