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Alekssandra [29.7K]
3 years ago
12

Can someone please help me? Which one is the correct one?

Mathematics
1 answer:
adell [148]3 years ago
4 0

your answer is going to be C

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kipiarov [429]
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6 0
3 years ago
How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead
uysha [10]

Answer:

35

Step-by-step explanation:

all are obeying a constant ratio

  • copper 81
  • tin 14⇒?
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  • total 100 ⇒250
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5 0
2 years ago
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Please Helppppppppppp
sineoko [7]

Answer:

The width of the actual pool is 12 meters

Step-by-step explanation:

You can put Kiara's scale into a ratio or fraction to help visualize it better: 13/6. Now, let's put what we do know for the other ratio into a fraction. we know that the pool is 26 centimeters wide, and since the 26 matches with the 13, that goes in the numerater. since we don't know the denominator, we can just put 26/x (you can use whatever letter you like but I'll use x here)

So in order to get 13/6 to 26/x, we need to find how to figure out what we are doing to the original fraction. Since 13 x 2= 26, it looks like we are multiplying the ratios by 2. Now that we know that, we can multiply the denominator (6) by 2 to equal 12, our answer.

Hope this helps :)    

8 0
2 years ago
HELP PLEASE!!! Which of the following is not a true statement about solving two-step equations?
tensa zangetsu [6.8K]
C= two step equations require all number to be whole number in order to solve.

Here is an example that disproves that:
 .5x + 8= 18
  <u>      -8     -8</u>
<u>.5</u>x = <u>10
</u>.5       .5

x = 20  (.5 is certainly not a whole number but I solved it anyway)
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2 years ago
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What is the greatest common factor (GCF) of 24 and 40?
o-na [289]

Question:

What is the greatest common factor (GCF) of 24 and 40?

Answer:

8

Step-by-step explanation:

6 0
3 years ago
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