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
musickatia [10]
2 years ago
15

Why are variables used in math?

Mathematics
2 answers:
Anastasy [175]2 years ago
8 0

Answer:

They represent something in the real word or an unknown.

ivann1987 [24]2 years ago
5 0

Answer:

They represent something in the real word or an unknown.

Step-by-step explanation:

You might be interested in
Help :c !!!!!!!!!!!!!!!!!!!!!!!!
worty [1.4K]

Answer:

No solution

Step-by-step explanation:

2x-4+1=2x-2

2x-3=2x-2

-3= -2

this statement is not false

3 0
3 years ago
Four more than twice a number<br><br>a.2x+4<br><br><br>b.4x+2<br><br>c.6x<br><br>d.2x &gt; 4​
makkiz [27]

Answer:

a. 2x + 4

Step-by-step explanation:

Four more than twice a number

Let x = unknown number

Four more than twice of x

Twice of x can be written as 2x

Four more than 2x

Four more can be written as + 4

We get 2x + 4

6 0
3 years ago
If f(x) = -2(5)^x , what if f(2)
BaLLatris [955]

Answer:

  -50

Step-by-step explanation:

Put 2 where x is and do the arithmetic.

  f(2) = -2(5^2) = -2(25) = -50

3 0
3 years ago
Which expression represents the follow-
Varvara68 [4.7K]

Answer:

the sum of x and 5.

x + 5

the sum of is adding

4 0
4 years ago
Select an (even) integer randomly from the set {0, 2, 4, 6, 8}. then select an integer randomly from the set {0, 1, 2, 3, 4}. le
arlik [135]
X+4=y
8 +4 = y. y=12

x=8
4 0
4 years ago
Other questions:
  • Compare the rate at which each of the three students read. Stew: Cinnie: Felicia Words 795 Minute 3, 1855, 7, 2120, 8, 2650, 10
    8·1 answer
  • (1 point) Find the critical points for the function f(x,y)=x3+y3−6x2−27y−1 and classify each as a local maximum, local minimum,
    10·1 answer
  • Divide Rs 480 in the ratio of 5:7​
    11·2 answers
  • Area of square is numerically less than twice its diagonal by 2. Find its Perimeter.
    5·1 answer
  • Determine the period.
    9·1 answer
  • If you eat 1/4 of a pizza and your dog eats 1/8 of it what percent is left over
    7·2 answers
  • Which of the following values are solutions to the inequality 1+5x&lt;4?<br> I.6 <br> II.5<br> III.2
    11·1 answer
  • Find the missing number so that the equation has no solutions.<br> x+20=<br> –<br> 4x+3
    7·1 answer
  • Can anybody explain to me what is being done here ?
    11·2 answers
  • Which expression is equivalent to 24?<br> O 2√3<br> 23√/3<br> O 2√6<br> O 23√√6
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!