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# what is 20% of 10

I am trying to figure out how to do my math. We are finding percents and it says pre algerbra. The question is what is 20% of 10.

# Last summer Barry earned \$875.This summer he earned 109% of what he earned last summer. How many more dollars did he earn this summer than he did last summer?

This is the only problem I need help with

# 2 questions I want to verify

which expression is equal to "three less than a number multiplied by six"? I think it's 6x-3 Also 1*(3+7)=(1*3)+(1*7) is distributive.  I just want to verify

# what is slope-intercept form?

I was just wondering, what is slop intercept form and how do you find it?

# 2^2+3^2=c^2. 4+9=13

And the answer is square root is 13  and it can't be reduce so it will be 3.61

# I need a inequality

At a county fair you by 20 tickets that you can use for carnival rides and other attractions,some rides require 1 ticket while other require 2 tickets.write an inequality describing the possible number...

# Solve the system of equations algebraically ( substitution) y-6x=105 3y-10x=315+8x

I have no idea how to do this problem please help and explain to me how to do this problem thank you

# In the order pair (2,2) a solution to the inequality y<2x+3

Please show work thank you very very much

# Multi step equations and inequalities

a group  produced 8 plays over the last 2 years. Their goal is to prodce 11/2 times as many as in the previous 2 years. How many plays do they want to produce?

# Where does PEMDAS come from?

I know what it stands for, but how was the order of operations decided upon?

# seven times a number and 7 is equal to six times a number

i dont understand. halp. 7x time 7 = 6x

# how do i divide numbers by zero?

2/0 how do i do it

# HOW TO FIND THE VALUE OF Y FOR THE GIVEN VALUE OF X

So I know the answer is 54, but my teacher didn't explain why, so I was hoping someone here could explain how she got that. y=2x3 ; x=3    So what I did was multiply 2x2x2 because...

# express the answer from the equation 4x-3 (x-2y)+1/2 (6x-8y) as an equivalent expression in factored form

Express the answer from the equation 4x-3 (x-2y)+1/2 (6x-8y) as an equivalent expression in factored form.

# What is the value of 2x^2+18 when x = -6?

What is the value of 2x^2+18 when x = -6?

# input output

write a rule(equation) that works for the input/output table  Find the missing output input input   output 5         11 6         14 10...