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Triss [41]
4 years ago
12

What six time twentyone

Mathematics
1 answer:
yarga [219]4 years ago
4 0

126 is the answer you are looking for


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Can someone PLZZZZ HELP!!!!
swat32

Answer:

The solution is:

Part A. \sqrt{5}^{\frac{7k}{3}}) which is sqrt(5)^7k/3[/tex]

Part B. k = 18/7

Step-by-step explanation:

Part A.

To solve this part, we're going two use THREE important properties of exponents:

1. (x^{n})^{m} = x^{nm}

2. \frac{x^{n}}{x^{m}} = x^{n-m}

3. \sqrt[n]{x^{m}} = x^{\frac{m}{n} }

Let's work the numerator using the properties 1, 2 and 3:

(\sqrt{5}^{3} )^{\frac{k}{9} } }  = (\sqrt{5}^{3\frac{k}{9}}) = (\sqrt{5}^{\frac{k}{3}})

Let's work the denominator using the properties 1, 2 and 3:

(\sqrt{5}^{6} )^{-\frac{k}{3} } }  = (\sqrt{5}^{6\frac{k}{3}}) = (\sqrt{5}^(2k))

Now dividing the numerator by the denominator:

\sqrt{5}^{\frac{k}{3}-(-2k)})=\sqrt{5}^{\frac{7k}{3}})

Part B

if 5^{\frac{3}{2} } 5^{\frac{3}{2}} = \sqrt{5}^{\frac{7k}{3}})

Then:

5^{3} = 5^{\frac{7k}{6}})

So \frac{7k}{6}} = 3

Solving for k, we have:

k = 18/7

7 0
4 years ago
I'm almost done !!! thanks for the help
alexdok [17]

answer:

i believe the answer is "a"

good luck :) hopefully, this helps

have a great day !!

4 0
3 years ago
Read 2 more answers
Find the equation of the line (in slope intercept form) with xx-intercept (4.5,0) and yy-intercept (0,-5.4) .
GaryK [48]
Hello : 
let the equation : y = ax+b
<span>xx-intercept (4.5,0) :    0 = a(4.5) +b .... (1)
</span><span>yy-intercept (0,-5.4) .: - 5.4 = a(0)+ b  .....(2)
by (2) : b = - 5.4
subsct in (1) : 4.5a -5.4 = 0
a = 5.4/4.5
a = 54/45
a = 6/5
</span><span>the equation of the line (in slope intercept form) is : y =(6/5)x - 5.4</span>
8 0
4 years ago
Use the quadratic formula to solve the equation. Round to the nearest hundredth if needed.
klasskru [66]
The answer is above.

8 0
3 years ago
How many seconds in 35 minutes
topjm [15]
All you have to do is multipy the amount of minutes by 60 seconds because there are 60 seconds in every minute.
35 minutes x 60 seconds
2100 secods
3 0
3 years ago
Read 2 more answers
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