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Lorico [155]
3 years ago
13

What is the midpoint of the segment of (-12,-3) (5,5)

Mathematics
1 answer:
bezimeni [28]3 years ago
8 0

Answer:

-7/2 , 2/2= 1

Step-by-step explanation:

x1 + x2/ 2 = -7/2

y1 +y2/2 = 2/2= 1

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Find the center, vertices, and foci for the ellipse 25x^2 + 64y^2 = 1600
Alisiya [41]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

Equation               25x² + 64y² = 1600

Process

1.- Divide all the equation by 1600

                             25x²/1600 + 64y²/ 1600 = 1600/1600

-Simplify

                              x²/64 + y²/ 25 = 1

2.- Equation of a horizontal ellipse

                             \frac{x^{2} }{a^{2}} + \frac{y^{2}}{b^{2}} = 1

3.- Find a, b and c

    a² = 64             a = 8

    b² = 25             b = 5

-Calculate c with the Pythagorean theorem

                   a² = b² + c²

-Solve for c

                   c² = a² - b²

-Substitution

                   c² = 8² - 5²

-Simplification

                  c² = 64 - 25

                  c² = 39

-Result

                  c = √13

4.- Find the center

          C = (0, 0)

5.- Find the vertices

          V1 = (-8, 0)     V2 = (8, 0)

6.- Find the foci

          F1 = (-√13, 0)   F2 = (√13, 0)

7 0
3 years ago
How many times greater is the value of the 4 in 640,700 than the value of the 4 in 67,040
Dafna1 [17]
640,700 :- the four in this number is 40,000
67,040 :- the four in this number is 40

Now, we need to find out how many times greater 40,000 is than 40.

40,000/40 = 1000

Answer: It is 1000 times greater. 
6 0
3 years ago
Read 2 more answers
Alexandria,a car dealer,earns 40% commission of her luxury vehicles sales. Last year,her sales were $480,000. What was the total
Oxana [17]

Answer:

$12,000,000

Step-by-step explanation:

To find her commission, create a proportion.

\frac{40}{100}=\frac{480000}{x}

To solve use cross multiplication.

40(x) = 100(480000)

40x = 48000000

x= 12,000,000

3 0
3 years ago
Read 2 more answers
What is the 20th term of the sequence that begins -5,15,-45, 135. ?
larisa [96]
The 20th term in the sequence should be 5811307335.
Hope I didn't mess up for your sake
6 0
3 years ago
A(n)=-6-4(n-1) find the 4th term
egoroff_w [7]

Answer:67738373783

Step-by-step explanation:

3 0
3 years ago
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