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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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Lkm is equilateral. Solve for x if angle k=9x+24
Marta_Voda [28]

Answer:

x = 4

Step-by-step explanation:

Given that the triangle is equilateral then the measure of each angle is 60°

Equate 9x + 24 to 60 and solve for x

9x + 24 = 60 ( subtract 24 from each side )

9x = 36 ( divide both sides by 9 )

x = 4

7 0
2 years ago
What is the answer for <br> - 4= 5+f
AnnyKZ [126]

Answer:

Step-by-step explanation:

-4 = 5 + f....we want to isolate f, so subtract 5 from both sides

-4 - 5 = 5 - 5 + f

-9 = f <===

4 0
3 years ago
Will and John sell lemonade at a lemonade stand. After an hour, they have taken in $4 for a total of 8 cups of lemonade. What is
Murljashka [212]

Answer:

The answer is A - $0.50 per cup

Step-by-step explanation:

If you divide the $4 by the 8 cups you get $0.50

5 0
3 years ago
3. For the function, :c(X)=x^2+4x-5 over x+5<br> (a) Identify the restricted domain value(s).
Mrrafil [7]
Domain is all the possible inputs of an equation. In this example, the only concern is the x + 5 because the denominator cannot equal 0 because we can't divided by 0. So we set x + 5 equal to zero and solve for x.

x + 5 = 0
x = -5
The restriction is that x cannot equal -5.
8 0
3 years ago
Based on a 4-week work month and a 40-hour
Leni [432]

Answer:

$27.69

Step-by-step explanation:

Given

Monthly budget (See attachment)

Month = 4\ weeks

Week = 40 \ hour

Required

Determine the closest hourly wage

From the attachment, the monthly budget is:

Budget = \$ 4430

First, we calculate the closest weekly earnings.

Since a month = 4 weeks.

Then

Weekly\ Earnings = \frac{\$4430}{4}

Weekly\ Earnings = \$1107.5

Next, we calculate the hourly earnings:

Since 1 week = 40 hour

Then

Hourly\ Earnings = \frac{\$1107.5}{40}

Hourly\ Earnings = \$27.6875

<em>From the list of options, the closest is: $27.69</em>

4 0
3 years ago
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