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sweet [91]
2 years ago
14

How many like terms are in the expression? 14 x minus 14 y 7 minus x z 2 x 0 2 3 5.

Mathematics
1 answer:
Cerrena [4.2K]2 years ago
8 0

Like terms are those terms, which have the common variable with same powers.

The number of like terms in the given expression are 3, which is (14x,-x,2x). the option 3 is the correct option.

<h3>What is like terms?</h3>

In the algebra or the algebraic expression the like terms are those terms, which have the common variable with same powers.

Given information-

The given expression in the problem is,

14 x -14 y+ 7 - x+ z+ 2 x

The given expression is the algebraic expression which 3 number of unknowns variables.

There is total 6 terms in the given expression. In which 5 terms consists the variables and one term is constant.

In the given expression,

  • The total number of terms with variable x are 3 which are,(14x,-x,2x).
  • The total number of terms with variable y is 2 which is -14y.
  • The total number of terms with variable z is 1 which is z.
  • The total number of constant terms is 1 which is 7.

Thus the number of like terms in the given expression are 3, which is (14x,-x,2x). the option 3 is the correct option.

Learn more about the  like terms here;

brainly.com/question/1779134

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nika2105 [10]

Answer:

The best point of estimate for the true mean is:

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Since the time can't be negative a good approximation for the confidence interval would be (0,5.248) minutes. The interval are tellling to us that at 95% of confidence the average late time is lower than 5.248 minutes.

Step-by-step explanation:

Information given

\bar X=2.55 represent the sample mean for the late time for a flight

\mu population mean

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Confidence interval

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The confidence interval for the true mean is given by:

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The Confidence level given is 0.95 or 95%, th significance would be \alpha=0.05 and \alpha/2 =0.025. If we look in the normal distribution a quantile that accumulates 0.025 of the area on each tail we got z_{\alpha/2}=1.96

Replacing we got:

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