2 years ago

Resultado de w+3 3/8= 1 5/6

Mathematics

1 answer:

Darya [45]2 years ago

7 0

Answer:

Step-by-step explanation:

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Solve the inequality. 1/3a+2<-2

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grandymaker [24]

Answer:

Step-by-step explanation:

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3 years ago

if it would take billy an hour to race over to his girlfriends house and two hours if he went 20 miles per hour slower how far a

mel-nik [20]

Recall your d = rt, distance = rate * time.

now, let's say she lives "d" miles away, and so if Billy goes say at "r" mph fast to her house, he gets there in 1hr.

now, if he goes 20 mph slower, namely " r - 20 " mph, he gets there in 2 hours, same "d" miles.

$\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{Billy}&d&r&1\\
\textit{slower Billy}&d&r-20&2
\end{array}
\\\\\\
\begin{cases}
d=r(1)\implies d=\boxed{r}\\
d=2(r-20)\\
----------\\
d=2\left( \boxed{d}-20 \right)
\end{cases}
\\\\\\
d=2d-40\implies 40=d$

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4 years ago

I think of a number take away one and multiply the result by three but using x as your unknow

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I think of a number, (55) = my x. -1 = 54 x 3 = 162.

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3 years ago