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4 years ago

Y=−4x−3 y=−2x+1 solve by graphing

Mathematics

2 answers:

riadik2000 [5.3K]4 years ago

7 0

X= -2 and y= 5
Hopefully this helps!

Effectus [21]4 years ago

5 0

Answer: (-2,5)

Step-by-step explanation: just graph both equations they are already set up in the form and find the point where they intersect

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3 years ago

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How many 3/4 cup servings are in a 6 cup container milk?

ExtremeBDS [4]

Answer:

There are 8 3/4-cup servings.

Step-by-step explanation:

What we know:

There is a 6-cup container of milk.

What we don't know:

How many 3/4-cup servings are there?

What we should do:

Divide 6 by 3/4.

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This is the same as 6 times 4/3.

6 * 4/3

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3 years ago

V. Money Magazine reported that the average price of gasoline in the United States during the first quarter of 2008 was $3.46. A

Butoxors [25]

Answer:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

Step-by-step explanation:

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

$X \sim N(3.46,0.15)$

Where $\mu=3.46$ and $\sigma=0.15$

And for this case we want to find the following probability:

$P(3.43 \leq \bar X \leq 3.49)$

And we can use the z score formula given by:

$z=\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

If we find the z score for the limits we got:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

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4 years ago

Y=−4x−3 y=−2x+1 ​solve by graphing

Y=−4x−3 y=−2x+1 solve by graphing