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Jlenok [28]
4 years ago
11

Probabilities of compound

Mathematics
1 answer:
Gemiola [76]4 years ago
5 0

Rolling two dice is an example of independent events. It means that knowing the result of one die does not influence what you expect from the other.

When this is the case, the probability of the compound event is the product of the two probabilities.

Each die shows an odd number with probability 3/6=1/2, because there are three odd numbers (1, 3 and 5) out of the six possible numbers the die will show (1, 2, 3, 4, 5, 6).

So, if you multiply the probabilities of each die showing an odd number, you'll get the probability of the compound event.

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Sam has a strip of wood that is 3 4 foot long and 1 6 foot wide. He wants to use the wood to patch a damaged area on his desk. H
MArishka [77]

Answer:

1 / 8

Step-by-step explanation:

I'm assuming that is meant to be 3/4 and 1/6...

Area = Length * Width

A = 3/4 * 1/6

A = 3 / 24

simplify the fraction to get your answer

6 0
3 years ago
Read 2 more answers
The combined weight of 2 identical dice, 5 identical balls and 4 identical marbles was 260 grams. The combined weight of one die
olya-2409 [2.1K]

Answer:

The total weight of one die, one ball, and one marble is 75 grams.

Step-by-step explanation:

Consider the provided information.

Let d represents the number of dice, b represents the number of balls and m represents the number of marbles.

So according to the question.

The combined weight of 2 identical dice, 5 identical balls and 4 identical marbles was 260 grams.

2d+5b+4m=260  ....(1)

The combined weight of one die and one marble was 55 grams.

d+m=55

m=55-d  ....(2)

3 balls weighed the same as two dice.

3b=2d

Multiply both sides by 5 and divide by 3.

5b=\frac{10}{3}d  .....(3)

Now put the value of equation 2 and 3 in equation 1.

2d+\frac{10}{3}d+4(55-d)=260

2d+\frac{10}{3}d+220-4d=260

\frac{6d+10d-12d}{3}=40

4d=120

d=30

Put d=30 in equation 2.

m=55-30

m=25

Put d=30 in equation 3.

5b=\frac{10}{3}\times 30

5b=100

b=20

The total weight (in grams) of one die, one ball, and one marble is:

d+m+b=25+20+30

d+m+b=75

The total weight of one die, one ball, and one marble is 75 grams.

8 0
3 years ago
You will receive $15000 I’m two years when you graduate. You plan to invest this at an annual interest rate of 6.5 percent. How
Crank

You will have $24 824.94 eight years from now.

The formula for the future value (FV) of her investment is

FV =<em>C</em>(1 + <em>r</em>)^<em>n</em>

where <em>C</em> = her initial cash

<em>r</em> = the interest rate

<em>n</em> = the number of years

FV = $15 000(1.065)^8 = $24 824.94

7 0
3 years ago
Could someone help me out for number 5 please?
kifflom [539]

Answer:

she didnt multiply 5 times 12

7 0
3 years ago
Plzzzzz help i'm in desprate need of help with this
Ainat [17]

Answer:

Obtuse

Step-by-step explanation:

Right = has angle measure of 90°

Acute = has angle measure less than 90°

Equilateral = 2 or more angles whose angle measures are congruent to others

Circle = measures 360°

<u>Obtuse = Angle measure greater than 90° and less than 180°</u>

Hope this helps!

5 0
3 years ago
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