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Natali5045456 [20]
3 years ago
6

A scuba diver swimming at the Deppe shown, and then swim 0.5 feet toward the surface every three seconds. What is the location o

f the scuba diver, relative to the surface, after 15 seconds?
Mathematics
1 answer:
ivanzaharov [21]3 years ago
7 0
For every 3 seconds, the scuba diver dives 0.5 feet
after 15 seconds = your answer

3 x 5 = 15
0.5 x 5 = your answer

your answer = 2.5

2.5 is your answer

hope this helps
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College calculus. I've tried it a couple times but i can't seem to get the right answer
boyakko [2]
The area is the sum of 'n' rectangle areas.
The width of the rectangle is size of interval, (domain size)/n
The height of each rectangle is f(interval) as interval moves along domain.

For this example, domain size = 3-1 = 2
size of interval = 2/n
height varies from f(1) to f(3), increasing by 2/n each time.
f(1+(2/n)i)

Putting this together, the area is the sum of:
\frac{2}{n}*f(1+\frac{2i}{n})

Since you are given the function f(x). Sub input into f(x) to get area in terms of n and i.

f(1+\frac{2i}{n}) = \frac{3(1+\frac{2i}{n})}{(1+\frac{2i}{n})^2 +8} \\  \\ =\frac{3n+6i}{n}*\frac{n^2}{(n+2i)^2 +8n^2} \\  \\ =\frac{3n^2 +6ni}{9n^2+4ni+4i^2}

Finally, the summation is:
\frac{2}{n}*\frac{3n^2 +6ni}{9n^2+4ni+4i^2} = \frac{6n +12i}{9n^2+4ni+4i^2} \\  \\  A =\lim_{n \to \infty} \sum_{i=1}^n \frac{6n +12i}{9n^2+4ni+4i^2}
7 0
3 years ago
Need Help With My Geometry Work Plz Help
Olenka [21]

Answer:

Step-by-step explanation:

(number of sides-2)*180 = (6-2)*180 = 720°

a= 720/6= 120°

lines form 180° angles

b= 180-120= 60°

sum of angles in a triangle is 180, and the angles are ≡

c=180/3 = 60°

c and d are supplementary angles (they add to 180)

d= 180-60 = 120°

d ≡ e+e because are vertical angles

e= 120/2 = 60°

sum of angles in a triangle is 180

f= 180 -90-60 = 30°

(number of sides-2)*180 = (5-2)*180 = 540°

g= 540/5= 108°

7 0
3 years ago
In the diagram <br> What is m
KIM [24]
The m is going to be 24
5 0
2 years ago
6+12 ÷3x2-3x4<br><br><br> please solve step-by-step begginers
kari74 [83]

Answer:

The answer is 2

Step-by-step explanation:

Hope this helps.

8 0
2 years ago
Read 2 more answers
You purchase 12 packages of wrapping paper. Large packages cost $7 and small packages cost $4.50. Write and simplify an expressi
Firlakuza [10]

In this question , n represent the large packages . And total number of packages =12.

So , total number of small packages=12-n

Cost of large packages=$7 and of small packages=$4.50 .

So total cost is the sum of cost of large packages and cost of small packages .

That is

C(n) = 7n +4.50(12-n) \\ C(n) = 7n+54-4.50n \\ C(n)= 2.50n +54

And in the second part, n=8 .

Substituting 8 for n, we will get

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6 0
3 years ago
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