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2 years ago

19) A six-sided die is rolled six times. What is

Mathematics

1 answer:

aleksley [76]2 years ago

4 0

Answer:

Step-by-step explanation:

Probability that the die will show an even number

in one rolling is 3/6=0,5 = p

We have formula for repeating rolling

n!/(r!(n-r)!) p^r (1-p)^(n-r)

n = how many times we repeat rolling = 6

r = how many times we want something to happen

(show an even number exactly two times) = 2

15 *(0,5)^2 *(0,5)^4 = 0,234375

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A cleaner recommends mixing 1 1/2 cup of cleaner for every 12 cups of water. What is the ratio of cleaner to water.

Anna007 [38]

Answer: $\frac{1}{8}$ or $1:8$

Step-by-step explanation:

First, you can convert the mixed number $1\ \frac{1}{2}$ into a decimal number. To do this, you need to divide the numerator (which is 1) by the denominator (which is 2) of the fraction:

$\frac{1}{2}=0.5$

Now you must add 0.5 to the whole number part. Then:

$1+0.5=1.5$

In order to find the ratio of cleaner to water, you must divide 1.5 cups of cleaner by 12 cups of water.

Therefore, the ratio is:

$ratio=\frac{1.5}{12}=\frac{1}{8}$ or $1:8$

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3 years ago

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Marina86 [1]

16 because if you multiple 16*16 it would give you 256

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3 years ago

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Does anyone know the answer???

Fiesta28 [93]

Answer:

-2

Step-by-step explanation:

41 - 8m - 57 = 0

41- 8m = 57

-8m = 57-41

-8m = 16

m = -16/8

m = -2

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3 years ago

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I need help with this math equation 3(2x + 6)

My name is Ann [436]

Answer:

6+18 pls give brainlest

Step-by-step explanation:

How to solve your problem

3(2+6)

Simplify

Distribute

3(2+6)

6+18

Solution

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3 years ago

A square poster has a side length of 26 in. Drawn on the poster are four identical triangles. Each triangle has a base of 8 in.

Firdavs [7]

To find the probability of landing on a triangle, you will want find the combined areas of the triangles and the total area of the square target.

Divide the area of the combined areas and the total area to find the probability of landing on a triangle.

A = 1/2bh
1/2 x 8 x 8
A = 32 square inches
32 x 4
128 square inches (areas of triangles)

A = bh
26 x 26
A = 676 square inches

128/676 = 0.189

There is an approximate probability of 0.19 of hitting a triangle.

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3 years ago

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