Answer: 3.50
Step-by-step explanation: Just answered this question
Answer:
150
Step-by-step explanation:
Hello,
Answer B
y=-x^4+1
y'=-4x^3
y"=-12x² is always <0 : concavity downside.
Answer:
6.49 × 10⁷ years
Step-by-step explanation:
For Dinosaurs
Dinosaurs have been extinct for about 6.5×10 exponent seven years
6.5 × 10⁷ years
For Neanderthals
Neanderthals have been extinct for about 3.0×10 exponent four years
= 3.0 × 10⁴ years
How many longer is calculated by Subtraction
6.5 × 10⁷ years - 3.0 × 10⁴
= 64970000 years
= 6.49 × 10⁷ years
Answer:
four days: 320 pence
seven days: 560 pence
Step-by-step explanation:
Multiply the cost by the number of days.
80 pence× 4 days= 320 pence
80×4=320
80×7=560