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3 years ago

What greatest three digit number whose hundreds is two less than its ones digit

Mathematics

1 answer:

kodGreya [7K]3 years ago

4 0

Answer:

799

Step-by-step explanation:

Let x = the hundreds digit

Let y = the ones digit

x = y-2

We want to maximize x and y. The both have to be single digit numbers

Rewriting this

x+2 =y

The largest x can be is 7 if y is a single digit

x is 7 and y is 9

We can pick the tens digit. Make it as big as possible to make out number as large as possible

799

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How many different ways can you write a fraction that has a numerator of 2 as a sum of fractions

Rzqust [24]

At least you can write it as the sum of half of it twice, that is:
2/x = 1/x + 1/x
whatever x number you have, for example:
2/5 = 1/5 + 1/5

But then, you can express a fraction in many different ways, for example again:
2/5 = <span>1/5 + 1/5 = 2/10 + 2/10
</span>= 1/10 + 1/10 + 1/10 + 1/10
so there are an infinite ways of expressing such a fraction.

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3 years ago

Sphere a has a radius of 2cm. Sphere b has a radius of 4cm. Calculate the volume of sphere a.

kykrilka [37]

Answer:

sphere a: 33.51 and sphere b: 268.08

Step-by-step explanation:

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2 years ago

John had a roll containing 24 2/3 feet of wrapping paper. He wants to divide it into 11 pieces. First, though, he must cut off 5

tatyana61 [14]

Given

John had a roll containing of wrapping paper

$=24\tfrac{2}{3}$

First, he must cut off 5/6 foot because it was torn.

He wants to divide it into 11 pieces.

To proof

As given in question

John had a roll containing of wrapping paper

$=24\tfrac{2}{3}$

$=\frac{74}{3}$ ( solving the mixed fraction form)

First, though, he must cut off 5/6 foot

than we get

$= \frac{74}{3} - \frac{5}{6}$

Taking the L.C.M of 3 and 6 is 6

$=\frac{148-5}{6}$

$=\frac{143}{6}$

=23.83 feet (approx)

He wants to divide it into 11 piece

length of the each piece

$=\frac{23.83}{11}$

length of the each pieces be 2.16 feet ( approx)

Hence proved

6 0

3 years ago

Read 2 more answers

How to solve 7-(4/5×1/3)

MaRussiya [10]

First, calculate the ones that is in the bracket, 4/5×1/3 = 4/15 (make the denominator the same), second finish the question, 7 - 4/15.
Answer, 6&11/15. (six and eleven over fifteen.

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Answer:

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Step-by-step explanation:

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3 years ago