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Fantom [35]
3 years ago
5

Find an equation for the nth term of the sequence. -4, -16, -64, -256, ...

Mathematics
2 answers:
Hoochie [10]3 years ago
7 0
Common ratio = 4
Starts at -4

So the equation is n = -4 *4^(n-1)

Andrews [41]3 years ago
5 0
This is a geometric sequence  with first term a1 = -4 and common ratio r = 4

so nth term  = a1* r^(n-1)

                   = -4 *4^(n-1)
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Archie builds a pool in his backyard. The pool measures 16 yards long, 6 yards wide and 2 yards deep. How many gallons of water
Papessa [141]

Answer:

gallons of water = 38784 gallons

Step-by-step explanation:

He builds a pool in his backyard .The pool measures 16 yards long, 6 yards wide and 2 yards deep. The pool is a rectangular prism. The number of gallons it can take to fill the pool can be calculated when we know the volume of the pool. Therefore,

volume of the pool = length × width × height

volume = lwh

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192 cubic yards = ?  gallons

cross multiply

gallons of water = 192 × 202

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8 0
3 years ago
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Alekssandra [29.7K]
(2x-8)(7x+5)=0

2x-8=0
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X=-5/7

X=4, x=-5/7

Hope this helps :)
7 0
3 years ago
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MrRissso [65]

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Step-by-step explanation:

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Step-by-step explanation:

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