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3 years ago

5

translate the phrase:""Three times the difference of a number and 9" " into an algebraic expression .Let x represent the real nu

mber...

1 answer:

erastovalidia [21]3 years ago

6 0

3(x-9) that is the answer to this one.

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Which expression are equivalent to the expression 4a-6b+3c

jeka94

<span>here the Answer: -3a-4b+8c.

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3 years ago

for every 5 coins carmen gets, she gives 2 to her brother Frankie. If carmen has 9 coins, how many does frankie have?

aliya0001 [1]

Since Carmen gives two coins to Frankie for every five that she gets, she effectively only gains 3 coins at a time. Therefore, if she has 9 coins, Frankie must have 6.

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4 years ago

A line with a negative slope is perpendicular to one of the lines shown. What is its slope? Use the graph shown below. The Slope

goblinko [34]

Answer:

The slope for the red line is decreasing and hence the slope must be negative. -1x or simply -x
The slope of the blue line is increasing and hence positive: 1/2x
The solution to the equation is the intercept (2,3)
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7 0

3 years ago

Difference in the following polynomials (6x^3 - 2x^2 + 4)<br> -(2x^3 + 4x^2 - 5)

Colt1911 [192]

$\bold{[ \ Answer \ ]}$

$\boxed{\bold{4x^3-6x^2+9}}$

$\bold{[ \ Explanation \ ]}$

$\bold{Find \ Difference: \ \left(6x^3\:-\:2x^2\:+\:4\right)-\left(2x^3\:+\:4x^2\:-\:5\right)}$

$\bold{-----------------------}$

$\bold{Remove \ Parenthesis}$

$\bold{6x^3-2x^2+4-\left(2x^3+4x^2-5\right)}$

$\bold{Remove \ Parenthesis \ / \ Simplify}$

$\bold{-\left(2x^3+4x^2-5\right): \ -2x^3-4x^2+5}$

$\bold{Rewrite}$

$\bold{6x^3-2x^2+4-2x^3-4x^2+5}$

$\bold{[Simplify \ 6x^3-2x^2+4-2x^3-4x^2+5] \ 4x^3-6x^2+9}$

$\bold{4x^3-6x^2+9}$

$\boxed{\bold{[] \ Eclipsed \ []}}$

6 0

4 years ago

Start time 3:30 pm end time 7:00 pm what is elapsed time?

DiKsa [7]

Hello there!

Your answer is 3 hours and 30 minutes.

I hope I have been of assistance!

~ Fire

7 0

3 years ago