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VikaD [51]
2 years ago
11

Catherine has a 6-sided number cube that is numbered from 1 through 6. She plans on rolling the number cube 60 times. About how

many times should she expect to roll a number that is greater than 4?
Mathematics
2 answers:
PIT_PIT [208]2 years ago
5 0

Answer:

1/3

Step-by-step explanation:

there are 2 numbers you can do and 6 in all. So put 2/6 and get 1/3 because you divided each side by 2

IRINA_888 [86]2 years ago
3 0

Answer:

c

Step-by-step explanation:

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Determine whether each statement is always sometimes or never true explain your reasoning
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19) Always true.

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8 0
1 year ago
Help plz:)))I’ll mark u Brainliest
Anvisha [2.4K]

Answer:

The answer to the question provided is 14.4 ft.

Step-by-step explanation:

We can solve this using proportion!

\frac{18}{x}  =  \frac{10}{8}  \\  \\  \frac{10x}{10}  =  \frac{144}{10}  \\  \\ x = 14.4

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2 years ago
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ale4655 [162]

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6 0
3 years ago
What is the solution to this system of equations?
Ede4ka [16]

Answer:

First choice.

Step-by-step explanation:

You could plug in the choices to see which would make all the 3 equations true.

Let's start with (x=2,y=-6,z=1):

2x+y-z=-3

2(2)+-6-1=-3

4-6-1=-3

-2-1=-3

-3=-3 is true so the first choice satisfies the first equation.

5x-2y+2z=24

5(2)-2(-6)+2(1)=24

10+12+2=24

24=24 is true so the first choice satisfies the second equation.

3x-z=5

3(2)-1=5

6-1=5

5=5 is true so the first choice satisfies the third equation.

We don't have to go any further since we found the solution.

---------Another way.

Multiply the first equation by 2 and add equation 1 and equation 2  together.

2(2x+y-z=-3)

4x+2y-2z=-6 is the first equation multiplied by 2.

5x-2y+2z=24

----------------------Add the equations together:

9x+0+0=18

9x=18

Divide both sides by 9:

x=18/9

x=2

Using the third equation along with x=2 we can find z.

3x-z=5 with x=2:

3(2)-z=5

6-z=5

Add z on both sides:

6=5+z

Subtract 5 on both sides:

1=z

Now using the first equation along with 2x+y-z=-3 with x=2 and z=1:

2(2)+y-1=-3

4+y-1=-3

3+y=-3

Subtract 3 on both sides:

y=-6

So the solution is (x=2,y=-6,z=1).

8 0
3 years ago
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