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Eva8 [605]
3 years ago
5

How can graphing methods be used to solve a system of linear equations? •How can multiple representations of a system be graphed

?
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
You can graph multiple equations in one plot by merely superimposing them. You plot the x values against the corresponding y values. Usually, you are given an equation in this form y=f(x), where f(x) is a polynomial containing a variable of x. You assign arbitrary values of x, to get the y values and plot them together as one data point.

The point at which the graphs intersect each other is the solution of the problem.
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Carlos is mailing packages. Each small package costs him $2.40 to send. Each large package costs him $2.90. How much will it cos
aalyn [17]

Answer:

$11.10

Step-by-step explanation:

1 small package = $2.40

1 large package = $2.90

1 small package + 3 large packages.

2.40 + (3 × 2.90)

=2.40 + 8.70

=11.1

8 0
3 years ago
Read 2 more answers
a ABC company stock dropped from 25 3/8 to 22 1/4 during a one month period of time so how much stock fall during this period of
OLEGan [10]
First, let's convert the mixed fraction into an improper fraction (trust me, mixed fraction are pretty much the worst things to deal with, especially with higher level math):
25 \frac{3}{8} =  \frac{203}{8}
22 \frac{1}{4} =  \frac{89}{4}

Then, to subtract, since you need a common denominator, I would multiply the second fraction by 2 to get:
2 (\frac{89}{4} ) =  \frac{178}{8}

Now that we have a common denominator, we are ready to subtract:
\frac{203}{8} -  \frac{178}{8} =  \frac{25}{8}

Since that's the most simplified form, and you have been asked the question in a mixed fraction form, let's convert that to a mixed fraction. The remainder of the numerator divided by the denominator is 1, and the quotient is 3. The denominator stays the same. So, this is what results:
3 \frac{1}{8}

And that's your answer: 3 \frac{1}{8}

Hope this all makes sense. If anything doesn't, feel free to tell me!

7 0
4 years ago
Find the equation of the line through (-4,-1) and parallel to y = -1/2x +1 in slope-
Alex17521 [72]

Step-by-step explanation:

Let the equation of the line be y = mx + c

since the line is parallel to y = -1/2x + 1, the two lines have the same gradient.

therefore, m = -1/2

sub (-4, -1):

-1 = -1/2(-4) + c

c = -3

therefore equation of the line is y = -1/2x - 3

This question demands knowledge on coordinate geometry's slope intercept form and finding unknowns. If you would like to venture further, you can check out my Instagram page (learntionary). Thanks!

7 0
3 years ago
What is 6 7/9 as an improper fraction? Explain your answer.
miskamm [114]

Answer:

Step-by-step explanation:

6\dfrac{7}{9}=\dfrac{(6*9)+7}{9}=\dfrac{54+7}{9}\\\\\\=\dfrac{61}{9}

4 0
3 years ago
What is the square root of 21
Deffense [45]

The Exact Square Root Is: 4.58257569496

Estimate Is: 5

5 0
3 years ago
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