3 years ago

Which equation has no real solutions?

Mathematics

1 answer:

nydimaria [60]3 years ago

5 0

A has no real solution. See the picture below for details.

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A dozen is 12.
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3 years ago

You can spend at most $21 on fruit. Blueberries cost $4 per pound, and strawberries cost $3 per pound. You need at least 3 pound

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Answer:

<h2>a. The system of linear inequalities is $x + y \geq 3$ and $4x + 3y \leq 21$ .</h2><h2>b. The solution is given in the figure.</h2><h2>c. The given scenario can happen.</h2>

Step-by-step explanation:

Let, I will buy x pounds Blueberries and y pounds Strawberries.

I need to collect at least 3 pounds of fruits.

Hence, $x + y \geq 3$ .

It also given that I can not spend more than $21, that is $4x + 3y \leq 21$ .

If I will buy 4 pound Blueberries and 1 pound Strawberry, then x = 4 and y = 1.

Now, 4 + 1 = 5 > 3. First inequality is satisfied.

$4x + 3y = 4\times4 + 3\times1 = 16 + 3 = 19 \leq 21$ , Second inequality is also satisfied.

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3 years ago

Which line has a slope of 0?<br> O 2y + 8x = 0<br> Oy= -1<br> O x=0<br> O y = x - 1

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Would me first one A because I just in the math and it should be right!

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3 years ago

The results for all 10 grocery surveys were actually generated using a mathematical simulation, found on the Simulation tab of t

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The standard error of the mean is given by:

$\frac{\sigma}{\sqrt[]{n}}$

where sigma is the standard deviation and n is the sample size. In this case the sample size is 10 and the standard deviation is 0.657, then the standard error is:

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Therefore the standard error is $0.208.

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1 year ago