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2 years ago

If the probability of receiving a message on the internet today is 8/9, what is the probability of not receiving a message?

Mathematics

1 answer:

PIT_PIT [208]2 years ago

6 0

Answer:

The probability is 1/9

Step-by-step explanation:

1 - 8/9 = 1/9

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64 is a perfect square that provides 8 rows , and each contains 8 seats, this is the first perfect square after 50

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IB/AP Mathematice: Logorithms

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1. 5^2 = 25
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3 years ago

in 2014 the attendance at jefferson schools fall festival was 650 in 2015 the attendance was 575 what was the percent change

Gnoma [55]

There was 11.54% decrease in attendance.

Step-by-step explanation:

Attendance in 2014 = Old value = 650

Attendance in 2015 = New value = 575

Change = New value - Old value

Change = 575 - 650 = -75

The negative sign indicates a decrease in attendance.

Decrease percentage = $\frac{Change}{Old\ value}*100$

$Decrease\ percent=\frac{75}{650}*100\\\\Decrease\ percent=\frac{7500}{650}\\\\Decrease\ percent=11.538\%$

Rounding off to nearest hundredth

Decrease percent = 11.54%

There was 11.54% decrease in attendance.

Keywords: percentage, subtraction

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2 years ago

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Suppose there are two circles where the radius of one circle is twice the radius of the other circle. Each circle has an arc whe

Artemon [7]

Answer:

$L=2l$ where $l,L$ denote arc lengths of two circles

Step-by-step explanation:

Let $l,L$ denote arc lengths of two circles, $r,R$ denote corresponding radii and

$\alpha _1\,,\alpha _2$ denote the corresponding central angles.

So,

$l=r\alpha _1$ and $L=R\alpha _2$

This implies $\alpha _1=\frac{l}{r}$ and $\alpha _2=\frac{L}{R}$

As each circle has an arc where the measures of the corresponding central angles are the same, $\alpha _1=\alpha _2$

$\frac{l}{r}=\frac{L}{R}$

As radius of one circle is twice the radius of the other circle,

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$\frac{l}{r}=\frac{L}{2r}\\\frac{l}{1} =\frac{L}{2}\\L=2l$

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2 years ago

How should 13,079 be written in in expanded form

Thepotemich [5.8K]

Answer:

10,000 + 3,000 + 70 + 9

Step-by-step explanation:

It will be 10,000 + 3,000 + 70 + 9

That is how expanded form works.

Hope it helps :)

If you have any questions ask me.

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