02/02/16

quadratic equation whose roots are 5 and 2 , and whose leading coefficient is 4 . (Use the letter x to represent the variable
Write a quadratic equation whose roots are 5 and 2 , and whose leading coefficient is 4 . (Use the letter x to represent the variable
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02/02/16

story problem
A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 4% active ingredient, but the pharmacist only has 10% solution and 1%... more
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02/02/16

A rectangle has a base of 9 cm and a height of 16 cm. A second rectangle’s base and height are 3 times as large.. What is the area for the 2nd rectangle?
I dont understand how to set this problem out..
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02/02/16

x=-4y+15 x=-5y+20 Substitution
Solve the systems of equations using substitution.Give your solution  the systems as a pair or coordinates. simple solutions©
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02/02/16

You factored the sum of 2 cubes and you got 0 = (4x + 1)(16x^2 - 4x + 1). What are the solutions to this equation?
{-1/4, 1/8 ± (1/4)i} {-1/4, 1/8 ± (1/8)i sqrt(3)} {4, 1/8 ± (1/8)i sqrt(3)} There is only one solution: x = -1/4 {-1/4, 1/8 ± (1/8)i sqrt(4)}
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02/02/16

If I fave $44 and I rode 6 rides and have $20 left how much was the rides
write and solve an equation for each of the following scenarios
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02/01/16

Help With an Algebra Question?
Charlie Brown left at 8a.m. and will arrive at 1p.m; Linus left at 8a.m. and will arrive at 2p.m. How many miles s the trip if Charlie Brown is traveling 10 miles per hours slower than Linus?
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01/30/16

Twice the difference of a number and 4 is equal to 3 times the sum of the number and 2. Find the number.
Twice the difference of a number and 4 is equal to 3 times the sum of the number and 2. Find the number.
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01/30/16

The sum of twice a number and 4 is equal to the sum of the number and 5
The sum of twice a number and 4 is equal to the sum of the number and 5. What is the number 
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01/30/16

Really Hard Math Question
Given that f(x)=3x3-4x2+x+11, find g(x) if the roots of g(x) are: a) three more than the roots of f(x) b) a third the roots of f(x) Show all works and explain work clearly.
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01/30/16

Given the point Q(-7, 24) and its associated standard angle ?, find....
Given the point Q(-7, 24) and its associated standard angle θ, find the value of cos θ. Leave your answer in exact form.
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01/30/16

if a ratio of 2 to 9 exist and you decrease the 2 by 30 percent and increase the 9 by 22 percent what is your ending ratio?
If a ratio of 2:9 exists and the 2 is decrease by 30% and the 9 increased by 22% what is the ending ratio
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01/30/16

A rental car costs 50 dollars for 1 day plus an additional 25 cents per mile. What is the cost of renting a car for one day and driving it
 I need help with this word problem step by step.
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01/28/16

How do I solve this?
Write the slope-intercept form of the equation of the line through the given point with the given slope.     through:(-5,-5), slope=2/3
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01/28/16

How do I find the x and y intercepts?
How do I find the x and y intercept? After I need to graph   2x-4y=8
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01/28/16

How do I sketch this equation?
Sketch the graph of each line   y-2=-3/2(x+4)
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01/28/16

A teacher orders 2 small white boards for $27 each and 8 boxes of dry erasers pens for $ 4 each. What is her bill before taxes
Hpw do you solve it  
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01/28/16

Trigonometric equations
if inverse cosine of x + inverse cosine of y = pi/2 show that x^2 + y^2 = 1
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01/28/16

A spherical tank has a capacity of 550 gallons. Using the fact that 1 gallon is about 0.1337 ft3, find the radius of the tank
calculate answer to the nearest hundredth foot.
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01/28/16

When you divide the polynomial 3x^2 + 7x - 20 by x + 4 using long division, you get:
A: 3x^2 - 5 B: 3x + 19, R 46 C: 3x + 5 D: 3x - 5 E: 3x - 3, R -24
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01/28/16

I really need help on this one please solve.
The length of a rectangle is 4 meters longer than the width. The area of the rectangle is 80 square meters. Find the length and width. Round the answers to the nearest tenth of a meter pleeaase...
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01/28/16

Transformations of quadratics in the form y=ax(b-x)
If I have a quadratic graph in the form y=ax(b-x), what effect (transformation) will it have on my graph if I change the values of the constants 'a' and 'b'?
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01/27/16

You drink a beverage with 120mg of caffeine. Each hour, the caffeine in your system decreases by 12%. How long until you have 10mg of caffeine in your body?
the answer choices are 2 hours                                   5 hours                                   20 hours                                   21 hours
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01/27/16

word problem
Curt can be paid in one of two ways for the furniture he sells. Plan A: salary of $800 per month plus a commission of 10% of sales. Plan B: Salary of $1200 per month plus a commission of 15% of... more
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01/27/16

Determine an equation of a line in various forms given two points on the line
Which equation represents the line that passes through the points (5, 14) and (0, 16)?   a. y=-2/5x+16   b. y=2/5x+16   c. y=5/2x-26 1/2   d. y=-5/2x+26 1/2  
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