Answer: 84
Explanation:
Total for 5 tests = 80 x 5 = 400
Total for 4 tests = 84 + 75 + 81 + 76 = 316
5th score = 400 - 316 = 84
Answer:
Logarithms are the "opposite" of exponentials, just as subtraction is the opposite of addition and division is the opposite of multiplication. Logs "undo" exponentials. Technically speaking, logs are the inverses of exponentials. On the left-hand side above is the exponential statement "y = bx
Step-by-step explanation:
First you would have to simply the expression by distributing.
10xy-4xy-8x²y
the only common terms are xy, so your final answer is 6xy-8x²y.
Because it is the answer that works for both equations. geometrically it is the 1 point that appears in both lines