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Pie
3 years ago
7

Can some one please help me with this

Mathematics
1 answer:
slamgirl [31]3 years ago
3 0

Answer:

I think the answer is B. I hoped I helped a little

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My Notes A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 f
Sergio [31]

Answer:

6.667 ft/s

Step-by-step explanation:

Given

Height of street light = 15ft

Height of man = 6ft

Speed away from pole = 4ft/s

Let x represents the distance between the man and the pole, and Let y represents the distance between the tip of the man's shadow to the pole.

This forms a similar triangle (see attachment below).

From similar triangles, we have

(y - x)/6 = y/15 ----- Solve equation

15(y - x) = 6 * y

15y - 15x = 6y ---- Collect Like Terms

15y - 6y = 15x

9y = 15x --- divide through by 9

y = 15x/9

y = 5x/3 ---- differentiate with respect to time, t

dy/dt = 5/3 dx/dt

dx/dt represents rate of change of distance per time = 4ft/s

while dy/dt represents rate of movement of his shadow tips

dy/dt = 5/3 * 4

dy/dt = 20/3 = 6.667 ft/s

4 0
3 years ago
Read 2 more answers
Which one is proportional? Im a little confused lol
Kobotan [32]
Answer:

y = x + 4





——————-
4 0
2 years ago
The monthly revenue, f(x) for the Sweet Treats Ice Cream truck
irakobra [83]

Answer:

The vertex is (-4, -52), and it represents the minimum for the function.

Step-by-step explanation:

3 0
3 years ago
<5 is a supplementary of <6 , and m<5=78 , find m<6
irakobra [83]

Answer:

m<6 is 102°

Step-by-step explanation:

Angles that are supplementary are equal to a total of 180°.

Subtract the 78 from the 180 to find your answer.

180-78=102

3 0
3 years ago
Can someone Find the AB to this
Akimi4 [234]

Answer:

AB = 12.5

Step-by-step explanation:

BX is an altitude and a median. That means that triangle ABC is isosceles.

AB = CB

<u>AB = 12.5</u>

4 0
3 years ago
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