Suppose a pack of candy bars has 4 bars. Each bar weighs 5.78 ounces. How much does the pack weigh?
2 answers:
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Answer:
x = ± 10
Step-by-step explanation:
Given
x² - 100 = 0 ( add 100 to both sides )
x² = 100 ( take the square root of both sides )
x = ± ← note plus or minus, hence
x = ± 10
Answer:
Step-by-step explanation:
1. Use the distributive property to write the problem without parentheses. The distributive property says that you can multiply a number next to parentheses by all the numbers inside parentheses. The picture below explains.
Therefore, your answer is