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Fittoniya [83]
3 years ago
13

50 POINTS: The graph of a system of equations with the same slope will have no solutions. WITH EXPLINATION PLEASE

Mathematics
1 answer:
kati45 [8]3 years ago
8 0
A system of two linear equations can be graphed as two lines.
The solution of the system of equations is a point that is part of both lines.
As a graph, you see two intersecting lines. The only point on both lines is the intersection of the lines. This is the solution of the system of equations.

Now think of two parallel lines. They never intersect. Parallel lines have the same slope. Since there is no point that is part of both lines, there is no solution to the system of equations.
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hodyreva [135]

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Step-by-step explanation:

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X^(2)-2x+7 I need to find Find the vertex and the axis of symmetry.
AleksandrR [38]

Answer:

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Step-by-step explanation:

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2 years ago
The rate of change of revenue (in dollars per calculator) from the sale of x calculators is R′(x)=(x+1)ln(x+1)R ′ (x)=(x+1)ln(x+
jekas [21]

Answer:

Total revenue = \frac{169}{2}\ln(13)-\frac{169}{4}  dollars

Step-by-step explanation:

R'(x)=(x+1)\ln(x+1)

Integrate with respect to x.

R(x)= ∫(x+1)\ln(x+1) dx

Take x+1=u

Differentiate with respect to x

dx=du

So,

R(x)= ∫u\ln(u)\,du

Use integration by parts: ∫f g dx = f∫ g dx-∫(∫g dx)f' dx

Therefore,

R(x)=  \frac{u^2}{2}\ln(u) -  ∫\frac{u^2}{2}\frac{1}{u}\,du

=  \frac{u^2}{2}\ln(u) -  ∫\frac{u}{2}\,du

Put u=x+1

R(x)=   \frac{(x+1)^2}{2}\ln(x+1)-\frac{(x+1)^2}{4}

To find total revenue from the sale of the first 12 calculators, put x=12

R(x)=   \frac{(12+1)^2}{2}\ln(12+1)-\frac{(12+1)^2}{4}\\\\= \frac{(13)^2}{2}\ln(13)-\frac{(13)^2}{4}\\\\=\frac{169}{2}\ln(13)-\frac{169}{4}

Total revenue = \frac{169}{2}\ln(13)-\frac{169}{4}  dollars

4 0
2 years ago
I WILL GIVE BRAINLIEST
sammy [17]

Answer:

Tell whether the following equations represent a linear function.

<em><u>10x + 2y = 4--linear </u></em><em><u>equation✓</u></em>

−x² + 3y = 19--quadratic equation

<em><u>6x + 1/2y = 3--linear </u></em><em><u>equation✓</u></em>

3 0
3 years ago
- QUIZ DUE TODAY -
Elena L [17]

Answer:

Step-by-step explanation:

$19.50

-$15.50=

$4.00

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so 2slices of pizza and 2 sodas is $8

$15.50-$8=$7.50

Now you have 3 slices of pizza left

$7.50/3slices=$2.50

1slice of pizza is $2.50

6 0
3 years ago
Read 2 more answers
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