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stepladder [879]
2 years ago
9

7h=−(2h−18) solve for h please somebody help

Mathematics
2 answers:
beks73 [17]2 years ago
8 0
I agree with what the other person said
____ [38]2 years ago
4 0

Since there's a negative in front of the parenthesis, it switches the values inside. So that it's -2h+18=7h. h = 2

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Find the indicated probability. round to three decimal places. a test consists of 10
Charra [1.4K]

To answer this problem, we use the binomial distribution formula for probability:

P (x) = [n! / (n-x)! x!] p^x q^(n-x)

Where,

n = the total number of test questions = 10

<span>x = the total number of test questions to pass =   >6</span>

p = probability of success = 0.5

q = probability of failure = 0.5

Given the formula, let us calculate for the probabilities that the student will get at least 6 correct questions by guessing.

P (6) = [10! / (4)! 6!] (0.5)^6 0.5^(4) = 0.205078

P (7) = [10! / (3)! 7!] (0.5)^7 0.5^(3) = 0.117188

P (8) = [10! / (2)! 8!] (0.5)^8 0.5^(2) = 0.043945

P (9) = [10! / (1)! 9!] (0.5)^9 0.5^(1) = 0.009766

P (10) = [10! / (0)! 10!] (0.5)^10 0.5^(0) = 0.000977

Total Probability = 0.376953 = 0.38 = 38%

<span>There is a 38% chance the student will pass.</span>

7 0
2 years ago
Pls help this is due soon
leva [86]

Answer:

1/2^4

Step-by-step explanation:

4 0
2 years ago
(x³)² × x⁴ = ?<br>(it won't lemme type short)​
Alex73 [517]

Answer:

We have x^3^2 which is x^3*2 = x*6 times x*4 which is x*10

Hope this helped and brainliest please

4 0
2 years ago
WHATS THE ANSWER ILL GIVE BRAINLIEST.
Gemiola [76]
A I’m pretty sure!!!
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2 years ago
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vesna_86 [32]
The possible different outcomes are: c. 6 outcomes.
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hope this help
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2 years ago
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