Solve for s. s 4 − 2 = 2 s =

Mathematics

1 answer:

Scrat [10]3 years ago

8 0

Answer:

is 2

Step-by-step explanation:

is 2 why yes

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Solve 5x – 2 = 13 show your work

aniked [119]

Answer:

x = 3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

5x - 2 = 13

Step 2: Solve for x

Add 2 on both sides: 5x = 15
Divide 5 on both sides: x = 3

6 0

3 years ago

A fluid has density 810 kg/m3 and flows with velocity v = z i + y2 j + x2 k, where x, y, and z are measured in meters and the co

mixas84 [53]

Denote the cylindrical surface by $S$ , and its interior by $R$ . By the divergence theorem, the integral of $\vec v$ across $S$ (the outward flow of the fluid) is equal to the integral of the divergence of $\vec v$ over the space it contains, $R$ :

$\displaystyle\iint_S\vec v\cdot\mathrm d\vec S=\iiint_R(\nabla\cdot\vec v)\,\mathrm dV$

The given velocity vector has divergence

$\vec v=z\,\vec\imath+y^2\,\vec\jmath+x^2\,\vec k\implies\nabla\cdot\vec v=\dfrac{\partial(z)}{\partial x}+\dfrac{\partial(y^2)}{\partial y}+\dfrac{\partial(x^2)}{\partial z}=2y$