Answer:
17/50
Step-by-step explanation:
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Answer:
it is the last one ( HE SIMPLYFIED INCORECCT)
Step-by-step explanation:
i took the test
(2x² - 4x + 3) + (x² - 4x - 4) =
2x² - 4x + 3 + x² - 4x - 4 =
3x² - 8x -1
B.
The main advantage with boxplots (aka box and whisker plots) is that we can spot the five number summary very quickly. The five number summary consists of these items:
- Min
- Q1 = first quartile
- Median (sometimes referred to as Q2)
- Q3 = third quartile
- Max
The min and max are the left-most and right-most tips of the whiskers, assuming there aren't any outliers. They are the smallest and largest items.
The left and right edges of the box represent Q1 and Q3 in that order. The vertical line inside the box is the median. The vertical line does not have to be at the exact center of the box.
The ages of Carl and Angela given from the expression is 25 years and 18 years respectively
<h3>Equation</h3>
- Angela's age = x
- Carl's age = x + 7
- sum of five times carl's age and four times angela's age is 197
5(x + 7) + 4x = 197
5x + 35 + 4x = 197
9x = 197 - 35
9x = 162
x = 162/9
x = 18
So,
Angela's age = x
= 18 years
Carl's age = x + 7
= 18 + 7
= 25 years
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