I know u guys can do this plus 20 points please help.

Mathematics

1 answer:

satela [25.4K]3 years ago

5 0

The answer is 9 for this question

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How to write 21/5 as a mixed number?

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4 1/5

Step-by-step explanation:

21 divided by 5 is 4 with one left over so you get 4 1/5

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Joel throws a six-sided dice and a six-sided dice at the same time and multiplies the scores.

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The two lines graphed below are parallel. How many solutions are there to the

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If you started counting when you first learned how to count and then counted by ones, eight hours a day, 5 days a week for 50 we

xenn [34]

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The number they would count is $\approx 0.49\cdot10^{-2}\ \%}$

Step-by-step explanation:

One mole is equal to 6.02214076x10^23 particles. In order to know the number counted by every human on Earth we simply multiply the number of humans times the count a "good counter" can achieve, 4x10^9x7.44x10^9 (for USA, change to 4x10^12 if you use de British English definition). Thus:

$\displaystyle{\frac{4\cdot10^9\cdot7.44\cdot10^9}{6.02214076\cdot10^{23}}=\frac{2.976\cdot 10^{19}}{6.02214076\cdot10^{23}}\approx 0.49 \cdot 10^{-4}\approx 0.49\cdot10^{-2}\ \%}$

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Stephen is playing with a toy parachute. He drops the toy parachute from the rooftop of a building. The expression below represe

grin007 [14]

The equation for height as a function of time is:
height = (0.5)(acceleration)(time)^2 + (initial velocity)(time) + (initial height)
In this case, x will be the time, so 80 fits the initial height from which the parachute is dropped (the first choice).

The initial velocity of the parachute is 16, while acceleration is -32 (units of length are probably in ft).

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I know u guys can do this plus 20 points please help.​

I know u guys can do this plus 20 points please help.