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marishachu [46]
3 years ago
9

A fish was swimming 2 1/2 feet below the water's surface at 1:00 p.m. Three hours later, the fish was at a depth that is 3 1/4 f

eet below where it was at 1:00 p.m. What rational number represents the position of the fish with respect to the water's surface at 4:00 p.m. ?
Mathematics
1 answer:
salantis [7]3 years ago
7 0

Answer:

-23/4 ft

Step-by-step explanation:

Combine -2 1/2 ft with -3 1/4 ft.  The result will be -5 3/4 ft, or -23/4 ft.

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Find the midpoint of the line seg<br> (-4, -2) and (3, 3)
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(-4 + 3)/2= -1/2

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Read 2 more answers
Nifal earned 9$ for washing two cars .He recived $1 more for the second car.How much was he paid for washing each car?Which two
Sveta_85 [38]

Answer:

Nifal received $ 4 for washing the first car.

Nifal received $ 5 for washing the second car.

4 and 5 have a sum of 9.

Step-by-step explanation:

The problem can be rewritten as follows: Find the sum of two consecutive entire numbers equal to 9. That is:

x + y = 9

y = x+1

Then, by eliminating y:

x + (x+1) = 9

2\cdot x + 1 = 9

Now, let is clear x:

2\cdot x = 8

x = 4

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The earning for the second car is: (x = 4)

y = x +1

y = 4 + 1

y = 5

Nifal received $ 5 for washing the second car.

4 and 5 have a sum of 9.

8 0
3 years ago
Write an expression that is equivalent to 4n – 12 + 8y + (-3n).
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Therefore: 1n - 12 + 8y
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