Mathematics High School

three times a number subtracted by 3 is 20

Answers

Answer 1

Answer:

3x - 3 = 20

Step-by-step explanation:

Times is a word that represents multiplication. A number can be represented by x.

3x - 3 = 20

Solving this:

3x - 3 = 20     1. Add 3 on both sides

3x = 23           2. Divide by 3 on both sides

x = 7 2/3

Related Questions

i need the x intercepts for (x+3)(x + 7) = 0

Answers

Answer:

-3, -7

Step-by-step explanation:

either x + 3 = 0 --> x = -3

or x + 7 = 0 --> x = -7

Answer:

(-3,0) and (-7,0)

Step-by-step explanation:

Which equation matches the graph

Answers

Pretty sure it’s c

If I am right pls mark brainliest

HELP ASAP
Simplified the expression

Answers

Answer:

5/x subscript 2

Step-by-step explanation:

Maia says that the lines in this system of linear eqations are parallel. is she correct? explain.
2x+y=14
2y+4x=14

Answers

Answer:

yes, they are parallel because their slopes are the same

Step-by-step explanation:

if you put each equation into slope-intercept form and compare slopes you can see whether they are parallel or not

2x + y = 14

y = -2x + 14

slope = -2

2y + 4x = 14

2y = -4x + 14

slope = -4/2, which simplifies to be -2

Yes they are parallel

Consider Carmen’s plans.

Parallel lines k and l are crossed by transversal t. Line m crosses lines t, k, and l. The angles formed by lines k, t, and m, clockwise from top left are 2, 1, blank, blank, blank (6 x + 5) degrees; formed by lines l and t are blank, (7x minus 4) degrees, blank, blank; formed by lines l and m are 48 degrees, blank, blank, blank.

Carmen used her knowledge of angle relationships to find the value of x in the diagram.

What is the value of x?
x = 5
x = 9
x = 13
x = 16

Answers

Answer:

13

Explanation:

Answer:

9

Step-by-step explanation:

just did the assignment

c/2 = negative 3
pls helppp

Answers

Answer:

c=  -6

Step-by-step explanation:

I hoped this helped!

Correct me if I'm wrong!

Solve 4t(t - 5) - 2t(3t + 2) + 108 = 3t(2t - 5) -t (8t - 3) .​

Answers

Answer:

the answer is t=9

Step-by-step explanation:

hoped I helped:)

Answer:

t = 9

Step-by-step explanation:

WILLL GIVE BRAINIEST!!!!!

Answers

Answer:

I think it's the first one if not put the last

PLS PUT ME BRIANIEST

Step-by-step explanation:

Mr farmer has 33 students in her class this is 11 more students than Ms Prince has how many more students does Miss Prince have​

Answers

Answer:

I believe its 22 if im not mistaken

Step-by-step explanation:

Which statement is true regarding the line y=−4x+13?

The line has a slope of −13.
The line has a slope of 4.
The line passes through the point (0, 13).
The line passes through the point (0, −4).

Answers

Answer:

3

Step-by-step explanation:

it is the correct answer

Answer:

IDEK

Step-by-step explanation:

I KNOW?

Write the word sentence as an equation. Enter your equation without any spaces.
The difference between a number C and 17 is 3.

Answers

Answer:

jayfeather friend me

Step-by-step explanation:

Creating an equation with no solutions (video)

Khan Academy · Khan Academy

Video result for sentence as an equation. Enter your equation without any spaces.The difference between a number3:09

Writing basic expressions word problems (video)

Khan Academy · Khan Academy

Video result for sentence as an equation. Enter your equation without any spaces.The difference between a number2:02

Two-step equation word problem: garden (video)

Khan Academy · Khan Academy

what is (-4)(-1)(-3)

Answers

Answer:

-12

Step-by-step explanation:

multiplication

Answer:

-12

Step-by-step explanation:

-4 x -1 x -3

4 x -3

=-12

What patter do you see in the coordinatinates​

Answers

Hey y’all are going back to the 56

how to do inverses marking brainlists

Answers

Answer:

Step-by-step explanation:

1) 2-4 = x/8

2) x times 8 = 2+4

I'm not sure about the second one but I hope this works :)

Analyze the diagram below and complete the instructions that follow name to read lines in the diagram and appear to be SKEw

Answers

Answer:

the answer i think is ba and cb

Ms. Rios mowed

2

7

of her lawn. Her son mowed

1

4

of it. Who mowed most of the lawn? How much of the lawn still needs to be mowed?
(little sister needs answer)

Answers

Answer: I believe Ms. Rios mowed more, hope this helps!

neww frienns? girls rr boys 15+

Answers

     yes

but actually

   n   o

HELP ANSWER FAST!!!!!!

Answers

Answer:

D = {-4 ≤ x ≤ 1}

R = {5 ≤ x < 1}

Yes, it is a function

Step-by-step explanation:

Marsha swam 400 meters in 6 minutes and 12 seconds. Convert that time to minutes

Answers

Answer 6.2 minutes

Step-by-step explanation:

convert it into a decimal

determine the solution to the equation.

Answers

In order to find it you would do the 8 cubed which is 8 x 8 x 8 which is 512

Find the slope of the line through the given pair of points.
(-11,-4).(-6,5)

Answers

✍️

The answer is ✊✌️I forgot the answer but hanks for the points

Rewrite each equation, then graph
the line
6x + 3y = 12

Answers

Here is the answer. I’m not so sure if my answer is correct about which side should it be shaded and whether it’s a dotted or solid line, but I hope you will get some sort of idea .

Twelve people are
able to ride the Serpent of Fire roller
coaster at one time. Write a function
table that shows the total number of
people that have been on the roller
coaster after 1, 2, 3, and 4 rides.

​

Answers

1,12
2,24
3,36
4,48
Theses are the ordered pairs. To the answer of the question. In the table put (x,y) at the top and then in each x column put the first number then in the y column put the second number

Two trains leave stations 432 miles apart at the same time and travel toward each other. One train travels at 80 miles per hour while the other travels at 100 miles per hour. How long will it take for the two trains to meet?

Answers

Answer:

The trains will meet in 2.4 hours.

Step-by-step explanation:

To cover 432 miles at 180mph: 432mi/180mph=2.4 hours

what is 2,394x57,234​

Answers

The answer is 137,018,196
Explanation calculator

Solve for x
A
37°
B
74
С
106°
D
53°

Answers

Answer:

A

Step-by-step explanation:

If you look at the circle and the angle that x is at you'll see that x is in the smaller part of the circle

Find the missing side. Round to the nearest tenth.

Answers

Answer: 23.7

Step-by-step explanation:

Let's calculate the acute angle at the base of the triangle:

180° - 90° - 40° = 50°

Find side x:

[tex]\dfrac{sin \: 90^{o} }{31} =\dfrac{sin \: 50^{o} }{x}\\\\sin \: 90^{o} \cdot x=sin \: 50^{o} \cdot 31\\\\sin \: 90^{o} =1\\sin \: 50^{o} \approx 0.766\\1 \cdot x =0.766 \cdot 31\\x=23.746\\23.746 \approx 23.7[/tex]


Which pair of angles add up to 180 degrees?


Answers

a and g i think, hope this helps

a and g i’m pretty sure

PLEASE HELP!! THIS IS DUE IN 20 MINUTES AND I CANT FIGURE IT OUT!!
Given the following proportion, solve for the length of the triangle "n".
n/4 = 12/(n-2)

Answers

Answer:

n = 8, -6

Step-by-step explanation:

If this does not help, let me know and I can edit my answer

Please help on number 8 I’ll give points

Answers

It’s 80 all you do is substitute the 100 for x
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