1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ede4ka [16]
3 years ago
8

If you formed an algebraic equation to model the sentence, "three times a number is equal to nine," how many variables would be

in the equation?
A. 1
B. 2
C. 3
D. 5
Mathematics
1 answer:
Readme [11.4K]3 years ago
5 0
"Three times" is represented as( 3X)
A number is unknown so it can be called X
And since it is equal to 9, the variable will be X.


3 X unknown (x) = 9 and a letter is known as a variable in mathematics so cherrio :)
You might be interested in
(Find the GCF of the set of monomials) and if you can help with the other four that would be greatly appreciated
Sever21 [200]

Answer:

ба ман нуқтаҳо лозиманд :) умедворам шумо мефаҳмед

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Satin ribbon is sold for
Nutka1998 [239]

Answer:

1892.3

Step-by-step explanation:

221 ounces in pounds is 13.8125 pounds to you multiply that by 137 to get your total of 1892.3125

3 0
3 years ago
Find the slope, or rate of change, from the graph.
TEA [102]

Answer:

-1/2

Step-by-step explanation:

slope is rise over run

or y change divided by x change

to find the slope you need to find points on the graph that meet exact points on the graph

i see (0,1) and (2,0)

to find slope without graph it would be (y2-y1)/(x2-x1)

in this case (0-1)/(2-0)

=-1/2

with graph you can count that it goes down -1 squares and to the right 2 squares

hope this helps

4 0
3 years ago
Read 2 more answers
The diagram below shows a shaded parallelogram drawn inside a rectangle. Using Pythagoras, find the hypotenuse of triangle A and
Julli [10]

Answer: 5.9 cm for both triangles.

Step-by-step explanation:

Hi, since the situation forms 2 right triangles we have to apply the Pythagorean Theorem:  

c^2 = a^2 + b^2  

Where c is the hypotenuse of a triangle (the longest side of the triangle) and a and b are the other sides.  

Replacing with the values given:  

c^2 = 3^2 + 5^2  

c^2 = 9+25

c^2 = 34

c = √34

c = 5.9 cm

Since both triangles are identical ( same side lengths) the hypotenuse is the same for both, 5.9 cm.

Feel free to ask for more if needed or if you did not understand something.  

5 0
3 years ago
Tommy can lay a brick walkway by himself in 12 hours. Robert does the same job in 10 hours.
Lapatulllka [165]

Answer:

5 5/11 hours

Step-by-step explanation:

So, there is a trick to doing this.

You would first need to get their work rate into the same measurements.

That's why we will find out how much they each work in one hour.

Tommy does 1/12 of the work in one hour while Robert does 1/10.

Here we can add them both up to make 11/60.

They finish 11/60 of the work in one hour.

They finish the job in 5 5/11 hours.

8 0
3 years ago
Other questions:
  • If ( − x ) 3 , f ( - x ) 3 , then  f ( − 3 ) = f ( - 3 ) =
    13·1 answer
  • Use the figure above to identify a pair of similar triangles, then find the scale factor. The image is not drawn to scale.
    15·2 answers
  • Order the group of quadratic functions fro widest to narrowest graph Y= 6x sq Y = -4.5 sq y =-x
    13·1 answer
  • What is the factored from of 9x^2-64
    6·2 answers
  • What is it called when your equation is 0x=5
    9·1 answer
  • What is an equation of the line that passes through the points (-7,-6)and(-1,0)
    7·1 answer
  • The length of a rectangular pool is 20 feet and the width is 15 feet. The
    11·1 answer
  • (4x + 8) + (9x - 3) = 53<br> i don’t know how to do this i’m slow.
    15·2 answers
  • (3x^2 + 8x - 4 ) -(-x^2 +5x +2) simplify​
    11·2 answers
  • In Tim's math class there are 12 boys and 15 girls. What is the ratio of boys to total students in his math class?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!