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Vaselesa [24]
3 years ago
9

Brainliest to right person

Mathematics
1 answer:
atroni [7]3 years ago
7 0

Answer:

4 ÷ 6/9 is also equal to 4 x 9/6. This is because when you divide by a fraction, you change the division sign to multiply and reverse the numerator and the denominator of the fraction. For example, if x/y was a fraction, it would become y/x. THIS IS ONLY DURING DIVISION!

So, we now that 4 ÷ 6/9 is equal to 4 x 9/6. 4 x 9/6 = (4x9)/6 = 36/6 = 6.

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Write the equation of the ellipse with foci at (-2,2) and (4,2) and major axis of length 10 *
Luda [366]

Answer:

The answer to your question is   \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1          

Step-by-step explanation:

Data

Foci  (-2, 2)  (4, 2)

Major axis = 10

Process

1.- Plot the foci to determine if the ellipse is vertical or horizontal. See the picture below.

From the graph we conclude that it is a horizontal ellipse.

2.- Determine the foci axis (distance between the foci)

                  2c = 6

                    c = 6/2

                    c = 3

3.- Determine a

                  2a = 10

                    a = 10/2

                    a = 5

4.- Determine b using the Pythagorean theorem

                   a² = b² + c²

-Solve for b

                   b² = a² - c²

                   b² = 5² - 3²

                   b² = 25 - 9

                   b² = 16

                   b = 4

5.- Find the center (1, 2)  From the graph, it is in the middle of the foci

6.- Find the equation of the ellipse

                      \frac{(x - 1)^{2}}{5^{2}} + \frac{(y - 2)^{2}}{4^{2}} = 1

                       \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1                

3 0
3 years ago
PLEASE HELP!!! A prism and two nets are shown below: Part A: Which is the correct net for the prism? Explain your answer. (2 poi
Flura [38]
Net A is the correct net. 

The surface area of the prism is 72 in squared

SA= 1/2bhH
SA= (0.5)(4)(5)(7.2)
SA= 72 in. squared 
4 0
3 years ago
Consider the function f(x)=−2/3x+5 . What is f(12) ? Enter your answer, as a simplified fraction, in the box.
sladkih [1.3K]

Answer:


Step-by-step explanation:

f(12)=-2/3(12)+5

f(12)=-8+5

f(12)=-3

3 0
3 years ago
Read 2 more answers
Simplify: -3(m – 2) – 7m <br><br> A. -10m + 6 <br> B. -4m + 6 <br> C. 4m – 6 <br> D. 10m + 6
Masja [62]
The correct answer is A
4 0
3 years ago
Read 2 more answers
The base of a square pyramid has a side length of 50 centimeters. The slant height is 32 centimeters. Find the surface area.
patriot [66]
50x32=1600 then u divide it by 2 and get 800
8 0
3 years ago
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