
Algebra /Happy Holiday Everyone
Evaluate the Expression This is combination nCr (9 6 3 ) (6 4 1 ) n! r!(nr)! I have try everything and came up 1296 and that was wrong. Could someone please help when you have time. Thank You
asked by Mary Ann on May 23, 2014 
math
A box contains 8 red marbles, 8 green marbles, and 10 black marbles. A sample of 12 marbles is to be picked from the box. How many samples contain exactly 7 red marbles or exactly 6 green marbles? The answer key sets it up as (8 nCr 7)*(18 nCr 5)+(8 nCr
asked by Dan on October 17, 2018 
math
proof thise for me. nCr=nCrr 2) nCr+nCr+1=n+1Crr+1
asked by stanley on February 24, 2013 
math
prove:1) nCr=nCrr 2) nCr+nCr+1=n+1Crr+1
asked by stanley on February 23, 2013 
Evaluate the expression.Algebra
Evaluate the expression. (9/6) (6/4) (3/1) I think this are combination I try three different ways, now I am not sure how to do it.
asked by Mary Ann on May 21, 2014 
ALGEBRA
Evaluate the expression. (8/6) I came up with 28 with the combination formula.Is this correct.
asked by MONICA on November 23, 2011 
Algebra
Evaluate the express. nCr (9 over 6)(6 over 4)(3 over 1) n 9 6 3 r 6 4 1 I came up with, [10 over 6!(106] [6 over 4(42!) [3 over 1!(11)!] from there I so sorry I don't know where to go. thank you
asked by Mary Ann on May 22, 2014 
Math
Alex's favorite restaurant is a buffetstyle Chinese restaurant downtown. Each time he goes, he chooses 2 appetizers and 1 entree. If the restaurant has four appetizers and 5 entrees to choose from, how many, times could Alex go to the restaurant without
asked by Tom on April 6, 2014 
MATH
if nCr+2*nCr=nCr4+1*nCr1
asked by sara on September 3, 2015 
Algebra
Use symbols to write the expression and then evaluate it Thirty six squared divided by six cubed The given expression symbol is? Evaluate it
asked by Tammy on September 23, 2012 
Advanced Math I
If a * b = a  3b and a # b = 2a + 3b, evaluate the expression (4 * 3) # 5. If y # y = 2x + 3y and x * y = 5x + 4y, evaluate the expression 2 # (4 * 3). Please help! Try to explain how I should solve these  don't just give me the answer. These problems
asked by confused.... on September 8, 2007 
Math
Translate the phrase into an algebraic expression. Five times k A 5k (my answer) B k + 5 C k divided by 5 D 5  k Evaluate the expression when a = 6 a24 A  30 (My answer) B  18 C 18 D 22 Evaluate the expression when s = 9 and t = 12 2s  t A  6 B 6 C
asked by hrn on October 31, 2017 
math 115
1. divide 36/4= 9 is this correct? 2. evaluate the expression 5 +3= 2 is this correct? 3. evaluate the expression ( 6) power of 2  (16/2) = 2.5  8 = 10.5 is this correct? 4. Evalute the expression 45/ 5 X 3 power of 2= 9x9= 81 is this correct? 5.
asked by Lea on September 5, 2009 
algebra
Let X be a number. Translate the English phrase or sentence into a mathematical expression. Then evaluate the expression for X =8. The expression is ?
asked by john on January 22, 2015 
Math
Write an algebraic expression for each word phrase on the board. Evaluate each expression for x=2 3 times x=6 Expression: 3x
asked by Jerald on November 18, 2013 
Algebra 2
Evaluate the following expression for the given values of the variables. 1. (2s  t^2) / (st^2) for s = 5 and t = 3 A: 1/45 or 45 Simplify each expression. 2. x  3y + 4x  9y + 2 A: 3x  12y + 2 3. 4(a + 2b)  3(a  5b) A: a + 3b 4. 5  (3m + 2n) A: 5
asked by Victoria on September 2, 2014 
Math PIZZAZZZ
how does a rodeo star get around?? well if you cant give me an answer can you help me. heres the instructions First Simplify the expression below. Then evaluate the expression for the given value or the variable. Find the simplified expression in the
asked by Anonymous on August 27, 2009 
math 115
1. evaluate exactly square root 100 square root64 = 10 8 = 2 is this correct? 2. evaluate the expression 5 +3= 2 is this correct? 3. evaluate the expression. (6)^2 (16/2)= (6)^2= 36 is this correct? thank you
asked by Lea on September 6, 2009 
algebra 2 word problem
1) a fitness club advertises a special for new members. each month of membership cost $19, with an initial enrollment fee of $75.00. write an expression for the total cost. Then evaluate your expression for 8 months of membership i wrote: $75.00 + 19m = ?
