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-BARSIC- [3]
3 years ago
7

Nicole wants to measure the height of a tree. She sights the top of the tree, using a mirror that is lying flat on the ground. T

he mirror is 34ft from the tree, and Nicole is standing 10.6ft from the mirror, as shown in the figure. Her eyes are 6ft above the ground. How tall is the tree? Round your answer to the nearest foot.
Mathematics
1 answer:
Pie3 years ago
4 0

the answer was 34ft+10.6ft+6ft=50.6ft

hope that helps you

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Why can we write zeros after a number when we multiply by 10, 100, or 1000.
allochka39001 [22]

Answer:

IT shows that we are increasing the value of the number. The more zeros at the end of a number that you multiply by, the bigger the number will be.

Examples: 76x100=7600

                  100x100=10,000

However many zeros are behind the number is what you add to the product.

Step-by-step explanation:

3 0
3 years ago
Data accumulated by the National Climatic Data Center shows that the average wind speed in miles per hour for St. Louis,Missouri
Marat540 [252]

Answer:

The  value is  \sigma  =  8.5    

Step-by-step explanation:

From the question we are told that

  The  population mean is  \mu  =  9.7

   The  proportion is  P(X >x) =  0.2245

   The value considered is  x =  11.6

Generally given that the speed measurement is normally distributed we have that

   P(X >  11.6) =  P(\frac{ X - \mu }{ \sigma } >  \frac{11.6 - 9.7}{ \sigma } )  = 0.2245

Generally

   \frac{X - \mu}{ \sigma }  = Z(The  \ z -score \ of \  X )

P(X >  11.6) =  P(Z>  \frac{11.6 - 9.7}{ \sigma } )  = 0.2245

Hence

     \frac{ 11.6 - 9.7}{ \sigma}  =  0.2245

  \sigma  =  8.5      

6 0
3 years ago
Can y’all help it’s a test and the answer choices are<br> A) 6<br> B) 4<br> C) -1<br> D) 1
Vsevolod [243]

Answer:

It's 4 (B)

Reasoning:

When X is equal to its lowest point (1 in this case, but it's usually 0), y is equal to 4

I hope this helps and good luck!

5 0
3 years ago
Please help!!!I’ll mark you as brainliest!!!!
KatRina [158]

Answer:

c, $28

Step-by-step explanation:

30% of 60 is 42

subtract ten and get 32

subtract four and get 28

4 0
3 years ago
Read 2 more answers
Sean Wrona is the fastest typist in the world and can type an average of about 500 words in three minutes. What is Sean’s averag
elixir [45]
Sean's average typing speed is 167 words per minute.
7 0
4 years ago
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