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4 years ago

12

Solution in geometry

1 answer:

Mrrafil [7]4 years ago

7 0

SAS stands for Side-Angle-Side congruence/similarity theorem

HL is Hypotenuse-Leg congruence/similarity theorem.

What's the question? lol

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27. Find a polar equation of the conic with focus at the pole that has the given eccentricity and equation of directrix.

ololo11 [35]

The polar equation will be $r=\dfrac{4}{1+cos\theta}$

<h3> What is the polar equation?</h3>

A polar equation is any equation that expresses the relationship between r and theta, where r is the distance between the pole (origin) and a point on a curve, and theta is the counterclockwise angle formed by a point on a curve, the pole, and the positive x-axis.

From the equation, we are told that

The Eccentricity: e = 1

The Directrix is y = 4

Generally, the polar equation for e = 1 and y = + c is mathematically represented as

$r =\dfrac{e\times c}{1+ecos\theta}$

$r =\dfrac{1\times 4}{1+1\times cos\theta}$

$r=\dfrac{4}{1+cos\theta}$

Therefore the polar equation will be $r=\dfrac{4}{1+cos\theta}$

To know more about the polar equation follow

brainly.com/question/9363127

#SPJ1

4 0

2 years ago

Lisa's father is paying for a $20 meal. He has a 15% off coupon for the meal.

lozanna [386]

$18.19................. hope it’s right!

6 0

3 years ago

PLS HELP ASAP ILL GIVE BRAINLKEST PLS THANKS ASAP PLS

lidiya [134]

Answer:

the answer is th second one

8 0

2 years ago

Read 2 more answers

The table shows the height of a softball that Hallie threw in the air. Is the relationship shown linear? Why or why not?

andrew11 [14]

Answer:

Not a linear relationship

Step-by-step explanation:

Given

The attached table

Required

Linear or not

To do this, we simply calculate the slope of the table at different intervals.

Slope (m) is calculated as:

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Let:

$(x_1,y_1) = (0,0)$

$(x_2,y_2) = (0.5,7.2)$

So, the slope is:

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{7.2 - 0}{0.5-0}$

$m = \frac{7.2}{0.5}$

$m = 14.4$

Let:

Let:

$(x_1,y_1) = (1,10.7)$

$(x_2,y_2) = (2,12.2)$

So, the slope is:

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{12.2 - 10.7}{2 - 1}$

$m = \frac{1.5}{1}$

$m = 1.5\\$

See that the calculated slopes are not equal.

Hence, it is not linear

3 0

3 years ago

Malika's school is selling 100 raffle-tickets to raise money for a new gymnasium. The

Hatshy [7]

Answer:

Certain

Step-by-step explanation:

If she buys all of them, no one else has a chance because there is no other tickets

6 0

2 years ago