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3 years ago

Solve the inequality. 7- 9x4 - 11x

Mathematics

1 answer:

Degger [83]3 years ago

6 0

Answer:

-11x-29

Step-by-step explanation:

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2 years ago

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Test for origin symmetry:<br> y=x/(x^2+1)

Korolek [52]

$y=\dfrac{x}{x^2+1}\\\\ -y=-\dfrac{-x}{(-x)^2+1}\\ -y=\dfrac{x}{x^2+1}\\ y=-\dfrac{x}{x^2+1}$

$-\dfrac{x}{x^2+1}\not =\dfrac{x}{x^2+1}$ so it's not symmetrical about the origin.

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3 years ago

Consider the function below.

konstantin123 [22]

Answer:

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Step-by-step explanation:

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3 years ago

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Question 1

olga_2 [115]

Step-by-step explanation:

$(7r+5s)^2$

use the pattern

$(a+b)^2=a^2+2ab+b^2$

$(7r+5s)^2=(7r+5s)(7r+5s)$

Apply FOIL method to multiply the parenthesis

$(7r+5s)^2=(7r+5s)(7r+5s)$

$(7r+5s)(7r+5s)\\49r^2+35rs+35rs+25s^2\\49r^2+70rs+25s^2$

Compare the expression with $(a+b)^2=a^2+2ab+b^2$

The value of a=7r and the value of b=5s

Answer :

a=7r , b=5s

4 0

4 years ago

PLS HELPPPP!!!!! Not sure what to do:/

const2013 [10]

Answer:

a. Triangular prism , b. 157.5cm squared , c. 369cm ,d. 405 cm cubic

Step-by-step explanation:

b. I assume lateral meabs the area which is visible ( exclude dotted lines)

c. sum of areas of all 5 shapes used to make the triangular prism ( L×W ) + l×w +l×w + 1/2×bh +1/2×bh

d. volume = AREA OF CROSS SECTION(which is a triangle) ×LENGHTH or Height(6cm)

7 0

3 years ago