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Marina CMI [18]
3 years ago
15

A sample of iron ore was found to contain 44% iron by weight. How many pounds of iron are in 450LBS of this ore?

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0
So to set this problem up lets understand it.
each percent is out of a whole (100%)
so the whole in this problem is 450 pounds
and to make 44% a usable number we move the percent sign two places over.
.44
to find out how many times .44 goes into 450 pounds we will multiply
(.44×450)=198 pounds
we can check our answer by dividing 198÷450
and getting .44 as our answer
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Step-by-step explanation:

Domain (-3,-2,-1,0,1,2)

Range (-2,0,1,2,3)

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1 year ago
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Drupady [299]

Answer:

  • (a) 1/2
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Step-by-step explanation:

(a) 3 of the 6 numbers on the die are even, so the probability that one of them will show is 3/6 = 1/2.

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(b) 2 of the 6 numbers on the die are less than 3, so the probability that one of them will show is 2/6 = 1/3.

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2 years ago
If the angles are in the ratio 2:7:11 then find the angles
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Answer: 180 is the sum of the tringles


Step-by-step explanation:

2x+7x+11x=180

20x=180

x=9

Now you should put the the value of x to get the angles

2x=2x9=18

7x=7x9=63

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Now to double check add all of them together

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Step-by-step explanation:

you don't show us the choices.

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ira [324]

Answer:

-1/56

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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