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allsm [11]
3 years ago
12

X + 2y = -6 Solve for y

Mathematics
2 answers:
Rus_ich [418]3 years ago
5 0
Y=-3-x/2 when you move x to the opposite side it turns negative. then divide 2 to all terms.
Vilka [71]3 years ago
3 0
Y= -3-x/2 dhshshshshhshshshshahahhahagagagaga
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What is the equation of the horizontal line that passes through the point (-2, -1)​
diamong [38]

Answer:

y= -1

Step-by-step explanation:

A horizontal line would mean that it has no slope, since the line is not decreasing or increasing. The horizontal line drawn through (0, -1) would pass through (-2, -1), since they share the same y coordinate.

5 0
3 years ago
Evaluate cos 300' without using a calculator,<br> 2<br> O A. 1 /<br> O B. 1<br> о<br> c<br> va
storchak [24]

Answer:

Cos \ 300 = \dfrac{1}{2}

Step-by-step explanation:

  \sf \boxed{Cos \ (2\pi - \theta) = Cos \ \theta}

Cos 300 = Cos ( 360 - 60)

               = Cos 60

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7 0
2 years ago
R
Wittaler [7]

i have no idea what question you need answered

7 0
3 years ago
Read 2 more answers
Assume the random variable X is normally distributed with meanmu equals 50μ=50and standard deviationsigma equals 7σ=7.Compute th
nekit [7.7K]

Answer:

P(35

And we can find this probability with the following difference and using the normal standard table or excel we have:

P(-2.143

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

X \sim N(50,7)  

Where \mu=50 and \sigma=7

We are interested on this probability

P(35

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

If we apply this formula to our probability we got this:

P(35

And we can find this probability with the following difference and using the normal standard table or excel we have:

P(-2.143

6 0
3 years ago
Aisha can walk 9 miles in 2 hours. At this rate, how many miles will she walk during the week if she walks a total of 6 hours?
Nikolay [14]

Answer: Aisha can walk 27 miles during the week if she walks a total of 6 hours.

Step-by-step explanation:

9/2=4.5

4.5*6=27

3 0
3 years ago
Read 2 more answers
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