For the following system, use the second equation to make a substitution for y in the first equation. 2 x + y = 5 y + 3 = 2 x
2 answers:
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Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is
The standard deviation is
Generally the standard error of the mean is mathematically represented as
=>
=>
Answer:
The given expression in simplified form is:
Step-by-step explanation:
Simplifying the expression involve reducing the number of terms to minimum and making the expressions in standard form.
This may involve addition, subtraction and multiplication of variables.
Given expression is:
Distributing 5x will give us:
Hence,
The given expression in simplified form is:
Answer:
The computer can perform 1051050 calculations in 10 seconds.
Step-by-step explanation:
1. Put the quantity of calculations the computer can perform in 1 second:
2. Multiply the quantity of calculations by 10 seconds:
Note that the units of seconds are cancelled as they appear on the numerator and the denominator, and the final response unit is given in calculations number.
The computer can perform 1051050 calculations in 10 seconds.