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boyakko [2]
3 years ago
11

A computer randomly selects a number from the given set.

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

Step-by-step explanation:

Given

{ 11 , 2 , 5 , 10 , 25 , 30 , 36}

No of sample space, n(s) = 7

Even numbers = 2 , 10 , 30 ,36

No of favourable cases, n(e) = 4

Now

Probability that an even number will be selected is, P(even) = n (e) / n(s)

= 4/ 7

Hope it will help you :)

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Daniel watches one hour of television for every three hours of homework he does each week. If you did 15 hours of homework last
leva [86]
Hey if you like my answer please give me the brainliest answer :)

Ok so we have a ratio of 1:3 here. (1 is for the hour of tv and 3 is for hours of homework)

3 can go into 15 (hours of homework last week) 5 times. That means we must multiply 3 by 5 to get 15 so that we can fit the ratio to last week. Because we did that, we have to multiply 1 by 5 as well.

1 × 5 = 5 hours of homework!
3 0
3 years ago
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X + 3x + 2x + 3(x + 1) = 30​
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4 0
3 years ago
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Find the measure of each interior angle
diamong [38]
\bf \textit{sum of all interior angles of a polygon}\\\\
180(n-2)\quad 
\begin{cases}
n=\textit{number of sides}\\
---------\\
n=10
\end{cases}\implies 180(10-2)\implies 1440\\\\
-------------------------------\\\\
\begin{array}{lclll}
&x + 5\\&x + 10\\&x + 20\\&x + 30\\&x + 35\\&x + 40\\&x + 60\\&x + 70\\&x + 80\\+&x + 90\\
&----\\
&10x+440
\end{array}\implies 
\begin{array}{llll}
10x+440=1440
\\\\\\
10x=1000
\\\\\\
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\end{array}

so.. to get every angle, simply plug in 10 for "x" for each.
3 0
3 years ago
Plzzz help asapppppp what is the inverse of f if f(x)=^3 sqrt x-5
jasenka [17]

Hello from MrBillDoesMath!

Answer:

The first choice, y = x^3 + 5


Discussion:

Let

y = (x-5) ^ (1/3)

To find the inverse, sway x and y and then solve for y:

x = ( y - 5 )^(1/3)         =>             cube both sides

x^3 = y - 5                  =>             add 5 to both sides

x^3 + 5 = y


So the inverse is  x^3 + 5, which is the first choice


Thank you,

MrB

4 0
3 years ago
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20 POINTS AND WILL GIVE BRAINLIEST IF MORE THAN ONE ANSWER!
pickupchik [31]

Answer:

Step-by-step explanation:

or

Step-by-step explanation:

has:

1) amplitude=|a|

2) phase shift=b

3) period=2pi/c

d) vertical shift=d

--------------------------------------------------

You are given the amplitude is 2. This means a could either be 2 or -2.

You are given phase shift is -1/8. This means b is -1/8.

You are given the period is pi. So we need to solve pi=2pi/c.

pi=2pi/c

Dividing both sides by pi gives:

1=2/c

Multiply both sides by c gives:

c=2

The vertical shift is -2 so d=-2.

The equation could either be:

y=2cos(2(x-(-1/8)))-2

or

y=-2cos(2(x-(-1/8)))-2

Simplifying a little gives:

y=2cos(2x+1/4)-2

y=-2cos(2x+1/4)-2

5 0
3 years ago
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