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Zarrin [17]
2 years ago
13

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

Mathematics
2 answers:
soldi70 [24.7K]2 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]2 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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Answer:

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Step-by-step explanation:

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Jemina has 4 dogs, 8 cats and 12 fish as pets at her house.
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2 years ago
A cone has a 4 radius and a 8 height what is the volume
Marta_Voda [28]

Hey there! I'm happy to help!

To find the volume of a cone, you multiply the base by the height and then divide by three.

First, we need to find the base. A cone has a circle for the base. To find the area of a circle, we square the radius and multiply it by pi (we will use 3.14).

4²=16

16×3.14= 50.24

Now, we multiply our base by the height.

50.24×8=401.92

Finally, we divide by three.

401.92÷3≈133.973 (to nearest thousandth)

Therefore, the volume of the cone is about 133.973 units cubed. If you were to use exact pi, it would be more like 134 because of all those decimals after pi!

Now you can find the volume of cones!

I hope that this helps! Have a wonderful day!

8 0
3 years ago
Find the distance between -2 3/5 and -2 3/10
Blababa [14]

Answer:

the distance in between is (0,5)

3 0
3 years ago
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Mariana [72]

Answer:

1/9=0.111111111 2/9=0.222222222 3/9=0.333333333 4/9=0.444444444

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Step-by-step explanation:

sorry i dont have time to do them all but heres all of the nines

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