Help please I don't know what to do plz just send the answers because I'm tired and I cba to do calculations

Mathematics

1 answer:

Lyrx [107]4 years ago

4 0

Answer is A
Just make sure you do know how to do them :)

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What is the saluting to this long division equation?

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A rocket is fired upward from some initial distance above the ground. Its height in feet, h,above the ground, t seconds after

kirill115 [55]

Check the picture below.

$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
h(t) = &{{ -16}}t^2&{{ +96}}t&{{ +2560}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
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and it happened after $\bf -\cfrac{{{ b}}}{2{{ a}}}~~~seconds$

--------------------------------------------------------------------------

now, when the rocket reaches the ground, as you saw on the picture, y = 0, thus

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\\\\\\
0=-16(t^2-6t-160)\implies 0=t^2-6t-160
\\\\\\
0=(t-16)(t+10)\implies t=
\begin{cases}
\boxed{16}\\
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What is 600,319,287,914 + 297,997,000,026?

geniusboy [140]

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hope this helps, back to my hole i go

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$947.50 - $189.50 = ?<br>Am I not smart or what?

VashaNatasha [74]

<span> $947.50
</span> - $189.50
_________
$758.00

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$947.50 - $189.50_________
$ .00
0-0= 0
5-5= 0

You then bring down the decimal.

$947.50 - $189.50_________
$ 8 .00
Because you cannot subtract 9 from 7, you borrow one from the number to the left of it and 7 turns into a 17 as 4 turns into a 3. So then, 17-9=8.
17
$93-7-.50 -7- = This means the 7 has been canceled out and turned - $189.50 into the 17 above _________ 8 .00
This happens again with subtracting 3 from 8 in which you take one from the number beside which happens to be 9 and make it 8.

17
$8-3--7-.50 -7- and -3- = This means the 7 has been canceled out and turned into the 17 above
- $189.50 _________ $ 58 .00
So then, 13-8=5. Finally 8-1= 7

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