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Rufina [12.5K]
2 years ago
6

How do you expand 5(2x - 1)?

Mathematics
2 answers:
vlabodo [156]2 years ago
6 0

Hey there!

5(2x - 1)

DISTRIBUTE 5 WITHIN THE PARENTHESES

= 5(2x) + 5(-1)

= 10x - 5

Therefore, your answer is: 10x - 5

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

dybincka [34]2 years ago
4 0
Multiply 5 by each number in the parentheses
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PEASE HELP ASAP!!! The sum of two numbers is 58.
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Answer:

y=15

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(any variable can be used, I used x and y to make it easier to show)

Step-by-step explanation:

x+y=58

x-y=28

get x by its self

x=58-y

then subsitute into the other equation

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58-2y=28

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y=15

sub. again

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8 0
3 years ago
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<span>The correct answer is
</span>  Find the probability of selecting a diamond and then selecting a queen.

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<span>hearts: 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, A---- > 13 cards</span>

<span>clubs: 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, A---- > 13 cards</span>

<span>spades: 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, A---- > 13 cards</span>

<span>diamonds: 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, A---- > 13 cards</span>

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<span>c)   </span>The probability of selecting a diamond and then selecting a queen is

(13/52)*(4/52)=0.0192------------->1.92%

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