Solve for y.

Mathematics

1 answer:

Law Incorporation [45]3 years ago

6 0

Answer:

y <1.1

So y equals y < 1.1

Step-by-step explanation:

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Using Substitution solve: y=x+5<br> 4x+y=20

Vladimir [108]

Answer:

Step-by-step explanation:

So first, plugin y to your equation, it should look like this: 4x+x+5+20. Now, we can solve this. Next, we have two x's so we can combine them. The equation will now look like this: 5x+5=20. Now, we have an extra 5 laying around that we need to get rid of, so we can subtract that 5 to both sides of the equation and we get this: 5x-5=20-5 which ends up being 5x=15. Now, we just divide both ides by 5 and since 15 divided by 5 is 3, we get: x=3

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3 years ago

Which of the following is a solution to the equation y=-1/4x+8 and please explain the steps.

aleksklad [387]

I think it’s d .....

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3 years ago

First to answer gets BRAINLEST<br><br> Which graphs show continuous data select all correct answers

solniwko [45]

<h2>Greetings</h2>

Answer:

Graph number 1 and 3

Step-by-step explanation:

This is because continuous data is shown by drawing a line that means the pencil doesn't have to be taken off the page. Seeing as these two graphs are the only two with lines drawn, it means they are graph number 1 and 3.

<h2>Hope this helps!</h2>

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3 years ago

A computer repairman charges $30 to come to a home or office , plus $22 per hour of work.During one week, he visits 15 homes or

timofeeve [1]

31 hours.
first I times $30 by 15, an I got 450, then I got 1132 and took away 450 and I got 682, finally I divide 682 by 22 and got 31

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3 years ago

The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm

S_A_V [24]

Answer:

$P(X$

And we can find this probability using excel or the normal standard tabe and we got:

$P(z$

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 temperatures of a population, and for this case we know the distribution for X is given by:

$X \sim N(123.8,3.1)$