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Furkat [3]
3 years ago
5

All triangles are the same I need surface area !!!!

Mathematics
1 answer:
kow [346]3 years ago
6 0
Split the square in half what is it? Two triangles add two triangles together 127 + 127 = 254 the surface area is 254
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3t^2+10t+7<br> factor im confused what im doing
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Answer:

(3t + 7) (t + 1)

Step-by-step explanation:

3t^2 + 10t + 7

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3t (t+1) 7 (t+1)

(3t+7) (t+1)

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6/b-1=9/7 solve the proportion
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Answer:

Step-by-step explanation:

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Solve -3y + 12 = -48
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Answer:

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3 years ago
A manufacturer of televisions subjects the equipment to a comprehensive testing process for all essential functions before the t
Scorpion4ik [409]

Answer:

The probability is   P(X \le 9) =0.9138

Step-by-step explanation:

From the question we are told that

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    The sample size is  n  =  10

Generally the comprehensive testing process for all essential functions  follows a binomial distribution  

i.e  

         X  \~ \ \ \  B(n , p)

and the probability distribution function for binomial  distribution is  

      P(X = x) =  ^{n}C_x *  p^x *  (1- p)^{n-x}

Here C stands for combination hence we are going to be making use of the combination function in our calculators      

    Generally the probability that at least 9 pass the test is mathematically represented as

     P(X \le 9) =  P(X = 9) + P(X = 10 )

=>  P(X \le 9) = [^{10}C_9 *  (0.95)^9 *  (1- 0.95)^{10-9}]+ [^{10}C_{10} *  {0.95}^{10} *  (1- 0.95)^{10-10}]

=> P(X \le 9) = [10 *  0.6302  * 0.05 ]+ [1 *0.5987 * 1 ]

=> P(X \le 9) =0.9138

8 0
3 years ago
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