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3 years ago

I need help with this please

Mathematics

1 answer:

Margarita [4]3 years ago

6 0

Answer:

correspondía

Step-by-step explanation:

because, tienes que. dividirlo entre dos

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4x-9/y+11=0,6/y-3x=8

miskamm [114]

Answer: x=−2,y=3

Step-by-step explanation:

Hope this helps you! Have a good day!

4 0

3 years ago

14=4x-6<br><img src="https://tex.z-dn.net/?f=14%20%3D%204x%20-%206" id="TexFormula1" title="14 = 4x - 6" alt="14 = 4x - 6" align

Alex17521 [72]

Answer:

14=4x - 6

14+6=4x

20=4x

x=5

5 0

4 years ago

Help me pleaseeeee :(

Sergeu [11.5K]

Answer:

-4

Step-by-step explanation:

7 0

3 years ago

Find an explicit rule for the nth term of the sequence.The second and fifth terms of a geometric sequence are 18 and 144, respec

vova2212 [387]

Given:

second term = 18

fifth term = 144

The nth term of a geometric sequence is:

$\begin{gathered} a_n\text{ = ar}^{n-1} \\ Where\text{ a is the first term} \\ r\text{ is the common ratio} \end{gathered}$

Hence, we have:

$\begin{gathered} \text{ar}^{2-1}\text{ = 18} \\ ar\text{ = 18} \\ \\ ar^{5-1}=\text{ 144} \\ ar^4\text{ =144} \end{gathered}$

Divide the expression for the fifth term by the expression for the second term:

$\begin{gathered} \frac{ar^4}{ar}\text{ = }\frac{144}{18} \\ r^3\text{ = }\frac{144}{18} \\ r\text{ = 2} \end{gathered}$

Substituting the value of r into any of the expression:

$\begin{gathered} ar\text{ = 18} \\ a\text{ }\times\text{ 2 = 18} \\ Divide\text{ both sides by 2} \\ \frac{2a}{2}\text{ =}\frac{18}{2} \\ a\text{ = 9} \end{gathered}$

Hence, the explicit rule for the sequence is:

$a_n\text{ = 9\lparen2\rparen}^{n-1}$

5 0

2 years ago

Please help me!!!!!!

True [87]

Answer:

y = 28, 16 , 4 , -8 , -20

Hope this helps.

3 0

3 years ago

I need help with this please​

I need help with this please