<span>We could use 7+7=14 to find the sum of 6+7.
<u><em>Explanation</em></u><span><u><em>: </em></u>
7+7=14 is one of the two closest doubles to 6+7.
We know that:
7 is 1 more than 6; this means:
7+7 will be 1 more than 6+7.
7+7=14, so finding 1 less,
6+7=13.</span></span>
Answer:
20 meters square
Step-by-step explanation:
Surface Area of this square based pyramid = A = base area + 4* (face area)
A = (2 *2) + 4* ( (1/2)*2 * 4) )
A = 4 + 4*(4)
A = 4 + 16 = 20
A = 20 square meters
49π (153.938) is the area of the circle.
Formula is πr²
π(7)²
49π
Answer:
The reciprocal of 16 is 1/16
Step-by-step explanation:
The reasoning for this is that the reciprocal of any number is the opposite of it.
Another example would be: The reciprocal of 1/2 would be 2/1
Answer:
Step-by-step explanation:
Sum of X and 8: 
Product of seven and 10: 
Put them together:
