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Korvikt [17]
2 years ago
14

Each month at Sea Stars, the

Mathematics
1 answer:
Tom [10]2 years ago
4 0

Answer:

A good rule is to change 10 to 15 percent of the water each week. If your tank is heavily stocked, bump that up to 20 percent each week. A lightly stocked aquarium can maybe get by for two to four weeks, but this should be the maximum length of time between water changes.

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Ilia_Sergeevich [38]

Answer:

1 ) alternate interior angle

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3 0
3 years ago
The manufacturing cost of a cell phone was $136. Sellers first marked up the cost by 25 percent. Sales were poor, so sellers dec
lilavasa [31]
136×25%=136×25/100= 3 400/100=34
so the markeup value is
136+34= 170
170×17%=170×17/100=2 890/100=28.9
170-28.9=141.1
Selling price=136+170=306
8 0
3 years ago
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If (-2, y) lies on the graph of y = 4x, then y =<br><br> -16<br> 1/16<br> 16
emmasim [6.3K]
Y = 4x
(-2,y).....x = -2

y = 4(-2)
y = -8
7 0
2 years ago
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mr_godi [17]
11 kilometer per hour
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Given right triangle ABC with altitude BD drawn to hypotenuse AC. If
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The length will be 3 because of the altitude
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