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ioda
3 years ago
11

Water is being drained out of a swimming pool at a constant rate of 780 gallons per hour. The swimming pool initially contained

45000 gallons of water. A chemical additive must be added to the pool when it has more than 15000 gallons of water remaining in the pool.
A. Write an equation for the amount of water remaining in the pool after h-hours.


B. Write an equation that could be solved to find the least number of hours before the chemical could be added.


C. Will, it take longer than two days before the chemical can be added? Justify your response.
Mathematics
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

Step-by-step explanation:

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How do u solve 5/4 + 3 1/5 + 1/2
laila [671]

Answer:

Step-by-step explanation:

common denominator is 20

20+4+10 is 34

34/20 is 1 14/20 or 1 7/10

7 0
3 years ago
bill is replacing his 15ft long by 12 ft wide deck. his new deck will add 5 feet to the length and 4 feet to the width. if a dra
Ira Lisetskai [31]

The dimensions i.e. length and width of the deck in the drawing is 8 and 6.4 inches respectively.

Given that the length of the previous deck = 15 feet

The width of the previous deck = 12 feet

Since the new deck will add 5 feet to the length and 4 feet to the width,

The length of the new deck = 15 + 5 = 20 feet

The width of the new deck = 12 + 4 = 16 feet

Also given that a drawing of the new deck uses a scale of 1 inch = 2.5 feet.

So, The length of the deck in the drawing = 20/2.5 inches = 8 inches

The width of the deck in the drawing = 16/2.5 inches = 6.4 inches

Therefore, the dimensions i.e. length and width of the deck in the drawing is 8 and 6.4 inches respectively.

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7 0
2 years ago
I really need help solving these two problems  
Oxana [17]
.........................

7 0
3 years ago
Need help with this ​
photoshop1234 [79]

Answer:

9.6x10^3

Step-by-step explanation:

9,600

find the highest number

9,600

^

bring the decimal to that number

9.600

count how many spaces it took to get to that number

9.600

   ^ ^ ^

3

so its 10 to the third power

7 0
3 years ago
16 < −x −6 OR 2x + 5 ≥ 11
Jet001 [13]

Answer:

A. -1; -2; -3; -4; -5.

B. x>1

5 0
3 years ago
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