Mathematics, 15.07.2020 06:01 kathrynway2715

Solve each equation for (0º 2 cos2x+ 3 cos x - 2 = 0
a. 60°, 120
b. 30°, 150
C. 30, 330
d. 60°, 300
Please select the best answer from the choices provided

Solve each equation for (0º
2 cos2x+ 3 cos x - 2 = 0
a. 60°, 120
b. 30°, 150
C. 30, 330
d. 60°, 300

Answers

Answer from: Quest

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

These figures are similar. the perimeter and area of one are given. the perimeter of the other is al

Answer from: Quest

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

Answer from: Quest

The answer to the question is d

Answer from: Quest

The right answer should be 6 but your not very specific

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Solve each equation for (0º 2 cos2x+ 3 cos x - 2 = 0
a. 60°, 120
b. 30°, 150
C. 30...