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Free_Kalibri [48]
3 years ago
9

A card is dealt from a​ 52-card deck. find the probability that it is not a 77. express the probability as a simplified fraction

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0
Did you mean that it is not a 7? If so...

48/52 which, when simplified, is 12/13
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Grace [21]

Answer:

Corresponding Angles and Alternate Exterior

Step-by-step explanation:

The angles are corresponding if same side in a parallel.

This is because as the lines are parallel to one another that means that the next following angle measure is the same in approach.

For the other problems if they are opposite sides from one another.

They are called alternate exteriors.

5 0
2 years ago
When the solution of x2 − 9x − 6 is expressed as 9 plus or minus the square root of r, all over 2, what is the value of r? x equ
jarptica [38.1K]

Answer:

r = 105

Step-by-step explanation:

Given quadratic equation:

x² − 9x − 6

Quadratic formula is given by:

(-b ± √b² - 4ac) ÷ 2a

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a = 1, b = -9 and c = -6

Substitute in the quadratic formula:

(-b ± √b² - 4ac) ÷ 2a

(-(-9) ± √(-9)² - 4(1*-6)) ÷ 2*1

= 9 ± √105 / 2

The solution of x² − 9x − 6 is expressed as 9 plus or minus the square root of r, all over 2

Therefore, the value of r is 105

4 0
3 years ago
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Doss [256]

Answer:

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7 0
3 years ago
Please help with this!!!<br> In need of a answer fast!
KiRa [710]
I don’t see the question.
7 0
3 years ago
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3 years ago
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