asked by marko on October 20, 2011 
MATH URGENT
Write the calculator key sequence you would use to evaluate each expression. Then evaluate. A.) (13)^4/4 B.) (2)^0+4*17^0 C.) 169 (2^3)+(4)^2 Thank you and I pleeeeese explain how to do this
asked by SPIKE on January 8, 2013 
Math. Need help
1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate ab^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2  y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 d. 24 5.Evaluate
asked by A. on August 28, 2016 
math 115
1.evalute the expression 8 + 15 = 7 is this answer correct? 2.evaluate the expression 19+(+4) = 23 is this answer correct? 3.Evaluate the expression (13) (4) (6) = 312 is this answer correct? 4. evaluate 10+ 2 =8 is
asked by Lea on September 5, 2009 
Algebra
Guess the 4digit combination. An X stands for a correct digit in its correct place in the combination and an O stands for a correct digit out of its corect order. 8256 OX Two of the four digits 8,2,5,6 appear in the final combination(one in the position
asked by Matt on April 9, 2011 
math
translate the phrase into a mathematical expression and then evaluate it. sixtten squared divided by four cubed. The given expression in symbols is? (do not simplify. type exponential notation with positive exponents.) Evaluated, the expression is equal
asked by henry on June 23, 2013 
Math
Evaluate the expression: 4⋅9+6−3 Evaluate the expression: 53−122+25 39 and 44
asked by Bri on December 18, 2017 
ALGEBRA
Evaluate the expression. (11) (5) (3) 3 3 1 Evaluate the expression. (7) 5 I had 7 as the answer.
asked by Rose on May 27, 2012 
algebra
Consider the following four polynomials, labeled A  D: A. ( 2x2  4x ) B. ( x3  1 ) C. ( 3x3 + x2  4x ) D. ( x5 + x2  3 ) Find an algebraic expression that uses each of the four polynomials once and simplifies to: x8 + 3 Your expression may involve
asked by Lilly on May 26, 2014 
Calculus (Integrals and Derivatives)
Evaluate the following expression: d/dx (integration sign: upper=1 and lower= 3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 28.0 None of the above Would the result of the expression be 0 or 5???
asked by Mishaka on February 15, 2012 
Math/ help please
In another calculation, Rachel needs to evaluate the expression 5fifth root square ( 400^2). What is the value of this expression?
asked by Kim on November 8, 2017 
Calculus
Evaluate the following expression: d/dx (integration sign: upper=1 and lower= 3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 28.0 None of the above Would the result of the expression be 0 or 5???
asked by Mishaka on February 15, 2012 
algebra
***show work evaluate the expression: 7^6 (6)^9 simplify the expression. write your answer using only positive exponents. 4x^2*x 2a^0*a^2
asked by SoccerStar on April 20, 2011 
Alegbra
Use properties of exponents to simplify the given expression. First express the answer in exponential form. Then evaluate the expression. 3^2 3^3=
asked by Tim on March 11, 2017 
Math
Write a real world situation that can be represented by the expression 8(t  3). Tell what the variable represents then give a value for t and evaluate the expression.
asked by Jamie on April 25, 2016 
Math, please help
Write a real world situation that can be represented by the expression 8(t  3). Tell what the variable represents then give a value for t and evaluate the expression.
asked by Mike on April 25, 2016 
Math
Write an numerical expression equivalent to (3) (3) (3) using exponents. Evaluate the expression above
asked by Amy on February 11, 2015 
algebra
Evaluate the following expression: 2+5+(11)+4 Notice the vertical bars enclosing the expression can anyone help me.
