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Question 604681: Hi, I would like some help evaluating the following expressions:
a) 6+8/2+3 I tried and I got 2.8
b) [17-(-4)]/7-3
c) ((-4)^3-1)/5+4+3*3

Thank you. I appreciate your help.
Click here to see answer by bucky(2189)

Question 604675: Hi, I would like some help solving this equations:
a) x/6-3=-1
I tried
x/6-3=-1
+3=+3
x/6/2 = 2/2
x=12

b) 8x-5>13+2x
+5 +5
8x/8 18+2x/8x
x= 2.5
However don't think they are right.I appreciate your help.

Click here to see answer by bucky(2189)

Question 604814: 2x+7=11
3-2x=1

Click here to see answer by Jcheatgamer17(1)

Question 604881: Write the equation 2x^2-4x+6=1 in general form and then write down the value of "c"
solution:
The standard form is ax^2 +bx +c =0
So the given equation become
2x^2-4x+6-1=0
2x^2-4x+5=0
compearing with the general form C=5 ANS
Click here to see answer by atique.ah(27)

Question 604878: Write the quadratic equation in general form
(x-3)^2=0
Click here to see answer by atique.ah(27)

Question 604884: Solve.
9x^4-9x^2+2=0
Click here to see answer by atique.ah(27)

Question 604999: Adam takes 4 hours to do a job and Sloan takes 5 hours to do the same job. If they work together, how many hours will it take them to complete the job ?
Click here to see answer by lynnlo(4176)

Question 605073: Suppose that a chemistry student can obtain two acid solutions from the stock room. The first solution is 20% acid and the second solution is 45% acid. (The percentages are by volume.) How many milliliters of each solution should the student mix together to obtain 100 milliliters of 30% acid solution?
Click here to see answer by mananth(16946)

Question 605087: Use the logarithmic properties to expand the logarithm expression as much as possible. Ln (x to the 5th z to the 2nd over y to the 7th)
Click here to see answer by stanbon(75887)

Question 605098: Use the log properties to condense the logarithm expression as much as possible. 4log (base b) x-2log(base b)+5log(base b)z
Click here to see answer by stanbon(75887)

Question 605084: Algebra problem
Click here to see answer by Edwin McCravy(20054)

Question 605115: Log base 4 (sq root x over 16) it states to expand the logarithm as much as possible and simplify
Click here to see answer by stanbon(75887)

Question 605287: -2x+7<=6
Click here to see answer by lynnlo(4176)

Question 605325: Suppose a chemistry student can obtain two acid solutions from the stock room. The first solution is 20% acid and second solution is 45% acid. How many millimeters of each solution should the student mix together to obtain 100 millimeters of 30% acid solution?
Click here to see answer by stanbon(75887)

Question 605329: Hoe much soil containing 45% sand do you need to add to 1ft(cubed) of soil containing 15% sand in order to make a soil containing 35% sand?
Click here to see answer by stanbon(75887)

Question 605496: x+1\3x=8
Click here to see answer by solver91311(24713)

Question 605580: Tell how to find the value of the variable 5x=25
Click here to see answer by solver91311(24713)

Question 605591: What is an example of something that is 1.75 diameter?
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Question 605745: What is the length of QR to the nearest hundredth of a centimeter? _____cm

Click here to see answer by mathie123(224)

Question 605888: Write the equation of the a is of symmetry, find the coordinates of the vertex of the graph of each function.
y= -(x-2)^2+1
Click here to see answer by lwsshak3(11628)

Question 606094: Slope of 6y-2x=36?
Click here to see answer by nerdybill(7384)

Question 606224: solve the systems x+y=7. X^2+y^2=25
Click here to see answer by lynnlo(4176)

Question 606231:
Click here to see answer by mathie123(224)

Question 606153: 5h-h+2h
Click here to see answer by mathie123(224)

Question 606152: p+7p-8p
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Question 606151: 4n+3n+n
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Question 606150:
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Question 606149:
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Question 606271: if y is any real number, the y exponent 1=

Click here to see answer by solver91311(24713)

Question 606291: It rained 1/5 of the days during the month of April. How many days in April did it not rain?
Click here to see answer by vleith(2983)

Question 606307: X=y-6
2x+3y=33
Click here to see answer by vleith(2983)

Question 606279: x3+64=0
Click here to see answer by unlockmath(1688)

Question 606316: 3 ratical 5 * ratical 5
Click here to see answer by stanbon(75887)

Question 606315: (3x+5)(x-1)=x^2+9x-1
Click here to see answer by vleith(2983)

Question 606329: Determine the midpoint of the segment whose endpoints are A(7, 3, -4) and B(-3, 1, 0).
(5, 1, -2)
(2, 0, 2)
(2, 2, -2)
(-5, -1, -2)

Click here to see answer by Alan3354(69443)

Question 606428: Formula for the radius of a cylinder

Click here to see answer by richard1234(7193)

Question 606439: (square root of 2x minus 3) squared
Click here to see answer by Cintchr(481)

Question 606453: Can circles squared by their diameter?
Click here to see answer by Alan3354(69443)

Question 606526: Terri and Juan earned $1,150 from a one-year investment of $15,000. If Terri invested some of the money at 8% interest and Juan invested the rest at 7%, how much did each invest?
Click here to see answer by mananth(16946)

Question 606564: Five years ago the sum of the number of years in the ages of Alice, Beatrice, Carlos, and Devon was 46. In years, what is the sum of their ages now?
Click here to see answer by josmiceli(19441)

Question 606562: Angela, bob, and Charlie have a total of $35 in dollar bills. Bob has 3/4 as much as Angela and Charlie together. How many dollar bills does bob have?
Click here to see answer by josmiceli(19441)

Question 606560: A container is half full. After 20 ounces are poured out, the container is 1/3 full. Find the number of ounces in the container when it is full.
Click here to see answer by josmiceli(19441)

Question 606567: how to solve this problem 18/25 in lowest terms

Click here to see answer by rfer(16322)

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