48 Answered Questions for the topic Help On Homework

Help On Homework

12/12/17

A pizza shop charges $10 for a large pizza, plus $1.50 for each topping.
A pizza shop charges $10 for a large pizza, plus $1.50 for each topping. One customer's pizza cost $14.50 including toppings. The number of toppings is unknown and can be represented by the... more
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11/29/17

chemistry help
Calculate the emf of the voltaic cell: Concentration of Mg+2 (anode)  is 0.00100 M and Fe+3 (cathode) is 0.100 M   unsure how to find this
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Help On Homework Im2 Road Grades

11/25/17

To determine the percentage grade that should be put on a road sign where the angle of elevation of the road is 9 degrees, what function would be most helpful?
Many mountainous areas have had road signs like this sign that refer to the percentage grade for the road. An 8% grade, for example means that the altitude changes by 8 feet for each 100 feet of... more
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Help On Homework

11/14/17

z varies directly as x and inversely as y. If z=64 when x=7 and y=4 , find z if x=2 and y=7
I need help solving this problem. It's to hard for me please help 
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11/13/17

Simplifying Using Trig Identities
If tan^2(t)-sin^2(t)=sin^a(t)/cos^b(t), then the positive power a=  the positive power b= 
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Help On Homework Calculus Rate Of Change

11/12/17

Average rates of change question
A shopkeeper calculates that for each reduction of $1 in the price of a $50 pair of jeans, another customer will buy a pair. Show that if 10 customers will buy the jeans at full price, sales... more
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Help On Homework Algebra Help College Algebra

11/08/17

Find the domain of the following function:
         3x^(3)-pi                  1 f(x)=———————    + ———————         sq.rt.(2x+3)-5        |x+1|-1   The answer I got was (-inf.,-3/2)U(-3/2,inf.)
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Help On Homework Algebra Help College Algebra

11/08/17

what is the area of the triangle?
what is the area of a triangle which leg a= x leg b= sq.rt.(2)x and leg c= (4)sq.rt.(15)
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Help On Homework

11/01/17

How much work is done using a 120-watt light bulb for one hour?
 please someone help me I do online school and my teachers wont help
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Help On Homework Algebra Help College Algebra

10/31/17

Let g be the function given by g(x)=(10/square root of x) - (sq. root of 2x-1)
(a) what's the domain of g? (b) Find and simplify: g(1)-3g(25)
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10/31/17

Divide the following using long division stating the quotient and the remainder.
a)  (-2x^(4)-x^(3)+16x^(2)+3) / (2x+1)     b)   (12x^(4)+x^(2)-1) / (2x-1) a) I got -x^(3)+8x-4 remainder 7 b) i got 6x^(3)+3x^(2)+2x+1 no remainder
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10/25/17

Why don't beta blockers interfere with skeletal muscle?
Beta blockers are a group of drugs given after an acute myocardial infarction (heart attack) to reduce the sympathetic stimulation of the heart muscle. They work by blocking β1 adrenergic... more
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10/19/17

Find the equation of the line with slope -3 and going through the point (3,11).
I got y=3x+20 and was wondering if it is right.
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10/19/17

write an equation of the line containing the specified point and perpendicular to the given line:
(5,-8)  &   3=4/5x+y (I got y=5/4x+57/4 but it does not appear to be correct.)
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10/17/17

Unsure how to solve this word problem and how to get the answer.
  A square and a triangle have the same area. The base of the triangle is 3 feet more than the side length of the square. The height of the triangle is 1 foot less than the base of the triangle.... more
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Help On Homework

10/12/17

Luke has $40 in a savings account that earns 5% interest, compounded annually. To the nearest cent, how much interest will he earn in 3 years?
Luke has $40 in a savings account that earns 5% interest, compounded annually.To the nearest cent, how much interest will he earn in 3 years?Use the formula B = p(1 + r)t, where B is the balance... more
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Help On Homework Algebra Word Problem Algebra Help

10/12/17

algebra word problem
the ages of three children can be expressed as consecutive integers. The square of the age of the youngest child is twelve more than three times the age of the oldest child. Find the ages of the... more
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10/10/17

Solve the following inequalities: a. |-2x+4|-5<10 b. 7+2|2-7x|>9
I'm not sure if I'm doing this right    For a. I got x>11/-2   or    x<19/2     interval notation:  (-infinity, infinity)   For b. I got   x<1/7     or     x>3/7      interval... more
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10/10/17

Simplify completely and arrange in descending order: (-2-x)(x^(2)-4x+1)-(x+3)(-x^(2)-2x+3)
Not sure how to simplify this.
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Help On Homework

10/05/17

homework help
Unit profit on a Nissan Altima and a Nissan Sentra average $1,200 and $850, respectively, at Bob's car dealership in suburban Milwaukee. Last month the dealership sold a total of $120 cars for an... more
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Help On Homework

10/04/17

Can someone help?
Find the value of f(-4)if f(x)=-2x+3
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10/03/17

I got no solution??
Let f(x)= |2x-3| and g(x)= |-7+2x|. Find all x for which f(x)=g(x)   After solving I got no solution but it does not seem right. 
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Help On Homework

09/19/17

How many times can 2 fit into 65
I need help on homework  
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