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Ket [755]
3 years ago
10

{7,21,63,189,..} write a rule for the geometric sequence

Mathematics
1 answer:
sweet [91]3 years ago
8 0

Answer:

a7=a3 ^n-1

Step-by-step explanation:

:) Good day

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I have 3 slots left and 3 answers left. Fill them in pls and u get a brainlist :)
gulaghasi [49]

Answer:

Water (one oxygen atom bonded to two hydrogen atoms)

Step-by-step explanation:

The chemical formula for water is H²O. The H is the chemical symbol for Hydrogen and O is the chemical symbol for Oxygen. The 2 is a subscript which represents how many atoms of a certain element are in a molecule. In this case, the subscript ² comes after H, indicating that there are two Hydrogen atoms inside water. There is no subscript after O, meaning there is only one Oxygen atom. Therefore, there are two Hydrogen atoms and one Oxygen atom that bond to form water. Hope this helps :))

4 0
3 years ago
PLEASEEEEEEEEEE HELPPP
Arlecino [84]
It is trustworthy if it is a source that is seen often with a recent date.
4 0
2 years ago
Which is the first step needed to solve by substitution?
fredd [130]
\begin{gathered} -x+y=-1 \\ 2x-y=3 \end{gathered}

To solve the given system of equations for substitution you:

1. Solve in one of the equations a variable.

For the given options the one that is correct is solve the first equation for y, by adding x to both sides:

\begin{gathered} -x+x+y=-1+x \\ y=-1+x \end{gathered}

4 0
2 years ago
Solve for p -10p = -40 ???
scoundrel [369]

Answer:

p = 40/9

Step-by-step explanation:

p - 10p = -40

-9p = -40

p = -40/(-9

p = 40/9

8 0
3 years ago
Draw like this .<br>................
Molodets [167]

Answer:

im sorry what ???

Step-by-step explanation:

i cant draw like that i only have 2 hands :(

7 0
3 years ago
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