1 year ago

Calculate the z- score for the following scenario, rounding on two decimal places:

Mathematics

2 answers:

s2008m [1.1K]1 year ago

5 0

HaiNauBaiabaisbzbzusbs s

Yuliya22 [10]1 year ago

3 0

Answer:

08o8ijhvggyuui8988799999oooo

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How do I know if an equation has one solution no solution or infinitely many solutions?

Lemur [1.5K]

Answer: If the equation ends with a false statement (ex: 0=3) then you know that there's no solution. If the equation ends with a true statement (ex: 2=2) then you know that there's infinitely many solutions or all real numbers.

Step-by-step explanation:

3 0

2 years ago

The solution of the following equation as 0.15 ( 10t - 9= 0.75 (4t - 3)

Alenkinab [10]

Answer:

$\huge\boxed{\sf t = 0.6}$

Step-by-step explanation:

$\sf 0.15(10t-9) = 0.75(4t-3)\\\\Resolving \ Parenthesis\\\\1.5t-1.35 = 3t - 2.25\\\\Combining \ like \ terms\\\\-1.35 + 2.25 = 3t-1.5t\\\\0.9 = 1.5t\\\\Dividing \ both \ sides \ by \ 1.5\\\\0.9/1.5 = t\\\\0.6 = t\\\\OR\\\\\bold{t = 0.6}$