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zavuch27 [327]
3 years ago
10

Sin2A-sin2B+sin2C=4cosA×sinB×cosC​

Mathematics
1 answer:
Hoochie [10]3 years ago
3 0

Answer:

Step-by-step explanation:

mark as brainliest!!! this is not a video i sent a screenshot instead

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Five busses are needed to transport 300 students. How many students can 7 busses transport?
FinnZ [79.3K]

Answer:

420 students

Step-by-step explanation: I first did 300/5 which got me 60, meaning that one bus could transport 60 students. Then you do 60*7 (60 is how many students on each bus, and 7 is how many buses there are) and get 420 students on 7 buses.

3 0
3 years ago
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The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that the temperature is c
jonny [76]

Answer:

P = 101.5 e^{-0.00015h}

Step-by-step explanation:

dP/dh = kP

dP/P = k dh

ln P = kh + C

Now, using the points given,

ln 101.5 = C, so C = 4.62

ln 87.3 = k*1000 + 4.62

k = -0.00015

So, we have

ln P = -0.00015 h + ln 101.5

P = 101.5 e^(-0.00015h)

3 0
3 years ago
Miguel drove 737 miles in 11 hours.
Dmitriy789 [7]

7 hours , to find the amount of miles in one hour you do 737 divided by 11. Then you take that (67) and divide it by 469

4 0
3 years ago
PLEASE HELP AND SHOW ALL WORK
irga5000 [103]
<span>4 ⋅ 6 + 5 ⋅ 7 + 6 ⋅ 8 + ... + 4n( 4n + 2) = 4(4n+1)(8n+7)/6 is false because it isn't even true when n=1. 4 ⋅ 6 = 4(4*1+1)(8*1+7)/6 24 = 4(5)(15)/6 24 = 50 Also 4n(4n+2) is not even the correct formula for the nth term. The correct nth term formula of 4 ⋅ 6 + 5 ⋅ 7 + 6 ⋅ 8 + ... is (n+3)(n+5). So it's wrong all the way around.</span>
4 0
4 years ago
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Porfavor ayudenme con esta radicacion no la entiendo√81 ∙ 49
IceJOKER [234]

Answer:

441

Step-by-step explanation:

sqrt81=9

9 x 49=441

6 0
3 years ago
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