The formula used to find the length of a line segment in space.

2 answers:

4 0

It's the same formula as the one used on Earth. It is based on the Pythagorean theorem.

length = √((∆x)^2 +(∆y)^2 +(∆z)^2)
.. where ∆x, ∆y, ∆z are the differences between the end-point coordinates in the x-, y-, and z-directions, respectively.

monitta4 years ago

4 0

if youre doing the vocab thing -- Distance

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What is the following logarithmic equation in exponential form: log2(x^4 -3) = 4

Harman [31]

Answer:

$2^{4}$ = $x^{4}$ - 3

Step-by-step explanation:

recall for a logrithimic expression,

$log_{b}$ (c)=a, can be expressed as $b^{a} = c$

hence for our question

$log_{2}$ [ (x^4) -3] = 4

can be expressed as

$2^{4}$ = $x^{4}$ - 3

8 0

3 years ago

When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expressions

lisabon 2012 [21]

Answer:

$2.4x-4.4$

Step-by-step explanation:

Given the following question:

$0.3(4x-8)-0.5(-2.4x+4)$

To simplify the expression, we are going to need to rewrite the expression by expanding the terms and then solve by using the distributive property. Then we combine like terms in till the expression can no longer be simplified to find our answer.

$0.3(4x-8)-0.5(-2.4x+4)$
$0.3(4x-8)$
$0.3\times4=1.2x$
$0.3\times4=2.4$
$1.2x-1.2-0.5(-2.4x+4)$
$-0.5(-2.4x+4)$
$-0.5\times-2.4=1.2$
$-0.5\times4=-2$
$1.2-2$
$1.2x-2.4+1.2x-2$
$1.2+1.2=2.4x$
$-2.4+-2=-4.4$
$=2.4x-4.4$

Your answer is "2.4x - 4.4."

Hope this helps.