3 years ago

Use the grouping method to factor x^3+x^2+5x+5

Mathematics

1 answer:

serious [3.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Preston uses the bar diagram to represent 4x - 3 = 13. how would you use the bar diagram to solve for x

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Answer: x = 4

Step-by-step explanation:

4x = 13 + 3

4x = 16

x = 16/4

x = 4

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Which is a rational number?

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Square root of 100 is 10 which would make it the rational number

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Figure A is a scale image of figure B.

kramer

<h3>Answer: x = 7</h3>

Work Shown:

Multiply 10.5 by 2/3 to get

10.5*2/3 = 21/3 = 7

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3 years ago

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The coordinates of the vertices of a polygon are (−5, 1) , (−1, 3) , (2, 3) , (2, −2) , and (−3, −1) .

ozzi

Using the distance formula $d=\sqrt{(x_2-x_1) +(y_2-y_1) }$ Then we assign the points letter for simplicity

$A= (-5.1),B=(-1,3),C=(2,3),D=(2,-2),E=(-3,-1)$ . The distance formula gives us the magnitude between two points hence,

$AB=\sqrt{(-5-(-1))^2+ (-1-3)^2}=\sqrt{16+16}= 5.65$

$BC=\sqrt{(-1-2)^2+(3-3)^2}= \sqrt{9}=3$

$CD=\sqrt{(2-2)^2+((3-(-2))^2} =\sqrt{25}=5$

$DE=\sqrt{(2-(-3))^2+(-2-(-1))^2} =\sqrt{26+1} =5.099$

$AE=\sqrt{(-3-(-5))^2+(-1-1)^2}= \sqrt{4+4} =\sqrt{8}=2.82$

$Perimeter= AB+BC+CD+DE+AE\\Perimeter=5.65+3+5+5.099+2.82=21.57 units$

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3 years ago