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Lelechka [254]
2 years ago
6

What other angle between O and 360 degrees has the same TAN value as 71

Mathematics
1 answer:
atroni [7]2 years ago
5 0

Answer:

<u>-289 degrees</u>

Step-by-step explanation:

You are looking for what is called  <u>Coterminal Angles</u>.

To find a coterminal angle between 0 and 360 you <u>add or subtract</u> 360.

  1. In this case, we subtracted 360 from 71
  2. 71 - 360 = -289
  3. tan(-289) = 2.90
  4. If  TAN 71 = 2.90 and TAN -289 = 2.90, you know -289 is your answer.

Hope this helps!! Please mark Brainliest!!!

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An airplane travels 6200 kilometers against the wind in 8 hours and 6840 kilometers with the wind in the same amount of time. Wh
lubasha [3.4K]

Answer:

still air = 815, wind = 40

Step-by-step explanation:

x+y=against

x-y=with

8(x+y)=6200

8(x-y)=6840

Divide 8.

x-y=775

x+y=855

Subtract. 2 from 1

2y=80

y=40

x=815

Hope this helps plz hit the crown :D

4 0
3 years ago
If you bike for 60 kilometers at 30 kilometers per hour and return at 20 kilometers per hour, what is the average speed for the
matrenka [14]
V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
   =2*30*20/(30+20)
   =24km/hr
8 0
3 years ago
How much money must be deposited now in an
Liono4ka [1.6K]

Answer:

\$487.48

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=10\ years\\ A=\$1,000\\ r=7.25\%=7.25/100=0.0725\\n=4  

substitute in the formula above

1,000=P(1+\frac{0.0725}{4})^{4*10}  

1,000=P(\frac{4.0725}{4})^{40}

P=1,000/(\frac{4.0725}{4})^{40}

P=\$487.48

5 0
3 years ago
On a number line 7.29 and -7.29 are the same point. true or false
zlopas [31]
Answer should be False
8 0
3 years ago
Which system of inequalities does the graph represent? Which test point satisfies both of the inequalities in that system?
aev [14]

Answer:

Ok so its -3;3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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