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Zinaida [17]
2 years ago
12

Please help me!!!! I have been stuck on this question for like a half an hour now.

Mathematics
2 answers:
ArbitrLikvidat [17]2 years ago
8 0
It should be A.

You can simplify by taking out the GCF for each term which is 3. So divide each term by 3, which leaves you with

3(3x^2+7x+2)

Simplify & factor and you get
3(3x+1)(x+2)
Grace [21]2 years ago
5 0
3x^2+21x+6=3(3x^2+7x+2)=3(3x^2+6x+x+2)=3[3x(x+2)+(x+2)]=3(3x+1)(x+2)
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Find the equation of the ellipse with the following properties. The ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8)
sesenic [268]
Hi, thank you for posting your question here at Brainly.

The general equation of a horizontal ellipse is

(x-h)2/a2 + (y-k)2/b2 = 1, at center (h,k) while a = semi-major axis, b = semi-minor axis. These are related through the distance of the focus from the center,c. a2 = b2 + c2.

If you draw the points on a coordinate plane, the center of the ellipse is at (0,0), so h and k equals 0. Then, the minor axis (2b) spans from 8 to -8 of the y-axis. This is equal to 16 units. Hence,

2b = 16
b = 8
b^2 = 64

The distance between the two foci is 2c. Thus,

2c = 12
c = 6
c^2 = 36

Then, a2 = 64 + 36 = 100. Substituting to the general equation:

x^2/100 + y^2/64 = 1
8 0
3 years ago
PLEASE HELP
V125BC [204]
Multiplication :))
it’s the order of operations!
8 0
2 years ago
3x+y/c = 4 solve for y
nlexa [21]

Answer:

Thanks for the points lol

Step-by-step explanation:

7 0
2 years ago
Val rented a bicycle while she was on vacation she paid a flat rental fee of $55.00 plus $8.50 each day the total cost was $123
artcher [175]

Answer:

55+8.5x=123

Step-by-step explanation:

The 55 represents the flat fee, the 8.5 represents the daily charge, x represents the number of days she rented it for, and 123 is the total amount

3 0
3 years ago
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Will the sum of 56+ (-56) be Positive negative or zero
spin [16.1K]

Answer:

zero

Step-by-step explanation:

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