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Paha777 [63]
3 years ago
14

Use the given information to find the exact value of each of the following. a. sine 2 thetasin2θ b. cosine 2 thetacos2θ c. tange

nt 2 thetatan2θ

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0

The solution is in the attachment

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Explain the algebra 5a - 9a - (-2a) =
sleet_krkn [62]

Hello!

5a - 9a - (-2a) =

= 5a - 9a + 2a =

= -4a + 2a =

= -2a

Good luck! :)

7 0
3 years ago
What is 2.8 as a fraction in simplest form
irina1246 [14]
2.8 = 2 + 0.8

*let's analyze the decimal 0.8 as a fraction

0.8 = 8/10

*but if we divide the numerator and denominator by the same common factor of 2, we find that the fraction can be reduced to:

(8/2)/(10/2) = (4)/(5) = 4/5

*now evaluating the whole value of 2 (from the 2.8), we know there are a total of (5) - fifths in order to make a whole, so for 2 whole, we require:

2*(5/5) = (2*5)/5 = 10/5

*Now we add the fractions together:

2 = 10/5
0.8 = 4/5

10/5 + 4/5

*add numerators only, the denominator stays as a 5

(10 + 4)/5 = 14/5

*there are no common factors between 14 & 5 (other than 1, but that won't help reduce the fraction any), so the fraction is in it's simplest form:

answer is: 14/5

8 0
2 years ago
Read 2 more answers
Calculate. If possible, reduce your answers. 12+3·(11−15) =
katrin [286]

Answer:

60

Step-by-step explanation:

(11−15) = 4

12+3=15

15x4=60

6 0
2 years ago
Selamın aleyküm :'D djkdlslskdls
jekas [21]
The language of oh yea doesn't exist :)
5 0
2 years ago
Select all sets that contain the number 0.484848.
Yuki888 [10]

0.484848  . . . . .

<span>A. Integer . . . no, it's not
B. Irrational . . . no, it's not
C. Natural. . . no, it's not
D. Rational . . . Yes !  It is !
E. Whole</span> . . . no, it's not


4 0
3 years ago
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