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2 years ago

10

Let segments AB, BC, and CA be tangent to circle G. If AB=52, BF=20, and CD=21, calculate the perimeter of triangle ABC. The ans

wer is one of the following 93, 146, or 186.

1 answer:

scoray [572]2 years ago

6 0

Pls. see attachment.

The perimeter of the triangle is 146.

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A girl wants to count the steps of a moving escalator which is going up. If she is going up on it, she counts 60 steps. If she i

Kaylis [27]

Let's V the speed of the girl in step
v the speed of the escalator in step
L the length between ground and floor.

V*60+v*60=L ==> V+v=L/60
V*90-v*90=L ==> V-v=L/90
2V=L(3+2)/180
==>V=5L/360
Time to climb (in step) with v=0 (escalator standing still)
V*t=L==> t=L/V=L/(L*5/360)=72

The girl will count 72 steps.

8 0

3 years ago

Read 2 more answers

If someone would help me that would be amazing

olchik [2.2K]

Given:
(x₁,y₁) = (-2,4)
(x₂,y₂) = (0,2)

Determine the slope of the function
m = (y₂ - y₁) / (x₂ - x₁)
m = (2 - 4) / (0 + 2)
m = -2/2
m = -1

Determine the equation
y - y₁ = m(x - x₁)
y - 4 = -1(x - (-2))
y - 4 = -1 (x + 2)
y - 4 = -x - 2
y = -x - 2 + 4
y = -x + 2
f(x) = -x + 2

The correct answer is first option

5 0

3 years ago

3,5,8,12....... state the rule in the sequence

amm1812

2n + 1

the number before n is the difference (what it goes up in), and the second is the ‘zeroth’ term: you take away the 2 you got from the first value, 3, and get 1 :)

8 0

3 years ago

I AM IN DESPERATE NEeD OF QUICK HELP PLEASEEEEEEEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!!!

ANEK [815]

The area is the area of the rectangle minus the semicircle.

The radius is 8 mm, and the length of the rectangle is 16 mm, the diameter.

$8 \times 16 - \frac{3.14 \times {8}^{2} }{2} \\ = 27.52$

27.52 mm²

4 0

2 years ago

Read 2 more answers

Phoenix [80]

Answer:

Vertical asymptote: x=2

Horizontal asymptote: y=5

Step-by-step explanation:

Hi there!

The parent function for a rational function has a horizontal asymptote at y=0 and a vertical asymptote at x=0.

First, we want to perform long division on 5x/x-2. Please check the image attached.

The result is $5+\displaystyle\frac{10}{x-2}$ .

Here are the transformations of a rational function:

$f(x)=\displaystyle\frac{a}{b(x-h)}+k$

a = vertical stretch

b = horizontal stretch

h = horizontal translation

k = vertical translation

Stretches don't change the location of the asymptotes, only the translations do.

According to $5+\displaystyle\frac{10}{x-2}$ , we applied a horizontal translation of 2 units right and a vertical translation of 5 units up. Therefore, our asymptotes are now x=2 and y=5.

I hope this helps!

6 0

2 years ago