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Brilliant_brown [7]

4 years ago

9

Which of the following are continuous?

1 answer:

goldenfox [79]4 years ago

7 0

E and D are continuous

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Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3

Otrada [13]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{f(x)}{y}=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=-18\\
x=3
\end{cases}\implies -18=k3
\\\\\\
\cfrac{-18}{3}=k\implies -6=k\qquad therefore\qquad \boxed{\stackrel{f(x)}{y}=-6x}$

5 0

3 years ago

2. Find the volume of the prism. Round to the nearest tenth.

natita [175]

$\huge\mathcal\pink{ANSWER}$

$\mathsf \purple{ v = \frac{1}{2} (a + b) \times h \times l}$

$\mathsf \pink{v = \frac{1}{2} (5 + 12) \times 6.1 \times 16}$

$\mathsf \purple{v = \frac{1}{2} (17) \times 6.1 \times 16}$

$\mathsf \pink{v = 8 \frac{1}{2} \times 6.1 \times 16}$

$\mathsf \purple{v = 829.6 {mi}^{3} }$

7 0

2 years ago

Convert 15 kilometers per hour to meters per second.

Jlenok [28]

Answere : 25 meters per second i think
Explanation: I’m not sure

7 0

3 years ago

Its kinda easy for you i think

Alex

the answer is b.) (4,2)

*sigh* :(

3 0

3 years ago

Find the equation of the line passing through the points (0.-1) and (3.5).

devlian [24]

Answer:

y=2x-1

Step-by-step explanation:

8 0

3 years ago