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seropon [69]
3 years ago
15

Can anyone help with 8.?

Mathematics
1 answer:
ella [17]3 years ago
7 0

Answer:

so that the value of X is 4/5 and y is 11.

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A point P lies on the line with equation y= 4-3X. The point P is a distance √34 from the origin. Find the two possible positions
Oksi-84 [34.3K]

The two possible positions of point P are:

(3, -5) and (0.6, 5.8)

<h3>How to find the two possible positions of point P?</h3>

We know that point P lies on the line:

y = 4 - 3*x

And that the distance between P and the origin is √34, then if the coordinates of point P are (x, y), we have that:

\sqrt{34} = \sqrt{x^2 + y^2}

Now, we can replace "y" in the distance equation by the linear equation, and also remove the square roots:

34 = x^2 + (4 - 3x)^2

Now we can solve the quadratic equation for x:

34 = x^2 + 9x^2 + 16 - 24x\\\\10x^2 - 24x - 18 = 0\\\\

The solutions are:

x = \frac{24 \pm \sqrt{(-24)^2 - 4*10*(-18)} }{2*10} \\\\x = \frac{24 \pm36}{20}

So the two solutions are:

x = (24 + 36)/20 = 3

x = (24 - 36)/20 = -0.6

To get the points, we need to evaluate y on these values:

y = 4 - 3*3 = -5   So we have P = (3, -5)

y = 4 - 3*(-0.6) = 2.2 So we have the point (0.6, 5.8)

There are the two possible positions of point P.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

#SPJ1

5 0
2 years ago
Can someone please help me with this
kvv77 [185]

Answer:no not in amillion years

Step-by-step explanation:hehe nahhhhhhhhhh lll

7 0
3 years ago
In its second year of operation, a local internet provider's profits were $171,500. If this amount was 666% of the company's fir
scoray [572]

The first year profit of the local internet provider was $ 22,389.04.

<h3>What was the profit of a company in its second year of operation?</h3>

According to the statement, we find that the profit of the company in its second year of operation is 666 % greater than its profit in its previous year, that is, the profit in its second year of operation is 7.66 times the profit in its first year of operation. Then, the missing profit is found by using the following arithmetic expression:

x = 171,500 / 7.66

x = 22,389.04

The first year profit of the local internet provider was $ 22,389.04.

To learn more on percentages: brainly.com/question/15308590

#SPJ1

5 0
2 years ago
A) -6/5<br><br> B) -2<br><br> C) -6<br><br> D) 2/3
3241004551 [841]

Answer: the answer is -2


Step-by-step explanation: Reduce the expression, if possible, by cancelling the common factors

Hope this helps! :)

~Zane


5 0
4 years ago
I need help on my math test ....Anybody know the answer
Ksenya-84 [330]

Answer:

l nomas pones 123412345

4 0
3 years ago
Read 2 more answers
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