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Lena [83]
2 years ago
6

Suppose y varies directly with x and y=-25 when x=5. find y when x=3

Mathematics
1 answer:
zmey [24]2 years ago
7 0
Let y= -5(x) so that if x =5; y = -5(5) = -25; Therefore let x =3; y = -5(3) = -15
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DIA [1.3K]

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3 0
3 years ago
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In the xy -coordinate plane, the coordinates of point s are (-2,-6), and coordinates of point T are (18,9). Point Q lies on line
ira [324]

Answer:

(6,0)

Step-by-step explanation:

The coordinates of the points dividing the line segment in ratio m:n can be calculated as:

(\frac{mx_{2}+nx_{1}}{m+n} ,\frac{my_{2}+ny_{1}}{m+n} )

Here x1, y1 are the coordinates of first point S (-2, -6) and x2, y2 are the coordinates of second point T(18, 9).

In this case m will be 2 and n will be 3 as the ratio is 2:3

Using all these values we can find the coordinates of point Q

( \frac{2(18)+3(-2)}{2+3},\frac{2(9)+3(-6)}{2+3} )\\\\ = (\frac{30}{5} ,\frac{0}{5} )\\\\ =(6,0)

Thus, the coordinates of point Q which divides the line segment ST in ratio of 2:3 are (6,0)

5 0
3 years ago
In the diagram below, angle 7 equals 61°.<br><br><br><br> What is the measure of angle 8?
V125BC [204]

Answer:

119

Step-by-step explanation:

So angle 6 equals angle 7 vertically opp angles. So 61 times 2 is 122. Total angles around a point is 360. So 360 - 122 is 238 which divided by 2 will give 119 cause angle 8 equals angle 5.

7 0
3 years ago
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DENIUS [597]
The answer is 2^a+b lol
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3 years ago
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317.832

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The exact answer is being written as a decimal. The rounded is answer will be 318. I hope this answers your question.
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3 years ago
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