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anzhelika [568]
3 years ago
12

After swimming 80 feet below the surface of the water, a whale swims up 40 feet. Use a number line to help you create an equatio

n that shows the new location of the whale in relation to the water's surface.
A) The equation is -80 + (-40) = -120. The whale is 120 ft below the water's surface.
B) The equation is -80 + 40 = -40. The whale is 40 ft below the water's surface.
C) The equation is -80 + (-40) = -40. The whale is 40 ft below the water's surface.
D) The equation is -80 + 40 = -120. The whale is 120 ft below the water's surface.​
Mathematics
1 answer:
juin [17]3 years ago
5 0
Answer: D
hopenitvhelz
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Answer:

Part A: 299 + 45A + 30B + 50c

Part B: 569 (or 570 if you round it up)

Step-by-step explanation:

Part A:

Because there is no variable for the number of PlayStation 4s, let's assume that there is only one. That will be 299.

If A is the number of wireless controllers and each wireless controller is worth 45 dollars each, the price for the wireless controller(s) is 45A.

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If C is the number of games and each game cost 50 dollars, then the price of the game(s) is 50C

Put that all together, and we get 299 + 45A + 30B + 50c.

Part B:

Let's plug the numbers into the formula.

A = 2

B = 1

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299 + 45A + 30B + 50c = 299 + 90 + 30 + 150 = 569\ dollars

3 0
2 years ago
PLEASE ANSWER ASASP<br> -5y + 4 = -11<br> what is y?
lorasvet [3.4K]

Answer:

3

Step-by-step explanation:

-5y + 4 = -11   Get rid of the numbers to get y alone.

-5y +4 minus 4 = -11 minus 4    Here you are removing the 4 from the left

-5y = -15       Now you will have to get rid of the -5

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3 years ago
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nikdorinn [45]

Answer:

mean= 4.68

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Step-by-step explanation:

mean= n×p

n=6

p=0.78

mean= 6×(0.78)

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variance= n×p×(1-p)

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              = 1.0296

5 0
3 years ago
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