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# suppose and equation is in the form of ax+b=2x-5

- If this has infinitely many solution. What can you say about a and or/b? Explain.   - If this has no solution. What can you say about a and/or b? Explain.   - If this has...

# whats 3/18*4/7*19/38*3/16 simplified?

my math teacher gave this to me but i dont understand anything he has explaind

# help in solving by completing the square

I am trying to solve 2x^2 + 3x =20 by completing the square.   I rewrote it to be 2x^2 - 3x + 20 = 0   then started with 2x^2/2 + 3x/2 + 20/10 =  ...

# how do you derive the alternative quadratic formula from ax^2+bx+c=0??

i would like to know how you derive the alternative quadratic formula from ax^2+bx+c=0.  i know how to derive the quadratic formula but not the alternate.

# The area of a rectangle is 63 square feet, and its perimeter is 33 feet. What are the dimensions of the rectangle?

The area of a rectangle is 63 square feet, and its perimeter is 33 feet. What are the dimensions of the rectangle? Systems of equations or inequalities

A spinner has equally sized sections, of which are gray and of which are blue. The spinner is spun twice. What is the probability that the first spin lands on blue and the second spin lands on gray...

# based on weekly average of 8000 in sales calculate your gross weekly pay check before any taxes and deductions. if you work a full 40 hour week in sales

here are several positions for wait staff. The hourly rate is 3.60 and why weekly tip total ranges from 300 to 850. You are told that you an expect a weekly average of approximately 520 in tips. You...

# What is the break even point and how can we solve using a system of equations?

Number of solar panels, n 0 10 20 30 40 50 60 Total Cost (\$) C(N) 8000 9500 11000 12500 14000 15500 17000 Total revenue (\$) r(n) 0 3500 7000 10500 1400 17500 21000

# how many random words?????

Using a standard cell phone keypad, how many random words (just letters strung together) can be produced from the PIN 23579?

# Find the sum

1)75   ∑ 3n+5   n=1    2)   150          ∑ 2n       n=101

# Solving trig identities

No restrictions on Θ. cos2Θ-1=0

Ace Car Rental Company rents a car for \$50 per day and \$0.25 per mile driven. Laura is a customer who wants to keep her car rental bill at \$100 or less. At most how many miles can she drive in one...

# find the numbers. show work

One number is 6 less than another. The product of the numbers is 72. Find the numbers. show all work.

# Help me with trapezoidal approximation?

The trapezoidal approximation of ∫ sin x dx from 0 to pi using 4 equal subdivisions of the interval of integration is    a) pi/2 b) pi c) (pi/4)(1+sqrt(2)) d)...

# Two numbers add up to 157 and the first is 17 bigger than the second...

what are the 2 numbers...i can't figure it out

# construct electron configuration schematic and then use it to diagram the electron configurations of K and S.

construct electron configuration schematic and then use it to diagram the electron configurations of K and S. write out the electron configurations of K and S. ( only construct the schematic though...

# Which statement is true?

A line parallel to the x-axis has neither slope nor y-intercept defined. A line parallel to the y-axis has neither slope nor y-intercept defined. A line parallel to the x-axis has...

# Help me with Calculus question?

At any time t≥0, the velocity of a particle traveling along the x-axis is given by the differential equation dx/dt-10x=60e^4t.    Find the general solution x(t) for the position...