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luda_lava [24]
3 years ago
11

1 2.5n + 3.5p = 825.5

Mathematics
1 answer:
ch4aika [34]3 years ago
7 0

Answer:

read explanation

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

n = 330.2 − 1.4p

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To conduct an experiment, researches randomly select six students from a class of 20. How many different groups of six students
enot [183]

Answer:

3.33

Step-by-step explanation:

20 divided by 6 equals 3.33333333333

Round that you get 3.33

8 0
2 years ago
PLZ HELP!!!
likoan [24]

Answer:

The rental fee is 25

Step-by-step explanation:

Total cost = rental fee plus cost per hours * number hours

t = f + 8*h  where t = total cost, f = rental fee, h = hours

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Subtract 48 from each side

73 - 48 = f+48-48

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The rental fee is 25

6 0
3 years ago
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 5 ft long with a diameter of 1.8 ft .
dangina [55]
\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter=1.8\\
r=\frac{1.8}{2}=0.9\\
h=5
\end{cases}\implies V=\pi \cdot 0.9^2\cdot 5\\\\
-------------------------------\\\\
\textit{is draining at }\boxed{2.1}\ \frac{ft^3}{min}\textit{ , it has a total of }\boxed{\pi \cdot 0.9^2\cdot 5} \ ft^3
\\\\\\
\textit{it'll take }\cfrac{\pi \cdot 0.9^2\cdot 5}{2.1}\ minutes
3 0
3 years ago
James Works in a flower shop. He will put 36 tulips in vases for a wedding. He must use the same number of tulips in each vase.H
soldi70 [24.7K]

Answer:

1,2,3,4,6,9,12,18,36

Step-by-step explanation:

5 0
3 years ago
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Semenov [28]
The first thing to note is since one gallon= 60 miles then 1/2 gallon= 30 miles, now I know 1/2 is not an answer but it is easiest to decrease in moderate amounts. 1/2 gallon= 48 Km so we are close, and 1/2=0.5 so if we brought it down to 0.42 we would have 25.2 miles and 25.2 miles = 40.32. The question wants to know the approximate number and 40.32 is the closest we are going to get so the answer is 0.42
6 0
3 years ago
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