Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

Algebra ->  Expressions -> Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!      Log On


   



Tutors Answer Your Questions about expressions (FREE)


Question 1120706: evaluate: (ab)^6
Click here to see answer by MathLover1(20850) About Me 

Question 1121098: 2^x=8x. solve for x

Click here to see answer by Edwin McCravy(20060) About Me 

Question 1121127: simplify the following expression
(xy^-4/2x^2y^3)^2
Find X and Y intercepts of this equation. then graph the line
-3x+4y=8
evaluate the following expression: +5+2(3.4)
Jan has a piece of string. the string is 108 inches. he cut the string into
three diffrent pieces. one piece is two inches more than the shortest pieces, and the longest pieces is four inches longer than the shortest piece. What the length of the longest piece?

Click here to see answer by greenestamps(13203) About Me 

Question 1121292: Can you please help me understand this problem? P=4s for s.
Click here to see answer by Alan3354(69443) About Me 

Question 1121294: Please show me how to do this problem -3x+10=-6x-9, I got the number right but I'm having trouble understanding how it's negative.
Click here to see answer by Alan3354(69443) About Me 
Question 1121294: Please show me how to do this problem -3x+10=-6x-9, I got the number right but I'm having trouble understanding how it's negative.
Click here to see answer by ikleyn(52832) About Me 

Question 1121293: Please show me how to solve this problem
P=KT/V for K

Click here to see answer by Alan3354(69443) About Me 

Question 1121295: Please show me how to do this problem slope= 1/4; (8,3) is on the line.
Click here to see answer by Alan3354(69443) About Me 

Question 1121391: if 16 + 4x is 10 more than 14, what is the value of 8x?
Click here to see answer by Boreal(15235) About Me 
Question 1121391: if 16 + 4x is 10 more than 14, what is the value of 8x?
Click here to see answer by Alan3354(69443) About Me 

Question 1121602: 80-(4-1)^3

Click here to see answer by josgarithmetic(39623) About Me 

Question 1121687: (-5) To The Second Power
Click here to see answer by ikleyn(52832) About Me 

Question 1121728: Susan is 3 inches taller than her mom. Susan's sister is 2 1/3 feet
shorter than her and 8/13 the height of her mother. How tall is
Susan's mom?

Click here to see answer by josgarithmetic(39623) About Me 
Question 1121728: Susan is 3 inches taller than her mom. Susan's sister is 2 1/3 feet
shorter than her and 8/13 the height of her mother. How tall is
Susan's mom?

Click here to see answer by MathTherapy(10555) About Me 
Question 1121728: Susan is 3 inches taller than her mom. Susan's sister is 2 1/3 feet
shorter than her and 8/13 the height of her mother. How tall is
Susan's mom?

Click here to see answer by ikleyn(52832) About Me 

Question 1121812: subtract 3a to the second -7x +2 from the sum of a to the second +x+1 and 4a to the second -5x+2 I am tyring to figure this out and the answer don't look correct
Click here to see answer by josgarithmetic(39623) About Me 
Question 1121812: subtract 3a to the second -7x +2 from the sum of a to the second +x+1 and 4a to the second -5x+2 I am tyring to figure this out and the answer don't look correct
Click here to see answer by MathTherapy(10555) About Me 

Question 1122079: what would the product of n to the 2nd power be if n equals 7 and it also equals 0.4?
Click here to see answer by solver91311(24713) About Me 

Question 1122113: evaluate the expression if a=2, b=3 and c=4
2a+4b-c 6(a+c)-b

Click here to see answer by Boreal(15235) About Me 

Question 1122844: solve each equation
(2x-7)(7x+2)=0

Click here to see answer by Boreal(15235) About Me 

Question 1122843: solve each equation (2x+3) (4x-5)=0
Click here to see answer by josgarithmetic(39623) About Me 

Question 1123034: What is a in the equation -1110a = 105a + 6075
Click here to see answer by MathLover1(20850) About Me 

Question 1123078: Using the numbers -4, 10, 8, 2, -3, -5, create two expressions that equal 6
Click here to see answer by Alan3354(69443) About Me 

