Which property allows you to check a solution of an equation? explain

Mathematics

1 answer:

DedPeter [7]4 years ago

7 0

Answer:

Equality

Step-by-step explanation:

Equations are mathematical statements that combine two expressions of equal value. An algebraic equation can be solved by isolating the variable on one side of the equation using the properties of equality. To check the solution of an algebraic equation, substitute the value of the variable into the original equation.

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According to a 2009 Reader's Digest article, people throw away approximately 90% of what they buy at the grocery store. Assume t

Dafna11 [192]

Answer:

0.9495

Step-by-step explanation:

We are given;

Population proportion; p = 90% = 0.9

Sample size; n = 100

Sample Proportion; p^ = 0.84

Formula to find the probability that sample proportion exceeds 0.84 is;

Z = P(p^ > 0.84) = (p - p^)/√(p^(1 - p^)/n)