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2 years ago

Please help me solve each question! Make sure to show work so I can earn full credit.

Mathematics

2 answers:

omeli [17]2 years ago

8 0

(1)

$5x-5\geq10\,\,\mbox{or}\,\,-3x+1>13\\5x\geq15\,\,\mbox{or}\,\,-3x>12\\x\geq3\,\,\mbox{or}\,\,x$

(2)

$5x + 3\leq18 \,\,\mbox{and}\,\,4 - x < 6\\5x\leq15 \,\,\mbox{and}\,\,- x < 2\\x\leq3 \,\,\mbox{and}\,\,x > 2\\2$

IgorC [24]2 years ago

5 0

Answer:

1. x < -4 or x ≥ 3

2. -2 < x ≤ 3<em> </em>

Step-by-step explanation:

1. 5x - 5 ≥ 10

5x ≥ 15

x ≥ 3

-3x + 1 > 13

-3x > 12

x < -4

Solution is x < -4 or x ≥ 3

2. 5x + 3 ≤ 18

5x ≤ 15

x ≤ 3

4 - x < 6

-x < 2

x > - 2

answer is -2 < x ≤ 3

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Step-by-step explanation:

you add the numerators which is the top number in order to get 2 and 2/3rds

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Step-by-step explanation:

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3 years ago

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Answer:

a) P(three tails) = $\frac{1}{8}$

b) P(two tails followed by one head) = $\frac{1}{8}$

Step-by-step explanation:

coin is tossed three times so, outcome is

HHH, TTT, HTH, THH, HHT, THT, TTH, HTT.

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