Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 7.16
B. x = 0.42
C. x = 30.4
D. x = 5.3
Answer: C
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You are required to calculate the total caloric intake of a patient. At breakfast, he consumed 350 calories, at lunch, 925 calories, and at supper, 1050 calories. Find the total calories consumed by this patient today.
A. 1975 calories
B. 1325 calories
C. 2250 calories
D.
| 2325 calories |
Solve the problem.For approximately what values of x can tan-1 x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.26547 B. |x| < 0.25873 C. |x| < 0.31386 D. |x| < 0.32085
Solve the problem by using two equations with two variables.A chemist needs 50 milliliters of a 48% solution but has only 42% and 57% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 33 ml of 42%; 20 ml of 57% B. 33 ml of 42%; 17 ml of 57% C. 20 ml of 42%; 30 ml of 57% D. 30 ml of 42%; 20 ml of 57%
Solve the problem.If g(x) = x2 - 3x - 18 , solve g(x) ? 0.
A. [-3, 6] B. (-?, -3] or [6, ?) C. (-?, -3] D. [6, ?)