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In-s [12.5K]
3 years ago
13

In a probability experiment, Craig rolled a six-sided die 64 times. The die landed on a number greater than three 39 times. What

is the ratio of rolls greater than three to rolls less than or equal to three?
A.


B.


C.


D.
Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0

Answer:

The ratio is 34/22, or in simplest form, 17/11.

Step-by-step explanation:

We write the ratio with the number of rolls greater than three on top and the number of rolls less than or equal to 3 on bottom:

34/(56-34)

We have to subtract 34 from 56 to find out how many rolls were less than or equal to 3.

34/22

Both are divisible by 2, so we have 17/11.

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Evaluate. Express your answer in exact simplest form.
kumpel [21]

Answer:

6720

Step-by-step explanation:

The writing 8P5 represents the number of permutations of 8 elements  taken 5 at a time.

<u></u>

<u>First Method</u> :

8P5 = 8 × 7 × 6 × 5 × 4

       = 6720

<u>Second Method</u> :

8P5=\frac{8!}{\left( 8-5\right)!}

=\frac{8!}{ 3!}

=\frac{8 \times 7 \times 6 \times 5 \times 4 \times 3!}{ 3!}

= 8 \times 7 \times 6 \times 5 \times 4

= 6720

6 0
2 years ago
ERROR ANALYSIS Describe and correct the error in
valkas [14]

Answer:

The graph should be stretched rather than become narrower.

Step-by-step explanation:

To figure this out, just create some example points.

At x = 0, your y-value will always be 0. But if you were to plug in the value 1, you would get a y-value of 1 in y=x^2, but a value of 0.5 in y=0.5x^2. If you were to plug in a value of 2, you would get a value of 4 in y=x^2, but a value of 2 in y=0.5x^2.

If you continue this pattern for a few more points, then plot them, you will see that adding a coefficient of 0.5 simply stretches the graph

3 0
2 years ago
The sail on a boat is triangular and its area is 216 feet. If the length of the base of the sail is 18 feet, find its
finlep [7]

Answer:

24

Step-by-step explanation:

Use the triangle area formula: A=1/2 (base)(height)

Plug in what we know: 216=1/2(18)(h)

Solve for h: (1/2)(18)=9.

216/9=24.

So, h=24

To check, plug it into the formula: 1/2(18)(24)= 216

7 0
3 years ago
What quadrilateral always has 4 congruent angles and opposite sides that are congruent and parellel
Nata [24]
I’m pretty sure it’s a Rectangle or square
5 0
3 years ago
I need help with this please
umka21 [38]

Answer:

-2

Step-by-step explanation:

substitute:

(10 + 6)÷4(-2)

= 16÷-8

-2

8 0
2 years ago
Read 2 more answers
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