Twenty children were surveyed about the number of hours they play outside in 1 week. The results are shown below.
1 answer:
Answer:
Frequency table and the histogram is shown below
Step-by-step explanation:
Frequency is the number of repetitions of a particular observation.
And the table which shows the frequency ( repetition) is called a frequency table.
The histogram is used to visualize the data, it is two- dimensional graph. Bars show the frequency of observation.
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2+2-1 that's three quick maths.
Answer:
(i)unique solution
Explanation:
We solve for x1 thus in the first equation:
x1-3x3=-3
x1-9=-3
x1=-3+9
x1= 6
We solve for a thus in the second equation:
2x1+ax2-x3=-2
2+a2-x3=-2
a2-x3=-4
a2=-4+x3
Answer:
x=−y/6− 1/2
x= 1−3y/8
<em><u>hope it helps</u></em>