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xeze [42]
3 years ago
14

Select all the ordered pairs that are solutions to the equation 2x+y=−12. (−10, 8) (−9, −6) (−8, −2) (0, −12) (4, −20)

Mathematics
1 answer:
ELEN [110]3 years ago
4 0

Answer:

(-10,8), (0,-12), (4,-20)

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47÷10+86×450 I just need to figure this out I need help
Nonamiya [84]
Use PEMDAS, which stands for Parenthesis, Exponents, Multiply, Divide, Add, and Subtract. 
First multiply, so 86 x 450 = 38700, and then divide 47 divided by 10, which is 4.7, and then add 4.7 plus 38700, which would give you 38704.7
3 0
3 years ago
Add<br> 6 3/5 + (-6 1/3<br> Enter your answer as a simplified fraction in the box
Sholpan [36]
Okay so basically the answer would be 4/15
8 0
3 years ago
1. What does c(3) = 60 mean in terms of the problem?
drek231 [11]
C=20 I think the answer is that
3 0
3 years ago
Bad gums may mean a bad heart. Researchers discovered that 82% of people who have suffered a heart attack had periodontal diseas
saveliy_v [14]

Answer:

37.27% probability that he or she will have a heart attack.

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Periodontal disease

Event B: Heart attack

Researchers discovered that 82% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums.

This means that P(A|B) = 0.82

Only 33% of healthy people have this disease.

This means that P(A) = 0.33

Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability.

This means that P(B) = 0.15

If someone has periodontal disease, what is the probability that he or she will have a heart attack

P(B|A) = \frac{0.15*0.82}{0.33} = 0.3727

37.27% probability that he or she will have a heart attack.

6 0
3 years ago
Plz really ned help on this really easy!! simplify: 4(5x + 12) Thank you all in advance!!!
Katarina [22]
4(5x + 12) simplified = 20x + 48
4 0
3 years ago
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