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Lynna [10]
3 years ago
6

1 4/8 -7/8. Pls help

Mathematics
2 answers:
Travka [436]3 years ago
4 0
12/8-7/8 is 5/8 so the answer is 5/8
In-s [12.5K]3 years ago
4 0

Answer:

5/8

Step-by-step explanation:

1 4/8 -7/8

Convert the mixed number to an improper fraction

1 4/8 = 12/8

Now....

12/8 - 7/8

Just subtract the numerators, and the denominator stays the same "8"

12 - 7 = 5

5/8

That should be your answer

Hope this helped!

Have a supercalifragilisticexpialidocious day!

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Answer:

A

Step-by-step explanation:

It has the smallest surface with an increase in height

4 0
3 years ago
Ralph’s average score for 5 tests was 82. on four of the tests his scores were 85, 73, 92, 66. what was the fifth test score?
SCORPION-xisa [38]

Answer:

94

Step-by-step explanation:

Let the unknown number be denoted by the variable, x. Also note that, the average can be found by adding all values together and dividing by the amount of values there are.

Set the equation:

(85 + 73 + 92 + 66 + x)/5 = 82

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Simplify first by combining like terms, and then do the opposite of PEMDAS.

PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& roots)

Multiplications

Divisions

Additions

Subtractions.

Combine like terms:

(85 + 73 + 92 + 66 + x)/5 = 82

(316 + x)/5 = 82

Next, isolate the x, by multiplying 5 to both sides of the equation:

(316 + x)/5 * 5 = (82) * 5

316 + x = 82 * 5

316 + x = 410

Lastly, subtract 316 from both sides of the equation:

x + 316 = 410

x + 316 (-316) = 410 (-316)

x = 410 - 316

x = 94

94 is the final test score.

5 0
2 years ago
P plus (negative 9)= thirty three
Cloud [144]

Answer:

42

Step-by-step explanation:

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3 years ago
How do you write number 20 in exponential form? Explain please.
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