MATHEMATICS MIDDLE SCHOOL

Use the magic penny parable to determine how much money you would have after 8 days.

Answers

Answer 1

Answer:

Use the formula T(x) = 0.01x2^x

X is the number of days.

T(8) = 0.01 x 2^8

T(8) = 0.01 x 256

T(8) = $2.56

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A bag contains 6 blue marbles, 4 red marbles, and 2 yellow marbles. What is the probability of selecting a blue marble, replacing it, then selecting another blue marble?

Answers

Probabilities are used to determine the chances of an event.

The probability of selecting 2 blue marbles (with replacement) is 1/4

The given parameters are:

$\mathbf{Blue = 6}\n\n$

$\mathbf{Red = 4}$

$\mathbf{Yellow = 2}$

The total number of marbles is:

$\mathbf{n =Blue + Red + Yellow }$

$\mathbf{n =6 + 4 + 2}$

$\mathbf{n =12}$

The probability of selecting 2 blue marbles (with replacement) is:

$\mathbf{Pr = (Blue)/(n) * (Blue)/(n)}$

$\mathbf{Pr = (6)/(12) * (6)/(12)}$

Simplify

$\mathbf{Pr = (1)/(2) * (1)/(2)}$

Multiply

$\mathbf{Pr = (1)/(4)}$

Hence, the probability of selecting 2 blue marbles (with replacement) is 1/4

Answers

6x+8, add both sides together and multiply by 2

Answer:I believe its 1... I hope this helps

Aiden measures a book with paper strips. It is actually 10 paper strips long, but he gets an answer if 8. What is his mistake?

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he measured the wrong side

How to find the measurement of a parallelogram

Answers

Answer:

In a parallelogram, consecutive angles are supplementary. Thus,

B + C = 180^{\circ}

(2x+15)+x=180

3x+15=180

3x=165

x=55

Step-by-step explanation:

Explain how to estimate 586 - 321 two different ways

Answers

To estimate 586 - 321, you can round the numbers up or down to the nearest five.
586 can either become 570, rounding up, or 585, rounding down, which is closer. 321 becomes 320. It's not close enough to 325, nor to 315, for either of those to be good choices. 570 - 320 = 250 and 585 - 320 = 265. The actual solution to the original problem is 265, so, the second estimate, because they both go down by 1, is the closest.

Raja can read 20 pages in an hour. How many pages can he read each minute? Can you explain this to me with an answer?

Answers

$1 \ h = 60 \ min \n \n(20 \ pages)/(1 \ h)=(20 \ pages)/(60 \ min)=(20)/(60) \ (pages)/(min) =(20 / 20)/(60 / 20) \ (pages)/(min) = (1)/(3) \ (pages)/(min)$

He can read 1/3 of a page each minute.

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