Using the grouping method to factor the polynomial below completely. x^3+2x^2+4x+8

Mathematics

1 answer:

Ivenika [448]3 years ago

3 0

Answer: $(x+2)(x^2+4)$

Step-by-step explanation:

$x^3+2x^2+4x+8$

$(x^3+2x^2)+(4x+8)\\x^2(x+2)+4(x+2)$

$(x+2)(x^2+4)$

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Kim finish reading a book and 13.5 hours. He took Javis 845 minutes to read same book. Monica read the book and 49,500 seconds.

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Put it all into the same measurement unit -
Kim: 48,600 seconds. (13.5*60=810, 810*60=48600)
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Monica: 49,500 seconds.

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Answer:

Step-by-step explanation:

Given that there are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom.

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Answer:

The airplane flies 95 miles.

Step-by-step explanation:

First we need to find the distance for the first segment using the formula for distance $D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}$ . Let's say $(x_{1},y_{1})$ is (0, 0) and $(x_{2},y_{2})$ is (33, 56). This gets us that the length of this segment is 65 miles.
Next, we need to find the distance for the second segment. Using the same formula for distance $D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}$ , we can say $(x_{1},y_{1})$ is now (33, 56) and $(x_{2},y_{2})$ is now (23, 32). This gets us that the length of this segment is 26 miles.
To get the total distance traveled, add the length of these two segments together (65 miles + 26 miles) to get 91 total miles traveled.