Answer:
See below ↓
Step-by-step explanation:
<u>Problem</u>
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<u>Work</u>
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- The student's mistake was that instead of taking x(x + 7) as the LCM (Least Common Multiple), he took x + 7, which is not possible in this case
<u>Solution</u>
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It would be 8 inches for 1 day. Take 80/10=8
Answer:Find y: 5 + y = -15
Step-by-step explanation:
Split the shape into smaller shapes, (see attachment)
find the area of the split shapes. So first find the area of the triangles
A = 1/2bh
A = 1/2*2*3
A = 1/2*6
A = 3
so that is the area of one triangle. the area of the other is
A = 1/2*4*3
A = 1/2 * 12
A = 6
now find the area of the rectangle
A = l*w
A = 9*3
A = 27
add them all together
27 + 6+ 3 = 36
the area of the total figure is 36
