From a police helicopter flying at 1,440 ft, a stolen car is sighted at an angle of depression of 58
. Find the distance of the car (to the nearest ft) from a point directly below the helicopter.
?
A. 900 ft
B. 1,221 ft
C. 2,304 ft
D. 763 ft
E. 890 ft
Answer: A
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Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the system using the inverse matrix method.
A. x = 16, y = 63, z = 38; (16, 63, 38) B. x = -17, y = 32, z = 11; (-17, 32, 11) C. x = 4, y = 36, z = -6; (4, 36, -6) D. x = -8, y = 39, z = -22; (-8, 39, -22)
Solve the problem using matrices.Melody has $45,000 to invest and wishes to receive an annual income of $4290 from this money. She has chosen investments that pay 5%, 8%, and 12% simple interest. Melody wants to have the amount invested at 12% to be double the amount invested at 8%. How much should she invest at each rate?
What will be an ideal response?
Convert as indicated.0.25 L to kiloliters
A. 250 kl B. 0.00025 kl C. 25 kl D. 0.0025 kl