Will give 50 points!

Mathematics

1 answer:

BaLLatris [955]3 years ago

6 0

The answer would be y=15x

Step-by-step explanation:

if y is equal to 15 times x then y=15x

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What is the percentage decrease of $110 to $96

Anna11 [10]

Don't have a calculator but it's in between 10 and 20 percent

3 0

3 years ago

Please answer this question with reason please

sattari [20]

Answer:

55°

Step-by-step explanation:

In circle with center O, OA and OB are radii and PA and PB are tangents drawn from external point P.

Since, tangent is perpendicular to the radius of the circle.

$\therefore m\angle PAO = m\angle PBO = 90°\\m\angle APB = 70°....(GIVEN) \\$

In quadrilateral PAOB,

$m\angle PAO + m\angle PBO+ m\angle APB \\+m\angle AOB = 360°\\\therefore 90° + 90° + 70° +m\angle AOB = 360°\\\therefore 250° +m\angle AOB = 360°\\\therefore m\angle AOB = 360°- 250°\\\huge \purple {\boxed {\therefore m\angle AOB = 110°}} \\$

Since, angle subtended at the circumference of the circle is half of the angle subtended at the centre of the circle.

$\therefore m\angle ACB = \frac {1}{2} \times m\angle AOB\\\\\therefore m\angle ACB = \frac {1}{2} \times 110°\\\\\huge \orange {\boxed {\therefore m\angle ACB = 55°}}$

6 0

2 years ago

The coordinates of the vertices of quadrilateral ABCD are A(−4, −1) , B(−1, 2) , C(5, 1) , and D(1, −3) .

finlep [7]

Hi there, KawallPotato! :)

Finding the slope of a line is finding the rise over run, or the change in y over the change in x. Let me show you what I mean.

Slope = change in y / change in x

Or in other words, $\frac{y2 - y1}{x2 - x1}$

Let's try it with AB. The first thing to consider is the placement of the letters. The blank space is asking for the slope of point A to point B, which means that the coordinates of A are your y₁ and x₁ values and the coordinates of B are your y₂ and x₂ values.

Put them in the equation like this:

$\frac{2 - (-1)}{-1 - (-4)}$