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Murljashka [212]
3 years ago
10

Question 18

Mathematics
1 answer:
Viktor [21]3 years ago
3 0

Answer:

the answer is b

Step-by-step explanation:

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o-na [289]
3^3x+1 is the answer if you are simplifying
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2 years ago
Brian has to send 13 parcels it will be cheaper to send the parcels by the express service than by the rapid service. ​
Arte-miy333 [17]

Answer: £ 260.78

Step-by-step explanation:

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3 years ago
A skydiver weighing 180lbs (including equipment) falls vertically downward from an altitude of 5000 ft and opens the parachute a
Annette [7]

<span>For the presented problem, the solution would be</span><span> </span><span>v</span><span>(0)=0</span><span>v(0)=0</span><span> is</span><span>v</span><span>(</span><span>t</span><span>)−</span><span>mgb</span><span>=</span><span>e</span><span>−</span><span>b</span><span>/</span><span>m</span><span>⋅</span><span>t</span><span>(</span><span>v</span><span>0</span><span>−</span><span>mgb</span><span>)</span><span>⟺</span><span>v</span><span>(</span><span>t</span><span>)=</span><span>mgb</span><span>(</span><span>1−</span><span>e</span><span>−</span><span>b</span><span>/</span><span>m</span><span>⋅</span><span>t</span><span>)</span><span>≈</span><span>g</span><span>⋅</span><span>t</span><span>−</span><span>gb</span><span>2</span><span>m</span><span>⋅</span><span>t</span><span>2</span><span>, with the following given, </span><span>
m</span><span>=180[lb]=81.6[kg]</span><span> </span>

<span>g</span><span>=9.81[m/s</span><span>2</span><span>]</span><span />

<span>b</span><span>=0.75[kg</span><span>⋅</span><span>m/s</span><span>2</span><span>⋅</span><span>s/ft]=0.2286[kg/s]</span><span />

<span>The solution that the friction provides is </span><span>v</span><span>(</span><span>t</span><span>)=3501.7[m/s]</span><span>⋅</span><span>(</span><span>1−</span><span>e</span><span>−0.00280[1/s]</span><span>⋅</span><span>t</span><span>), where I get </span><span><span>96.69</span></span><span /><span><span><span><span>[</span></span><span /><span><span>m</span></span><span /><span><span><span><span>/</span></span></span></span></span><span><span><span>s</span></span><span /><span><span>]</span></span></span><span>=</span></span><span /><span><span>317.2</span></span><span /><span><span><span><span>[</span></span><span /><span><span>f</span><span>t</span></span><span /><span><span><span><span>/</span></span></span></span></span><span><span><span>s</span></span><span /><span><span>]</span></span></span></span><span><span /></span><span>. I am hoping that this answer has satisfied your query about this specific question.<span /></span>

7 0
3 years ago
–d+7d–2d–8d<br> uhhhhhhhh
AVprozaik [17]

Answer:

if you are trying to solve for <em>d </em>here it is...

2 sin (x) -1 = 0

2x=5

4x=8

Step-by-step explanation:

please give brainliest!

3 0
3 years ago
Read 2 more answers
Solve for x and z<br> 10x-6+z=2/5+5x-2
vodomira [7]

Answer:

z = − 5 x + 22/ 5

Step-by-step explanation:

4 0
2 years ago
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