Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now?
1 answer:
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Answer:
x = 24
Step-by-step explanation:
The formula for determining the sum of interior angles is:
Therefore to determine an equation for x, we must add up all the interior angle equations and set them equal to 720.
The equation and answer above shows how to find x, which equals 24.
Answer:
Step-by-step explanation:
Number of red balls = 4
Number of green balls = 6
Total number of balls = 6+4 =10
Probability of drawing a green marble is given as
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The ball is replaced after drawing.
Probability of drawing a green ball a second time will be:
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Thus, probability of drawing 2 green balls with replacement can be given as:
⇒ (Probability of drawing a green marble) (Probability of drawing a green ball a second time)
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Simplifying fraction by dividing numerator and denominator by their GCF.
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⇒ (Answer)