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nikdorinn [45]
4 years ago
7

A ball's position, in meters, as it travels every second is represented by the position function s(t) = 4.9t^2+ 550. What is the

velocity of the ball after 3 seconds?
I think the answer is -20.6 ft./sec. Just looking for confirmation. 
Mathematics
1 answer:
Drupady [299]4 years ago
4 0
Yes it is -20.6ft./sec
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the play began at 7:30p.m and included two 20 minute intermissions if the play lasts 2 hours and 35 minutes at what time did the
lord [1]
20×2=40 min

7:30+40 min= 8:10

8:10+2:35= 10:45 pm


5 0
3 years ago
Read 2 more answers
Negative fractions on the number line
Elodia [21]

Answer:

-1.2

Step-by-step explanation:

each mark is .20 so yeah

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3 0
3 years ago
Krissi has $14 in the bank and earns $8 a day. John has 35$ and earns $5 a day when will krissi have more money?
SOVA2 [1]

Answer: 8 days

Step-by-step explanation:

K=14+8x

J=35+5x

when K=J they will have the same amount

14+8x=35+5x

8x=21+5x

3x=21

x=7 days until they have the same amount- 8 days until she has more

5 0
3 years ago
0.005 ___ 0.05<br>&lt;<br>&gt;<br>=<br><br>thanks :&gt;​
irinina [24]
  • <em>0</em><em>.</em><em>0</em><em>0</em><em>5</em><em> </em><em><u>></u></em><em><u> </u></em><em> </em><em>0</em><em>.</em><em>0</em><em>5</em>

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4 0
2 years ago
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If vector u = &lt;-3.5, -1.5&gt; and vector v = &lt;-1.25, 2.25&gt;, which graph shows the resulting vector for 2v − u?
Sedaia [141]

Answer:

D

Step-by-step explanation:

We know that vector addition is scalar addition.

Given vectors are u = <-3.5, -1.5> and v = <-1.25, 2.25>

2v = < -2.5, 4.5>

2v - u = < -2.5, 4.5> - <-3.5, -1.5> = < -2.5 - (-3.5) , 4.5 -(-1.5) >

2v-u = < 1 , 6 >

This vector is basically i + 6j which is drawn in option D

8 0
3 years ago
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