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blagie [28]
3 years ago
10

HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION RQ!!

Mathematics
2 answers:
marta [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Alborosie3 years ago
3 0

Answer:

A is the asnwer because 50percent is too much and anything above 50 is worng so answer is 41percent

Step-by-step explanation:

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Rewrite as y−k=a(x−h)2 or x−h=a(y−k)2. Find the vertex, focus, and directrix.<br> y−3=(2−x)^2
Talja [164]

Given:

The given equation is

y-3=(2-x)^2

To find:

The vertex, focus, and directrix.

Solution:

The equation of a parabola is

y-k=a(x-h)^2     ...(i)

where, (h,k) is vertex, \left(h,k+\dfrac{1}{4a}\right) and directrix is y=k-\dfrac{1}{4a}

We have,

y-3=(2-x)^2

It can be written as

y-3=(-(x-2))^2

y-3=(x-2)^2    ...(ii)

On comparing (i) and (ii), we get

h=2,k=3,a=1

Vertex of the parabola is (2,3).

Focus=\left(2,3+\dfrac{1}{4(1)}\right)

Focus=\left(2,3+\dfrac{1}{4}\right)

Focus=\left(2,\dfrac{13}{4}\right)

Therefore, the focus of the parabola is \left(2,\dfrac{13}{4}\right).

Directrix of the parabola is

y=3-\dfrac{1}{4(1)}

y=3-\dfrac{1}{4}

y=\dfrac{11}{4}

Therefore, the directrix of the parabola is y=\dfrac{11}{4}.

4 0
3 years ago
Please help me soon thxs
Marizza181 [45]

Answer: Vertical angles

Step-by-step explanation:

7 0
3 years ago
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Please please i need help i will mark u brill
zvonat [6]

Answer:

106 - 8h = 34

Whenever a math question says "when <em>h </em>= 9," they mean you substitute this number where <em>h </em>is in the equation.

106 - 8(9) = 34

106 - 72 = 34

34 = 34

This means the fact that h = 9 <u>is a solution for h.</u>

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3 years ago
You use a $100 gas card to pay for gas at $2 per gallon. You have y dollars left in your card after you fill x gallons of gas to
Aneli [31]

Answer:

y= -2x +100

Step-by-step explanation:

6 0
4 years ago
Simple help please. Just find the area of the triangle thx
kramer

Answer:

<h2>A=H   b                                                                                                                                                                  .          -                                                                                                                                                       .          2       is this right </h2>

Step-by-step explanation:

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3 years ago
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