A car traveled 63 miles on 3 gallons of gas. - id6335939185, shadowselena63

Ответ:

jessejames48

23.01.2022

Mathematics

147 gallons

Step-by-step explanation:

This is a simple proportion question.

First,

63 Miles of a journey consumed 3 gallons of gas, meaning that

3 gallons gas = 63 miles

1 gallon of gas. = (63/3)

= 21miles

Therefore,

7 gallons of gas. = 21 x 7

= 147miles

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Ответ:

krystalhurst97

14.09.2022

Mathematics

The limit does not exist.====== $\displaystyle \lim_{x \to 0} f(x)$ where $f(x) = \begin{cases} 5x-9& x\ \textless \ 0\\ |2-x| & x \geq 0 \end{cases}$ this limit occurs at a breakpoint.to determine if the limit exists, check the left- and right-hand limits. $\displaystyle \lim_{x \to 0^-} f(x)$ for the left-hand limit, we use this piece $5x-9\qquad x\ \textless \ 0$ because slightly to the left of 0 is less than 0. $\begin{aligned} \lim_{x \to 0^-} f(x) & = \lim_{x \to 0^-} (5x-9) \\ & = 5(0) - 9 \\ & = -9 \end{aligned}$ for the right-hand limit, we use this piece $|2-x| \qquad x\geq0$ because slightly to right of 0 is greater than 0. $\begin{aligned} \lim_{x \to 0^+} f(x) & = \lim_{x \to 0^+} |2-x| \\ & = |2 - 0| \\ & = 2 \end{aligned}$ the left- and right-hand limits are not equalthe limit does not exist.

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