Help? A game of chance has a spinner with five equal-sized sections. The results of 625 spins are shown below:

Mathematics

2 answers:

vfiekz [6]3 years ago

6 0

Brown has the closest probabilities to each other and green has the greatest difference

olganol [36]3 years ago

3 0

Answer:the answer is a

Step-by-step explanation:

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Renee made a game board. She colored some of the game squares. What percent of the game square grid is shaded?

Sophie [7]

Answer:

30%

Step-by-step explanation:

There's 100 squares in total, and 30 of the 100 are shaded! 30/100 is .3 and multiplied by 100 gives you the percentage, 30.

7 0

3 years ago

What is the completely simplified equivalent of 2/(5+i)?

Bezzdna [24]

namely, let's rationalize the denominator in the fraction, for which case we'll be using the conjugate of that denominator, so we'll multiply top and bottom by its conjugate.

so the denominator is 5 + i, simply enough, its conjugate is just 5 - i, recall that same/same = 1, thus (5-i)/(5-i) = 1, and any expression multiplied by 1 is just itself, so we're not really changing the fraction per se.

$\bf \cfrac{2}{5+i}\cdot \cfrac{5-i}{5-i}\implies \cfrac{2(5-i)}{\stackrel{\textit{difference of squares}}{(5+i)(5-i)}}\implies \cfrac{2(5-i)}{\stackrel{\textit{recall }i^2=-1}{5^2-i^2}}\implies \cfrac{2(5-i)}{25-(-1)} \\\\\\ \cfrac{2(5-i)}{25+1}\implies \cfrac{2(5-i)}{26}\implies \cfrac{5-i}{13}$