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Leona [35]
3 years ago
7

A six sided number cube is laveled with number from 1 to 6 . If a student tolls the cube 150 times howany times should they expe

ct to roll an even number ?
Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

75 times

Step-by-step explanation:

6 sided die - 1,2,3,4,5,6

3 of these numbers are even

P(even) = 3/6 = 1/2

1/2 * 150 = 75

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Given f(x)=2x+3 find x=9 show your work
Allushta [10]

Answer:

f(9) =21

Step-by-step explanation:

I will assume you want to find f(9) when x=9

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f(9) =21

7 0
3 years ago
You want to go to the skate park, and you have two options:
Tcecarenko [31]

Answer:

See Explanation

Step-by-step explanation:

<u>Define the variables</u>

Let the entry fee be c and the hourly rate be m

Let the number of hours be x and the total amount be y

<u>Work to solve</u>

For Sami's skate

c = 6 and m = 2

For Brad's skate

c =10 and m = 1

<u>The equations</u>

The equation is derived using: y = mx + c

For Sami's skate

y = 2x + 6

For Brad's skate

y = x + 10

<u>When the cost are the same</u>

To do this, we equate both expressions

i.e.

y = y

2x + 6 = x + 10

2x -x = 10 - 6

x = 4

i.e. the cost are the same at the 4th hour

<u>What is the cost</u>

Substitute 4 for x in any of the equations

y = x + 10

y  = 4 + 10

y  = 14

<em>The cost is $14.00</em>

3 0
2 years ago
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yawa3891 [41]
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5 0
3 years ago
Pls help the question is here (12points) DUE TO DAY
scZoUnD [109]

Answer:

\bf Area= 90\;in

Step-by-step explanation:

<u>Area of ABCD = L * W</u>

\bf 6\times 12

\bf 72 \;in^2

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<u>Now, the area of the combind rectangles:-</u>

ABCD + EFGC

\bf 72+18

\boxed{\bf 90\; in}

5 0
2 years ago
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