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Ne4ueva [31]
3 years ago
7

1/4 + 1/2 + x = −3/4

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
7 0

1/4 + 1/2 + x = −3/4

get a common denominator 1/4

1/4 +2/4 +x = -3/4

combine like terms

3/4 +x =-3/4

subtract 3/4 from each side

x = -3/4 -3/4

x = -6/4

divide top and bottom by 2

x = -3/2

x = -1   1/2

Answer : x = -1  1/2

Pani-rosa [81]3 years ago
5 0

Answer:

x = -7/4

Step-by-step explanation:

Identify the LCD (it is 4) and mult. all terms of the given equation by it:

1 + 2 + 4x = -3

Then:   4x = -3 -2 -1, or 4x = -7.  Therefore, x = -7/4.

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Firdavs [7]
Downstream DATA:
distance = 12 miles 
time = 2 hours 
rate = 12/2 = 6 mph
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Upstream DATA:
distance = 12 miles 
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rate = 12/4 = 3 mph
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Equations:
Downstream: b + c = 6
Upstream::: b - c = 3
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Add to get:
2b = 9
b = 4.5 mph (speed of the boat in still water.)
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Solve for "c":
b + c = 6
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The answer is 1.5 mph
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3 years ago
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3 years ago
Order the numbers from least to greatest. 0.3, 9/25, 33%, 0.35
Finger [1]

Answer:

0.3(least)

0.33

0.35

0.36(greatest)

Step-by-step explanation:

Okay, so first we need to have all of our numbers in the same category of variable. So first, we will convert 9/25 to a decimal.

To do that, we must divide 9 by 25 to get our answer of 0.36.

Now, we will convert the 33% to a decimal by dividing it by 100 to get 0.33

We now have our list, which should be ordered as:

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2 years ago
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slava [35]

Answer:

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Step-by-step explanation:

<u>Let the number be x, and we have equation:</u>

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The number is -1

7 0
2 years ago
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