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Zarrin [17]
3 years ago
13

Fifteen more than a number is written as...?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0

Answer:

x+15

Step-by-step explanation:

Since it says "than a number"

What number is it?

We don't know.

We will say thats a variable.

What variable?

Well it really can be anything. ONLY LETTERS

Lets do a x

Now the problem changed.

Fifteen more than x is written as...?

It says "more"

You use plus.

Now the problem changed.

Since is written as... is your answer so yeah

15+x is the problem.

There you go the answer!

People writes the variable first so:

x+15

The answer is x+15

frozen [14]3 years ago
3 0

Answer:

x + 15

Step-by-step explanation:

Since I don't know what this number is, I'm going to use the variable x to substitute for the value of the unknown number.

So it would just be x + 15 because addition is the operation of adding and the key words are usually more. Since one of the numbers is unknown, we can't get an answer like "100" because x is undefined.

Say x=100, then the number would be written as 115 in it's simplest form but you could also write it as 100+15. So I'm just using substitution.

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What is the answer to: 25% of 80?
kicyunya [14]

Answer:

     25% of 80

<=> 25/100 of 80

<=> 1/4 of 80

<=> 80/4 = 20

6 0
3 years ago
Which expression is equivalent to 4^-5 • 3^-5 ?
valkas [14]

The expression equivalent to 4^-5 • 3^-5  is 12^-5

<h3>What are equivalent expressions?</h3>

Equivalent expressions are simply known as expressions with the same solution but different arrangement.

Given the index expressions;

4^-5 • 3^-5

Using the exponent rule, the two values are have different bases but the same exponent and thus, we multiply the bases and leave the exponents the same way.

This can be written as;

4(3) ^ -5

expand the bracket

12^-5

Thus, the expression equivalent to 4^-5 • 3^-5  is 12^-5

Learn more about equivalent expressions here:

brainly.com/question/24734894

#SPJ1

7 0
2 years ago
The GCF of 24 and 32 is
Oksana_A [137]

Start by setting up a factor tree for each number.

Factor in anyway that you'd like.

At the end, circle all prime numbers.

Remember, prime numbers are numbers

with only 2 factors, 1 and the number itself.

Now write these factors in least to greatest

multiplying them separate rows.

Circle factors they have in common.

Since 3 pairs of two's match up, multiply by 2 three times to get 8.

So the GCF is 8.

4 0
3 years ago
Read 2 more answers
Match the sentences below to the correct vocabulary word.
Veseljchak [2.6K]

Answer:

2134

Step-by-step explanation:

beacuse that is the wright answer

6 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppplp
DENIUS [597]

Help in what ? I cant see the photo

7 0
3 years ago
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