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VikaD [51]
3 years ago
9

How do I work all of these out separately

Mathematics
1 answer:
umka21 [38]3 years ago
6 0
I)
7^0 = 1

ii)
5^-1 = 1/5

iii)
9^1/2 = √9 = <span>√3^2 = 3

hope that helps</span>
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What are the values of x in the following equation:
wariber [46]
OK.  Concentrating only on the first log, here's how it works out:

               log [  x · (6x + 1) ]  =  log (6x² + x) .

Now looking at the whole left side, it says

                          log (6x² + x)  - log (x)

which is            log [ (6x² + x) / x ]

                     =  log (6x + 1).

So now we have

                                            log (6x + 1)  =  7

Raise 10 to the
power of each side:            6x + 1  =  10⁷

                                              6x         =  9,999,999

                                                x         =  9,999,999 / 6

                                                           =  1,666,666.5       

This number works when you plug it into the original equation.

I'm sorry, but just now, I don't see where a second solution would come from.
4 0
3 years ago
Write the equation of the line
Neporo4naja [7]

Answer:

y=-3/2x+4

Step-by-step explanation:

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Find the volume of the cylinder.
Vaselesa [24]

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Step-by-step explanation:

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What is the volume of the composite figure? 1,200 units3 4,400 units3 5,040 units3 6,000 units3
swat32

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Step-by-step explanation:

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In the xy -coordinate plane, the coordinates of point s are (-2,-6), and coordinates of point T are (18,9). Point Q lies on line
ira [324]

Answer:

(6,0)

Step-by-step explanation:

The coordinates of the points dividing the line segment in ratio m:n can be calculated as:

(\frac{mx_{2}+nx_{1}}{m+n} ,\frac{my_{2}+ny_{1}}{m+n} )

Here x1, y1 are the coordinates of first point S (-2, -6) and x2, y2 are the coordinates of second point T(18, 9).

In this case m will be 2 and n will be 3 as the ratio is 2:3

Using all these values we can find the coordinates of point Q

( \frac{2(18)+3(-2)}{2+3},\frac{2(9)+3(-6)}{2+3} )\\\\ = (\frac{30}{5} ,\frac{0}{5} )\\\\ =(6,0)

Thus, the coordinates of point Q which divides the line segment ST in ratio of 2:3 are (6,0)

5 0
3 years ago
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