$\bf 81^{\frac{3}{4}}~~ \begin{cases} 81=&3\cdot 3\cdot 3\cdot 3\\ &3^4 \end{cases}\qquad \implies (3^4)^{\frac{3}{4}}\implies 3^{4\cdot \frac{3}{4}}\implies 3^1\implies 3$

7 0

3 years ago

The formula <img src="https://tex.z-dn.net/?f=X%3D%20%5Cfrac%7BD%7D%7B1-h%7D" id="TexFormula1" title="X= \frac{D}{1-h}" alt="X=

Debora [2.8K]

X = D/(1 - h)
1 - h = D/x
h = 1 - D/x

D = 400, X = 4000
h = 1 - 400/4000
h = 1 - 0.1 = 0.9

3 0

3 years ago

Find the common ratio for the sequence: <br><br> 24, 18, 27/2, 81/8 , . . . .

marissa [1.9K]

Answer:

as we know,

common ratio=t2/t1

= 18/24

=3/4

8 0

3 years ago

If X plus four equals to negative seven what is X?

enyata [817]

The answer is x= -11

8 0

3 years ago

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One array showing the factor pair of three and six would have three rows of six objects true or false￼￼

One array showing the factor pair of three and six would have three rows of six objects true or false