asked by norma on July 4, 2010 
algebra
Algebra 1. Use the Distributive Property to simplify the expression. (1)(4c) 2. Use the Distributive Property to simplify the expression. 4(2x 4) 3. Use the Distributive Property to simplify the expression. (10 + 4 y) 1/2 4. To which subsets of real
asked by dfhsh on September 25, 2018 
Algebra
1. Use the Distributive Property to simplify the expression. (1) (4c) 2. Use the Distributive Property to simplify the expression. 4 (2 x  4) 3. Use the Distributive Property to simplify the expression (10+4y) 1/2 4. To which subsets of real numbers
asked by PolkaDot on October 14, 2016 
Algebra
1. Use the Distributive Property to simplify the expression. (1)(4c) 2. Use the Distributive Property to simplify the expression. 4(2x 4) 3. Use the Distributive Property to simplify the expression. (10 + 4 y) 1/2 4. To which subsets of real numbers
asked by PolkaDot on October 7, 2016 
trigonometry
Evaluate the following expression. Your answer must be in exact form: for example, type pi/6 for π6 or DNE if the expression is undefined. arctan(tan(−31π6))
asked by Dan on May 2, 2015 
Algebra
Evaluate the expression.(50) How do I solve this expression? Can you show work. Thanks.
asked by Mike P on January 31, 2013 
College Math
Simplify the algebraic expression 3z3 – 5x2 + 2 – 4y2 + 6x2 – 4z3 – 7y + 12 – 2x and evaluate it for x = 2, y = 3, z = 4. Identify the variables, constants, and coefficients in the simplified expression.
asked by Richard D on October 11, 2012 
College Math
Simplify the algebraic expression 3xz + 4xy – 2yz + xy + 5yz – 9xz and evaluate it for x = 3, y = 2, z = 5. Identify the variables, constants, and coefficients in the simplified expression.
asked by Richard D on October 11, 2012 
math (this correct)
What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
asked by scooby9132002 on May 5, 2009 
Math
You and six friends go to a movie. The tickets cost $7.50 each. You each buy a drink for $2.00 and a box of popcorn for $3.75. Write an expression that represents the total amount of money spent. Then evaluate the expression.
asked by Anonymous on September 6, 2018 
chemistryconfirm please
Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the
asked by Tom on May 25, 2008 
statistics
Are these using nCr? If not what formula do I use? P(20,x,23)= P(x.23)=
asked by Amy on October 30, 2013 
Math
1. Which expression is equivalent to (2)(a+6)? A. 2a+6 B. 2a+12 C. 2a12*** D. 2a+12 2. To which sets of real numbers does the number 22 belong? Choose all subsets that apply. (There's two right answers) Whole Numbers Rational Numbers*** Integers***
asked by EmberShy on January 11, 2017 
math ,correction
consider determining how many possible phone numbers are in an area code (repeated numbers allowed) is this a combination, permutation or neither.... my answer neither combination. combination. wouldn't it be neither because we are allowed to use repeated
asked by student on July 15, 2007 
Math
What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
asked by scooby9132002 on May 5, 2009 
math/algebra
please check my answers Suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70 F and it drops to 58 F at 5 p.m. How much did the temperature change each hour? 12/5=2.4 degrees per hour. Evaluate the expression
asked by allen on November 27, 2007 
Gr. 10 Math
Evaluate each expression for the given value(s) of the variable(s). 2x^2  3xy + 4y^2 for x=2, y=1 My Answer: (2(2^2))  (3*2*1) + (4(1^2)) = 10 Text Book Answer: 18 Please help. Am I doing something wrong? I redid the expression 3 times and still got
asked by John on April 20, 2010 
Math
Can you guys please check my answers? Evaluate x/y for x = 2/3 and y =6/7 1. 7/9 2. 8/10*** 3. 9/12 4. 12/21 Simplify the expression (3/7^2) 1. 3/7 2. 6/14 3. 9/49*** 4. 5/9 What is the simplified form of the expression 7[63 ÷ (52 – 22) – 1]? 1. 10 2.
