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mezya [45]
3 years ago
8

A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. Suppose the diver started at 7 feet be

low the surface and dives in five steps of 15 feet each. Use an integer to describe his new position in relation to the water surface.
Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0

Answer:

82-5(15)=18-75=7

Step-by-step explanation:

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0.03125

Step-by-step explanation:

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Yolanda paid for her movie ticket using 28 coins, all nickels and quarters. The ticket cost $4. Which system of linear equations
Anvisha [2.4K]

Answer:

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2 years ago
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A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red
mamaluj [8]

Let red marbles = X.

The probability is 1 out of 5, written as 1/5

1/5 in terms of red marbles is equal to the number of red marbles divided by 5x, where 5x is the total number of marbles.

1/5 = x/5x 

Now you have 5x total marbles, x red and 4x blue. 

Add 5 more red and the new probability is: 

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Simplify:

3x+15 = 5x+5 

Now solve for x:

Subtract 3x from both sides:

15 = 2x +5

Subtract 5 from each side:

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Divide both sides by 2:

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There were originally 5 red marbles.

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3 years ago
Please help with algebra
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Answer:

b

Step-by-step explanation:

100

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