2 years ago

Write an equation for the nth term of the geometric sequence -4, 8, -16...

1 answer:

monitta2 years ago

4 0

Just keeping going with 16×-2=?×-2=?×-2 untill u get you your ninth nuber as well with tge 2 is a negative, so a a positive × a negative equal a negative and a negative × a negative equal

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mixas84 [53]

The formula of combination is

$nCr= \frac{n!}{(n-r)!r!}$

We have $n=14$ and $r=10$

$14C10= \frac{14!}{(14-10)!10!} = 1001$

Hence, there are 1001 ways of arranging 10 records from 14 records

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2 years ago

(4m-1)(m+2) Find Products (With Work Please!)

katrin2010 [14]

Answer:

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Step-by-step explanation:

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2 years ago

Given that f(x) = x² + 4x, evaluate f(-2). -4 -8 -12

Aleks [24]

f(x) = x² + 4x
so
f(-2) = (-2)² + 4(-2)
f(-2) = 4 - 8
f(-2) = -4

answer
-4

6 0

3 years ago

Read 2 more answers

How many integers between 100 and 400 contain the digit 2?

Semenov [28]

102, 112, 120-129, 132, 142, 152, 162, 172, 182, 192, 200-299, 302, 312, 320-329, 332, 342, 352, 362, 372, 382, 392
2+10+7+100+2+10+7
138 integers.

8 0

2 years ago