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ivanzaharov [21]
3 years ago
8

Miley drove 288 miles in 4 1/2 hours. What was Miley's average speed in miles per hour?

Mathematics
2 answers:
aliya0001 [1]3 years ago
4 0
C. 288 divided by 4.5 is 64
jok3333 [9.3K]3 years ago
3 0
It is C) 64 mph. Brainliest?
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stepan [7]

Step-by-step explanation:

I'm thinking you are showing 2X^5 where 5 is the exponent. if so then it's the 5th degree

7 0
3 years ago
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 47.3 m
Marta_Voda [28]

Answer:

\bar X = \frac{2276}{48}=47.417

If we compare this value with the 47.3 proposed we have the following error

Error = \frac{|Actual-real|}{real}*100 = \frac{|47.417-47.3|}{47.3}*100 =0.247\%

The computed mean is close to the actual mean because the difference between the means is less than 5%.  

Step-by-step explanation:

Assuming the following dataset:

Speed   42-45  46-49  50-53  54-57  58-61

Freq.         21        15        6           4          2

And we are interested in find the mean, since we have grouped data the formula for the mean is given by:

\bar X = \frac{\sum_{i=1}^n x_i f_i}{\sum_{i=1}^n f_i}

And is useful construct a table like this one:

Speed     Freq    Midpoint   Freq*Midpoint

42-45       21            43.5       913.5

46-49       15            47.5        712.5

50-53       6             51.5         309

54-57        4            55.5         222

58-61        2             59.5        119

Total       48                           2276

And the mean is given by:

\bar X = \frac{2276}{48}=47.417

If we compare this value with the 47.3 proposed we have the following error

Error = \frac{|Actual-real|}{real}*100 = \frac{|47.417-47.3|}{47.3}*100 =0.247\%

The computed mean is close to the actual mean because the difference between the means is less than 5%.  

6 0
3 years ago
PLEASE!!! I'LL GIVE YOU MY HOUSE IF YOU CAN ANSWER THIS!!! PLUS BRAINLIEST ANSWER! Y= 1\2x-2. COMPLETE THE ORDERED PAIRS (2,_) (
Reptile [31]

Plug each x-value into the equation to get the y-value:

\frac{1}{2} (2)-2=1-2=-1

(2,-1)

\frac{1}{2} (0)-2=0-2=-2

(0,-2)

8 0
2 years ago
Find the value of x in the triangle.
Pani-rosa [81]

Answer:

x=63°

Step-by-step explanation:

The sum of interior angles of a triangle is always equal to 180°

180-55-62=63

3 0
2 years ago
Read 2 more answers
10-x=-2x what is it ???
aniked [119]

Answer:

x = - 10

Step-by-step explanation:

Given

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2 years ago
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