Answer:
Step-by-step explanation:
At = 2*(h×w + h×l + w×l)
= 2*(4.8×3.1 + 4.8×7.2 + 3.1×7.2)
= 2*(14.88 + 34.56 + 22.32)
= 2*71.76
= 143.52 cm²
<u>Answer:</u>
Ella will need 6 lemons for 4 times the recipe
<u>Explanation:</u>
Given Ella used ¾ of a bag of lemon to make ½ liters of lemonade
Therefore, we can form an equation as:
¾ bag lemons = ½ liter lemonade
According to question,
Ella recipe is for 1 liter of lemonade
Lemons required for ½ liter lemonade = 
bag
Lemons required for 1 liter lemonade =
= 3/2 bags
To make 4 times the recipe, she will require,
She will need 6 lemons for 4 times the recipe
Answer:
Number of edges in the resulting solid = 12
Step-by-step explanation:
A wooden block measures 2 inches by 2 inches by 3 inches. A wedge is cut off from each corner of the block by slicing at points that are 1 inch from each corner.
We are supposed to find the number of edges that are in the resulting solid.
In some corners , if we take out inch from both, then there would be nothing remaining.
The two faces along the height would be removed and it will become sharpened.
So the number of edges = 4 + 4 + 4 = 12
144 cm3 is what i came up with!
Answer:
a)15:6 b)2:3
Step-by-step explanation:
No. of used books=15-9=6
a) 15:6
b)
6:9
2:3
