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seraphim [82]
3 years ago
7

The graph of an ellipse is shown. which equation represents this ellipse?

Mathematics
2 answers:
hammer [34]3 years ago
8 0

Answer:

The answer is A

Step-by-step explanation:

The ones that start with y are not the answer because the ellipse is not vertical and option b is wrong because you have to subtract h and k not add them.

Alona [7]3 years ago
7 0

Answer:

correct answer is A

Step-by-step explanation:

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The area of the right triangle shown is 24 square feet.
Stolb23 [73]

Given : A  = 24 sq feet

A = 0.5 base x height

base = x , height = x+2

A = 0.5 x(x+2)  = 24 sq feet

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

To check the rest un-wrap the bracket:

x^2 + (x+2)^2 = 24

x^2 + x^2 + 4 + 4x = 24

2x^2 + 4x - 20 = 0

x^2 + 2x - 10= 0 (NO)

Likewise:

x^2 + (x+2)^2 = 100

x^2 + x^2  +4 + 4x = 100

2x^2 + 4x + 4 = 100

2x^2 + 4x - 96 = 0

3) x^2 + 2x - 48 = 0 (F)

To sum up: that's what apply:

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

3) x^2 + 2x - 48 = 0 (F)

6 0
3 years ago
Read 2 more answers
6.Find the equation of<br> the line:<br> through: (-2, 3) and<br> (1,5)
prohojiy [21]

Answer:

y=2/3x+4.3

Step-by-step explanation:

y=mx+c

(5-3)/(1--2)

2/3= gradient

y=2/3x +c

5=2/3(1)+c

-2/3

4.3=c

6 0
2 years ago
Mrs.Lynch has noted that 7 out of every 10 pieces of mail she gets are junk mail. What percent of her mail is junk?
AlladinOne [14]

Answer:

70%

Step-by-step explanation:

create fraction pieces/whole.

7 0
3 years ago
The length of a rectangle is 4 less than twice the width. The area of the
Zolol [24]

Answer:

Width: 7 Length: 10

Step-by-step explanation:

Width: x

length: 2x-4

Area: 70 meters squared

(2x-4)x=70

2x^2-4x=70

2x^2-4x-70=0

2(x^2-2x-35)=0

(x-7)(x+5)=0

x cannot be negative so x=7

8 0
3 years ago
What is 150% of 60? <br> Select one:<br><br> 90<br><br> 30<br><br> 9<br><br> 40
Keith_Richards [23]

Answer: 90

Step-by-step explanation:

If you do the following:

100% of 60 = 60

50% of 60 = 30

60 + 30 = 90

8 0
2 years ago
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