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3 years ago

Solve for all possible values of x : |x-3|+4=1

Mathematics

1 answer:

Advocard [28]3 years ago

7 0

Answer:

D: no real solutions

Step-by-step explanation:

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2 years ago

How many lines of reflectional symmetry does an equilateral triangle have? 1 2 3 4

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3 lines

Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

109+(2x-3)+x+(x+32)+164+x+(x-7)=740 find x

tatyana61 [14]

Answer:

x = $\frac{445}{6}$ or $74\frac{1}{6}$

Step-by-step explanation:

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3 years ago

The data below are times (in seconds) recorded when statistics students participated in an experiment to test their ability to d

RoseWind [281]

Answer:

Mean = 58.25

Median = 57.5

Mode = 49

Step-by-step explanation:

We are given the following data set:

55, 51, 74, 61, 67, 60, 49, 49

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{466}{8} = 58.25$

Sorted data:

49, 49, 51, 55, 60, 61, 67, 74

Mode is the entry with highest frequency.

49 appeared two times.

Mode = 49

Formula:

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

$\text{Median} = \dfrac{55+60}{2} = 57.5$

All these are less than 60 seconds, which indicates that students perceive 1 minute to pass sooner than it actually has.

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3 years ago