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FrozenT [24]
3 years ago
10

There is 1/4 chance of picking a green marble from a bag. IF there are 20 total marbles in the bag, how many marbles must be gre

en?
Mathematics
1 answer:
matrenka [14]3 years ago
8 0

Answer:

5 green marbles.

Step-by-step explanation:

20* 1/4 = 5

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3 years ago
Select the two binomials that are factors of this trinomial x^20 - x - 20
Mashcka [7]

Answer:

(x-5)(x+4)

Step-by-step explanation:

To factor the equation, break it into two binomials which multiply to make the equation. To write these binomials (x+a)(x+b), find factors which multiply to -20 and add to -1 for a and b.

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8 0
3 years ago
У = 2х – 1<br> у = 3х + 2<br> Using substitution method
sergij07 [2.7K]

Answer:

x = -3, y = -7

Step-by-step explanation:

Eliminate the equal sides of each equation and combine.

Solve 2x - 1 = 3x + 2 for x.

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x = -3

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y = 3 (-3) + 2

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(-3, -7)

<em>good luck, i hope this helps :)</em>

7 0
3 years ago
Read 2 more answers
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