Question : What is the current in amps (I) to the nearest hundredth if the resistance : 2139517

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

185) What is the current in amps (I) to the nearest hundredth if the resistance (R) of the circuit is 52 Ω and the watts (W) used are 637? Use the formula R =

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

186) Solve the quadratic equation using the quadratic formula: 25x² = 9

A) x = , -

B) x = , -

C) x = , -

D) x = i, - i

187) Solve the quadratic equation using the quadratic formula: 9x² + 16 = 24x

A) x = 12, 12

B) x = 0.75, 0.75

C) x = 1.33, 1.33

D) x = 1.33 + 1.28i, 1.33 - 1.28i

188) L - 2C + 1.57(d + d) +  will determine the length of a belt, L, that goes around two pulleys, where C is the distance between the centers of the pulleys, D is the diameter of one pulley, and d the diameter of the second pulley. Find the distance between the centers of the pulleys if the length of the belt is 82 in., the diameter of one pulley is 18 in., and the diameter of the other pulley is 8 in. Round to the nearest inch.

A) 41 inches

B) 40 inches

C) 19 inches

D) 20 inches

189) A bricklayer plans to build an arch in a garden with a span (s) of 1 m and a radius (r) of m. How high (h) is the arch? Use the formula  - 2hr +  = 0

A) 0.5 m

B) 1.0 m

C) 2.4 m

D) 0.25 m

190) The recommended dosage of a certain type medicine is determined by the patient's weight. The formula to determine the dosage is given by D = 0.1w² + 5w, where D is the dosage in milligrams and w is the patient's weight in kilograms. A doctor ordered a dosage of 1,500 milligrams. This dosage is being administered to what weight patient?

A) 95 kg

B) 145 kg

C) 100 kg

D) 30 kg

191) L - 2C + 1.57(d + d) +  will determine the length, L, of a cross belt that goes around two pulleys, where C is the distance between the centers of the pulleys, D is the diameter of one pulley, and d the diameter of the second pulley. Find the diameter of one of the pulleys if the distance between the centers of the pulleys is 20 in., the diameter of one pulley is 10 in., and the length is 68.3 in. Round to the nearest tenth of an inch.

A) 6.9 inches

B) 8.2 inches

C) 8.0 inches

D) 6.0 inches

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

192) A rectangular flowerbed is surrounded by a walkway. The outside of the walkway measures 18 ft by 16 ft and the area of the flowerbed is 120 ft². What is the width of the walkway?