asked by unknownchild on January 10, 2018 
Math
you want to buy a newly released CD . the CD costs $17. plus 6percent tax. write an expression that represents how much money in dollars you need to buy the CD . evaluate the expression
asked by Sage on October 4, 2011 
math
is zero a multiple of every number? Find the prime factorization of the number, and write it in exponent form. 198 Compute the value of the given expression. _8_ 118 Evaluate the expression. 8x + 8y, for x = 8 and y = 1
asked by Anonymous on February 23, 2011 
math
A hiking club charges an initial fee of $60 and then $12 for each hiking trip. Write an expression to model the total cost and then evaluate the expression for 4 hikes.
asked by rona on February 24, 2015 
algebra
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 4logbx  logby
asked by ada on December 5, 2014 
PreAlgebra
Evaluate the expression. 1. (18 + 9) + 11 2. 8(2)(5) 3. 1.2 + 4.7 + 1.5 Simplify the expression. 4. t + 24 + 17 5.8 + c + (10) 6.4(6x)
asked by Amy on October 14, 2011 
math
Catherine needs to evaluate the expression below 7+4(6) What is the value of this expression A. 17
asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on May 28, 2014 
Math
nPr=6720 and nCr=56, then the value if r is___?
asked by Helen on July 8, 2015 
Algebra
1.) Use the distributive Property to simplify the expression . (1)(4  c) A. 4  c B. 4 + c C. 4 + c D.4  c 2.)Use the distributive Property to simplify the expression 4(2x  4) A.8x + 4 B.8x  4 C.8x  16 D.4x  16 3.) Use the distributive Property to
asked by Math is going to be the death of me on September 5, 2018 
college algebra
Use properties of logarithms to condense the logarithmic expression. Wreite the expression as a simple logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. Inx + In 15 Please show work
asked by Ladybug on November 28, 2012 
math
Algebra 1.) Use the distributive Property to simplify the expression . (1)(4  c) A. 4  c B. 4 + c C. 4 + c D.4  c 2.)Use the distributive Property to simplify the expression 4(2x  4) A.8x + 4 B.8x  4 C.8x  16 D.4x  16 3.) Use the distributive
asked by dfhsh on September 13, 2018 
URGENTquestions for Math
A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of the jeans is $40,evaluate the expression to find the sale price. s=p0.25 p;$30 s=p25:$15*** s=p0.25p;$10 s=p0.25;$39.75
asked by Gabby on September 3, 2013 
Algebra
Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to administer each test. Write an expression that gives the total cost to test x animals. Hint: An expression is a combination of known
asked by Joisey girl on December 13, 2011 
3rd grade math
Write an expression that equals 468 that includes a combination that adds up to 100
asked by Megan on March 16, 2010 
algebra
^ = exponent **show work please A sheet of 67pound paper has a thickness of 100^1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67pound paper b. write and evaluate an expression for the total thickness of 2^3 sheets of
asked by SoccerStar on April 20, 2011 
Algebra 1
Suppose the growth of a population (in thousands) is represented by the expression 32*2.1^x, where x represents the number of years since 2010. Evaluate the expression for the year 2015. Round to the nearest whole number. a. 41 b. 1,307 c. 67 d. 622
asked by Chloe on January 25, 2017 
Algebra
Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is
asked by Carmen on February 4, 2016 
Math
Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is
asked by Carmen on February 4, 2016 
algebra
Evaluate the following. 4*414/2+6 =15 Evaluate the following expression. 2*[1+(19+13)/4] =18 Evaluate. 50+25/5^2 = 51
asked by PLS Check on May 6, 2012 
math
Evaluate the combination. its in parentheses with the ten on top, and the 6 on the bottom, they are both in the same set of parentheses (10) (6 ) a. 5040 b. 210 c. 75,600 d. 48
asked by Dana on May 4, 2008 
Algebra HELP!
