Find the unit price.A 6-pack of 4-oz containers of yogurt costs $2.99. Find the unit price, rounding to the nearest cent.
A. $0.75/oz
B. $0.12/oz
C. $0.50/oz
D. $0.19/oz
Answer: B
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Find the component of u along v if u = (-6,7) and v = (3,4).
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Find the principal unit normal vector N for the curve r(t).r(t) = (4 sin t)i + (4 cos t)j + 8k
A. N = (-cos t)i - (sin t)j B. N = (sin t)i + (cos t)j C. N = (-sin t)i - (cos t)j D. N = (-sin t)i + (cos t)j
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $27.94. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A.
| Estimate: $6.00 | Exact: $5.59 |
B.
| Estimate: $4.50 | Exact: $4.19 |
C.
| Estimate: $7.50 | Exact: $6.99 |
D.
| Estimate: $3.00 | Exact: $2.79 |
A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 3
A. 3.5 ft B. 3.94664 ft C. 2.59378 ft D. 2.14706 ft