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sattari [20]
3 years ago
8

HELPPP idk what the answer is

Mathematics
2 answers:
postnew [5]3 years ago
8 0

Answer:

yeah like what's the question?

Step-by-step explanation:

Arada [10]3 years ago
6 0

Answer:

what is the question

Step-by-step explanation:

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Please help!! Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66
fiasKO [112]
r=-4-(-9)=-4+9=5 \\  \\ a_{1}=-9 \\  \\ a_{n}=66 \\  \\ a_{n}=a_{1}+(n-1)r \\  \\ -9+5(n-1)=66 \\  \\ -9+5n-5=66 \\  \\ 5n-14=66 \\  \\ 5n=80 \\  \\ n=16 \\  \\ S_{n}= \frac{a_{1}+a_{n}}{2} *n \\  \\ S_{n}= \frac{-9+66}{2}*16=57*8=456
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3 years ago
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3 years ago
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3 years ago
Write each fraction in simplest form if the fraction is in simplest form write simplest form from 1-12
erica [24]
15. would be 1/2 because if you simplify 16/32 to 8/16 (dividing by 2 each time), then to 4/8, then 2/4, and lastly 1/2

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16. the answer would be 7/12 because if you divide 21/36 both by 3 you get 7/12 and you cant go any more simpler.
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3 years ago
Find the slope of the line that passes through the points (2,-10) and (-4,2).
PilotLPTM [1.2K]

Answer:

-0.5

Step-by-step explanation:

3 0
3 years ago
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