If you would like to factor the expression 36y^2 - 84y - 147, you can do this using the following steps:
<span>
36y^2 - 84y - 147 = 3 * (12y^2 - 28y - 49) = </span>3 * (6y + 7) * (2y - 7)
The correct result would be b. <span>3 * (6y + 7) * (2y - 7)</span>.
Answer:
{ b, d, f }
Step-by-step explanation:
In the roster form we write the elements of a set by separating commas and enclose them within {} bracket.
We have give,
,
,
,
= { b, d, f }
Please, find attached the missing figure with the <em>histogram</em>.
Answer:
Explanation:
The <em>scores </em>are represented by intervals in the horizontal axis.
The <em>scores</em> that are<em> less than 72</em> are represented by the bars to the left of the bar with scores [72 - 73].
Those are the bars in the intervals [66-67], [68-69], and [70-71].
The <em>number of scores</em> for each interval of score are equal to the height of the correspondent bar in the<em> histogram</em> and you can read them in the vertical axis.
score Interval number of scores
[66-67] 4
[68-69] 2
[70-71] 6
Hence, the total number of scores less than 72 is 4 + 2 + 6 = 12.
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