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3 years ago

Which number system best describes this set?

Mathematics

1 answer:

Olenka [21]3 years ago

4 0

Answer:

Rational Numbers

Step-by-step explanation:

Integers and Natural numbers are both grouped in Rational Numbers. Irrational numbers are numbers that can't be simplified into a whole number or fraction, etc. All of these numbers are simplified and real numbers putting them in the category or Rational numbers (Natural numbers are whole numbers FYI).

Hope this helps!

Can you make me brainliest? :)

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Find the exact length of the curve. x = 1 + 6t2, y = 4 + 4t3, 0 ≤ t ≤ 3

vovangra [49]

$x=1+6t^2\implies\dfrac{\mathrm dx}{\mathrm dt}=12t$

$y=4+4t^3\implies\dfrac{\mathrm dy}{\mathrm dt}=12t^2$

The length of the curve $C$ is given by

$\displaystyle\int_C\mathrm ds=\int_0^3\sqrt{\left(\frac{\mathrm dx}{\mathrm dt}\right)^2+\left(\dfrac{\mathrm dy}{\mathrm dt}\right)^2}\,\mathrm dt$

$=\displaystyle\int_0^3\sqrt{144t^2+144t^4}\,\mathrm dt$

$=\displaystyle12\int_0^3t\sqrt{1+t^2}\,\mathrm dt$

$=\displaystyle6\int_0^3 2t\sqrt{1+t^2}\,\mathrm dt$

$=\displaystyle6\int_0^3\sqrt{1+t^2}\,\mathrm d(1+t^2)$

$=6\cdot\dfrac23(1+t^2)^{3/2}\bigg|_0^3$

$=4(10^{3/2}-1)$

$=40\sqrt{10}-4$

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3 years ago

An angle measuring 60 degrees is measured as 62 degrees. What is the percentage error correct to 3 significant figures?

Vadim26 [7]

Answer:

3.33%

Step-by-step explanation:

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3 years ago

It takes a total of 6 hours to fill up an in ground backyard pool using a standard hose. A function can represent this situation

LUCKY_DIMON [66]

We are given with the situation with the filling up of a ground backyards pool in time. The domain of the function is the x component or the abssisa of the points. The domain in this case is all positive real numbers because there is no negative amount of pol water and that all numbers including decimals and ll whole numbers are included. Answer is D.

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4 years ago

Please help

Crazy boy [7]

Answer:

157 / 110

Step-by-step explanation:

1.42727........

1000x = 1427.2727.......

10x = 14.2727....... ( - )

___________________

990x = 1413

___________________

x = 1413 / 990

x = 157 / 110

Therefore,

1.42727........ in fraction is 157 / 110.

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The boat company makes 4 boats in 20 days. At that rate, how many boats could they make in 30 days?

Luda [366]

If they make four boats in 20 days that means they spent 5 days on each boat. they could make 6 boats in 5 days.

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3 years ago

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