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2 years ago

12

Please help and show work

1 answer:

valina [46]2 years ago

8 0

Answer:

13

Step-by-step explanation:

(4/3) + 11 + (8/12)

PEMDAS

Using the steps of Pemdas you will get the answers of 13

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Please help and good night

lana66690 [7]

Answer:

(7) n = ⁴/₃

(8) x = -5

(9) d = ³/₂

(10) v = -20

Step-by-step explanation:

(7) $n-\frac{8}{9} = \frac{4}{9}$

$n-\frac{8}{9} = \frac{4}{9} \\\\Collect \ similar \ terms \ together\\\\n = \frac{4}{9} + \frac{8}{9} \\\\n = \frac{4+8}{9} \\\\n = \frac{12}{9} \\\\n = \frac{4}{3}$

(8)

$\frac{3}{2} + \ x = -\frac{7}{2}\\\\collect \ similar \ terms \ together\\\\x = -\frac{7}{2} -\frac{3}{2} \\\\x = \frac{-7-3}{2} \\\\x = \frac{-10}{2} \\\\x = -5$

(9)

$\frac{6}{5} = \frac{d}{(\frac{5}{4} )} \\\\cross \ and \ multiply\\\\5d = 6(\frac{5}{4} )\\\\5d = \frac{30}{4} \\\\d = \frac{30}{4\times 5} \\\\d = \frac{30}{20} \\\\d = \frac{3}{2} \\\\d = 1\frac{1}{2}$

(10)

$-\frac{1}{8} v = \frac{5}{2} \\\\\frac{-v}{8} = \frac{5}{2} \\\\cross \ and \ multiply\\\\-2v = 40\\\\-v = \frac{40}{2} \\\\-v = 20\\\\v = -20$

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If a fair coin is flipped 140 times, how many times would you predict that the coin lands on heads?

Alenkasestr [34]

Answer:

70 times

Step-by-step explanation:

There is always a 50-50 chance on which side the coin can land, so on average, the coin lands 70 times on tales, and 70 times on heads.

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Step-by-step explanation:

No hate but it literally tells you the answer by the picture.

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Its a 25% chance you choose the correct answer

Also 1/4 odds

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I don't know what you said

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