07/24/19

College Algebra 1
A local bank charges $15 per month plus 3 cent per check. The credit union charges $5 per month plus 8 cent per check. How many checks should be written each month to make the credit union a better... more
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07/24/19

C and D are sets of real numbers defined as follows.

C= {x│x ≤ 2}D= {x│x > 5}Write C U D and C ∩ D using interval notation. If the set is empty, write Ø
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07/24/19

What is the next number

What is the next number in 2, 7, 26, 101, 400
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07/24/19

How long was each sprinkler used?
the wood family and the barnes family each used their sprinklers last summer. the water output rate for the wood family's sprinkler was 35L per hour. the water output rate for the barnes family's... more
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07/23/19

A man pushes a lawn mower with a force of 34 lb exerted at an angle of 30° to the ground. Find the horizontal and vertical components of the force.
(Assume that the horizontal direction is positive and the vertical direction is negative.)
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07/23/19

Determine the exact values

Given that Cos x=(4/5) and 0 degrees< x < 90 degrees. determine the exact values of sin (x/2), cos (x/2) and tan (x/2).be sure to rationalize your answer and show your work.
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07/23/19

There are two aircraft​ carriers, A and​ B, and carrier A is longer in length than the carrier B. The total length of these two carriers is 2178 ft, while the difference of their lengths is only 10 ft
A) Find the length of each carrier.B) If a football field has a length of 100 ​yards, determine the length of carrier A in terms of the number of football fields.
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07/22/19

Use row operations to solve the system.
x-y= 7x-z=1x+z=0
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07/22/19

What is sin(α + β)
If 180° < α < 270°, cos α= -8/17, 270° < β < 360°, and sin β= -4/5, what is sin(α + β)?
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07/22/19

find the exact value

find the exact value of sin(u-v) given that sin u=3/5, and sin v=4/5. with u and v in the first quadrant.find the exact value of cos(u+v) given that sin u=4/5, and sin v=5/13. with you and v in the... more
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07/21/19

degree of a polynomial

What is the degree of the simplest polynomial with integer coefficients that has , 2, and  as some of its zeros? a. 3 c. 5 b. 4 d. 6  
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07/20/19

Use these values and the properties of logarithms to approximate the value.
LogA5=.699 and LogA3=.477 use both or just one to evaluate LogA125=
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07/20/19

value of lim [cos x/x] where [.] greatest integer function
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07/20/19

Polynomial question
If (X-1/X)2+(X+1/X)2=16, find the value of X6+1/X6
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07/19/19

What is the importance of conversion of fraction to decimal and vice versa
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07/16/19

Periodic phenomena
What makes periodic phenomena difficult to model?What are some of the problems you may encounter using trigonometric functions as a model?
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07/06/19

Use identities to simplify the expression. csc(t) / sec(t)
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07/05/19

Converting Between Products and Sums

sin4θ - sin2θ = _____2cos3θcosθ2cos3θsinθ2sin3θcosθ2sin3θsinθ
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07/05/19

Converting Between Products and Sums

[sin(2θ + 7θ) + sin(2θ - 7θ)] = _____A. cos2θcos7θB. cos2θsin7θC. sin2θcos7θD. sin2θsin7θ
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07/05/19

What is the average rate of change over the interval?
Find its average rate of change over the interval [−5, 1]. f(x)= -x^2-10x-1
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07/05/19

Find the rate at which the balance is changing when t = 1 year, t = 10 years, and t = 50 years.?
The balance A (in dollars) in a savings account is given by A = 8000e0.09t, where t is measured in years.Find the rate at which the balance is changing when t = 1 year, t = 10 years,and t = 50... more
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07/05/19

Find an equation of the tangent line to the function at the given point?
Function: f(x)=8 - 3x^2Point: (-1,5)
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07/05/19

lim n-->infinity 1^n
Is lim n −>infinity 1^n simply 1? I know 1^infinity is indeterminate form, but I read somewhere that you only have to apply log differentiation if it is a function raised to another function. If... more
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07/05/19

what price per unit will yield a maximum total revenue?
When a wholesaler sold a product at $30 per unit, sales were 288 units per week. After a price increase of $5, however, the average number of units sold dropped to 268 per week. Assuming that the... more
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07/03/19

Case for Murder
The evening cleaning crew at a large tech firm discovers a dead body in the early morning hours. Police are immediately dispatched to the scene. Upon arrival at 5:00 am, police measure the... more
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