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Marina CMI [18]
3 years ago
6

Brainliest and 35 points!

Mathematics
2 answers:
m_a_m_a [10]3 years ago
7 0
That right I just came here to check
Temka [501]3 years ago
5 0
I think that is the second one but I’m not really sure , sorry if isn’t correct
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One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be comb
Shalnov [3]
Let x be your first alloy
2/5x+7/10(30-x)=1/2(30)
4x+210-7x=150
3x=60
x=20
So, you need 20 lbs of the first alloy, and 10 parts of the second to make 30 lbs of half iron and half silver alloy!
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4 years ago
Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed.
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y ≥ 0  Pic 1

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Step-by-step explanation:

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A rectangular prism with a length of 7 centimeters, width of 5 centimeters, and height of 8 centimeters. A rectangular prism wit
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Answer: The volume of the composite figure is 420\text{ cm}^3.

Step-by-step explanation:

We know that the volume of a rectanbgular prism is given by :-

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length of 7 centimeters, width of 5 centimeters, and height of 8 centimeters

Volume of prism 1= (7)(5)(8)=280\text{ cm}^3

Given, for prism 2 , we have

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3 years ago
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