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Svetlanka [38]
3 years ago
14

URGENT WILL GIVE BRAINLIEST ANSWER

Mathematics
2 answers:
Fynjy0 [20]3 years ago
3 0
The major axis is 4 units long andyhe vertices are 4 units to the left/right.
Liula [17]3 years ago
3 0

ANSWER

C, D, and E

<u>EXPLANATION</u>

The given ellipse has been translated therefore the center is no longer at the origin.

Option A is not correct.

The major axis is the horizontal axis. Its length is 8 units.

Option B is also not correct.

The vertices are where the major horizontal axis intersected the ellipse. They are indeed 4 units to the right and left of the center.

Option C is correct.

The foci can be found using

{a}^{2}  -  {b}^{2}  =  {c}^{2}

a=4 is the distance from the center to the vertex and b=2 is the distance from the center to the co-vertex.

{4}^{2}  -  {2}^{2}  =  {c}^{2}

16 - 4 =  {c}^{2}

12 = {c}^{2}

c =   \pm \sqrt{12}

c =   \pm 2\sqrt{3}

Option D is also correct.

The directrices are parallel to the semi-minor axis therefore they are vertical lines.

Option E is also correct.

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Andrews [41]
The answer is -6. Thought there is a chance I am wrong. Need an explanation?
6 0
3 years ago
A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
nalin [4]

Answer:

$519

Step-by-step explanation:

Given the amount of profit made expressed as y=-2x^2+105x-859

At maximum profit, dy/dx = 0

dy/dx = -4x + 105

0 = -4x + 105

4x = 105

x = 105/4

x = 26.25

Substitute into the original function

y=-2x^2+105x-859

y=-2(26.25)^2+105(26.25)-859

y = - 1,378.125+2,756.25-859

y = 519.125

Hence the maximum amount of profit the company can make is $519

8 0
3 years ago
What is 25m+100-24m-75=68<br> Please explain
Mars2501 [29]

Let's solve your equation step-by-step.

25m+100−24m−75=68

Step 1: Simplify both sides of the equation.

25m+100−24m−75=68

25m+100+−24m+−75=68

(25m+−24m)+(100+−75)=68(Combine Like Terms)

m+25=68

m+25=68

Step 2: Subtract 25 from both sides.

m+25−25=68−25

m=43

Answer:

m=43

8 0
3 years ago
What is the solution of the equation 11 – 4x = 5? round your answer to the nearest ten-thousandth?
OLga [1]
11-4x=5
4x=6
x=6/4=1.5000
5 0
3 years ago
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Alina [70]
Standard form: Ax+By=C
first put in slope-intercept form:
slope = (0+5)/(6-3) = 5/3
pick point D: 0 = 5/3(6)+b -> b= -10
slope-intercept form: y=(5/3)x-10
multiply both sides by 3:
3y=5x-30
put in standard form:
5x-3y=30
8 0
3 years ago
Read 2 more answers
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