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aliya0001 [1]
3 years ago
8

Why do we use letters in mathematics?

Mathematics
2 answers:
Korolek [52]3 years ago
6 0
I would say we use letters in mathematics so you can understand the problem more or whats really happening for example if they ask you question about how many people went to the party and bought stuff without the letters and only numbers you'll be confused...like umm...how many people went what are the stuff they bought.Or another example is if the question only had an empty graph.People would be like what do I have to do with the empty graph.What's the problem etc.So math problems without letters would be confusing.
icang [17]3 years ago
3 0
We use letters to substitute for unknown numbers. I hope this helps. :)
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Abby can buy bottles of water in packages of 6 for $8.22 or in packages of 4 for $8.52. How much money does she save by buying 1
Naddika [18.5K]
She would save $9.12 by using the better sale! I hope this helped!:)
7 0
3 years ago
An angle measures 73.6° less than the measure of its supplementary angle. What is the measure of each angle?
Vladimir79 [104]

Answer:

Smaller angle = 53.2

Larger angle = 126.8

Step-by-step explanation:

Lets say x is the measure of the supplement. Since we know they're supplementary, we know their angle measure sum will equal 180. We can set up our equation like this x + (x-73.6) = 180. Note: (x - 73.6) is the measure of the smaller angle. By solving, we get 126.8 degrees for the measure of the supplement. If we plug in the value of x into (x-73.6), we get 53.2 degrees as the angle measure of the smaller angle.

6 0
3 years ago
Answer for any of these will help with work as well
Orlov [11]
13. 81.64
14. 803.84
15. 153.83
16. 753.6


you just use circumference and area formulas for a circle
8 0
3 years ago
A 26 foot ladder is set against the side of a house so that it reaches up 24 feet. If Mila grabs the ladder at its base and pull
olasank [31]

Answer:

13.9 ft

Step-by-step explanation:

4 0
2 years ago
A customer went to a garden shop and bought some potting soil for $12.50 and 5 shrubs. The total bill was $62.50. Write and solv
lesya692 [45]

Answer:  Equation:  5x = 62.50 - 12.50    or   x = \frac{62.50-12.50}{5}  

x is the cost of each shrub  x = $10

Step-by-step explanation:  Total bill = $62.50.

Subtract the cost of potting soil for $12.50 to find the cost of just the shrubs.   5x  equals that amount

5x = 62.50 - 12.50

5x = 50   divide both sides by 5  

5x/5 = 50/5

x = 10

6 0
3 years ago
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