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bearhunter [10]
3 years ago
5

- 7)(x - 5) = 3" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

x = 4, x = 8

Step-by-step explanation:

Given

(x - 7)(x - 5) = 3 ← expand factors using FOIL

x² - 12x + 35 = 3 ( subtract 3 from both sides )

x² - 12x + 32 = 0 ← in standard form

(x - 4)(x - 8) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x - 8 = 0 ⇒ x = 8

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4 years ago
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boyakko [2]

Answer:

\frac{(x-1)^2}{5^2} -\frac{(y-2)^2}{2^2} =1

Step-by-step explanation:

Here you are require to find the equation of the hyperbola given that the center (h,k), the coordinates of the vertices and those of the co-vertices can be determined from the diagram given

The sharp turning points of the curves give the vertices at (-4,2) and (6,2)

Joining the vertices with a straight line will form the transverse axis with length 2a .

To find the length of the transverse axis 2a will be ; 6--4=10. 2a=10 hence a=10/2 =5

a=5

Find the center of the hyperbola at (h,k) by  finding the intersecting point of the diagonals of the rectangle in the diagram

The center identified will be (h,k) = (1,2)

To find the length of the conjugate axis 2b will be ; the length between points (1,4) and (1,0) which are the coordinates of the co-vertices in the hyperbola. 2b= 4-0=4 , b=4/2 = 2

b=2

The standard equation of the hyperbola with center (h,k) is written as ;

\frac{(x-h)^2}{a^2} -\frac{(y-k)^2}{b^2} =1

where  (h,k) is center of hyperbola, (h±a,k) is coordinate of the vertices and (h,k±b) are coordinates of co-vertices.

Substitute values of a, b, h, and k in equation as

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7 0
3 years ago
What is the fraction for 57%
kaheart [24]

Answer:


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
Does anyone know how to do this ? help
Oduvanchick [21]

The discriminant of ff is given by:

b^2-4ac=24^2-4 (multiply)3(multiply)48=576-576=0

2

−4ac=24

2

−4⋅3⋅48=576−576=0.

How many real number zeros does ff have?

Since the discriminant of ff is \green{0}0, ff has 11 distinct real number zero. Therefore, the graph of ff touches the xx-axis once. The graph of ff is shown below

Step-by-step explanation:


7 0
3 years ago
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