QuickHelper

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About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 260 Weeks Ago, 4 Days Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

Experience

  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Engineering Posted 19 Aug 2017 My Price 15.00

word math assignment, math

Andrew is filling the pool in his backyard.

Which units would be most appropriate to describe how fast the pool is filling with water?

Select each correct answer.

 

·        

in3/s

·        

cm3/min

·        

gal/h

·        

L/h

 

 

Solve for a.

f+a−−−−−√−r=m

 

·        

a=m2+r2−f

·        

a=m2−mr+r2−f

·        

a=m2−2mr+r2−f

·        

a=m2+2mr+r2−f

 

Solve for x.

0 = 7x² + x + 5

 

·        

x=−1±i105−−−√14

·        

x=−1±i34−−√14

·        

x=−1±i139−−−√14

·        

x=−1±i120−−−√14

 

Which expression is equal to (x2)2−(x5)2 ?

·        

x4−2x7−x10

·        

(x2−x5)(x2+x5)

·        

(x2−x5)(x2−x5)

·        

x4−2x7+x10

 

 

Elena deposits $800 in an account that pays her 3% annual interest compounded monthly.

Which equation represents the account balance A after t years?

·        

A=800â‹…(1.03)12t

·        

A=800â‹…(1.03)t

·        

A=800â‹…(1.0025)12t

·        

A=800â‹…(1.0025)t

 

What is the inverse of f(x)=5x3 ?

 

Enter your answer in the box.

f−1(x) =  

What are the coordinates of the point that corresponds to  7π/6 on the unit circle?

 

·        

(3√2, −1/2)

·        

(−3√2, 1/2)

·        

(−3√2, −1/2)

·        

(−1/2, −3√2)

 

 

The function f(t)=1050⋅(1.012)t models the amount of money in an account after t years.

What does 1050 represent in this situation?

·        

The amount of money in the account after 5 years.

·        

The initial money deposited in the account.

·        

The interest amount in the account after 10 years.

·        

The amount of money in the account after 2 years.

 

What is the angle measure, in degrees?

 

5Ï€/12

 

Enter your answer in the box.

 

 

 

What is the length of the radius of a circle with a central angle of 140° that intercepts an arc with length 24 cm?

Use π=3.14 in your calculation.

 

Enter your answer to the nearest tenth of a centimeter in the box.

  cm

 

What is the exact value of tanθ when cosθ=3/7  and  θ  lies in Quadrant IV ?

Simplify all radicals and rationalize the denominator, if necessary.

 

Enter your answer in the box.

 

 

Enter the missing angle measures, to the nearest degree, in the boxes.

m∠A = °

m∠C = °

Description: A right triangle with perpendicular side labeled as 10 and hypotenuse labeled as 12. The angle made between the base and hypotenuse is labeled C and the angle made between hypotenuse and perpendicular side is labeled A. The angle made between base and perpendicular side is marked as right angle B.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Graph the function f open parenthesis x close parenthesis equals 5 to the power of x end exponent plus 1.

Answer:

Title: Graph - Description: A blank coordinate plane. The horizontal x-axis ranges from negative 6 to 4 increments of 2. The vertical y-axis ranges from negative 2 to 8 in increments of 2.

(Score for Question 2: ___ of 3 points)

One of the zeros of the function f open parenthesis x close parenthesis equals x cubed minus 28 x minus 48is x equals negative 4. Factor the function. Show your work.

Answer:


 

(Score for Question 3: ___ of 3 points)

A ramp is made using a board. The board is 12 ft long. The ramp is 3 ft high. What angle does the ramp make with the ground? Round your answer to the nearest tenth of a degree.  Show your work.

Answer:

 

 

 

 

What is the period of the sinusoidal function?

Enter your answer in the box.

 

 

Description: A sinusoidal function that begins at negative ten comma zero and increases to a high point of negative seven point five comma two and then decreases through negative five comma zero until reaching a low point of negative two point five comma negative two. The graph then increases through zero comma zero until it reaches a high point of two point five comma two. The graph then decreases through five comma zero until it reaches a low point of seven point five comma negative two. The graph then increases through ten comma zero until it reaches a high point of twelve point five comma two.

 

 

What is the minimum of the sinusoidal function?

Enter your answer in the box.

 

 

Description: A sinusoidal function that begins at negative ten comma zero and decreases until reaching a low point of negative nine comma negative four. The graph then increases through negative eight comma zero until it reaches a high point of negative seven comma four. The graph then decreases through negative six comma zero until it reaches a low point of negative five comma negative four. The graph then increases through negative four comma zero until it reaches a high point of negative three comma four. The graph then decreases through negative two comma zero until it reaches a low point of negative one comma negative four. The graph then increases through zero comma zero until it reaches a high point of one comma four. The graph then decreases through two comma zero until it reaches a low point of three comma negative four. The graph then increases through four comma zero until it reaches a high point of five comma four. The graph then decreases through six comma zero until it reaches a low point of seven comma negative four. The graph then increases through eight comma zero until it reaches a high point of nine comma four. The graph then decreases through ten comma zero until it reaches a low point of 11 comma negative four.

 

 

What is the maximum of the sinusoidal function?

Enter your answer in the box.

 

 

Description: A sinusoidal function that begins at negative nine comma one and increases to negative seven comma five and decreases until reaching a low point of negative five comma one. The graph then increases until it reaches a high point of negative three comma five. The graph then decreases until it reaches a low point of negative one comma one. The graph then increases through zero comma three until it reaches a high point of one comma five. The graph then decreases until it reaches a low point of three comma one. The graph then increases until it reaches a high point of five comma five. The graph then decreases until it reaches a low point of seven comma one.

Description: A sinusoidal function that begins at negative eight comma negative five and increases to negative five comma five and decreases until reaching a low point of negative two comma negative five. The graph then increases until it reaches a high point of 1.5 comma five. The graph then decreases until it reaches a low point of five comma negative five. The graph then increases until it reaches a high point of eight comma five.

 

 

What is the equation of the midline of the sinusoidal function?

Enter your answer in the box.

 

y = 

Description: A sinusoidal function that begins at negative eight comma negative five and increases to negative five comma five and decreases until reaching a low point of negative two comma negative five. The graph then increases until it reaches a high point of 1.5 comma five. The graph then decreases until it reaches a low point of five comma negative five. The graph then increases until it reaches a high point of eight comma five.

 

 

What is the amplitude of the sinusoidal function?

Enter your answer in the box.

 

 

Description: A sinusoidal function that begins at negative ten comma zero and increases to a high point of negative nine comma one. The graph then decreases until reaching a low point of negative eight comma negative seven. The graph then increases to a high point of negative seven comma one and decreases until reaching a low point of negative five point five comma negative seven. The graph then increases until reaching a high point of negative four point five comma one. The graph then decreases until reaching a low point of negative three comma negative seven. The graph then increases until it reaches a high point of negative two comma one. The graph then decreases until reaching a low point of negative zero point five comma negative seven. The graph then increases until it reaches a high point of zero point five comma one. The graph then decreases until reaching a low point of two comma negative seven. The graph then increases until it reaches a high point of three comma one. The graph then decreases until reaching a low point of four comma negative seven. The graph then increases until it reaches a high point of five point five comma one. The graph then decreases until reaching a low point of seven comma negative seven. The graph then increases until it reaches a high point of eight comma one. The graph then decreases until reaching a low point of nine comma negative seven.

 

 

 

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QuickHelper
(10)
Status NEW Posted 19 Aug 2017 07:08 AM My Price 15.00

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