Questions on Algebra: Absolute value answered by real tutors!

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Question 67919: If I increase my usual driving speed by 10 km/h, I can drive the 255 km to Nashviille in 24 minutes less than usual. How fast do I usually drive?
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Question 67974: |8x-3|=5
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Question 67973: solve the inequality, with answer in interval notation
|2x-3| is less than or equal to 20

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Question 68048: how do you find the absolute value of a fraction?
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Question 68036: How to find the mean and the median of:
-2, -7/4, 3/4, 4, 9

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Question 68205: Is 4 a solution to the equation x + 7 = 11?
yes or no

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Question 68202: An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
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Question 68199: Solve:
5x/7 – 6x/5 = 3/35

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Question 68042: Solve.
6(2-x)=4x

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Question 68042: Solve.
6(2-x)=4x

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Question 68276: Please help to solve
3x^0 - 2(x-3^0)- the absolute value of -11 - 2(end absolute value) = 4x(2 - 5^0) - 7x

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Question 68276: Please help to solve
3x^0 - 2(x-3^0)- the absolute value of -11 - 2(end absolute value) = 4x(2 - 5^0) - 7x

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Question 68285: Solve the equation |X + 11| = |2X + 5|
Here is what I have tried so far but it is not matching to any answer I have.
x + 11 = - 2x + 5 and -x +11 = 2x + 5
with this my answer are x=-2 and x=-6 but they are not correct

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Question 68413: 28x - 2(10x-0.365)=7x + 0.035
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Question 68425: what is the value of x? 4x+20=36
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Question 68414: -3(x + 1) = 2(x-8) + 3
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Question 68451: Find the slope of the line through the following pairs of points.
(-5, -3) and (-5,2)

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Question 68463: -(-7)-8=
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Question 68523: I need help with this problem:
The directions say "solve each equation". The chapter is about solving equations and equations involving absolute value.
/-2x/ = /-8/
The / / means absolute value signs.
Thank you!

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Question 68539: Help please!! I just can't figure this one out. We are supposed to write an absolute value expression equal to: 8 < or equal x < or equal 12.
I thought that it was: |8 + x| < or equal |12+x|
Sorry the format isnt exact, I couldn't figure out how to type the less than/equal sign.
Thank you

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Question 68525: If I increase my usual driving speed by 10 km/h, I can drive the 255 km trip to Nashville in 24 min less than usual. How fast do I usually drive?
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Question 68530:
I need help with this problem: 
|-4x| + |-5| < 1

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Question 68565: i have the following equation where i have to find the value of x, and h & c are the same value
hx-4 = cx/3
so far i did: multiplied the whole equation by 3
3(hx-4)=cx
3hx-12=cx
3hx=cx+12
x=(cx+12)/3h
Could you please help me to get to the answer as i am so stuck
tnx

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Question 68628: What is the square root of 100 ?
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Question 68675: |2x - 3| = -7
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Question 69031: Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth.
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Question 69293: (2)(-3)(-10)
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Question 69357: I can not figure this out...need help
Linear Equations:Clearing Fractions and Decimals
1/6X+7/10=X

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Question 69357: I can not figure this out...need help
Linear Equations:Clearing Fractions and Decimals
1/6X+7/10=X

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Question 69376: 4/x-7/=40
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Question 69444: jenet plants 20 varietiesof flowers in the spring.she reports that 90% of the varieties of flowers she planted have blooomed.
how many varieties Have bloomed?

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Question 69498: question.... solve system of equations
1. x+y=6 2. 2x-3y=-13
y=2x y=2x+7

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Question 69522: four oranges and five apples cost $3.56. Three oranges and four apples cost $2.76. Fine the cost of an orange and an apple. (I need to know the equation in steps)
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Question 69522: four oranges and five apples cost $3.56. Three oranges and four apples cost $2.76. Fine the cost of an orange and an apple. (I need to know the equation in steps)
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Question 69455: The original price of a bik is $300. After th sale, the price is $210.What is the price and percent decrease?
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Question 69843: Angus invested $18,000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate?
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Question 69843: Angus invested $18,000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate?
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Question 69843: Angus invested $18,000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate?
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Question 69983: Molly Pritchard invests $4000 in bonds paying 11 1/2% simple interest and $5000 in bank accounts paying 9.1% simple interest. Which investment yields more interest in one year? How much more?
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Question 70276: Hello, Im from norway so i dont know what type of question this is:
This should be REALLY easy but i just cant remember what to do, hehe.
What is a+5? Because if a*5=5a, can a+5 be 5a?

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Question 70301: 4-3|x-2|=-8
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Question 70358: If f(x)= 4x -3, find the following:
f(-1)

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Question 70517: Could u please solve this equation and also pls explain step by step how to solve this. Thanks,
Prob: 15*789*9-7*789*5

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Question 70588: Lucy has a pile of 50 dimes and nickels worth $4.30. How many of each coin does she have?
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Question 70586: How many kilograms of water must be evaporated from 10 kg of a 40% salt solution to produce a 60% solution?
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