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fomenos
3 years ago
14

Please help me 7th grade Math

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

1/6

Step-by-step explanation:

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3/2

Step-by-step explanation:

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Find the value of each variable in the parallelogram
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Answer:

x = 9

y = 15

Step-by-step explanation:

x = 9

y = 15

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5 0
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A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu
Nitella [24]

Answer: 0.9730

Step-by-step explanation:

Let A be the event of the answer being correct and B be the event of the knew the answer.

Given: P(A)=0.9

P(A^c)=0.1

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If it is given that the answer is correct , then the probability that he guess the answer P(B|A)= 1

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=\dfrac{(1)(0.9)}{(1))(0.9)+(0.25)(0.1)}\\\\=0.972972972973\approx0.9730

Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

7 0
3 years ago
PLEASE HELP DUE IN 30 MINUTES
Vladimir79 [104]
<span>(a) At the end of Month 0, about how many more insects were in Pod A than Pod B? Explain.
In Pod A, the point is higher than 50, it could be 60 to 70 insects. Pod B has 20 insects. So, Pod A has at least 40 insects more than Pod B.

(b) Find and compare the growth rates of each pod. Show your work.
Pod A: (0,60) ; (1,80) ; (2,100) 
(80-60)/60 = 0.33
(100-80)/80 =  0.25

Pod B: (0,20) ; (1,44) ; (2,97)
(44-20)/20 = 1.2
(97-44)/44 = 1.2

Based on my computation, the rate of Pod A is lower than the rate of Pod B. 

(c) When does the population in Pod B exceed the population in Pod A? Explain. 
Pob B exceeds the population of Pod A at the END OF MONTH 4.

Pod A has a population of less than 200 while Pod B has a population of 469.</span>
5 0
3 years ago
I need help on question 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 please
Keith_Richards [23]

Answer:

The solution is given in the photo

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2 years ago
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