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3 years ago

7

A set of cards includes 20 yellow cards, 16 green cards, and 24 blue cards. What is the probability that a blue card is chosen a

t random?

1 answer:

baherus [9]3 years ago

7 0

Answer:

Blue cards

Step-by-step explanation:

Because that is the highest amount so it is most likely youll get that one.

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2 years ago

Sarah has 128 stickers. alex has 10 fewer stickers than sarah. how many stickers does Alex have.

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3 years ago

Please help as soon as possible <br>it's due tomorrow

erma4kov [3.2K]

Answer:

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Step-by-step explanation:

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3 years ago

the product of two consecutive integers n and n+1 is 42. what is the positive integer that satisfies the situation?

MrMuchimi

$n(n+1)=42 \\
n^2+n=42 \\
n^2+n-42=0 \\ \\
a=1 \\ b=1 \\ c=-42 \\ b^2-4ac=1^2-4 \times 1 \times (-42)=1+168=169 \\ \\
n=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-1 \pm \sqrt{169}}{2 \times 1}=\frac{-1 \pm 13}{2} \\
n=\frac{-1 -13}{2} \ \lor \ n=\frac{-1+13}{2} \\
n=\frac{-14}{2} \ \lor \ n=\frac{12}{2} \\
n=-7 \ \lor \ n=6$

The positive integer is 6.
The consecutive integers are 6 and 7.

8 0

3 years ago