15 is 2 1/2 of what number?

Answers

Answer 1

Answer:

15 is 2 1/2 of a number 6.

We need to find that 15 is 2 1/2 of what number.

What is the meaning of 'of' in maths?

In math, 'of' is also considered one of the arithmeticoperations which means multiplication within the brackets.

Let the unknown number be y.

Now, 2 1/2 of y=15

⇒5/2 ×y=15

⇒y=6

Therefore, 15 is 2 1/2 of 6.

To learn more about algebraic expressions visit:

brainly.com/question/953809.

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Answer 2

Answer:

▪ Answer:

n = 6

▪ Step-by-step explanation:

n × 2 1/2 = 15

n × 5/2 = 15

n × 5 = 30

n = 30 ÷ 5

n = 6

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The price of one share of a company declined $3.50 per day for 4 days in a row. What is the overall change in the price of one share?

Answers

Answer:

$3.50

Step-by-step explanation:

"per" means that that is the unit rate

(yes, I meant to say that that)

Solve:-

7^5

Thanks!!!!!!!!!!!!!

Answers

These are exponents. To solve an exponent you need to multiply the base it self how many times its says in the power.

a²

a = base
2 = power

7^5 = 7 × 7 × 7 × 7 × 7 = 16807
7^5 = 16807

Solutions

7^5

=7 x 7 x 7 x 7 x 7

=16807

Copy and complete the table below by substituting values for x into the expressions 9+ x and 2x. Use your table to work out the largest whole number x could be so that 9+ x is larger than 2x. x 0 1 2 3 4 5 7 9 10 9+x 9 10 11 12 2x 0 2 4 6