Which ratio is equivalent to the unit rate 4/1? How was the unit rate transformed into the equivalent ratio?

Mathematics

1 answer:

pantera1 [17]2 years ago

7 0

Answer:

it seems as if both options A and C are correct.

Step-by-step explanation:

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Valerie earns $24 per hour. Which expression can be used to show how much money she earns in 7 hours?

UkoKoshka [18]

The answer is B) (7x20) + (7x4)

7 0

3 years ago

Read 2 more answers

How do I solve this

sdas [7]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
\cfrac{2x}{x^2+2x-24}-\cfrac{x}{x^2-36}\quad 
\begin{cases}
x^2+2x-24\implies (x+6)(x-4)\\
--------------\\
x^2-36\implies x^2-6^2\\
(x-6)(x+6)
\end{cases}$

$\bf \cfrac{2x}{(x+6)(x-4)}-\cfrac{x}{(x-6)(x+6)}\impliedby 
\begin{array}{llll}
\textit{thus our LCD is}\\
(x-6)(x+6)(x-4)
\end{array}
\\\\\\
\cfrac{[(x-6)2x]~-~[(x-4)x]}{(x-6)(x+6)(x-4)}\implies \cfrac{2x^2-12x-x^2+4x}{(x-6)(x+6)(x-4)}
\\\\\\
\cfrac{x^2-8x}{(x-6)(x+6)(x-4)}$

3 0

3 years ago

Please help me with my work

Alexxandr [17]

Answer:

1) -1/4

2) -1/2

3) 1/3

Step-by-step explanation:

perpendicular lines' slopes are opposite reciprocals so you flip it and change the positive or negative sign

parallel lines have the same slope

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2 years ago

I need help what happens when the food goes down the mouth where does it go

liubo4ka [24]

Food that goes down the mouth goes into the trachea I’m pretty sure and goes down the esophagus to the stomach!

5 0

2 years ago

7 - 5n = 6 + 6(n + 2)

postnew [5]

7- 5n=6+6(n+2)
7- 5n=6+6n+12
7 -5n=18+6n
5n-6n=18-7
-11n=11
n=-1

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2 years ago