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eduard
3 years ago
7

Find the equation of the ellipse with the following properties.

Mathematics
1 answer:
zalisa [80]3 years ago
6 0
Equation of an ellipse:

(x-h)²/a² + (y-k)²/b² = 1
Since it passes through the origin (0,0) , then h = k = 0 hence the equation:
(x-0)²/a² + (y-0)²/b² = 1
x²/a² + y²/b² = 1

2a = major axis = 2.|5| + |-5| = 10. then a = 5 and a² = 25
2b = minor axis = 2.|3| + |-3| = 6. then b = 3 and b² = 9

Then the final equation is:
x²/25 + y²/9 = 1

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Idently the graph of f(x) = 3(x - 1) - 4. Then identity the vertex and ads of symmetry find the minimum value of and describe wh
Vesna [10]

Answer:

See below

Step-by-step explanation:

I assume you mean f(x) = 3(x-1)^2-4

The equation is already in vertex form f(x)=a(x-h)^2+k where a affects how "fat" or "skinny" the parabola is and (h,k) is the vertex. Therefore, the vertex is (h,k)\rightarrow(1,-4).

The axis of symmetry is a line where the parabola is cut into two congruent halves. This is defined as x=h for a parabola with a vertical axis. Hence, the axis of symmetry is x=1.

The minimum value is the smallest value in the range of the function. In the case of a parabola, the y-coordinate of the vertex is the minimum value. Therefore, the minimum value is y=-4.

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The interval where the function is increasing is (1,\infty)

8 0
2 years ago
Between 10 a.M. And 11 a.M., 48 people came into Brad's store. 40 of them made a purchase. What is the experimental probability
irina [24]

Answer: The required probability is \dfrac{5}{6}

Step-by-step explanation:

Since we have given that

Number of people came into Brad's store = 48

Number of them made a purchase = 40

So, the experimental probability that the next person to come into the store will make a purchase would be

\dfrac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\\\\=\dfrac{40}{48}\\\\=\dfrac{5}{6}

Hence, the required probability is \dfrac{5}{6}

4 0
3 years ago
Does anyone know the Answer for this
Klio2033 [76]
Y= -6, hope this helps
8 0
3 years ago
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Help picture below problem 11
juin [17]

Answer:

Missing Angle = 26⁰ ( corresponding angles )

7 0
2 years ago
Find the value <br> If a=4 b=7, and c=-5<br> 3c
Luda [366]

Answer:

=-15

Step-by-step explanation:

3c

3(-5)

3×-5

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8 0
3 years ago
Read 2 more answers
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