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3 years ago

The greatest number of cubical blocks, 4 inches on each edge, that can be used to fill a cubical box, 2 ft on each edge, is

Mathematics

1 answer:

kobusy [5.1K]3 years ago

7 0

La respuesta correcta es la A

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choli [55]

What are we supposed to solved X or Y, what kind of answer need be for specific please

4 0

2 years ago

Find a homogeneous linear differential equation with constant coefficients whose general solution is given by

frez [133]

Answer:

$y" + 2y' + 2y = 0$

Step-by-step explanation:

Given

$y=c_1e^{-x}cosx+c_2e^{-x}sinx$

Required

Determine a homogeneous linear differential equation

Rewrite the expression as:

$y=c_1e^{\alpha x}cos(\beta x)+c_2e^{\alpha x}sin(\beta x)$

Where

$\alpha = -1$ and $\beta = 1$

For a homogeneous linear differential equation, the repeated value m is given as:

$m = \alpha \± \beta i$

Substitute values for $\alpha$ and $\beta$

$m = -1 \± 1*i$

$m = -1 \± i$

Add 1 to both sides

$m +1= 1 -1 \± i$

$m +1= \± i$

Square both sides

$(m +1)^2= (\± i)^2$

$m^2 + m + m + 1 = i^2$

$m^2 + 2m + 1 = i^2$

In complex numbers:

$i^2 = -1$

So, the expression becomes:

$m^2 + 2m + 1 = -1$

Add 1 to both sides

$m^2 + 2m + 1 +1= -1+1$

$m^2 + 2m + 2= 0$

This corresponds to the homogeneous linear differential equation

$y" + 2y' + 2y = 0$

6 0

3 years ago

I’m thinking of two numbers. Their greatest common factor is 6. Their least common multiple is 36. One of the numbers is 12. Wha

Elden [556K]

The number of all divisors of 6 
6 multiples of the number 18 we find one of
so the answer is 18

5 0

3 years ago

Read 2 more answers

Type the expression that results from the following series of steps: start with x, divide 6, then subtract 1

Alexus [3.1K]

Answer:

x/6 - 1

Step-by-step explanation:

x divide 6 subtract 1

4 0

3 years ago

If 2x - 3y = 24 and 3x + 4y = 2, what is the value of x - y?

ruslelena [56]

Answer:

Step-by-step explanation:

y = -4

x = 6

x-y = 6-(-4) = 6+4 = 10

8 0

3 years ago