Provide an appropriate response.A student added two mixed numbers in the following way: 5
+ 3
= 8
Explain in your own words what is wrong with the answer and give the correct answer.
What will be an ideal response?
Answers will vary. Possible answer: In a mixed number, the fraction part should be a proper fraction. The correct answer is 9
.
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Convert as indicated.0.812 t = kg
A. 8.12 B. 812 C. 8120 D. 81.2
Find the standard form of the equation of a circle that satisfies the given conditions.Diameter with endpoints (2, 5) and (2, -5)
A. (x - 2)2 + y2 = 25 B. x2 + (y - 5)2 = 4 C. (x - 5)2 + y2 = 4 D. (x - 2)2 + y2 = 5
Use the formula s = r?t to find the value of the missing variable. Give an exact answer.s = 
m, r = 3 m, t = 4 sec
A. 
radians per sec
B. 36? radians per sec
C. 
radian per sec
D. 
radian per sec
Solve.Fran indicates that she received a 6.4% raise that amounts to $3020.80. What was her former salary?
A. $44,840 B. $47,200 C. $56,640 D. $37,760