3 years ago

Pls help!!!! Evaluate the permutations 1. 6P22. 7P43. 8P3

Mathematics

1 answer:

Gnom [1K]3 years ago

4 0

Answer:

5p9

Step-by-step explanation:

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22 5. The probability of winning the game is 1/5 If you play the game

s2008m [1.1K]

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twice. (2)

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3 0

3 years ago

Use the quadratic formula to solve the equation.

Sergeeva-Olga [200]

ANSWER

$x = \frac{ 5 - \sqrt{ 5} }{4} \: or \: \: x = \frac{ 5 + \sqrt{ 5} }{4}$

EXPLANATION

The given quadratic equation is

$4 {x}^{2} - 10x + 5 = 0$

We compare this to

$a {x}^{2} + bx + c = 0$

to get a=4, b=-10, and c=5.

The quadratic formula is given by

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

We substitute these values into the formula to get:

$x = \frac{ - - 10 \pm \sqrt{ {( - 10)}^{2} - 4(4)(5)} }{2(4)}$

This implies that

$x = \frac{ 10 \pm \sqrt{ 100 - 80} }{8}$

$x = \frac{ 10 \pm \sqrt{ 20} }{8}$

$x = \frac{ 10 \pm2 \sqrt{ 5} }{8}$

$x = \frac{ 5 \pm \sqrt{ 5} }{4}$

The solutions are:

$x = \frac{ 5 - \sqrt{ 5} }{4} \: or \: \: x = \frac{ 5 + \sqrt{ 5} }{4}$

7 0

3 years ago

Read 2 more answers

Can you please help me on this question

Ivan

Answer:

2 7/12

Step-by-step explanation:

1. Convert 3 11/12 and 1 4/12 to 47/12 and 16/12

2. 47/12 - 16/12 = 2.583333333

3. Convert to improper fraction : 31/12

4. Convert to proper fraction : 2 7/12

I hope this helps!

7 0

3 years ago

Pls help!!!! Evaluate the permutations 1. 6P22. 7P43. 8P3​

Pls help!!!! Evaluate the permutations 1. 6P22. 7P43. 8P3