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zlopas [31]
3 years ago
11

Which algebraic expression represents “the sum of a number and 9”?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

Answer:

B

Step-by-step explanation:

sum means addition so n plus 9 would give you the sum of the both

lions [1.4K]3 years ago
3 0

Answer:

Option B, n + 9

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

the sum of a number and 9

n + 9

Answer:  Option B, n + 9

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dexar [7]

The number in question is equal to 2 times the temperature in degrees Celsius.

<h3><u>Equations</u></h3>

Since Alisha is working on a project about temperature conversion in her science class, and the formula for converting degrees Celsius to degrees Fahrenheit is F=C+32, to solve FC + 32 the following equation must be performed:

  • CF + 32 = X
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Therefore, the number in question is equal to 2 times the temperature in degrees Celsius.

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3 years ago
Determine the measure of angle ECB.
Novosadov [1.4K]

Answer:

4) 91.75

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