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djyliett [7]
4 years ago
9

What are the coordinates of the focus and the equation of the directrix?

Mathematics
1 answer:
g100num [7]4 years ago
8 0
The answer is <span>C. focus: (–4,0); directrix: x = 4
</span>
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What is a good word problem for 5(x+3)=170
Tatiana [17]

think of something and someone I can't really answer this question right now but if you want you can give me 1 star but I hope you get your question answered and <u><em>have a WONDERFUL day</em></u>

8 0
3 years ago
I need help showing steps to solve 36v-12=12
Ad libitum [116K]
36v - 12 = 12 .....add 12 to both sides
36v - 12 + 12 = 12 + 12...simplify
36v = 24...divide both sides by 36
(36/36)v = 24/36
v = 2/3 <===
8 0
3 years ago
Read 2 more answers
What are the solutions to the following system of equations? y=x^2+12x+30 and 8x-y=10
Ierofanga [76]
Note that the 2nd equation can be re-written as y=8x-10.
According to the second equation, y=x^2+12x+30.
Equate these two equations to eliminate y:

8x-10 = x^2+12x+30

Group all terms together on the right side.  To do this, add -8x+10 to both sides.  Then 0 = x^2 +4x +40.  You must now solve this quadratic equation for x, if possible.  I found that this equation has NO REAL SOLUTIONS, so we must conclude that the given system of equations has NO REAL SOLUTIONS.

If you have a graphing calculator, please graph 8x-10  and  x^2+12x+30 on the same screen.  You will see two separate graphs that do NOT intersect.  This is another way in which to see / conclude that there is NO REAL SOLUTION to this system of equations.
6 0
4 years ago
What is 31 3/4· 4 + 18 5/6 · 6
pshichka [43]
So (31 and 3/4) times (4) plus ( 18 and 5/6) times (6)
Remember
P
E
M
D
A
S

so [(31 and 3/4) times * (4)] + [ (18 and 5/6 ) times (6)]
that is [127] + [113]
so is 240

Hope this helps ;)
3 0
3 years ago
Jonathan was given one hundred twenty dollars and thirty six cents by his grandma to purchase toys for his three sisters. Write
Molodets [167]
$136.00 should be split into 3 groups, for the 3 sisters. If you divide 136 dollars by 3, you would get 40. Jonathan should spend 40 dollars on each sister.
7 0
3 years ago
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