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Vlada [557]
3 years ago
8

Evaluate the expression shown below and write your answer as a fraction in simplest form 1/9+1/12

Mathematics
1 answer:
netineya [11]3 years ago
8 0
The answer would be 7/36.
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Secθ =__________________<br><br> 1/sinθ<br><br> +-√cos^2 +1<br><br> +-√tan^2 +1
Zielflug [23.3K]

Answer:

The answer is last option

As we know 1 + tan^2 = sec^2

6 0
3 years ago
Read 2 more answers
An airline claims that 90% of the time, its planes are on schedule. If three flights are selected at random, what is the probabi
serg [7]
1. Check the tree diagram in the picture attached.

2. The blue segment represents "on time"
    The red segment represents "not on time"


3. blue - blue - red represents the case 1st on time, 2nd on time, 3rd not on time.

the combined probability is 90/100*90/100*10/100=9/10*9/10*1/10=99/1000=0.099

4. Remark with a tree diagram we can tell anything asked about the probability of an experiment.

8 0
3 years ago
For an angle (theta) with the point (5, -12) on its terminating side, what is the value of cosine?
padilas [110]

we are given

(x,y)=(5,-12)

so, x=5 and y=-12

now, we can find r

r=\sqrt{x^2+y^2}

r=\sqrt{5^2+(-12)^2}

r=13

now, we can find cos

cos(\theta)=\frac{x}{r}

so, we get

cos(\theta)=\frac{5}{13}...........Answer

4 0
3 years ago
Find the measurement of 0 in radians
Lina20 [59]

Answer:

5 pi/12

Step-by-step explanation:

To change degrees to radians, multiply by pi/180

75* pi/180

divide the top and bottom by 15

5 pi/12

6 0
3 years ago
Answer in yd! need help asap
sweet [91]

Answer:

8 yd

Step-by-step explanation:

The opposite side is 14 and the lower portion plus the missing value would equal 14:

14 = 6 + ?

So subtract 6 from 14 to get the missing length, 8.

8 0
3 years ago
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