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Svetlanka [38]
3 years ago
13

Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much al

gae will be in the pond after 12 hours?
-720 pounds
-360 pounds
-1440 pounds
-114 pounds
Mathematics
1 answer:
UNO [17]3 years ago
4 0
After 12 hours the pound would have 720 pounds of algae.
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Find the value of z in the isosceles triangle shown below.<br> V20<br> V20<br> 8
Shkiper50 [21]

Answer:

<h3>x = 2</h3><h3 />

Step-by-step explanation:

use Pythagorean theorem:

a² + b² = c²

where a = x

           b = 8/2 = 4  

           c = √20

plugin values into the formula:

x² + 4² = (√20)²

x² + 16 = 20

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x = √4

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4 0
2 years ago
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4 0
3 years ago
How do i solve 5y - 10 = -25?
viva [34]
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the tens cancel out on the left side and on the right you get left with -15/
Since y is being multiplied by 5 you always want to do the opposite so you divide by 5.
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8 0
3 years ago
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Can someone help me please<br><br> answer it i will give u the brainliest
VLD [36.1K]

Answer:

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2.1/3

3.3/10

4.2/3/5

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4 0
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Hope this helps.
7 0
3 years ago
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