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3 years ago

Hi. I also need help with this question as well.

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

4 0

Answer:

Step-by-step explanation:

The diagram shows four points through which the line of proportional relationship should pass. One of these points has coordinates (8,28).

The line representing proportional relationship is always straight line passing through the origin and has the equation

$y=kx,$

where k is the coefficient of proportionality.

Substitute coordinates of known point into the equation:

$28=k\cdot 8\\ \\k=\dfrac{28}{8}=\dfrac{7}{2}=3.5,$

so the coefficient of proportionality is equal to $3.5.$

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Paul [167]

Answer:

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Step-by-step explanation:

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3 years ago

2,8 -4,-4 what is the slope

emmasim [6.3K]

Answer:

For (2, 8) the slope is 2

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Step-by-step explanation:

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3 years ago

The radius of a circle is (7x+3)cm. Write an expression to represent the area of the circle in simplified form

zepelin [54]

Answer:

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3 years ago

Point T(-9,5) lies on the perpendicular bisector of UV. If the

Flura [38]

The coordinate of point V is at (-16, 9)

If Point T(-9,5) lies on the perpendicular bisector of UV, this means that the point divides the line UV into two equal parts

Given the following coordinates

Midpoint T = (-9, 5)

U = (-2, 1)

Required

coordinate of point V

Using the midpoint formulas;

$T(x, y) = (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}) \\T(-9, 5) = (\frac{-2+x_2}{2}, \frac{1+y_2}{2})$

Get the value if x₂ and y₂

$-9 = \frac{-2+x_2}{2}\\-18 = -2+x_2\\x_2 = -18+2\\x_2 = -16\\$

Similarly;

$5 = \frac{1+y_2}{2}\\10 = 1+y_2\\y_2 = 10-1\\y_2 = 9\\$

Hence the coordinate of point V is at (-16, 9)

Learn more here: brainly.com/question/18049211

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3 years ago