Which equation should be used to solve 81 + × =108
2 answers:
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Answer:
See explanation
Step-by-step explanation:
<u>Linear</u> expression is usually an expression of 1st degree.
A. The product of a number and seven
Correct, linear
B. The sum of three consecutive numbers.
Let the smallest number be n, the next number is n + 1 and the last number is n + 2. Then their sum is
Correct, linear
C. The square of a number times three.
Let the number be n, then its square is and the square of a number times three is
Correct, nonlinear
D. Twice the sum of a number and 8.
If the number is n, then the sum of the number anf 8 is n + 8. Twice the sum is
Incorrect, linear
E. The cube of a number divided by two.
If the number is n, then its cube is The cube of the number divided by 3 is
Correct, nonlinear