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bixtya [17]
4 years ago
10

Latasha has a savings account with $20 that earns 1% simple interest per year.how much money will she have in 8 years, to the ne

arest penny?
Mathematics
1 answer:
Anika [276]4 years ago
5 0

Answer:

$21.6

Step-by-step explanation:

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Will give brainliest to right answer please help!! 15 points -A sample of a radioactive isotope had an initial mass of 370 mg
Alex777 [14]

Answer:

78 mg

Step-by-step explanation:

370 mg - 110 mg = 260 mg (amount decayed in the 8 total years)

260 mg ÷ 8 years = 32.5 mg decayed per year

32.5 × 9 years (years between 2008 and 2017) = 292.5 mg

370 mg - 292.5 mg = 77.5 mg, rounded to 78 mg

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3 years ago
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A researcher wishes to conduct a study of the color preferences of new car buyers. suppose that 50% of this population prefers t
djyliett [7]

To solve this question, use the Binomial probability formula.

The formula is given by

^nC_xp^x(1-p)^{n-x}

Where:

n = the number of trials

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p = the probability of success

In this question:

n = 16

x = 9

p = 0.5

Substituting in the equation:

\begin{gathered} ^nC_xp^x(1-p)^{n-x} \\ ^{16}C_9*0.5^9(1-0.5)^{16-9} \\  \end{gathered}

And the combination formula:

^nC_x=\frac{n!}{(n-x)!*x!}

Then:

\begin{gathered} \frac{16!}{(16-9)!*9!}*0.5^9(1-0.5)^{16-9} \\ \frac{16!}{7!*9!}*0.5^9*0.5^7 \\ 11440*0.00195*0.0078 \\ =0.1746 \end{gathered}

Answer: The probability is 0.1746.

6 0
1 year ago
Please help whoever answers this correctly I'll mark your answer brainliest​
djyliett [7]

Answer: The 2nd and 3rd one are correct

Step-by-step explanation:

After reflecting it, the square itself would not change, only the position of the square. Therefore, the same line segments from the beginning which were given would be parallel.

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2(2x+3×-4)+2(4x-6x+8) Cuanto es ?​
nikdorinn [45]
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Answer

65 feet long

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15x5 is 65

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