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3 years ago

I do not understand this

Mathematics

1 answer:

Svetlanka [38]3 years ago

3 0

Answer:

The answer is (-1,1).

Step-by-step explanation:

When you are given a graph to find the solution using 2 equations, you have to find the coordinates where they intersect. So the solution will be (-1,1).

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What is the equation of a vertical line passing through (−5, −2)? a: x = −5 b: x = −7 c: y = −3 d: y = −2

drek231 [11]

The answer is

A : x=-5

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3 years ago

Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of

slega [8]

<span>Let r(x,y) = (x, y, 9 - x^2 - y^2)

So, dr/dx x dr/dy = (2x, 2y, 1)

So, integral(S) F * dS
= integral(x in [0,1], y in [0,1]) (xy, y(9 - x^2 - y^2), x(9 - x^2 - y^2)) * (2x, 2y, 1) dy dx
= integral(x in [0,1], y in [0,1]) (2x^2y + 18y^2 - 2x^2y^2 - 2y^4 + 9x - x^3 - xy^2) dy dx
= integral(x in [0,1]) (x^2 + 6 - 2x^2/3 - 2/5 + 9x - x^3 - x/3) dx
= integral(x in [0,1]) (28/5 + x^2/3 + 26x/3 - x^3) dx
= 28/5 + 40/9 - 1/4
= 1763/180 </span>

6 0

3 years ago

Jesse worked forty hours this past week assuming he makes $12 an hour how much was withheld from his paycheck by his employer fo

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He made 12*40=480 dollars in total. 0.0765*480=36.72 dollars were withheld.

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Read 2 more answers

Felix and Megan are going hiking and are trying to figure out how much water

andreev551 [17]

Answer:

Step-by-step explanation:

The amount of water they need to bring depends on how long they will be hiking.

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1 year ago

Use the graph of the parabola to fill in the table.

Temka [501]

Looking at the graph, we can say that:

- It opens downward and has a maximum of 0.

- The axis of symmetry passes through the vertex (the maximum value in this case). So, the x-coordinate of the vertex is 4, and the axis of symmetry is:

$x=4$

- We conclude that the coordinates of the vertex are:

$\text{Vertex }=(4,0)$

- The x-intercepts are defined as those points whose y-coordinate is 0. Similarly, the y-intercepts are those points of x-coordinate equal to 0. Looking at the graph, the vertex itself is the x-intercept, and y = -8 is the y-intercept.

$\begin{gathered} x-intercept\colon4 \\ y-intercept\colon-8 \end{gathered}$

7 0

1 year ago

I do not understand this​

I do not understand this