3 years ago

(5x-6)(-x+4) using the box method

Mathematics

1 answer:

Sophie [7]3 years ago

4 0

Answer:

-5x²+26x-24

Step-by-step explanation:

(5x-6)(-x+4)

=5x(-x+4)-6(-x+4)

=-5x²+20x+6x-24

=-5x²+26x-24

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Solve system by using substitution: 5x + 3y = -4 <br> y - 2x = 6

horrorfan [7]

Answer:

x = -11/3, y = -4/3

Step-by-step explanation:

$y-2x=6\\y = 2x + 6$

$3(2x + 6) = -4\\6x + 18 = -4\\6x = -22\\x = -11/3$

$3y = -4\\y = -4/3$

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3 years ago

Solve for the solution set : <br> x+5 5

lilavasa [31]

Answer:

x=0

Step-by-step explanation:

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denpristay [2]

It would be D .........

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3 years ago

How would you write a decimal that is less than five Ten thousandths

asambeis [7]

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All of these are less:

0.0004
0.0003
0.0002
0.0001
0.00001
0.000001
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3 years ago

Audryn left a $12 tip on a $68.73 restaurant bill. What percent tip did she leave? Round to the nearest tenth of a percent.

Fiesta28 [93]

So, if we take 68.73 to be the 100%, what is 12 in percentage off of it?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
68.73&100\\
12&p
\end{array}\implies \cfrac{68.73}{12}=\cfrac{100}{p}\implies p=\cfrac{12\cdot 100}{68.73}$

seems Audryn is being generous, she probably got the silverware and the maple leaves tablecloth.

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4 years ago