Simplify.-2 ? (-4 - 1.2)
A. -10.4
B. 10.4
C. -5.6
D. 5.6
Answer: B
Mathematics
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Provide an appropriate response.The region bounded by the lines x = 2, x = 6, y = -2, and y = 1 is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of this solid.
What will be an ideal response?
Mathematics
Solve the following systems of linear equations using Gaussian elimination.
14x -3y + 4z = 88 7x + 4z = 47 7x - 3y + 4z = 53
Mathematics
Substitute to find the value of the expression.In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 1.3 pounds of bananas?
A. $0.98 B. $0.22 C. $2.17 D. $0.78
Mathematics
Add.581 + 3050
A. 3641 B. 3531 C. 3631 D. 2631
Mathematics