Question 1123093: A circle has an initial radius of 22 cm when all of a sudden the radius begins shrinking at a constant rate of 4 cm per second.
a. Write a formula that expresses the radius of the circle in cm, r, in terms of the number of seconds t since the circle started shrinking.
r=
b. Write a formula that expresses the area of the circle in cm2, A, in terms of the radius of the circle in cm, r.
A=

c. Write a formula that expresses the area of the circle in cm2, A, in terms of the number of seconds t since the circle started shrinking.
A=
d. Define a function f that determines the area of the circle in cm2 given the number of seconds t since the circle started shrinking.
f(t)=

e. Repeat part (c), but assume that the radius of the circle is shrinking at a constant rate of 8 cm per second.
f(t)

Click here to see answer by Boreal(15235) About Me 

Question 1123223: Find the equation of line l which goes through (6,-5) and is parallel to y=-8x-3. Write your answer in standard form.
Click here to see answer by josgarithmetic(39623) About Me 

Question 1123224: Line l has slope 9 and goes through ( 0, 1/6). Find the equation of line l and write it in standard form with integral coefficients.
Click here to see answer by josgarithmetic(39623) About Me 

Question 1123225: Line l goes through (-1,-4) and its perpendicular to y= -5x+7. Find the equation of the line l and write it in standard form with integral coefficients.
Click here to see answer by josgarithmetic(39623) About Me 
Question 1123225: Line l goes through (-1,-4) and its perpendicular to y= -5x+7. Find the equation of the line l and write it in standard form with integral coefficients.
Click here to see answer by ikleyn(52832) About Me 

Question 1123228: Write a formula that describes the function. A developer prices condominiums in Florida at $23,000 plus $45 per square foot of living area. Express the cost C as a function of the number of square feet of living area s.
Click here to see answer by Boreal(15235) About Me 

Question 1123226: Write a formula that describes the function. Express the area A of a trapezoid with bases 14cm and 8 cm as a function of its height h.
Click here to see answer by Boreal(15235) About Me 

Question 1112043: A family has a rectangular backyard that measures 3x+5 by 2x-1. They are building a square patio with side lengths that measure x+3. Write an expression for the area of the gras that will be left in the backyard after the patio is built.
Click here to see answer by Rhodium(14) About Me 

Question 1123327: x+3(x-5); x=25
Click here to see answer by josgarithmetic(39623) About Me 

Question 1123393: Log2(12x-10)=1+log2(4x+3)

Click here to see answer by jerryguo41(197) About Me 

Question 1123407: Travis wrote the following expression to show that his sister's age is 5 years less than twice his age. Explain what he did wrong. Give the correct expression.
Let a stand for my age.
My sister's age: a/2 -5

Click here to see answer by ikleyn(52832) About Me 

Question 1123442: Solve for each variable Show me so I understand
%283%29%2F%282m%29-%286%29%2F%282m%2Bm%5E2%29=+%281%29%2F%28m%2B2%29




























Click here to see answer by Boreal(15235) About Me 

Question 1123436:
Click here to see answer by MathLover1(20850) About Me 

Question 1123485: solve variable in equation
+%282%29%2F%28y%2B2%29-%286%29%2F%28y%5E2%2B5y%2B6%29=%285%29%2F%28%28y%2B2%29%5E2%29

Click here to see answer by MathLover1(20850) About Me 
Question 1123485: solve variable in equation
+%282%29%2F%28y%2B2%29-%286%29%2F%28y%5E2%2B5y%2B6%29=%285%29%2F%28%28y%2B2%29%5E2%29

Click here to see answer by MathTherapy(10555) About Me 

Question 1123483: solve for variable in equation



Click here to see answer by josgarithmetic(39623) About Me 

Question 1123540: How do i write 1/2 the square of b as an algevraic expression?
Click here to see answer by Alan3354(69443) About Me 
Question 1123540: How do i write 1/2 the square of b as an algevraic expression?
Click here to see answer by rothauserc(4718) About Me 

Question 1123633: What is the value of 36x-8ysquared if x =3 and y= -6
Click here to see answer by Alex.33(110) About Me 

Question 1123793: How do I use the distributive property to multiply 4,276 by 10?
Click here to see answer by MathLover1(20850) About Me 

Question 1124558: 3 < x < 3 - find solution set

Click here to see answer by ikleyn(52832) About Me 
Question 1124558: 3 < x < 3 - find solution set

Click here to see answer by mastergerwe(4) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840