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Vaselesa [24]
3 years ago
10

Cos() = O A. V B. 173 2 OC. OD. -3

Mathematics
1 answer:
irga5000 [103]3 years ago
7 0

Answer:

-√3/2

Step-by-step explanation:

Given the expression:

Cos(7π/6)

Conver to degrees

=  Cos(7(180)/6)

= cos 210

= -√3/2

Hence the value of cos(7π/6) is -√3/2

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Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Rom4ik [11]

Answer:

x ≥ −5 and x < 4

Step-by-step explanation:

-4x + 1 ≤ 21 and 5x + 2 <  22

5x + 2 < 22 =<u> x < 4</u>

We can plug it in: 5 x 3 + 2 < 22 = <u>17 < 22</u>

-4x + 1 ≤ 21 = x= -5 and lower

Plug it in: -4 x -5 + 1 ≤ 21 = 21 ≤ 21 = <u>x ≥−5</u>

So both answers would be:

x ≥−5 for -4x + 1 ≥ 21

x < 4 for 5x + 2 <  22

6 0
3 years ago
Which series of transformations results in the image being congruent to the pre-image?
erik [133]
For the element to be congruent only rotations, reflections or translations are allowed to be applied
1)
(x, y) → (x, –y)=reflection
(x, y) → (x + 5, y)=translation
(x, y) → (–x, y)=reflection
->is congruent
2)
(x, y) → (x + 1, y)=translation
(x, y) → (–x, –y)=reflection
(x, y) → (2x, y)=scaling->can't be congruent
3)
(x, y) → (0.5x, 0.5y)=scaling->can't be congruent
(x, y) → (x, –y)
(x, y) → (x, y + 8)
4)
(x, y) → (x – 4, y)=translation
(x, y) → (x, y + 3)=translation
(x, y) → (3x, 3y)=scaling->can't be congruent

so 1) is the only series of transformations with a congruent solution
4 0
3 years ago
Read 2 more answers
Kim plans to share her candy with 4 friends. If she has 9 chocolates and 6 lollipops, how many pieces of candy will they each ge
ira [324]

Answer:

3.75

Step-by-step explanation:

For Chocolates:

9 ÷ 4 = 2.25

For Lollipops:

6 ÷ 4 = 1.5

Now you add 2.25 and 1.5:

= 3.75

Hope I helped! If so, may I get Brianliest and a Thanks?

Thank you, have a good one! =)

5 0
3 years ago
Cot^8 theta - 1 cot^8 theta - 1​
Leokris [45]
-1


Mark brainliest please


Hope this helps you out
4 0
3 years ago
Which is the volume of the Sphere with a diameter of 6 inches?
Tasya [4]

Answer:

C

Step-by-step explanation:

because 6×6 is 36 so yeahh

6 0
3 years ago
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