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# 8 pipes can fill a tank in 27 minutes. How long will it take to fill the tank if 2 pipes go out of order?

I need the answer in minutes, hours, etc and need the steps too.

# Pleas help me

hello i need help to solve 4^x=3^x+1 i can't find out how to do it i know that i have to use LOG but how??? could you help me step by step?? Jakob

–3x – 5 ≤ –20

# what is the relatinship between the base and height of triangle if base is b and height is b-4

i am supposed to answer what is the relationship between the base b and height b-4

# three times the larger of two numbers is equal to four times the smaller. the sum of the numbers is 21. find the numbers

systems of equations find the variables

# Absolute value of |-1.1|

Math 990 questions

# write an equation for the line that is perpendicular to the given line and that passes through the given point y=-1/3x+2;(4,2)

write an equation for the line that is perpendicular to the given line and that passes through the given point      Y=-1/3x+2;  (4,2)

# explain why the negation of an if then statement can not be an if then statement

This is about negations of if then statements and why they can't be if then statements.

# What makes a function exponential

What makes a function exponential

# is there a easier way to learnt Quadratic Equations?

i do not understand this topic and i need help

# what is ions?

what is ions? explain!

# Define a variable and write an expression to represent the number of tents needed.

A camp leader figures that she needs one tent for every three campers, plus a tent for herself.

# Can anyone help me on my Volume Practice Worksheet?

My teache gave us this worksheet with only 4 math problems. We did math problems similar to this in class today but it was not exactly like this. She gave us the base, length, and height and we just...

# how do i solve for a triangle in half with numbers in column a and numbers in column b

draw a triangle put a line down the middle and six lines across in column a the numbers are 5,6,20,3,10,11 and a blank and in column b the numbers are 9,11,39,blank,blank,blank,29

# What's the difference between speed and velocity?

What is the difference between speed and velocity?

# what is newtons second law

what is newtons second law in physics

# Discuss deviation and dispersion

Discuss deviation and dispersion

# simplify the expression 5y+3(y-3)-15/y-3

simplify 5y+3(y-3)-15/y-3

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