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jok3333 [9.3K]
3 years ago
5

Find the value of y X=4/y + 2

Mathematics
1 answer:
Oduvanchick [21]3 years ago
5 0

Answer:

Step-by-step explanation:

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2

Step-by-step explanation:

1. 20/10

2. divide numerator and denominator by 10

2. 2/1 = 2

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Double a number increased by half the same number

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[50 pts, will mark right answer as Brainliest] A bag contains the following prize tickets:
liraira [26]

Answer:

  • 114

Step-by-step explanation:

<u>Total number of tickets:</u>

  • 6 + 2 + 8 + 4 = 20

<u>Number of slushie or an ice cream sundae prize tickets:</u>

  • 8 + 4 = 12

<u>Probability of drawing a slushie or an ice cream sundae prize ticket:</u>

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6 0
3 years ago
Csc (2sin^-1(-12/13))<br> that is 2 times inverse sin of -12/13
german
Answer: -\frac{169}{120}

I'm assuming you mean this:

cosec(2sin^{-1}(\frac{-12}{13}))

Recall what the cosecant function represents. It is the reciprocal of a sine function, and is often written in this form:

\frac{1}{sinx}

So, using the sine relationship:

cosec(2sin^{-1}(\frac{-12}{13})) = \frac{1}{sin(2sin^{-1}(\frac{-12}{13}))}

Let u = sin^{-1}(\frac{-12}{13})
cosec(2sin^{-1}(\frac{-12}{13})) = \frac{1}{sin(2u)}
= \frac{1}{2sinu \cdot cosu}
= \frac{1}{2sin(sin^{-1}(\frac{-12}{13})) \cdot cos(sin^{-1}(\frac{-12}{13}))}
= \frac{1}{\frac{-24}{13} \cdot \sqrt{1 - (\frac{-12}{13})^{2}}}
= \frac{1}{\frac{-24}{13}} \cdot \frac{1}{\sqrt{1 - \frac{144}{169}}}
= -\frac{13}{24} \cdot \frac{1}{\sqrt{\frac{25}{169}}}
= -\frac{13}{24} \cdot \frac{1}{\frac{5}{13}}
= -\frac{13}{24} \cdot \frac{13}{5}
= -\frac{169}{120}
3 0
3 years ago
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