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zloy xaker [14]
1 year ago
6

Help im low on my grade and it would help me alot

Mathematics
1 answer:
AnnyKZ [126]1 year ago
3 0

Answer:

3.5

Step-by-step explanation:

1 - (-2.5)   =   1 +   2.5   = 3.5

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Find the first 4 terms of the geometric sequence a1=40 and r=0.5
DedPeter [7]
For the answer to the question above, 
a1 = 40 
<span>a2 = 20 </span>
<span>a3 = 10 </span>
<span>.. </span>
<span>aN = (1/2^N-1) a1 { in general aN= (r^N-1) A1 </span>

<span>a5 = (1/2^4) 40 = 40/16 = 2.5
</span>
So the answer to your question is 2.5
I hope my answer helped you. Feel free to ask more questions. Have a nice day!
5 0
3 years ago
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Suppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find the variance. Round answer to 4 d
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Answer:

<u><em>a) P(X=1) = 0.302526</em></u>

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<u><em>e) P(X≥5) = 0.010935</em></u>

<u><em>f) P(X≤4) = 0.989065</em></u>

<u><em></em></u>

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<u><em>If helpful, please mark as brainliest! =)</em></u>

8 0
3 years ago
What’s the slope of x+2y=-8?
mash [69]

Answer:

- 1/2

Step-by-step explanation:

We use the slope-intercept form to figure out our slope.

y = mx + b

Get y alone:

x + 2y = -8

2y = -x - 8

y = -x/2 - 4

Since m is the slope in y = mx + b, we can see that -1/2 is in the place of m, therefore our slope is -1/2

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Answer:

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Vanyuwa [196]

Answer:

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Step-by-step explanation:

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