2 years ago

If x = a sec and y = b tan then find b^2x x^2-a^2x y^2

Mathematics

1 answer:

antiseptic1488 [7]2 years ago

5 0

No body cares just let me get my answers

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In a gambling game, you roll 2 die and if you toss 2 sixes, you win $100, otherwise you lose $5.

Natalka [10]

Answer:

a. $\frac{1}{36}$ chance you win.

b. The expected value of the game is -$2.08.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

You roll 2 die and if you toss 2 sixes

For each roll, 6 possible values, 1 of which is 6. So the probability of rolling two sixes is:

$p = (\frac{1}{6})^2 = \frac{1}{36}$

a. What is the chance you win?

$\frac{1}{36}$ chance you win.

b. What is the expected value of the game?

1/36 probability of winning 100.

35/36 probability of losing 5. So

$E = \frac{1}{36}*100 - \frac{35}{36}*5 = \frac{100 - 175}{36} = -\frac{75}{36} = -2.08$

The expected value of the game is -$2.08.

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2 years ago

A circle has its center at (1, 4) and a radius of 2 units. Find the equation of the circle using the Pythagorean Theorem.

Aleonysh [2.5K]

(x-1)^2+(y-4)=4 is the answer but the pyth theorem is for triangles

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2 years ago

8^-3x^7y^-11/5x^-19y^17z^-14. Simplify

bazaltina [42]

Y^2/2560x^12z^14........................................

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6. What’s the answer to this question

Artyom0805 [142]

Answer:

C. The number of dog toys

Step-by-step explanation:

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2 years ago

Find the circumference of a circle with a radius of 5mm

kolezko [41]

Answer:

31.4 (simplified)

Step-by-step explanation:

C≈2π*5

C≈31.41593 (full answer)

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2 years ago

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