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Evgen [1.6K]
3 years ago
9

Matt reasoned that he can write 9/1,000 as 0.9. Is he correct? Explain your answer.

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0
No because 9/1,000 in decimals would be 0.009 because if the number was a 3 number then it would go in the tenths
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Aluminum usage in automobiles has been climbing steadily. As recently as 1990, there were no aluminum-structured passenger cars
lara [203]

Answer:

P(A U B)= 0.08

Step-by-step explanation:

1.Let:

P(A) as the probability that a psiton has an under-fill defect

P(B) as the probability that a pistón has a porosity defect

P(A ∩ B) the probability of having both defectos

Then:

P(A)=0.05

P(B)=0.04

P(A ∩ B)=0.01

2. The probability that a randomly chosen piston has a defect could be calcularse as the union of the probability of choosing a piston with am under-fill defect and one with porosity defect.

That Is P(A U B)

Aplying the probability properties we have:

P(A U B)= P(A) + P(B) -P(A ∩ B)

Replacing the probabilities:

P(A U B)= 0.05+0.04-0.01

P(A U B)= 0.08

8 0
3 years ago
6. they were 300 people at a football match and 35% were adults, the rest were children a. what percentage were children​
ioda

Answer: 65%, 195 children

Step-by-step explanation: To get this, we just do 100-35 to get 65 percent. We can calculate this further, and do 300*0.65, and we get 195. Thus, there were 195 children.

4 0
2 years ago
Read 2 more answers
8 books cost \$19.60$19.60dollar sign, 19, point, 60.
snow_tiger [21]

Answer: C=[ (10) x (19.60)÷ (8)]

Step-by-step explanation:

Given , The cost of 8 books = $ 19.60

Then, By UNITARY method , the cost of one book = ( Cost of 8 books ) ÷ ( 8)

i.e. The cost of one book = ($19.60) ÷ ( 8) ...(i)

Now , cost of 10 books = (10) x (Cost of one book)

From (i) , we get

Cost of 10 books =$[ (10) x (19.60)÷ (8)]

Let C be the cost of 10 books ( in dollars) .

So , the equation would help determine the cost of 10 :

C=[ (10) x (19.60)÷ (8)]

7 0
3 years ago
What is the probability of getting either a sum of 66 or at least one 66 in the roll of a pair of​ dice?
Sindrei [870]
So I'm hoping you mean 6, or else the probability is 0. So the possible ways of getting a sum of 6 is 1&5, 2&4, 3&3, 4&2, 5&1. There are 36 different ways of rolling the dice, so divide the 5 possible ways by 36. Then, we need to add the possibility of getting at least one 6 in the roll. It doesn't matter what the other die is, so for each die, the probability is 1/6, and for both, the probability is 2/6. Add this to the probability of getting a sum of 6, and you get your answer.
7 0
3 years ago
Find the missing side length.
Dmitry [639]

Answer:

4 cm, if you subtract 9 from 13 you get four.

8 0
3 years ago
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