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3 years ago

50 points! See attachment

Mathematics

2 answers:

Eduardwww [97]3 years ago

8 0

Question 19.). There is 1 + 1 + 3 + 4 + 3

Quiz Papers = 12

Four Papers with Scores of Six out Twelve

1 Selected:

Probability: 4/12

Answer: Letter Choice, (A), = 1/3

Question 20.). Two papers > 7

1 ===> 8, 1 ===> 9

Probability:

2/12

Answer: Letter Choice (F), 2/12 = 1/6

Hope that helps!!!! : )

seropon [69]3 years ago

5 0

Answer:

my answers came out just like the other persons

for the first one is A = 1/3

for the second one is F = 1/6

~batmans wife dun dun dun...aka ~serenitybella

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3 years ago

144=12x 45 =4x-27 2x-2=14 12x=44-10x does any one kno these questions?

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Hello russell6333!

$\huge \boxed{\mathfrak{Question} \downarrow}$

Solve for x.

144 = 12x
45 = 4x - 27
2x - 2 = 14
12x = 44 - 10x

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

$1) \: \: \: 144 = 12x \\ \frac{144}{12} = x \\ \boxed{ \boxed{ \bf12 = x}}$

__________________

$2) \: \: \: 45 = 4x - 27 \\ 45 + 27 = 4x \\ 72 = 4x \\ \frac{72}{4} = x \\ \boxed{ \boxed { \bf18 = x }}$

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$3) \: \: \: 2x - 2 = 14 \\ 2x = 14 - 2 \\ 2x = 12 \\ x = \frac{12}{2} \\ \boxed{ \boxed{ \bf \: x = 6}}$

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$4) \: \: \: 12x = 44 - 10x \\ 12x + 10x = 44 \\ 22x = 44 \\ x = \frac{44}{22} \\ \boxed{\boxed{ \bf \: x = 2}}$

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To solve questions of these sorts, bring all the terms to one side & simplify it leaving x alone in the other side of the equation (other side of the equal to sign). After simplification you'll get the value of x.
Remember that the signs & operations will change when you bring a term to the other side of the equation.
So, addition will become subtraction, subtraction will become addition, multiplication will become division & division will become multiplication.

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Hope it'll help you!

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