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2 years ago

13

Translating Algebraic Expressions 12 times a x plus 4?

2 answers:

AlexFokin [52]2 years ago

5 0

Answer:

12x+4=0

Step-by-step explanation:

just translate what is written and don't forget to write (=0)

Semmy [17]2 years ago

4 0

12x +4=0

If you are finding x
12x =-4
x=-4/12
x=-1/3

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Answer:

$(a)\ P(x = 0) = 0.2725$

$(b)\ P(x \ge 1) =0.7275$

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Step-by-step explanation:

Given

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$p = 15\%$ --- proportion that one-time fling

This question is an illustration of binomial probability, and it is represented as:

$P(X = x) = ^nC_x* p^x * (1 - p)^{n-x}$

Solving (a): P(x = 0) --- None has done one time fling

$P(x = 0) = ^8C_0* (15\%)^0 * (1 - 15\%)^{8-0}$

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Solving (b): $P(x \ge 1)$

To do this, we make use of compliment rule:

$P(x = 0) + P(x \ge 1) =1$

Rewrite as:

$P(x \ge 1) =1 - P(x = 0)$

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Solving (c): $P(x\le 2)$ --- Not more than 2 has one time fling

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$P(x\le 2) = P(x = 0) + P(x =1) + P(x = 2)$

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$P(x = 0) = 0.2725$

$P(x = 1) = ^8C_1* (15\%)^1 * (1 - 15\%)^{8-1}$

$P(x = 1) = 8* (0.15) * (1 - 0.15)^7$

$P(x = 1) = 0.3847$

$P(x = 2) = ^8C_2* (15\%)^2 * (1 - 15\%)^{8-2}$

$P(x = 2) = 28* (0.15)^2 * (1-0.15)^6$

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So:

$P(x\le 2) = P(x = 0) + P(x =1) + P(x = 2)$

$P(x \le 2) = 0.2725 + 0.3847 + 0.2376$

$P(x \le 2) = 0.8948$

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yaroslaw [1]

Answer: I think -131

Step-by-step explanation:

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2 years ago

Read 2 more answers