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3 years ago

A laundry basket has 24 t-shirts in it. Four are navy,

Mathematics

1 answer:

Shtirlitz [24]3 years ago

4 0

Answer:

The probability is of selecting a green shirt is 8

Step-by-step explanation:

24 - 4 = 20

20 - 12 = 8

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Solve In 2x + In 2=0

irakobra [83]

Solving $ln(2x)+ln(2)=0$ we get, $x=\frac{1}{4}$

Step-by-step explanation:

We need to solve: $ln(2x)+ln(2)=0$

Solving:

$ln(2x)+ln(2)=0$

Adding -ln(2) on both sides:

$ln(2x)+ln(2)-ln(2)=0-ln(2)$

$ln(2x)=-ln(2)$

Using logarithmic rule: if $log_a b =c\,\,then\,\, b=a^c$

So,

$2x=e^{-ln(2)}$

Simplifying:

$2x=(e^{ln(2)})^{-1}\\e^{ln(2)}=2\\2x=(2)^{-1}\\2x=\frac{1}{2} \\x=\frac{1}{2x2}\\x=\frac{1}{4}$

So, Solving $ln(2x)+ln(2)=0$ we get, $x=\frac{1}{4}$

Keywords: Logarithms

Learn more about Logarithms at:

#learnwithBrainly

4 0

4 years ago

a total of 1500 raffle tickets were collected during the school fair. if you have 30 raffle tickets, what is the probability tha

hammer [34]

Answer: 1/50 or 0.02

Step-by-step explanation:

30 / 1500 = 1/50

1/50 or 0.02

3 0

3 years ago

he half-life for a link on a social network website is 2.6 hours. Write an exponential function T that gives the percentage of

pychu [463]

Answer:

% Remaining $= [1-(1/2)^{\frac{t}{2.6}}]x100$

And replacing the value t =5.5 hours we got:

% Remaining $= [1-(1/2)^{\frac{5.5}{2.6}}]x100 =76.922\%$

Step-by-step explanation:

Previous concepts

The half-life is defined "as the amount of time it takes a given quantity to decrease to half of its initial value. The term is most commonly used in relation to atoms undergoing radioactive decay, but can be used to describe other types of decay, whether exponential or not".

Solution to the problem

The half life model is given by the following expression:

$A(t) = A_o (1/2)^{\frac{t}{h}}$