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Valentin [98]
3 years ago
7

A tree casts a shadow x = 100 ft long when a vertical rod 6.0 ft high casts a shadow 4.0 ft long. (See the illustration.) How ta

ll is the tree? (Round your answer using the rules for working with measurements.)
Mathematics
1 answer:
rewona [7]3 years ago
8 0
I'm not really sure If I would be much help but I'll try best k? (cries a little) So you do 100
          + 6.0 
          + 4.0
_________________
          11 .0 

So your answer is 11.0 for the tall tree.

                       
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I NEED HELP PLEASE, THANKS! :)
KIM [24]

Answer:  tan(14x)

<u>Step-by-step explanation:</u>

Consider the Sum Formula for tan:

tan(A + B)=\dfrac{tan(A)+tan(B)}{1-tan(A)(tan(B)}\\\\\\tan(9x+5x)=\dfrac{tan(9x)+tan(5x)}{1-tan(9x)(tan(5x)}\\\\\\\large\boxed{tan(14x)}=\dfrac{tan(9x)+tan(5x)}{1-tan(9x)(tan(5x)}

3 0
3 years ago
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28. Higher Order Thinking What is the<br> least multiple 6 and 8 have in common?<br> Explain.
lisov135 [29]

Answer:

24

Step-by-step explanation:

I think you ask about LCM

6- 2×3

8- 2×2×2

lcm = 2×2×2×3 = 24

7 0
3 years ago
Solve: z-5=75<br><br> A:z=71<br> B:z=80<br> C:z=70<br> D:z=79
poizon [28]

B: z=80___________________________________

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To complete a task in 15 days, a company has 4 people each working 8 hours a day. The company
Klio2033 [76]

Answer:

Let's suppose that each person works at an hourly rate R.

Then if 4 people working 8 hours per day, a total of 15 days to complete the task, we can write this as:

4*R*(15*8 hours) = 1 task.

Whit this we can find the value of R.

R = 1 task/(4*15*8 h) = (1/480) task/hour.

a) Now suppose that we have 5 workers, and each one of them works 6 hours per day for a total of D days to complete the task, then we have the equation:

5*( (1/480) task/hour)*(D*6 hours) = 1 task.

We only need to isolate D, that is the number of days that will take the 5 workers to complete the task:

D = (1 task)/(5*6h*1/480 task/hour) = (1 task)/(30/480 taks) = 480/30 = 16

D = 16

Then the 5 workers working 6 hours per day, need 16 days to complete the job.

b) The assumption is that all workers work at the same rate R. If this was not the case (and each one worked at a different rate) we couldn't find the rate at which each worker completes the task (because we had not enough information), and then we would be incapable of completing the question.

4 0
3 years ago
Simplify: -6( 5 /3 x + 4)
yaroslaw [1]

Answer:

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Step-by-step explanation:

-6(\frac{5}{3}x+4)

-6*\frac{5}{3}x+-6*4

-10x-24

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