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jonny [76]
3 years ago
6

Which piece of wood would be the shortest 1/3 1/4 2/5 or3/10

Mathematics
2 answers:
VladimirAG [237]3 years ago
6 0
1/4 because you need to find common denominators.
nadya68 [22]3 years ago
3 0
3/10 that's what the answer is
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What is 2 1/4 times 3/4
IceJOKER [234]

Answer:

3

Step-by-step explanation:

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3 years ago
How many solutions does this equation have?
fenix001 [56]
Answer: exactly one solution

Explanation: first we have to solve it. so in 2 + 6x = 3x + 3 we have to subtract 2 from both sides and we get 6x = 3x + 1. then, we subtract 3x from both sides and we get 3x = 1. we divide both sides by 3 and get x = 1/3, which is the only solution.

hope this helped!
6 0
3 years ago
A certain virus infects one in every 200 people. a test used to detect the virus in a person is positive 70​% of the time when t
V125BC [204]

We're told that

P(A)=\dfrac1{200}=0.005\implies P(A^C)=0.995

P(B\mid A)=0.7

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a. We want to find P(A\mid B). By definition of conditional probability,

P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}

By the law of total probability,

P(B)=P(B\cap A)+P(B\cap A^C)=P(B\mid A)P(A)+P(B\mid A^C)P(A^C)

Then

P(A\mid B)=\dfrac{P(B\mid A)P(A)}{P(B\mid A)P(A)+P(B\mid A^C)P(A^C)}\approx0.0657

(the first equality is Bayes' theorem)

b. We want to find P(A^C\mid B^C).

P(A^C\mid B^C)=\dfrac{P(A^C\cap B^C)}{P(B^C)}=\dfrac{P(B^C\mid A^C)P(A^C)}{1-P(B)}\approx0.9984

since P(B^C\mid A^C)=1-P(B\mid A^C).

4 0
3 years ago
Spanish class has a total of 30 students. The number of males is 12 more than the number of females. How many males and how many
docker41 [41]

Answer:

21, 9

Step-by-step explanation:

If girls are x, then boys are x + 12

x + x + 12 = 30

2x + 12 =  30

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x = 9

There are 9 girls and 21 boys

8 0
2 years ago
Read 2 more answers
Solution for 3^3x=9^x+4
Aliun [14]
3^3+9=77 if I'm wrong I'm sorry I just guess
3 0
3 years ago
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