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
Angelina_Jolie [31]
1 year ago
15

Why do we use variables in math?

Mathematics
2 answers:
Phoenix [80]1 year ago
8 0

Answer:

We use it to substitute an unknown number. We have a variable for a number we don’t know and as we solve the problem we can find the answer for the variable or unknown number.

Step-by-step explanation:

I hope it helps! Have a great day!
Anygays-

Westkost [7]1 year ago
7 0

Answer:

They are used for a number we don't know what is exactly. As we solve the problem, we learn what the number could be, but when we don't know a certain number or have to solve for the unknown number, we use a variable to substitute for it.

Step-by-step explanation:

I hope it helps! Have a great day!

Pan~

You might be interested in
One batch of walnut muffins uses 1 1/3 cups of walnuts. How many cups of
natali 33 [55]

Answer:

5 cups

I would appreciate Brainliest but no worries.

8 0
2 years ago
One point four four divided by zero piont 4
ivanzaharov [21]

Answer:

3.60

Step-by-step explanation:

1.44/0.4 is 3.60

6 0
3 years ago
Read 2 more answers
75% of b is 12. What is b?
Juli2301 [7.4K]

Answer:

b=16

Step-by-step explanation:

75%=75/100=3/4

3/4*b=12

b=12/1*4/3

b=16

5 0
3 years ago
Read 2 more answers
You deposit $300 in a savings account. The account earns 2% simple interest per year. What is the interest and balance earned af
kenny6666 [7]

Answer:

$365.70

Step-by-step explanation:

The formula to find this is y = a(1+r)^t\\

For this, a is the initial amount, r is the growth rate percentage (but displayed as a decimal), and t is time.

So to solve, you would do

y = 300(1+0.02)^10\\y = 300(1.02)^10\\y = 365.698325998\\OR\\y = $365.7 in interest

6 0
2 years ago
PLS ANSWER ASAP!
Zepler [3.9K]

Answer:

i cant give a graph but i can give you a slope formula (although theres no set y intercept so \/

. y=7x

Step-by-step explanation:

rise over run is 7/1(means go up 7 and right 1 then place the point), you put time along the x and amount along the y

3 0
2 years ago
Other questions:
  • What is one third of 1080
    13·2 answers
  • A jar that contains quarters and dimes is worth $7.15. If there are a total of 40 coins,
    8·2 answers
  • You purchase a car using a 20,000 loan with a 5% interest rate suppose you pay the loan off after 4 years how much interest do y
    6·2 answers
  • Use the distributive property to remove the parentheses.<br> -6(4u-2y-3)
    10·1 answer
  • And, what is the least common multiple of 6,15, and 5
    11·2 answers
  • Solve by using elimination 3x-2y=1. 8x+3y=2
    8·1 answer
  • It is estimated that 4,600 people, correct to the
    9·1 answer
  • For A-D, choose Yes or No to indicate whether the number is between 4 and 5.
    15·2 answers
  • Can the quotient of two irrational numbers ever be a rational number?
    9·2 answers
  • I need help! (And an explanation to get an understanding, if you don’t mind!)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!