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3 years ago

The equation y = 8.1x models the relationship between the number of hours Alexander works, x, and the dollar

Mathematics

1 answer:

Lady_Fox [76]3 years ago

7 0

Answer: I don't understand. Where are the ANSWERS?

Step-by-step explanation:

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HELP!!! 20 POINTS!!! URGENT!!!

VashaNatasha [74]

We know that :

$\clubsuit$ $ln(A) - ln(B) = ln(\frac{A}{B})$

$\clubsuit$ $aln(x) = ln(x)^a$

$\clubsuit$ $ln(A) + ln(B) = ln(AB)$

Using above ideas we can solve the Problem :

⇒ $\frac{3}{8}ln(x + 3) = ln(x + 3)^\frac{3}{8}$

⇒ $ln(x - 3) - ln(x + 3)^\frac{3}{8} = ln[\frac{(x - 3)}{(x + 3)^\frac{3}{8}}]$

⇒ $4ln[\frac{(x - 3)}{(x + 3)^\frac{3}{8}}] = ln[\frac{(x - 3)}{(x + 3)^\frac{3}{8}}]^4 = ln[\frac{(x - 3)^4}{(x + 3)^\frac{3}{2}}]$

⇒ $\frac{1}{3}lnx + ln[\frac{(x - 3)^4}{(x + 3)^\frac{3}{2}}] = ln(x)^\frac{1}{3} + ln[\frac{(x - 3)^4}{(x + 3)^\frac{3}{2}}] = ln[\frac{\sqrt[3]{x}(x - 3)^4}{\sqrt{(x + 3)^{3}}}]$

Option 3 is the Answer

8 0

3 years ago

In ΔIJK, the measure of ∠K=90°, KJ = 65, IK = 72, and JI = 97. What is the value of the cosine of ∠J to the nearest hundredth?

kow [346]

Answer:

$\cos(J) = 0.67$

Step-by-step explanation:

Given

$\angle K = 90^o$

$KJ = 65$

$IK = 72$

$JI = 97$

Required

$\cos(J)$

The question is illustrated with the attached image.

From the image, we have:

$\cos(J) = \frac{KJ}{JI}$

This gives:

$\cos(J) = \frac{65}{97}$

$\cos(J) = 0.67010309278$

$\cos(J) = 0.67$ --- approximated

7 0

4 years ago

Please help this is kind of confusing

faltersainse [42]

Answer:

Step-by-step explanation:

(2x + 3) + (x - 6) = 180

3x - 3 = 180

3x = 183

x = 61

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%202%20-%20x%20%5E%7B2%7D%20%20%2B%20x%20%20%7B%7D%5E%7B3%7D%20" id="TexFormula1" title=" 2 -

geniusboy [140]

Answer:

2-x^2+x^3

Step-by-step explanation:

The expression 2-x^2+x^3 can't be simplified further since the terms in the expression are unlike terms.

Hope this helps ;) ❤❤❤

3 0

4 years ago

A line passes through the origin and the ping 3,5 what is the slope of the line

Phoenix [80]

I guess ping means point!

Slope = 5/3

The equation is y = 5/3 x

3 0

3 years ago