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bonufazy [111]
2 years ago
12

Please help! What is ​ 4 9/10 ​ expressed as a decimal? Enter your answer in the box.

Mathematics
2 answers:
stira [4]2 years ago
8 0

Answer: 4.9

Step-by-step explanation:

You can use a calculator but I'll show you the step by step.

First, 4 \frac{9}{10} is a mixed number. To be able to divide it, convert it to an improper fraction. You can do this by multiplying the big number by the denominator and adding the numerator; all of this over the same denominator.

\frac{4*10+9}{10}=\frac{40+9}{10}=\frac{49}{10}

Now, divide:

49/10=4.9

40

---------

  9'0

   90

  ----------

    -

enyata [817]2 years ago
3 0

Answer:

4.9

Step-by-step explanation:

4 9/10

9/ 10 = 0.9

So 4.9

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3 years ago
Read 2 more answers
three numbers are in an arithmetic progression. Their sum is 3 and the sum of their squares is 11. what are the three numbers
Vlad [161]

The three numbers are 12, 18 and 24

Arithmetic progression

Let the 3 number in arithmetic progression be:

a-d, d, a+d ...

If their sum is 3, then;

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2a + d = 3 ........... 1

If the sum of their squares is 11, then;

(a-d)² + d² + (a+d)² = 11

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Hence the three numbers are 12, 18 and 24

Hope this helps you!!!!!! :D

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