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pychu [463]
3 years ago
15

I neeeeed heeeeeeeeeeelp​

Mathematics
2 answers:
igomit [66]3 years ago
7 0
The correct answer would be C
xenn [34]3 years ago
3 0
The answer is C for that question
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What is the equation of the quadratic graph with a focus of (3, 6) and a directrix of y = 4? f(x) = one fourth (x − 3)2 + 1 f(x)
mina [271]
 Let point (x, y) be any point on the graph, than the distance between (x, y) and the focus (3, 6) is sqrt((x - 3)^2 + (y - 6)^2) and the distance between (x, y) and the directrix, y = 4 is |y - 4|

Thus sqrt((x - 3)^2 + (y - 6)^2) = |y - 4|
(x - 3)^2 + (y - 6)^2 = (y - 4)^2
x^2 - 6x + 9 + y^2 - 12y + 36 = y^2 - 8y + 16
x^2 - 6x + 29 = -8y + 12y = 4y
(x - 3)^2 + 20 = 4y
y = 1/4(x - 3)^2 + 5

Required answer is f(x) = one fourth (x - 3)^2 + 5
8 0
2 years ago
The Hamilton Brush Company issued 2,500 shares of common stock worth $100,000.00 total. What is the par value of each share?
alexandr1967 [171]
What we know here is that all 2500 shares together are worth 100 000 dollars in total. (it's 100 000.00 actually, but we can ignore the part after the point, as it's equal to 0).

This means that each of the shares is valid the whole sum divided by the number of shares, that is:
\frac{100000}{2500} = \frac{1000}{25} =40
(first i divided both denominator and numerator by 100)
So each value is worth 40 dolars.
4 0
3 years ago
Solve for x.
olga nikolaevna [1]

Step-by-step explanation:

4.6 -.75 =

? \3 \frac{7}{20}

so x <3 7/20

3 0
2 years ago
How do I study for a math test when all I have is my student refrence book/SRB
Oksana_A [137]
You can go to an online website that's about your test.
4 0
2 years ago
Read 2 more answers
-3x - 4y = 4<br> -5.2 +y = 2<br> Is (2, 10) a solution of the system?
Dmitrij [34]

Answer:

No

Step-by-step explanation:

when checking to see if a point satisfies a system of equations

plug in x and y values from your point into the system

(2, 10)

x y

-3(2) - 4(10) = 4. and. -5.2 + 10 = 2

-6-40 = 4. 4.8. = 2

-46 = 4.

invalid statement. invalid statement

therefore the point (2, 10) does not satisfy this system of equations.

6 0
2 years ago
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