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2 years ago

Problem If you roll two fair six-sided dice, what is the probability that the dice show the same number?

1 answer:

8 0

Lets say yu are trying to roll a 4 on both of the dice the probability for both is 1/6 so multiply 1/6 × 1/6 and you get 1/36
so the probability for rolling the same number on each dice is 1/36
hope this helps!

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An object is spinning around a circle at a rate of 420 revolutions per minute. If the circle has a diameter of 8 feet, what is i

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

This seems more like a physics questions, but i'll help you :P

the circle is 8 feet across or a radius of 4 feet

circumference of the circle is 2 $\pi$ r = 25.132741 feet

it's going around 420 times a minute

420 * 25.132741 = 10555.75132 feet per minute

10,555.75

7 0

2 years ago

The diameter of a circle is 15 ft. Find its circumference in terms

Luda [366]

Answer:

C≈47.25

Step-by-step explanation:

Use the formula C= πd, where C is circumference, π is pi, and d is diameter.

Input the numbers and we'll shorten π to 3.15

C=3.15(15)

C≈47.25

5 0

1 year ago

Read 2 more answers

PLEASE HELP WILL GIVE 1ST RIGHT ANSWER AS BRAINIEST

Ne4ueva [31]

Answer:

26π

Step-by-step explanation:

Hmm... This one is a little hard to understand because of the LaTeX.

Any way, way back to the question. A useful piece of information:

The formula for finding the circumference of a circle is 2πr or π · d :

We first need to find out what x is.

Since 2 times the radius is the diameter, we can set up our equation like this:

2(x + 6) = 3x + 5

Solving gives:

2x + 12 = 3x + 5.

We subtract 2x from both sides:

+12 = x + 5

Subtract 5:

So x = 7.

Now we can plug-and-chug:

7 + 6 = 13 times 2pi (this is the radius)

21 + 5 = 26 times pi.

Check:

When we check 13 (radius) times 2 should equal the diameter(26)

13 * 2 = 26.

So we are correct. The answer 26π is correct.

8 0

2 years ago

Read 2 more answers

Write an equation of the line that passes through the given points. question (-4, 3), (O, -10)

expeople1 [14]

Answer:

$Y=(\frac{4}{7}) x+2$

Step-by-step explanation:

$Y=mx+b$

$M=\frac{x2-x1}{y2-y1}$

$M=\frac{0-(-4)}{-10-3}$

$M=\frac{-4}{-7}$

$Y=(\frac{4}{7}) x+2$

3 0

2 years ago

What value of q make the equation true 20/q 7/9

maria [59]

20/q = 7/9
20×9 = 7q
7q = 180
q = 180/7

5 0

2 years ago