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3 years ago

22 gallons of 16% amonia to make 24% which equation can be used to find n

Mathematics

2 answers:

Stels [109]3 years ago

8 0

The equation that can be used to find n is G = gallons

Serggg [28]3 years ago

5 0

Answer:

Step-by-step explanation:

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Equation of the line passing through (7,5) and (1, 2)

Trava [24]

Answer:

$y = \frac{1}{2}x + \frac{3}{2}$

Step-by-step explanation:

Assuming this is a linear equation in the form of $y = mx + b$ , we can first solve for the slope using $\frac{y_2 - y_1}{x_2 - x_1}$ , for these points, the slope would be $\frac{1}{2}$ . Now we plug in the points to get the equation:

plugging in (7,5), we get $5 = \frac{1}{2}$ × $7$ + $b$

and solving for b, we get b = $\frac{3}{2}$

therefore, the equation of the line passing through (7,5) and (1,2) is $y = \frac{1}{2}x + \frac{3}{2}$ .

hope this helps!

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2 years ago

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TiliK225 [7]

Answer:

1092

Step-by-step explanation:

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3 years ago

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A sphere has a volume of Vequals=3600 in cubedin3. Find its surface area.

Mice21 [21]

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad 
\begin{cases}
r=radius\\
------\\
V=3600
\end{cases}\implies 3600=\cfrac{4}{3}\pi r^3
\\\\\\
3600=\cfrac{4\pi r^3}{3}\implies \sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}=\boxed{r}\\\\
-----------------------------\\\\
\textit{surface area of a sphere}\\\\
S=4\pi r^2\implies S=4\pi \left(\boxed{\sqrt[3]{\cfrac{3\cdot 3600}{4\pi }}} \right)^2$

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Step-by-step explanation

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