3 years ago

What is an algebraic expression for each word phrase?

Mathematics

1 answer:

julia-pushkina [17]3 years ago

5 0

Answer: a. n+16

b. n-22

c. 3xn

d. n/12

Step-by-step explanation:

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3 years ago

DONT UNDERSTAND PLEESE HELP<br> HOW TO FIND A RECTANGULAR PRISM WITH FRACTIONS LIKE 2/7 3/7 AND 4/7

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Step-by-step explanation:

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3 years ago

Four pounds of gas occupy 10ft^3. What would be it’s density and specific gravity

never [62]

Answer:

$\large \boxed{\text{ 0.4 lb/ft}^{3}; 5}$

Step-by-step explanation:

1. Density

$\begin{array}{rcl}\text{Density} & = & \dfrac{\text{Mass}}{\text{Volume}}\\\\& = & \dfrac{\text{4 lb}}{\text{10 ft}^{3}}\\\\& = &\textbf{0.4 lb/ft}^{\mathbf{3}}\\\end{array}\\\text{The density of the gas is $\large \boxed{\textbf{ 0.4 lb/ft}^{\mathbf{3}}}$}$

2. Specific gravity

Specific gravity (sp gr) is the ratio of the density of the density of a gas to the density of dry air at standard temperature and pressure.

At IUPAC standard temperature and pressure (0 °C and 100 kPa), dry air has a density of 0.080 lb/ft³.

$\begin{array}{rcl}\text{Sp gr}& = & \dfrac{\rho_{\text{gas}}}{\rho_{\text{dry air}}}\\\\& = & \dfrac{\text{0.4 lb/ft}^{3}}{\text{0.080 lb/ft}^{3}}\\\\& = &\mathbf{5}\\\end{array}\\\text{The specific gravity of the gas is $\large \boxed{\mathbf{5}}$}$

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3 years ago

Consider following equation m=y2-y1/x2-x1 find slope

strojnjashka [21]

This the definition for slope. M=slope.
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2. Explanation

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