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3 years ago

Is 1,384 a rational number

2 answers:

6 0

1384 is a rational number because a rational number is a number that can be in the form p/q where p and q are integers and q≠zero.

ycow [4]3 years ago

3 0

Answer: Should be rational

hope this helps.

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An accurate clock shows exactly 3 pm. In how many minutes will the minute hand catch up with the hour hand?

Ray Of Light [21]

Roughly about 3:17 . Hope I helped!

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3 years ago

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Last week, Tina worked 40 hours in 4 days. She worked the same number of hours each day. How many hours did she work each day? W

blsea [12.9K]

She works 10 hour per day

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3 years ago

Evaluate the following<br><br><img src="https://tex.z-dn.net/?f=%20-%20%20%5Csqrt%5B4%5D%7B256%7D%20" id="TexFormula1" title=" -

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3 years ago

What is the factored form of _________?

enyata [817]

Answer:

Step-by-step explanation:

The expression given is a difference of cubes and factors as

a³ - b³ = (a - b)(a² + ab + b²)

8 $x^{24}$ = (2 $x^{8}$ )³ ⇒ a = 2 $x^{8}$

27 $y^{6}$ = (3y²)³ ⇒ b = 3y²

Hence 2 factors are

(2 $x^{8}$ - 3y²) and

((2 $x^{8}$ )² + (2 $x^{8}$ × 3y²) + (3y²)²)

= (4 $x^{16}$ + 6 $x^{8}$ y² + 9 $y^{4}$ )

Hence the factored form of the expression is C

4 0

3 years ago

In a box there are 21 identical pieces that have been enumerated using odd numbers from 5 to 45. How many tiles should be drawn

Orlov [11]

These are the only combinations of exactly 3 tiles that add to 33.

5,7,21

5,9,19

5,11,17

5,13,15

7,9,17

7,11,15

9,11,13

All tiles with numbers above 21 do not help you. 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45. There are 12 of them.

Every three-number combination must have one of the numbers 5, 7, or 9, so if the six numbers from 13 to 21 are picked, in addition to the 12 higher numbers mentioned above, you already picked 18 tiles, and you still have no solution. To obtain the solutions 5,7,21; 5,9,19; 7,9,17; he needs two more numbers in addition to the 18 he already has, so he needs 20 tiles in total to be guaranteed three of them add to exactly 33.

Answer: 20 tiles

4 0

3 years ago