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kvv77 [185]
3 years ago
7

Find the point on the parabola y^2 = 8x at which the ordinate is double the abscissa.​

Mathematics
1 answer:
aliya0001 [1]3 years ago
3 0

Answer:

Step-by-step explanation:

Let's make a complex of functions

y^2 = 8x

y = 2x

Now let's solve it

(2x)^2 = 8x

4x^2 - 8x = 0

4x(x - 2) = 0

x = 0, 2

y = 0, 4

So the answer is (2, 4)

Hope you like it, study well

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Please help 22 points
disa [49]

Answer:

8/15

Step-by-step explanation:

4/5 x 2/3 = 8/15

or

4/5 x 2/3 = 0.5333

hope this helps ^w^

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Divide £500 in a ratio of 3:7 ? pleaseee help
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A dartboard consists of a circle inscribed in a square. The area of the circle is 16π square centimeters. The area of the square
lapo4ka [179]

The solution would be like this for this specific problem:

 

Area of Circle = 16(π)

= 16 * 3.14

= 50.24


Area of Square = 64

= 64 – 50.24

= 13.76

 

Area of Square but not on the circular board = 13.76 / 64

= 0.215

Percentage value = 0.215 * 100%

= 21.5%

So, <span>to the nearest percent, the probability that the dart lands inside the square but not on the circular dartboard is 21.5%.</span>

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A balloon attached to an atmospheric data-gathering device must be at least 1000 m high to begin recording information. Two spot
maks197457 [2]

The angle of elevation that the instruments have to record to be at the correct height is given as 79°

<h3>How to solve for the angle of elevation</h3>

We have 2x + 70 = 180

We have to find the value of x

2x = 110

x = 55

y/sin x = 225/sin70

This is the use of sine rule

From here we would have

y = 225(sinx/sin70)

Remember x = 55

y =  225(sin55/sin70)

y = 196.1378

tanθ = 1000/y

tan θ = 1000/196.1378

tanθ = 5.098

θ = tan⁻¹5.098

= 78.90°

Hence the conclusion is that the angle of elevation has to be 78.9 degrees for it to be at the correct height.

Read more on the angle of elevation  here:

brainly.com/question/88158

#SPJ1

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