If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal), then this sum of money increased by a factor of (1+x)^3 after 3 years. A. multiply this expression B. Evaluate the polynomial expression
asked by Adriana on June 11, 2012 
HELP PLZ
1. Milo bought pounds of red apples and pounds of green apples to make applesauce. How many pounds of apples did he buy in all? a. Write an expression that models the problem. b. What is the LCD of the fractions in your expression? Explain how you found
asked by mary ann on December 17, 2013 
URGENT MATH
A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of the jeans is $40,evaluate the expression to find the sale price. s=p0.25 p;$30 s=p25:$15*** s=p0.25p;$10 s=p0.25;$39.75
asked by Gabby on September 3, 2013 
Math
Let me know if I'm correct please For exercises 1 and 2 translate each phrase into an algebraic expression The difference of a number and sixteen n+16 n16
asked by AABBCC on October 13, 2015 
Math
During a track meet Kelly throws the shotput 51 feet, 50 feet,and 58 feet. Write an expression that represents the length of her average throw in feet. Evaluate the expression.
asked by Valerie on August 27, 2015 
Math
The expression 3 x n can be written 3n. Use n= 1,2,3 ..., 10 to evaluate the expression. Describe the set of ten numbers. Suppose the sequence continues ror values of n greater than 10. Do the numbers 12, 21, 30 or 210 appeae in the sequence?
asked by Sally on August 28, 2017 
Calculus AP
Let R be the region in the first quadrant bounded by the graph y=3√x the horizontal line y=1, and the yaxis as shown in the figure to the right. Please show all work. 1. Find the area of R 2. Write but do not evaluate, an integral expression that gives
asked by Jess on March 1, 2013 
6th grade
write an expression for the area of this rectangle 20cm on the top 4cm on the right at the top and 8cm on the left.evaluate your expression to find the area.
asked by mahogany on September 20, 2009 
intermediate algebracan somebody check my answer
Evaluate the expression m^2+93+7 when m=4 4^2+9*(4)+7 does it = 13
asked by Rachal on February 15, 2011 
Algebra
evaluate the expression c + 7b when c = 2 and b = 5
asked by Barney on November 10, 2007 
Math
C=3 and d=6 Evaluate the expression c  (d)
asked by Sheshe on September 6, 2011 
mathsdefinite integral
evaluate the following expression at z=5 d/dz ¡Ò[z to 2] (3+x^2)dx
asked by May on October 19, 2010 
math
Evaluate the expression. 11! 6! 4! 2! 3! 1!
asked by libby on November 30, 2014 
Algebra
Evaluate the expression c + 7b when c = 2 and b =5
asked by Barney on November 9, 2007 
Math
Evaluate the expression 8–^2 x 40 a.16 b.64 c.–64 d.1/64 ****
asked by PLZ HELP ME on October 2, 2015 
HELP PLZ WITH MATH
Evaluate the expression 8–^2 x 4^0 a.16 b.64 c.–64 d.1/64 ****
asked by PLZ HELP ME on October 2, 2015 
math
evaluate the expression (94) 93 a. 94 b. 93 c. 1 d. 88 e. 5
asked by lottie on August 30, 2016 
math
how do you evaluate this expression 14.6+[(4221.4)*35]
asked by shion on April 27, 2012 
algebra need help
Evaluate each expression. 3x^22x+1 if x=5 3a^2b^3 if a=2, b=3
asked by kate on February 8, 2009 
maths
evaluate the expression (94) (93) a. 94 b. 93 c. 1 d. 88 e. 5
asked by jessie on August 31, 2016 
math
Evaluate the expression: s = 8; 6s^2
asked by Miguel on July 24, 2016 
Math
evaluate the expression 2x3y4z x=7 y=3 z=1
asked by christopher on April 30, 2010 
ALGEBRA
Evaluate the expression. \( _5^9 \) \( _2^4 \) \( _1^4 \)
asked by Urgen please help on June 14, 2012 
Maths
Evaluate the following expression when a = 7 and b = − 3.
asked by Lizzie on December 18, 2010 
Math
Evaluate the expression when c=2 and y=7. y+7c
asked by Barry Vacker on February 5, 2019 
Math
4x+5y X=6 y=17 evaluate the expression
asked by Anonymous on January 22, 2014 
Math
4x+5y X=6 y=17 evaluate the expression
asked by Anonymous on January 22, 2014 
math
how do you evaluate this expression 18.9[(33.3~11.1)*6]
asked by shion on April 27, 2012
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