76 is the mean for this problem
Working out the expression 7(3ˣ) is first to calculate the value of 3ˣ then multiply the answer to 7.
For example, let x = 2
Then 7(3ˣ) = 7(3²) = 7 × 9 = 63
With the same value of x = 2, calculating 21ˣ = 21² = 441, which isn't the same answer with the expression 7(3ˣ)
23.4 ft2
Step-by-step explanation:
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Answer:
1/4
Step-by-step explanation:
1/6 + 1/12
Multiply the numerator and denominator of the first fraction by 2.
2/12 + 1/12
Add both fractions, because they have a common denominator.
3/12
The fraction can be further simplified.
1/4
Answer:
Step-by-step explanation:
que podríamos hacer para obtener información sobre la participación democrática en la familia desde las tablas de frecuencias que hemos elaborado con los datos de la encuesta