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NemiM [27]
2 years ago
9

Find the area of a polygon and show step by step explanation pls

Mathematics
1 answer:
AysviL [449]2 years ago
4 0

Answer:

156

Step-by-step explanation:

6×12=72

7×12=84

72+84=156

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7/22 rounded to the nearest thousand
saw5 [17]

Answer:

0.318

Step-by-step explanation:

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2 years ago
What’s the value of the ratio 21:45
hichkok12 [17]

Answer:

im not sure but I think it's 1.5

3 0
3 years ago
Read 2 more answers
A student dropped a textbook from the top floor of his dorm and it fell according to the formula s(t) = −16t 2 + 8√t , where t i
Sidana [21]

Answer:

<h2>-29.61m/s</h2>

Step-by-step explanation:

Given the distance of fall of the student in term of the time t expressed by the equation s(t) = −16t² + 8√t, to get the average speed of fall of the pencil after 2.8 secs, we will need to differentiate the given function first since Velocity is the change in distance of a body with respect to time i.e

V = d(s(t))/dt

s(t) = −16t² + 8t^1/2

V = -32t+1/2(8)t^(1/2 - 1)

V = -32t+4t^-1/2

The average speed of the fall Using the fact that the pencil hit the ground in exactly 2.8 seconds, will be gotten by substituting t = 2.8 into the resulting equation.

V = -32t+4(2.8)^-1/2

V = -32t+4/√2.8

V = -32+4/1.6733

V = -32+2.391

v = -29.61m/s

<em>Hence the average speed of the fall is -29.61m/s</em>

3 0
3 years ago
NEED THE CORRECT ANSWER ASAP, PLEASE HELP!!! Drag and drop the expressions into the boxes to correctly complete the proof of the
belka [17]

Answer:

See attached

Step-by-step explanation:

The proof is attached

4 0
3 years ago
Erik drives 19.2 miles in 16 minutes.
Kipish [7]
Bruh it clearly says 65 mph so that’s the answer
7 0
3 years ago
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