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uranmaximum [27]
3 years ago
8

a tree casts a 13 foot shadow. the distance from the top of the tree to the far end of the shadow is 22 feet. if the tree is per

fectly straight and creates a right angle with the ground, how tall is the tree?
Mathematics
1 answer:
GenaCL600 [577]3 years ago
7 0
13+B=22
-13. -13
B=9
Answer is 9
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Given y inversely proportional to x and x = 3 for y = 4, what is xify= 12?<br> 01<br> 9<br> 16
kari74 [83]

Answer:

16

Step-by-step explanation:

4 0
2 years ago
I need help. Basically, I need to figure out the dependent and independent value of a function.
Rama09 [41]

Answer:

  • x = log(y/4)/log(1.0256)
  • your answer for y=12 is correct

Step-by-step explanation:

The question is asking you to solve ...

   y = f(x)

for x. (In other words, find the inverse function.)

You already did this using a constant for y. Do the same thing with y instead of the constant.

  y = 4(1.0256^x)

  y/4 = 1.0256^x . . . . . . . divide by 4

  log(y/4) = x·log(1.0256) . . . . . take logs

  log(y/4)/log(1.0256) = x . . . . . divide by the coefficient of x

Now, you have a model for x in terms of y, which is what the question is asking for.

  x = log(y/4)/log(1.0256) . . . . . . . exact expression

When y=12, this is ...

  x = log(12/4)/log(1.0256) ≈ 43.46 . . . . weeks

_____

This is a linear equation in log(y), so can be written as such:

  x = 91.0912·log(y) -54.8424 . . . . . approximate expression

6 0
3 years ago
Easy math not easy for me though help me help me
White raven [17]
The answer is -13
1 would become 1^2
-5 becomes -5x
and -13 stays as it is
7 0
2 years ago
Read 2 more answers
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adelina 88 [10]
I think there are 77 if i can add correctly XD
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2 years ago
Read 2 more answers
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marishachu [46]
Kimberly-28
2x Kimberly( Joe)-28/2=14
Brina-I don’t know:((
It’s either 28/‘33=9.33
Or 28*.33=84.
7 0
3 years ago
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