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Gennadij [26K]
2 years ago
10

Tyler jade had 3 red hats and 2 blue hats if she picks one hat at random 100 times, estimate how many times she will pick a rev

hat. (First answer with explanation gets brainiest)
Mathematics
1 answer:
Lunna [17]2 years ago
3 0

Answer:

She should expect to draw 60 red hats.

Step-by-step explanation:

Explanation

This must assume that after each draw,  she replaces the hat she drew, otherwise you'd never get to the hundredth draw.

The total number of choices Tyler has is 5. She can draw one of 3 red hats and 1 of 2 blue hats.

The probability of drawing a red hat is 3 in 5

Though you don't need it, the probability of drawing a blue hat is 2/5

Solution

The total number of successful draws = fraction of reds * number of reds

Number red = 3/5 * 100 = 60

Answer

She should draw roughly 60 red hats.

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3 years ago
Please help meASAP<br><br> And show any work possible.
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Step-by-step explanation:

7 0
3 years ago
Solve x ^ 2 - 3x = - 8 using the quadratic formula.
Sergio039 [100]

Answer: \frac{3 +- \sqrt{23}i}{2} If using complex numbers, or undefined if using all real numbers

Step-by-step explanation:

Moving -8 to the left side of the eq by adding both sides by 8=

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The quad formula:\frac{-b  +- \sqrt{b^2-4ac}}{2a}

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Inserting a b c values into formula: \frac{-(-3)  +- \sqrt{(-3)^2-4(1)(8)}}{2(1)}

Simplifying: \frac{3 +- \sqrt{9-32}}{2}

\frac{3 +- \sqrt{-23}}{2}  Since the square root of a negative number doesn't exist in the set of real numbers, the equation is undefined.

OR

\frac{3 +- \sqrt{23}i}{2} Using complex numbers i, to replace the negative number created by subtracting 9-32.

4 0
2 years ago
Luke walks 40 miles in 25 seconds and Maria walks 30 miles in 10 seconds who walks faster?
Veronika [31]

Answer:

Thank to Goalscore24 correcting me, its actually Maria walking faster

Because 40 divided by 25 is 1.6

and 30 divided by 10 is 3

So Maria runs 3 miles in 1 second, and Luke runs 1.6 miles in 1 second

So Maria is faster.

5 0
2 years ago
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