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Harman [31]
2 years ago
9

F I sold 3 coffees for $2.50 each, how much change do I give the customer from the following amounts?

Mathematics
1 answer:
ehidna [41]2 years ago
4 0
The change to the customer is £1.25
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What is the missing side length in this right triangle?
Harrizon [31]

Answer:

A. 15

Step-by-step explanation:

Ooh, look! This triangle is a Pythagorean triple! Without even needing to use a formula, I can tell that you are correct and the answer is A. 15.

It's based off of a 3-4-5 right triangle, because 9-12-15 simplifies to that if you divide every term by 3. It's basically just a bigger version of a 3-4-5 triangle! Isn't math cool:)

5 0
3 years ago
Read 2 more answers
A city has a population of 310,000 people. Suppose that each year the population grows by 9%. What will the population be after
Leno4ka [110]

Answer: 644,800

Step-by-step explanation:

This can also be solved using the terms of Arithmetic Progressions.

Let the 13 years be number of terms of the sequences (n)

Therefore ;

T₁₃              = a + ( n - 1 )d , where a = 310,000 and d = 9% of 310,000

9% of 310,000 = 9/100 x 310,000

                        = 27,900

so the common difference (d)

                     d = 27,900

Now substitute for the values  in the formula above and calculate

T₁₃              = 310,000 + ( 13 - 1 ) x 27,900

                  = 310,000 + 12 x 27,900

                  = 310,000 + 334,800

                  = 644,800.

The population after 13 years = 644,800.

 

3 0
3 years ago
3. If the price of an article is reduced by 10%, a man can purchase 4 more articles for Rs 100. The
Maru [420]
The all star game is so fun
7 0
3 years ago
Zach exchanged 1,000 U.S dollars for the south African currency which is called the rand the exchange rate was 7.15 rand to 1 do
slavikrds [6]
To get the answer you need to multiply 1,000 by 7.15 then move your decimal to make it accurate and you should end up with 7150
3 0
3 years ago
At basketball practice, charlie makes 52 baskets out of 80 shots. What percentage of baskets did he make?
Mazyrski [523]
Charlie made 65% of the baskets at practice
8 0
2 years ago
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