A certain type of battery cost $1.50, and another battery cost $4.00. A recent shipment contained 2200 batteries, and the bill totaled $5050. How many of the more expensive batteries were in the shipment?
What will be an ideal response?
700
Mathematics
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Calculate using proper order of operations.11 × (22.1 + 0.643)
A. 313.83 B. 250.173 C. 243.743 D. 2,501.73
Mathematics
Evaluate the algebraic expression for the indicated variable.-7a2 - 8b + c - 12 for a = 8, b = -3, c = -6
A. -50 B. -442 C. -490 D. -466
Mathematics
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.cos2 x - cos x = 0
A. {? + 2n?}
B. 
C. 
D. 
Mathematics
Find the vertex of the parabola.y = 3x2 - 24x + 53
A. (5, 4) B. (-5, -4) C. (4, 5) D. (-4, -5)
Mathematics