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hjlf
2 years ago
15

Please answer this question

Mathematics
2 answers:
gladu [14]2 years ago
8 0

Answer:

A

hope that helped <3

lapo4ka [179]2 years ago
4 0
2.5
Hope my answer will help you
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Convert 75 degrees to radican measure
NeX [460]

Answer:5π/12

Step-by-step explanation:

180°=π

75°=x

x=75π ➗ 180

x=5π/12

6 0
3 years ago
Solve this question peasents nah jk lol
Zina [86]

v = √16 · √d

d = 300 ft

v = √16 · √300

v = √16 · √100 · √3

v =  4  ·  10  · √3  

<em>v = 40√3  ft/sec  </em>  <== simplified radical form

That's about 69.3 feet per sec, or 47.2 miles per hour.

5 0
3 years ago
Divide (-7x+x^2+15)/(-3+x) please this is the last question on the test!
Vesna [10]
Your answer should be -x+3
3 0
2 years ago
Will mark BRAINLIEST!!!
svlad2 [7]

Answer:

answer choice c is correct

:)

hope that helped. <3

<em>bye now! </em>

<em>have a nice day too <3.</em><u><em> k bye</em></u>

7 0
3 years ago
Read 2 more answers
The rate of change of the volume of a snowball that is melting is proportional to the surface area of the snowball. Suppose the
Alisiya [41]

Answer:

According to the passage, we have the next equation:

\frac{dV}{dt} = \frac{4}{3}\pi*3*r^{2}*\frac{dr}{dt} = K*(4\pi*r^{2} )

where "K" is a proportional constant

Leaving at the end with the next equation:

\frac{dr}{dt} = K

Integrating the equation, we have:

r=K*t+C

where "C" is a constant

Then, we have the 2 conditions for the problem:

1) t=0 → r=10

Replacing in the equation, we have C = 10

2) t=5 → r=8

Replacing in the equation, we have K = -0.4

Finally, the time which the snowball will be completely melted will be when r = 0. So replacing in the equation

0=-0.4*t+10

t = 25 minutes

6 0
2 years ago
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