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Savatey [412]
3 years ago
12

Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?

Mathematics
1 answer:
IrinaK [193]3 years ago
5 0
39 over the 999999999
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if the spinner is fair , it will land on green for 60 times , there are 24% chances for the spinner to land on purple ,For 1000 spins it will land 150 times on blue

<h3>What is Probability ?</h3>

Probability can be defined as the study to predict the likelihood of an event.

It has a range from 0 to 1.

Probability if the spinner is fair is 1/5 for each colour.

As it is spun 300 times

(1/5) * 300 = 60 times

So if the spinner is fair , it will land on green for 60 times.

(b) The probability of landing on purple theoretically is 60times , 20 % chances

but it can be seen from the data provided that for 300 spins , the spinner landed for 72 times

which is 24% , i.e. there are 24% chances for the spinner to land on purple.

(c)Theoretically blue has 20% chances 200 times , But it is seen in the data obtained that

for 300 spins the spinner is landing on blue for 45 times.

For 1000 spins it will land 1000*45/300 = 150 times.

To know more about Probability

brainly.com/question/11234923

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Jonah is making a model house. The real house is 22 feet tall. His model is 10 inches tall. What is the foot : inch ratio for hi
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Step-by-step explanation:

22 feet: 10 inches     Reduce.     22/10 = 11/5

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Simplify enter your answer
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Explanation:
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I think it could be number three

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