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yuradex [85]
2 years ago
7

How many roots does the equation -2x^3 = 0 have? 3 2 1 0

Mathematics
2 answers:
artcher [175]2 years ago
3 0
3 sorry if it is wrong but have a good day
Softa [21]2 years ago
3 0

Answer:

3

Step-by-step explanation:

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If sin phi sin theta = 0.2 and sin phi cos theta = -0.3 and sin phi > 0 what is theta ? Repeat for sin phi < 0.
Rina8888 [55]

Answer:

θ = -33.69°

Step-by-step explanation:

For Φ>0 and Φ<0  (in general Φ≠nπ  where n is an integer), sin(Φ) ≠ 0

Dividing both equations:

\frac{sin(\phi) sin(\theta)}{sin(\phi)cos(\theta)} = tan(\theta) = 0.2/(-0.3)=-2/3\\

Therefore:

arctan(θ) = -2/3

  θ = -33.69°

The answer does not depend on the sign of Φ, in fact we just need that the sine does not become zero, which occurs when Φ is equal to an integer times π (radians) or 180 (degrees)

Have a nice day!

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Answer: [-1,infinity)

Step-by-step explanation:

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3 years ago
What is the radical expression
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5x^{\frac{1}{4} }=5\cdot x^{\frac{1}{4}}= 5\sqrt[4]{x} \\\\because\\\\a^{\frac{1}{n} }=\sqrt[n]{a}

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3 years ago
A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number
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It's 54 degrees.

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4 0
3 years ago
Read 2 more answers
POSSIBL
almond37 [142]

Answer:

Divide both sides by V

Step-by-step explanation:

The equation is not well written.

Mariko needs to solve the equation below for D. Here is the equation:

M = DV

For Mariko to get D, he needs to make D the subject of the formula by dividing both sides of the equation by the coefficient of D i.e V as shown;

Divide both sides by V

M/V = DV/V

V at the denominator will cancel out the V at the numerator to have:

M/V = D

Rearrange

D = M/V

Therefore, the statement which correctly describes the step he should take is:

Divide both sides by V. Option B is correct.

6 0
3 years ago
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