Answer:
3 - 
Step-by-step explanation:
The ^2 in the square root cancels each other so
3 -
Answer in photo. hope this helps
Answer:
$22.33
Step-by-step explanation:
A 20% tip would be 0.20. Multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total amount including tip.
subtotal --> $18.61
tip --> $3.72
18.61 x 0.20 = 3.72
total --> $22.33
Answer:
Area for cross-section is 615.7521601cm
Step-by-step explanation:
area of a circle = πr²
π × radius²
In this question, the radius is 14, so you need to square it giving 196.
Then multiply by π = 615.7521601cm (round if necessary)
Answer:
4 is not. (3 is)
Step-by-step explanation:
A number is the multiplicative inverse of 7 (mod 10) if the product mod 10 is 1.
7 × 4 mod 10 = 28 mod 10 = 8 . . . . not 1
