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antoniya [11.8K]
3 years ago
12

Which equation is correct

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
7 0
1. Two of the main identities used in trigonometry for right triangles (Triangles that have an angle of 90°) are: Sine (Sin) and Cosine (Cos).


 Sin x°=Opposite/Hypotenuse

 Cos x°=Adjacent/Hypotenuse

 2. The inverse of Sinx° is Cosec x°, then:

 Cosec x°=1/Sin x°

 3. The inverse of Cos x° is Sec x°, then:

 Sec x°=1/Cos x°

 4. Keeping this on mind, you have:

 Cosc x°=Hypotenuse/Opposite

 Sec x°=Hypotenuse/Adjacent

 5. Therefore, the correct answer is:

 The third option: Cosec x°=Hypotenuse/Opposite.
Murljashka [212]3 years ago
3 0

Answer:

c

Step-by-step explanation:

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Step-by-step explanation:

take 2/5 x 240 = 96 which is two fifths of 240

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4 0
3 years ago
cameron is 3 years old older than karlee. karlee is two years older than denise. the sum of cameron,karlee,and denise age is 49.
Mrac [35]

Subtract 5 (Cameron) and 2 (Karlee) from 49.

Why: Denise's age is basically the basic number. Karlee would be 2 years older, so subtract 2 from 49. You get 47. Cameron is 5 years older than Denise, so subtract 5. You get 42 and divide that by 3 since there are 3 people.

49 - 7 = 42

42 divide by 3 = 14

Check:

14 + 5 = 19

14 + 2 = 16

14 + 0 = 14

19 + 16 + 14 =  49

19 (Cameron) - 16 (Karlee) = 3 years older

16 (Karlee) - 14 (Denise) = 2 years older

19 (Cameron) - 14 (Denise) = 5 years older

Hopes this helps!

7 0
3 years ago
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IRINA_888 [86]

Step-by-step explanation:

Volume of cylinder

= πr²h

= π×3²×6

= 54π

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5 0
2 years ago
Read 2 more answers
4=17-k <br>What does k equal?​
labwork [276]

Answer:

13

Step-by-step explanation:

17-4=13 therefore 17-13=4

5 0
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