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# how to find percentiles

find the 75th and 90th percentiles for the data 0-100

# Determine whether w is in the range of the linear operator T

T:R3 - R3: T (x,y,z) = (2x-y, x+z, y-z); w= (3,3,0) Here is my solution: T (3,3,0) = (2x3-3, 3+0, 3-0) T (3,3,0) = (3, 3, 3)  What I am doing wrong? And how to explain if it is in...

# simplify the expression 3a+4b-3a-b

i am not clear about combining like terms can you please help me understand?

# when you subtract a variable from a whole number and a variable:example x+23=2x+45 why does the 2x become 0?

I need to understand the rules of basic algebra. I understand the answer, I need to understand why it is the answer. x+23=2x+45       x-x+23=2x-x+45         23=x+45. why does the 2x become...

# 5(3x-6)=6(2x-3)

I would love it if you went into absolute detail.

# What are the first 3 common multiples of 6, 19, and 38?

I am having trouble finding the answer for this, if anyone could help me with this please do help.

# 0.06 - 0.10(x+1) = - 0.2

I got 9 and 3 but the but the answer is 8/5. how do u do it?

# it takes bill 4hrs to make a ball and igor 12hours,how long if they work together will it take to create one ball

it takes bill 4hrs to make a ball and igor 12hours,how long if they work together will it take to create one ball

# equation for variable of which constant is percentage thereof

algebraic equation for constant number that is a percentage or fraction of variable number and steps to solve

# 15\sin30=b\sin100

how do I solve for side b?

# how do you do equivalent fractions

how do you solve equivalent equations with distributive properties

# the shorter diagonal of a regular hexagon is 6. What is the length of the longer diagonal?

high school geometry

# If 2652 people out of 100,000 people were killed in 2003, how many were killed in 2000? The answer is 25% more than the amount killed in 2003.

If 2652 people out of 100,000 people were killed in 2003, how many were killed in 2000? The answer is 25% more than the amount killed in 2003.

# which value is equivalent to, 5 to the third power multiplied by 5 to the fourth power?

could you put steps on how you get the answer.

# Find the point besides the origin where the graph of xy=x+y^2 has a vertical tangent

It's Calculus. Implicit differentiation is used.

# the Supremacy Clause

Compare the second clause of Article VI of the Constitution (the Supremacy Clause) with the 10th Amendment. Are all laws passed by the national government supreme over state law? If not, which ones...

# How do you simplify the following expression by adding (x+2y)(x+2y)

I need help adding this expression I need an example to help.

# I need help trying to understand how to do pemdas

I am working on algebra one and need help with the order of operations. Know the order can get started but third step is where I get lost

# A+A - 3A= -2A+22

A + A - 3 A = -2 + 22

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