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alexandr402 [8]
3 years ago
15

What is 2+8-y equal to

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0

Answer:

0.25

Step-by-step explanation:

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Use the recursive function for the geometric sequence 2,-6,18 and -54 to represent the 9th term
geniusboy [140]

Answer:

A

Step-by-step explanation:

A recursive formula allows the term in a sequence to be obtained from the previous term.

To find any term in the sequence multiply the previous term by the common ratio r

r = - 6 ÷ 2 = 18 ÷ - 6 = - 3

Thus the 9 th term can be found using

f(9) = f(8) × - 3 = - 3f(8) → A

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3 years ago
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please help!! 20 points for answering. if you guess without explanation or just say something to just get points i’ll make sure
ycow [4]
It is A!!!!!!!! :) lmk if it’s not correct please!
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Which expression is equivalent to 6 x + 8?
murzikaleks [220]
2(3x+4) you multiply 2 times 3x and 2 times 4 which gives you 6x+8
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What is x^2 -11x+19=-5 as standard form?
IrinaVladis [17]

Answer:

<em>Standard Form; x^2 - 11x + 24 = 0</em>

Step-by-step explanation:

Simplify rewrite such that the quadratic equation has 0 isolated on the right or left side, most commonly right side;

x^2 - 11x + 19 = - 5 ⇒ Add 5 on either side of equation,

<em>Standard Form; x^2 - 11x + 24 = 0</em>

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3 years ago
Billy has some nickels and dimes worth $3.25. He has 3 times as many nickels as dimes. How many nickels does he have?
geniusboy [140]

3d=n

10d+5n=325

10d+15d=325

25d=325

d=13

n=39

Hope this helps.

頑張って!

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