If s represents the displacement and t represents the time for an object moving with rectilinear motion according to the given function, find the instantaneous velocity for the given time.s = 7t3 - 5t2; t = 7
A. 994
B. 1043
C. 1019
D. 959
Answer: D
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An amount P, invested at a simple interest rate r, will grow to an amount A in t years, according to the formula A = P ( 1 + r t ). Suppose a man invested some money at 5.6%. If after 3 years, he had $6,424.00 on deposit, what amount did he originally invest? Round your answer to the nearest integer.
A. P = $5,350 B. P = $5,300 C. P = $5,500 D. P = $5,600
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = -x2 + 17x - 72
A. x-intercepts: -8 and -9; y-intercept: 72 B. x-intercepts: 8 and -9; y-intercept: 17 C. No x-intercepts; y-intercept: -72 D. x-intercepts: 8 and 9; y-intercept: -72
In the right triangle shown, it follows that tan 45° = 1.
Answer the following statement true (T) or false (F)
I visited a beautiful flower garden yesterday and counted exactly 50 flowers. Each flower was either white or orange, and the flowers were not all the same color. My friend made the following observation: No matter which two flowers you might have picked, at least one was bound to be white. From this can you determine how many were white and how many were orange? ?
A. 1 orange flower, 49 white flower(s) B. 1 white flower, 49 orange flower(s) C. 32 orange flower(s), 18 white flower(s) D. 24 orange flower(s), 26 white flower(s) E. 26 orange flower(s), 24 white flower(s)