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nikdorinn [45]
3 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]3 years ago
4 0
Yes it is -20.6ft./sec
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15 points. Attached the question<br>​
Vanyuwa [196]

Answer:

3

Step-by-step explanation:

(2x +1)/8 - (x-1)/3 = 5/24

multiple the 2x+1/8 by 3 and multiple (x-1)/3 by 8 then add them up

6x+3/24 - 8x-8/24 ➡ 6x-8x+11/24 = 5/24

➡ -2x+11 = 5

➡ -2x = 5-11

➡ x = 3

4 0
3 years ago
I can't figure this one out...
worty [1.4K]

Answer:

the area would be 36(pi) since you can't find out the exact value of pi (22/7) and where it would terminate so thats the most exact answer you can get. The circumference would be

Step-by-step explanation:

12/2 = 6

Area = (pi)radius^2

6^2 = 36

36(pi)

Circumference: (pi)d

12(pi)


For approximate area you multiply r^2 by 3.14

For approximate circumference you multiply diameter by 3.14


5 0
3 years ago
Read 2 more answers
Jaidee and Kim are selling fruit for a school fundraiser.
tamaranim1 [39]
What is the rest of the question?
3 0
3 years ago
The perimeter of a square is 56 cm. What is the approximate length of its diagonal?
kotykmax [81]
S = 56 cm
s / 4 

= 56/4
= 14.0 cm

4 0
2 years ago
Read 2 more answers
Help me pleaseeeeeeeeee
PIT_PIT [208]

Answer:

y = 3x + 4

Step-by-step explanation:

✔️First, find the slope using any two given pairs form the table, say (2, 10) and (5, 19):

Slope (m) = ∆y/∆x = (19 - 10) / (5 - 2) = 9/3

m = 3

✔️Find y-intercept (b) by substituting (x, y) = (2, 10) and m = 3 into y = mx + b

10 = 3(2) + b

10 = 6 + b

10 - 6 = b

4 = b

b = 4

✔️Write the equation by substituing m = 3 and b = 4 into y = mx + b

y = 3x + 4

4 0
2 years ago
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