This is because the 2 like terms are 8x^2 and -2x^2. You can get this by looking in the problem. There are 2 terms with x^2 which means we have to combine them. One of them is 8x^2 (the 1st one) and the other is -2x^2 (since it says 7-2x^2)

If you combine these you will get 6x^2 [8+(-2)=6]

5 0

2 years ago

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The number of traffic citations given daily by two police departments over a two-week period is shown in the box-and-whisker plo

m_a_m_a [10]

D iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

5 0

3 years ago

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The number of students enrolled at a college is 18,000 and grows 6% each year.

Elis [28]

Answer:

If the question is how many student enroll in the school each year then the answer is 1080

Step-by-step explanation:

3 0

3 years ago

A rectangle has sides that are 1 cm and 2 cm long. If it is increased by a scale factor of 9, what will be the new area of the r

Reil [10]

Answer:

$162cm^2$

Step-by-step explanation:

The original sides are 1 and 2 centimeters, Increasing both by a factor of 9 results in 9 and 18 centimeters. We multiple to find the area is 162 square centimeters,

8 0

2 years ago