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Softa [21]
3 years ago
8

#22-1: There are 8 sections of the spinner. There are 2 red, 2 green, 2 blue, and 2 yellow sections. the

Mathematics
2 answers:
artcher [175]3 years ago
8 0

Answer:

1/2

Step-by-step explanation:

First count how many sections aren't red or green: 2 yellow + 2 blue

Now we know that the total number of sections is 8.

So out of those 8 sections, 2 yellow + 2 blue aren't red or green.

That is, 4 out of the 8 sections aren't red or green.

This can be expressed as a fraction: 4/8

Now we simplify the fraction by dividing by 4 on the top and bottom: 1/2

lutik1710 [3]3 years ago
7 0

Answer:

1/2

(This is assuming all sectors are congruent)

Step-by-step explanation:

Well the other two colors that aren't red or green is blue and yellow.

There are 2 blues and 2 yellows.

There are 8 sections altogether.

We are asked to find the probability that our spinner will land on blue or yellow so we do (blue+yellow)/all = (2+2)/8=4/8=1/2.

This probability was assuming all sectors were congruent sectors.

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nikklg [1K]

Answer:

\frac{-117}{10}

Step-by-step explanation:

1) Change the mixed fractions into improper fractions:

-3\frac{1}{5} + (-8\frac{1}{2} )\\= \frac{-16}{5} - \frac{17}{2}

2) Multiply the first fraction by 2/2 and the second fraction by 5/5 in order to create common factors on the denominator (You can do this because you are essentially multiplying by one, for example 2/2 = 1):

\frac{-16}{5} *\frac{2}{2}  - \frac{-17}{2} * \frac{5}{5} \\ =\frac{-32}{10} - \frac{85}{10}

3) Simplify the numerator(top part) while keeping the denominator(bottom part) the same:

\frac{-32}{10} -\frac{85}{10}  \\\\=\frac{-32 - 85}{10}\\ \\= \frac{-117}{10}

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Step-by-step explanation:

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