Estimate the sum or difference by rounding each number to the nearest ten.
A. 2420
B. 2412
C. 2410
D. 2400
Answer: A
Mathematics
You might also like to view...
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 4 sin t - cos tFind the body's velocity at time t = ?/4 sec.
A. - 
m/sec
B. 
m/sec
C. - 
m/sec
D. 
m/sec
Mathematics
Provide an appropriate response.Inflation is causing prices to rise at a rate of 6% per year. Use the exact double time formula to determine what the price will be in 7 years if the item costs $100 today.
A. $100.49 B. $100.06 C. $100.42 D. $150.36
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.p2 - 7q - pq + 7p
A. (p - q)(p - 7) B. (p + q)(p + 7) C. (p - q)(p + 7) D. (p + q)(p - 7)
Mathematics