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AVprozaik [17]
3 years ago
8

Which pair of figures has the same number of faces as vertices

Mathematics
1 answer:
ira [324]3 years ago
3 0

Answer:

1.triangular prism and triangular pyramid

2. triangular prism and rectangular prism

3. rectangular pyramid and triangular pyramid

4. rectangular pyramid and rectangular prism

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Pls help u need to simplify an equation but write the answer as a power
eduard

Raise  

3.8

to the power of  

12

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9065737.90849499  

8 0
3 years ago
(03.05 MC)
vagabundo [1.1K]

Answer:

I can not answer for some reason

i am so so sorry i really was trying

Step-by-step explanation:

6 0
2 years ago
A certain disease has an incidence rate of 0.1%. If the false negative rate is 8%
defon

Answer: 0.31 or 31%

Let A be the event that the disease is present in a particular person

Let B be the event that a person tests positive for the disease

The problem asks to find P(A|B), where

P(A|B) = P(B|A)*P(A) / P(B) = (P(B|A)*P(A)) / (P(B|A)*P(A) + P(B|~A)*P(~A))

In other words, the problem asks for the probability that a positive test result will be a true positive.  

P(B|A) = 1-0.02 = 0.98 (person tests positive given that they have the disease)

P(A) = 0.009 (probability the disease is present in any particular person)

P(B|~A) = 0.02 (probability a person tests positive given they do not have the disease)

P(~A) = 1-0.009 = 0.991 (probability a particular person does not have the disease)

P(A|B) = (0.98*0.009) / (0.98*0.009 + 0.02*0.991)

= 0.00882 / 0.02864 = 0.30796

*round however you need to but i am leaving it at 0.31 or 31%*

If you found this helpful please mark brainliest

3 0
2 years ago
Brad says that if a second number is 125% of the first number, then the first number must be 75% of the second number. Is he cor
olga55 [171]

Answer: He is not correct.

Steps:

Let x1 and x2 be the first and second number, respectively.

x_2 = \frac{5}{4}x_1\\\frac{4}{5}x_2 =x_1

In words, if the second is 125%, or 5/4 of the first number (first equation),

then the first is 4/5 of the second, which is 0.8 or 80%.

8 0
2 years ago
Someone help me I need to get this finished by tomorrow ASAP
zysi [14]
X=2 shown in the work below.

4 0
3 years ago
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