Write an equation that can be used to solve the problem. Then solve the equation and answer the question.The denominator of the fraction 
is increased by an amount so that the value of the resulting fraction is 
. Determine the amount by which the denominator was increased.
A. 43
B. 9
C. 
D. 14
Answer: B
Mathematics
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Express the given trigonometric function in terms of the indicated function.cos ? in terms of sin ?
A. 1 - sin ?
B. 
C. ±
D. ±
Mathematics
Write the indicated term of the binomial expansion.(3x - 2y)12; 9th term
A. 10,264,320x4y8 B. -5,132,160x8y4 C. -5,132,160x4y9 D. 3,421,440x8y4
Mathematics
Find the slope of the tangent line to the graph of each function at the given point and determine an equation of the tangent line.
?
at 
?
A. 
B. ?
C. 
D. 
Mathematics
Solve the problem.The perimeter of a triangle is 60 cm. The triangle is isosceles now, but if its base were lengthened by 5 cm and each leg were shortened by 7 cm, it would be equilateral. Find the length of the base of the original triangle.
A. 11 cm B. 12 cm C. 17 cm D. 24 cm
Mathematics