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3 years ago

Bro, I hate these questions.

Mathematics

1 answer:

AysviL [449]3 years ago

8 0

Answer:

3/4 x 12/1= 9

Step-by-step explanation:

I answered this earlier but it deleted it.

So you would put the 12 over one to make it a fraction and multiply straight across

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Which of the following expressions is not equal to p^2?

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4 years ago

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If the value of x is 3, then what is the value of 2-8x+4x+4

Veronika [31]

Hey there,
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3 years ago

2(3/5x+3). How would I get that answer

Airida [17]

Answer: $\frac{6}{5}$ x + 6

Step-by-step explanation:

We will use the order of operations, also known as PEMDAS. See attached. Please note that we cannot do what is in the parentheses first because we have a variable, so we will distribute the 2 into it. Since this is an expression, I do not believe we can fully solve for x, but can only simplify.

Given:

2(3/5x+3)

Distribute:

2 * (3/5x) + (2 * 3)

6/5x + 6

Answer:

$\frac{6}{5}$ x + 6

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2 years ago

Y varies directly as x and y = 18 when x= 1/2. write an equation that relates y and x

Mice21 [21]

$\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=18\\
x=\frac{1}{2}
\end{cases}\implies 18=k\cfrac{1}{2}\implies 18=\cfrac{k}{2}
\\\\\\
36=k\qquad therefore\qquad \boxed{y=36x}$

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3 years ago