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# she is doing factoring polynomials

1/4x^2-9 the 1/4 is a fraction she is in algebra 1 9th grade

# The perimeter of a rectangular picture is 66 in. The length is 3 in. greater than the width. Find the width and length.

need to know the width and length

# I think we have an error in our pre-algebra book. How would you simplify this equation? 12b + -8b + + b. The answer in the book is 41/2b

12b+ -8b + + b How would you simplify this problem? The answer in the back of uour book says: 41/2b I wouls simplify it as:5b What is the correct answer?

# 2(x+4)=3(x-2)

I need help to solve with work.

# According to this formula, about how long will it take a population to double if the annunal growth rate is 3.2%? Note:

The formula below gives T, the approximate time in years it takes a population to double if the annunal growth rate is R percent.   T= 70       R

# algebra word problem

During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At 7:00am there were 6,000 bacteria present in the culture. At noon, the...

# The perimeter of a rectangle is 42 inches. The length is 5 inches longer than the width. Find the length and width of the rectangle.

I need to know how to do this problem and how to set it up and solve it    thank you! :)

# The second of two numbers is 6 less than 4 times the first number. The sum of the first and second number is 14. Find the numbers

I need to know how to set up the problem, and how to solve it    thank you :)

# How do I make a fractal tree for the following functions?

I have to make a fractal tree for these functions:: x -1, 0, 1, 2 --------------- y 1, 3, 9, 27 the rule for this function is y=3x3 and x -1, 0, 1,...

# Use exact arithmetic?

Use exact arithmetic to solve the following system:   10-3x-y=1, x+y=0.   The book says the answer is (1/1.001, -1/1.001). Please show all your work step by step...

# Use 3-digit arithmetic with partial pivoting?

Use 3-digit arithmetic with partial pivoting to solve the following system:   10-3x-y=1, x+y=0.   The book says the answer is (1, -1). Please show all your work step...

# Use 3-digit arithmetic with no pivoting?

Use 3-digit arithmetic with no pivoting to solve the following system:   10-3x-y=1, x+y=0.   The book says the answer is (0, -1). Please show all your work step by...

# Use the function to answer these questions

Function- y=-3x2+8x+35   identify the axis of symmetry and the vertex   identify the maximum   find the x-intercepts by factoring   show...

# i need help in solving (x + 2)^2 = -7

i need help in solving (x + 2)^2 = -7

# One number is four more than another. Their sum is fourteen. Find both numbers.

I need help i dont know this problem

# Describe and correct the error

1. t2-5t=7    Discriminant=(-5)2 - 4(1)(7)    =25-28    =-3    DiscriminantFind is negative, so there are no real solutions.

# Use 4r^2-28r=49 to answer problems

1. Solve by completing square 2. Use the discriminant to find the number of unique real solutions 3. Solve with quadratic formula

# Use square roots to solve the following equations; round to the nearest hundredth if necessary.

1. -2w2+201.02=66.54   2. 3y2+51=918

# Algebra Polynomials

Evaluate the Polynomial for x=3 and for x=-3   2x^3 - 1/9 x^2

# Solve by completing the square; round to the nearest hundredth, if necessary

3x^2+15x=108 I've been on this problem for days now for my summer work and I've googled how to solve it and I still don't understand help would be very appreciated