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ddd [48]
3 years ago
9

A pump adds 5 gallons to a storage pond every 2 minutes. How many minutes will it take to pump 20 gallons into the pond?

Mathematics
1 answer:
Bumek [7]3 years ago
7 0
8 min=20 gal
50min= 125gal

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Stanley Bank offers a money market account that earns 1.85% compounded continuously: a) If $10,000 is invested in this type of a
Alexxx [7]

Answer:

a) $1056.33 b) 23 years

Step-by-step explanation:

a) 10000(1+1.85/100)^3=10565.33 (2d.p.)

b) let x be the no. of years

15000 = 10000(1+1.85/100)^x

1.5 = 1.0185^x

ln both sides

ln 1.5 = x ln 1.0185

x = ln 1.5/ln 1.0185

=22.11

=23 years (rounded up)

5 0
3 years ago
Answer number one asap this is not a joke so please not random cmts thx will report if u do!
STALIN [3.7K]
1. The area of one face of the bar is
.. face area = (50 mm)*(90 mm) = 4500 mm^2
The area of two sides of the bar is
.. side area = (50 mm +90 mm)*(3.5 mm) = 490 mm^2

Together, those areas cover half the bar, so the total paper required is
.. 2*(4500 mm^2 +490 mm^2) = 9980 mm^2 . . . . . . 3rd selection

2. The length of the central rectangle is
.. 8 ft + 6 ft + 10 ft = 24 ft
Its width is 7 ft, so its area is
.. Arect = (7 ft)*(24 ft) = 168 ft^2

Each of the two triangles has a base of 8 ft and a height of 6 ft, so together, they have an area of
.. Atriangles = (8 ft)*(6 ft) = 48 ft^2

Then the total area of the prism is
.. Atotal = Arect +Atriangles
.. = (168 ft^2) +(48 ft^2)
.. = 216 ft^2
8 0
3 years ago
If f={(0,2),(2,6),(3,5),(4,9)} what is f^(-1)(9)
tangare [24]

Answer is 9 f-^1

I hope this correct :D

7 0
3 years ago
7x - 4 = 24<br> show your work
Debora [2.8K]
Move -4 to the other side
7x=24+4
7x=28
x=4
4 0
3 years ago
Read 2 more answers
Angel paints three rooms with two gallons of paint. How many rooms can he paint with fifteen gallons of paint?​
Vanyuwa [196]

Answer:

22 rooms

Step-by-step explanation:

If two gallons of paint covers 3 rooms then you need to divide 15 gallons of paint by 2 gallons of paint = 7.5 gallons of paint. then you need to multiply 7.5 gallons of paint by 3 rooms = 22.5..... so that means you can paint 22 full rooms.

6 0
3 years ago
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