In a triangle with sides of lengths 6 cm, 7 cm, and 8 cm, find the measure of the angle that is opposite the side of length 8 cm. Give the answer correct to the nearest tenth of a degree.
What will be an ideal response?
75.5°
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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 |
Perform the operation. Write the answer as a fraction in lowest terms.3
+ 4
A. 56
B. 
C. 3
D. 7
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
?
A. x = -1, y = -3, z = 0, w = 3; (-1, -3, 0, 3) B. x = -1, y = 3, z = 0, w = -3; (-1, 3, 0, -3) C. x = 1, y = 3, z = 0, w = -3; (1, 3, 0, -3) D. x = 1, y = -3, z = 0, w = 3; (1, -3, 0, 3)
Write the equation in the form y = a(x - h)2 + k or x = a(y - k)2 + h and then graph the equation.y = x2 + 6x + 5
A. 
B. 
C. 
D. 