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makvit [3.9K]
4 years ago
14

Please help me simplify complex fractions 1/5/3/4

Mathematics
2 answers:
Inga [223]4 years ago
4 0
The answer is 4/15 decimal form is .26 and six repeates

Ne4ueva [31]4 years ago
3 0
1/5 reciprocal the second fraction to 4/3
1/5 ( 4/3) = 4/15

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3 years ago
5x + 5 = -4 +2x + 15 what is x
Tom [10]

Answer:

2

Step-by-step explanation:

5x + 5 = -4 +2x +15

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Please answer ASAP! If 0 is an angle in quadrant II, what is the value of sin(0)
natka813 [3]

Answer:

Option A

Step-by-step explanation:

It's given that cosθ = -\frac{2\sqrt{5} }{5}

Since, cosθ = \frac{\text{Adjacent side}}{\text{Hypotenuse}} = -\frac{2\sqrt{5} }{5}

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By applying Pythagoras theorem in the right triangle,

(Hypotenuse)² = (Opposite side)² + (Adjacent side)²

(√5)² = (Opposite side)² + (2)²

5 = (Opposite side)² + 4  

Opposite side = √(5 - 4)

                       = 1

Since, sinθ = \frac{\text{Opposite side}}{\text{Hypotenuse}}

                  = \frac{1}{\sqrt{5}}

Since, sine is positive in IInd quadrant,

sinθ = \frac{1}{\sqrt{5}}

Therefore, option A will be the answer.

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3 years ago
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