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Anastaziya [24]
3 years ago
14

two students together have 27 nuts. if one of them had 3 times more, while the other 7 times more they would have 117 nuts. how

much did each have?​
Mathematics
1 answer:
lisov135 [29]3 years ago
4 0
40 because if you are bruno you eat bronze
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A man made reservoir is filled in 15 days by 4 piples,if 4 pipes are used ,how long will it take to fill the reservoir
Delicious77 [7]
it would obviously take 15 days if this answers your question
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3 years ago
If you decided to build a ramp using the 1:16 slope - ratio requirement , what would be the length of the diagonal portion of th
oee [108]
I spent a lil time on it but I’ll let you know in a lil but if I have the answer:)
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3 years ago
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If line a is perpendicular to line b and the slope of line a is 7 whats the slope of line b
amm1812

Answer:

If a line is perpendicular to another line, that means that the slope is completely opposite that of the original line.  The first thing that we do to the slope is we negate the number which means that if we have a slope of -7 our slope because 7 in this step.  In our case our slope is 7 so in this step it becomes -7.

Moving onto the second part which is to get the reciprocal of the number which means that if we have \frac{1}{2} then we would switch it to 2.  In our case our number is -7 so we would make that into a fraction like this -\frac{1}{7}.

In conclusion, our final slope of the perpendicular line is -\frac{1}{7}.

<u><em>Hope this helps!  Let me know if you have any questions</em></u>

8 0
2 years ago
Read 2 more answers
-1/3+(-3/5)=
Illusion [34]
\frac{-1}{3} + \frac{-3}{5}
You need to use the equation for adding fractions, which is \frac{a}{b} + \frac{c}{d} =(ad+bc)/bd

In this case,  a=-1, b=3, c=-3, d=5. 

&#10; \frac{(-1*5)+(3*-3)}{(3*5)}

simplify

answer: \frac{-14}{15}
3 0
3 years ago
Read 2 more answers
Manny Brought a brand new car in 2012 for $28750. if the car depreciates by 12% each year, write n exponential function to model
alexira [117]
The formula for exponential decay is 
y=a(1-r)^{x}

where  a is the initial value (28750)
r is the rate of decrease (0.12)
x is the time, in this case in years (6 .  2018-2012 = 6 years)

y=28750(1-0.12)^{6}

<span>y </span>≈ <span>13351.62</span>
8 0
3 years ago
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