Answer:
to make a brige in a eassy to need to link the Ideas from the controling Idea to the hook
Step-by-step explanation:
let the weight of the second alloy be y
convert the percentage to fraction, that is 10/100=0.1, 18/100=0.18, 13/100=0.13
Total weight if the mixture is 0.1 x 25+0.18y=0.13(25+y)
2.5+0.18y=3.25+0.13y
like terms together
0.18y +0.13y = 3.25-2.5
0.05y=0.75
divide both side by 0.05
Y is therefore 15 pound of 18% copper is needed
Answer:
see explanation
Step-by-step explanation:
Given
v < 7
Then the values which are solutions must be less than 7, thus
v = 7 ← No
v = 11 ← No
v = 1 ← Yes
v = 5 ← Yes
Answer:
Length = 32 feet
Width = 12 feet
Step-by-step explanation:
From the question;
Width = w
Length = 2w + 8
But the perimeter of a rectangle = 2(l + b)
perimeter = 88 feet
88 = 2(2w + 8 + w)
88 = 2(3w + 8)
88 = 6w + 16
88 - 16 = 6w
72 = 6w
w = 72/6
w = 12 feet
Hence;
Length = 2(12) + 8 = 32 feet
Dimensions of the rectangle is;
Length = 32 feet
Width = 12 feet
