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Vikki [24]
3 years ago
10

Use the FOIL method to check your answer from part A.

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
First = x^2

Inner = -5x

Outer = +8x

Last = -40

It is correct!
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A bag contains 31 red​ blocks, 47 green​ blocks, 23 yellow​ blocks, and 24 purple blocks. You pick one block from the bag at ran
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Answer:

0.07072

Step-by-step explanation:

Red Blocks= 31

Green Blocks= 47

Yellow blocks = 23

Purple blocks= 24

Total= 31+47+23+24= 125

P(Yellow) = 23/125

P(Purple)=24/125

NOTE: AND (X), OR (+)

​P(yellow yellow or purple purple​)

= P(Y and Y) + P(P and P)

=(23/125 X 23/125) + (24/125 X 24/125)

=529/15625 + 576/15625

=1105/15625

=221/3125

=0.07072

Therefore:

Probability of Picking Yellow Yellow or Purple Purple is 0.07072.

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