(1mile/57.1 sec) x (3,600 sec/hour) = 1 x 3600/57.1 = 63.05 mile/hour<span> (rounded)</span>
9-2=7
3+4=7
9 plus 2 equals 7 and 3 plus 4 also equals 7.
Answer:
1500 cm²
Step-by-step explanation:
→ State area of circle formula
π × r²
→ Substitute in values
22/7 × 70² = 1500
→ Include units
1500 cm²
Wherever you see an x, replace it with -2,
So f(-2) = 2(-2^2) -15
= (2x4)-15
= -7