3 years ago

Is (0,8) a solution to the following system of inequalities:

Mathematics

1 answer:

Westkost [7]3 years ago

4 0

Answer: no

Explanations:

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Morgan made a mistake when subtracting the rational expressions below.

Nat2105 [25]

Answer : D

$\frac{3t^2-4t+1}{t+3} - \frac{t^2+2t+2}{t+3}$

The denominators are same

So we combine the numerators

$\frac{(3t^2-4t+1)-(t^2+2t+2)}{t+3}$

To remove parenthesis we distribute negative sign inside the second parenthesis

$\frac{3t^2-4t+1-t^2-2t-2)}{t+3}$

$\frac{2t^2-6t-1)}{t+3}$

Morgan made a mistake. He forgot to distribute the negative sign

Morgan forgot to distribute the negative sign to two of the terms 2t and 2 inside second parenthesis

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3 years ago

10=2/3n+8<br>what is n ?

alexira [117]

The value of n in the given equation is -2.6

Step-by-step explanation:

Given,

10 = $\frac{2}{3n+8}$

To find the value of n

10 = $\frac{2}{3n+8}$

or, 10(3n+8) = 2 [ by cross multiplication]

or, 30n + 80 = 2

or, 30n = 2-80 [ taking the constant values in one side]

or, 30n = -78

or, n = $\frac{-78}{30}$

or, n = -2.6

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3 years ago

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Sonbull [250]

Answer:

Step-by-step explanation:

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The radius of a cylindrical construction pipe is 1.5ft. If the pipe is 18ft long, what is its volume? Use the value 3.14 for π ,

olya-2409 [2.1K]

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=1.5\\
h=18
\end{cases}\implies V=\pi \cdot 1.5^2\cdot 18$

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3 years ago

Find the distance from the origin to the graph of 4x-y+8=0

kupik [55]

Answer:

$x=\frac{1}{4}y-2$

Step-by-step explanation:

x= 1 over 4y-2

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4 years ago