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Sonbull [250]
3 years ago
6

If y= x+9 ______3-xfind the value of y when x=5​

Mathematics
1 answer:
Artemon [7]3 years ago
8 0

Answer:

-28

Step-by-step explanation:

y/3-x = x+9

x=5

=>y/3-5=5+9

=>y/-2=14

=>y = - 28

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The volume of a cube is 460cm3.<br> Work out the length of its side rounded to 1 DP.
yaroslaw [1]
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An airplane covers 94 miles in 6 of an hour.<br> The plane can cover<br> miles in 6 hours.
Mekhanik [1.2K]

Answer:

in 6 hours it will be 3384

7 0
3 years ago
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1) How many seconds are in three days?
Natasha_Volkova [10]

Answer:

259200 seconds

The conversion factor from days to seconds is 86400, which means that 1 day is equal to 86400 seconds:

1 d = 86400 s

To convert 3 days into seconds we have to multiply 3 by the conversion factor in order to get the time amount from days to seconds. We can also form a simple proportion to calculate the result:

1 d → 86400 s

3 d → T(s)

Solve the above proportion to obtain the time T in seconds:

T(s) = 3 d × 86400 s

T(s) = 259200 s

The final result is:

3 d → 259200 s

We conclude that 3 days is equivalent to 259200 seconds:

3 days = 259200 seconds

<em><u>Hope this helps :)</u></em>

7 0
3 years ago
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If you wanted to predict the value of the y variable when the x variable is 15, you would be _____ the data.
Natalija [7]
Extrapolation is the process by which a value is estimated by using a previously known set of numbers. Interpolation is where a value is estimated between two known values. In this case, if you wanted to predict the value of the y-variable when the x-variable is 15, you would be extrapolating beyond the known data-set. 
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3 years ago
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