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Aneli [31]
2 years ago
7

Solve this 18 ≤ −6x − 30

Mathematics
2 answers:
ElenaW [278]2 years ago
5 0
Answer: x≤ -8

. . . . .
lawyer [7]2 years ago
5 0

Answer:

x \geq -8

Step-by-step explanation:

First I'm going to add 30 to both sides because I hate dealing with negative numbers, ESPECIALLY when it's on the side with x.

48 \leq -6x

Great luck! 48 is a multiple of both 6 and -6 so we will simply divide both sides by positive 6

8 \leq -x

We can NEVER keep x negative in these kinds of problems. GET OUTA HERE.  Let's divide both sides by -1.

-8 \leq x

Your teacher might want you to put the x on the left side. It's very common and important to do so:

x \geq -8

Hope you have a good day and luck in finding good memes!

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Suppose 2' is a normally distributed random variable with ft = 10.3 and 0 = 3.8. For the following probability,draw an appropria
TiliK225 [7]

GIVEN

The following values are given:

\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

z=\frac{x-\mu}{\sigma}

For x = 9:

\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}

For x = 14:

\begin{gathered} z=\frac{14-10.3}{3.8} \\ z=0.97 \end{gathered}

The probability can be calculated as follows:

P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671

The probability is 0.4671.

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Let u = <-3, -5>, v = <-3, 1>. Find u + v. <-2, -8> <-8, -2> <0, -6> <-6, -4>
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Answer:

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Step-by-step explanation:

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That is for example on this problem, you would do

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