Answer:
6( 5 + 2x )
Explanation:
30 = 2 x 3 x 5
12x = 2 x 2 x 3 x X
THE COMMON FACTOR IS 2 & 3
SO this is the answer
Hope this helps :)
The answer is 10 because the student student did not follow order of op. This means that the student added 25 and 5 together then dived that. However he should have divided 25 by 5 first and then added 5
LHS=18-3(2p+4)
=18-6p-12
=6-6p
=3(2-2P) hence it is not equal to 3(2-3p)
Answer:
tons of high steel and
tons of low steel
Step-by-step explanation:
Let x be the number of tons of high grade steel and y be the number of tons ow low grade steel needed.
In x tons of high grade steel there are
tons of iron
tons of magnese
In y tons of low grade steel there are
tons of iron
tons of magnese
NASA orders 500 tons of steel, so
![x+y=500](https://tex.z-dn.net/?f=x%2By%3D500)
and specifies that it must be in the proportion 80% iron and 20% magnese, so
![0.85x+0.67y=500\cdot 0.8\\ \\0.85x+0.67y=400](https://tex.z-dn.net/?f=0.85x%2B0.67y%3D500%5Ccdot%200.8%5C%5C%20%5C%5C0.85x%2B0.67y%3D400)
From the first equation,
![x=500-y](https://tex.z-dn.net/?f=x%3D500-y)
Substitute it into the second equation:
![0.85(500-y)+0.67y=400\\ \\425-0.85y+0.67y=400\\ \\-0.18y=-25\\ \\y=\dfrac{2,500}{18}=138\dfrac{8}{9}\ tons\\ \\x=361\dfrac{1}{9}\ tons](https://tex.z-dn.net/?f=0.85%28500-y%29%2B0.67y%3D400%5C%5C%20%5C%5C425-0.85y%2B0.67y%3D400%5C%5C%20%5C%5C-0.18y%3D-25%5C%5C%20%5C%5Cy%3D%5Cdfrac%7B2%2C500%7D%7B18%7D%3D138%5Cdfrac%7B8%7D%7B9%7D%5C%20tons%5C%5C%20%5C%5Cx%3D361%5Cdfrac%7B1%7D%7B9%7D%5C%20tons)
Answer:
because x^n+1 =
the number which is n and n is an odd number and my odd number is 3 so
x^3+1= 4
= x^4