Let Robs weekly allowances be X
he spent half f it n candy so he spent X/2
he gardened for $7 extra and at the end he had $12
so to calculate his weekly allowances, we will develop the following equation
X/2 +7=12
X/2=12-7
X/2=5
X=5x2
X=10
Rob's weekly allowance is $10
Answer:
+5
2x+5
3x-5
2(n+5)
3(
+5)
5x(x^3)
Step-by-step explanation:
Answer: 30 feet is greater
Step-by-step explanation:
3 yards is 9 feet (1 yard is 3 feet). 9 < 30. 30 feet is more than 9 feet, and 9 feet is equal to 3 yards so 30 feet is greater than 3 yards
Answer:
Aysha
Step-by-step explanation:
Aysha's score = 9 – 8.2 = 0.8 + 1.9 = 2.7
Beth's score = –8 + 5.4 = (–2.6) – 1.8 = – 4.4
2.7 > (– 4.4)
A)We have been given →
Hieght of trough = 5m
length of trough = 6m
Breadth of trough = 4m
so , As the top is opened for feeding animals.
Area of base = length× Breadth
= (6×4) m²
= 24 m²
Area of Front and back face = Hieght × length
= (5×6) m²
= 30m²
Area of side faces = hieght × Breadth
= (5×4) m²
= 20 m²
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B)Total Surface area of trough will be given by formula - 2(lb+bh+hl)
= 2{(6×4)+(4×5)+(5×6)}
= 2{24+20+30}
= 2×74
= 148 m²
As we have been told top is open , so we will deduct top from Total surface Area to obtain Surface area →
(148-24) m²
(Area of top will be same as base area , that is 24m² as we have solved in A)
= 124m²
Answer→ Surface area of trough is 124m²
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