3 years ago

283838383838382828 + 8383838388828299383838383838288888 = A B C D

Mathematics

1 answer:

Nezavi [6.7K]3 years ago

5 0

Answer:

8.3838384e+33

Step-by-step explanation:

283838383838382828 + 8383838388828299383838383838288888 = 8.3838384e+33

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7 & 8.

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Add then simplify if possible 1/2 + 2/5

ludmilkaskok [199]

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9/10 and it can't be simplified

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3 years ago

Read 2 more answers

What is the least common denominator of the equation 2/9x + 2/3x =7?

Igoryamba

Answer:

B) 9

Step-by-step explanation:

I mean 3 can't be a common denominator because 2/9 cannot be simplified. 27 and 63 are also common denominators but they higher than 9.

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3 years ago

Events A and B are independent. Find the missing probability. Enter your answer as a decimal rounded to two places.

Leya [2.2K]

ANSWER

$P(not \: B) = \frac{1}{4}$

EXPLANATION

If A and B are independent events, then

P(A and B)=P(A)×P(B)

$\frac{3}{10} = \frac{2}{5} \times \: P(B)$

Multiply both sides by;

$\frac{5}{2}$

$\frac{5}{2} \times \frac{3}{10} = \frac{5}{2} \times \frac{2}{5} \times \: P(B)$

$\frac{3}{4} =P(B)$

$P(not \: B) = 1 - P(B)$

$P(not \: B) = 1 - \frac{3}{4}$

$P(not \: B) = \frac{1}{4}$

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3 years ago