3 years ago

Determine a simplified expression

Mathematics

1 answer:

Dmitry [639]3 years ago

6 0

Answer:

For Task B: $3x^4 - 2x^3$

Step-by-step explanation:

Given that Volume = l*w*h, we can plug in the values on the diagram, so we get the equation (3x-2)( $\frac{1}{2}x$ )( $2x^2$ ) = $(\frac{3}{2} x^2 - x)(2x^2) = 3x^4-2x^3$ . Hope this helps!!!

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The value of $Q_{1} , Q_{2} ,$ , and $Q_{3}$ of each data is shown in the diagram below

Group A

Mean = $\frac{41+44+45+48+49+50+52+54+55+58}{10} =49.6$
Median = 49.5
Range = $58-41=17$
Interquartile Range = $Q_{3}- Q_{1} =54.5-44.5=10$

Group B
Mean = $\frac{40+41+43+45+48+52+55+57+60+62}{10}=50.3$
Median = 50
Range = 62-40=22
Interquartile range = 58.5-42 = 16.5

Correct statement: the time in Group B has a greater interquartile range