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skelet666 [1.2K]
2 years ago
6

Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 40 pounds of algae, how much al

gae will be in the pond after 12 hours?
Mathematics
1 answer:
Paul [167]2 years ago
7 0
320 pounds of algea. After 4 hours, it would be 80, After 8 hours, 160. After 12 hours, 320
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Angelique is building a model of her home. Her house is 24 feet tall, and the home in her model is 8 inches tall. She wants to a
timama [110]

We have that

Her house is -----------------------24 feet tall

Her model is----------------------- 8 inches tall

The inch is a unit of length used primarily in the imperial and U.S. customary measurement systems, representing 1/12 of a foot

 in =ft * 12.000

24 feet=12*24=288 inches

Her house is -----------------------288 inches tall

Her model is----------------------- 8 inches tall

 

288/8=36 scale of reduction

Her brother is 5 feet tall

<span>The figurine in the model that represents her brother  (5/36)</span>=0.138889 feet

<span>0.138889*12=1.67 inches</span>

3 0
3 years ago
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He would use 3.2 gallons a day. All you need to do is use the calculator app and divide 16 and 5 to get 3.2. Hope this helps!!
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3 years ago
out of 35 librarians surveyed 12 librarians chose fantasy as their favorite 9 chose nonfiction and 14 chose fiction qhat percent
Setler [38]
14/35 = 0.4
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7 0
2 years ago
Pls help me with this
kvasek [131]

Answer:

1st one is positive

2nd one is negative

3rd one is negative

4th one is positive

Step-by-step explanation:

7 0
2 years ago
Please help math question!
sweet [91]

smallest triangle 5.7/11,   
medium triangle 11/x
5.7/11=11/x
x=11*11/5.7≈21.2 (longer leg of the medium triangle)
difference between 6 and 5.7 is 6-5.7=0.3 ,

screen going to be 0.3 feet less, than leg of the medium triangle that was found
21.2-0.3=20.9 ft

5 0
3 years ago
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