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notsponge [240]

3 years ago

10

Jeremiah has a bag with 5 red marbles 8 yellow marbles 4 blue marbles and 3 green marbles what is the probability as a percent t

hat he will not pick a green marble

1 answer:

kykrilka [37]3 years ago

7 0

Answer:

85%

Step-by-step explanation:

P(not green) = 17/20 which equals 85%

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When a third of a number is subtracted from a half of the same number, 60 is the result. Find the number

AURORKA [14]

the answer is 360 because if you take a third you will have 120 then if you take half of that then you get 60

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3 years ago

TEA [102]

I would go with C because if you do A then its all new students and thats one view D is the same. C seems like the best choice.

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3 years ago

Log(x⁴+3x³) - log(X + 3 ) + log2 - log6 = 2logx . find the value of x

AfilCa [17]

The given equation is

$\begin{gathered} \log (x^4+3x^3)-\log (x+3)+\log 2-\log 6=2\log x \\ \log (\frac{x^4+3x^{3^{}}}{x+3})+\log \frac{2}{6}=\log x^2 \\ \log \frac{x^3(x+3)}{x+3}+\log \frac{1}{3}=\log x^2 \\ \log x^3+\log \frac{1}{3}=\log x^2 \\ \log \frac{x^3}{3}=\log x^2 \\ \frac{x^3}{3}=x^2 \\ x^3-3x^2=0 \\ x^2(x-3)=0 \end{gathered}$

hence

$x=0\text{ or x=3}$

But x cannot be zero so x=3

So the value of x is 3

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1 year ago

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Romashka-Z-Leto [24]

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2 years ago

A group of students planned to chip in to raise a total of $100 for one of their friends’ birthday party but 5 persons couldn’t

lilavasa [31]

Answer:

$5

Step-by-step explanation:

Let the number of students be x, then

<u>Initial amount per student was:</u>

100/x

<u>After it becomes:</u>

100/(x - 5)

<u>Since amount increased after, it can be shown as:</u>

100/x + 1 = 100/(x - 5)

<u>Multiply each term by x(x - 5) to get rid of the fraction:</u>

100(x-5) + x(x - 5) = 100x
100x - 500 + x² - 5x - 100x = 0
x² - 5x - 500 = 0

<u>Positive solution of this quadratic equation is </u>

x = 25

<u>Amount each person paid after:</u>

$100 / (25 - 5) = $5

8 0

3 years ago