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MArishka [77]
4 years ago
12

Which is the axis of symmetry of a parabola with equation y^2=-8x?

Mathematics
2 answers:
Montano1993 [528]4 years ago
8 0
The same as the one i just answered y^8=2
goldfiish [28.3K]4 years ago
8 0

Answer:

x = -4

Step-by-step explanation:

Given the equation of the parabola y² = -8x, the axis of symmetry has equation to be x = c

To get the value of x from the equation, we will use the related

x = -b/2a

The equation given can be rewritten as y²+8x = 0

Comparing this with he general form of a quadratic equation

ax²+bx+c = 0

a = 1, b = 8

x = -8/2(1)

x = -8/2

x = -4

The axis of symmetry of the parabola is at x = -4.

Note that the axis of symmetry passes through the vertex of the parabola

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Mrs. Wong has 144 tiles that she is going to place on her square kitchen floor. If the tiles are $3.79 each, how much did Mrs. W
PolarNik [594]

Answer:

Mrs. Wong spend $545.76 on tiles.

Step-by-step explanation:

Mrs. Wong has 144 tiles that she is going to place on her square kitchen floor. If the tiles are $3.79 each, how much did Mrs. Wong spend on tile?

we are given

number of ties=144

cost of one tie=3.79 dollar

we have to find

total cost of 144 ties

for this we will multiply 144 by 3.79

multiplying 144 by 3.79 gives=144*3.79

it other words

one tile cost=$3.79

and for 144 ties cost

multiplying 144 on both sides

144 tiles cost=3.79*144=$545.76

8 0
3 years ago
Read 2 more answers
Asking costs 5 points and then choosing a best answer earns you 3 points!
yKpoI14uk [10]
Thanks this came in handy bc I'm a beginner
4 0
3 years ago
Need answers ASAP
a_sh-v [17]
We know, Volume of a Sphere = 4/3 πr³
v = 4/3 * 3.14 * 18³
v = 4.186 * 5832
v = 24,416.64 cm³

Volume of a Sphere = 4/3 πr³
v = 4/3 * 3.14 * 12³
v = 4.186 * 1728
v = 7234.56 cm³

Difference = 24,416.64 - 7234.56 = 17182.08

In short, Your Answer would be: 17182.08 cm³

Hope this helps!
6 0
3 years ago
5/6 of 15 i need help????????????
emmainna [20.7K]

Answer: 12.5 or 12 1/2

Step-by-step explanation:

7 0
3 years ago
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If a number is positive, then it is a whole number and an integer.
GaryK [48]

Answer:

c then d my man I got you maybe

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2 years ago
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