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September 23, 2014

Posts by deedra


Total # Posts: 33

algebra
Find the least common multiple v^3 + 6v^2 +9v, v^2 -6v answer 6v is this correct?
June 14, 2009

algebra
please help! can someone show me the steps in solving this? find all numbers for which the rational expression is undefined -16/19x
June 14, 2009

algebra
hat sizes are determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and proportion to complete the following table. Hat size head to 1/5 in head cm 7 1/8 22 2/5 57 ______ ______ 55 Someone please help! i am completely lost with ...
June 14, 2009

algebra
Could someone check this problem for me? 7a^6/10v^4 multiplied by 100v^7/49a answer 10a^5v^3/7
June 14, 2009

finance
A rapid rate of Growth in sales may require A. sales forcasts to be made less frequently B. higher dividend payments to shareholders C. the firm to be more lenient with credit customers D. increased borrowing by the firm to support the sales increase Wouldn't the answer to...
April 11, 2009

Math
could someone please check these problems for me? thank you! 1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal- 40lbs soybean-280 lbs 2. -0.7x<-35 A: x>50 3...
January 8, 2009

Math
1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal- 40lbs soybean-280 lbs 2. -0.7x<-35 A: x>50 3. 2+4x<14 A: x<3 4. 8x-(2x+8)=34 A:x=7 5. 5/4x+1/8x=11/...
January 8, 2009

m
Thank you very much.
January 8, 2009

m
Ok here are a few more 1. collect like terms 12r+6s-3r-9s A:9r-3s 2. translate to an algebraic expression The product of 46% and some number A: y=0.46x 3. In 1993, the life expectancy of males in a certain country was 61.3 yrs. In 1999, it was 64.7yrs. Let E represent the life...
January 8, 2009

math
thank you!
January 8, 2009

math
Can someone check over these problems for me? 1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm? A: the length must be greater than 7 cm. 2. 7x=-63 A: x=-9 3. Is (-8.-9)a solution of 2x+4y=12 A: No 4. -1/2x=-9/10 A: 9/5 5. ...
January 8, 2009

math
thank you
January 7, 2009

math
ok, i typed it out right this time. (5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?
January 7, 2009

math
In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer: E(t)=-0.03t+61.3 use...
January 7, 2009

math
(5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?
January 7, 2009

math
Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8
January 7, 2009

math
could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
January 7, 2009

math
In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer: E(t)=-0.03t+61.3 use...
January 7, 2009

math
i wanted to make sure it was correct. Sorry i didnt say that and thank you
January 7, 2009

math
Solve system of equations x+3y=7 (1) x=8-3y (2) no solution
January 7, 2009

math
could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
January 7, 2009

math
Simplify 1[-61-(58-85)] 1[-61-58+85] -61-58+85 -34
January 6, 2009

math
solve with distributive property 7(w-5)=-35 7w-35=-35 If add 35 to both sides i get zero 7w=0 so w=0?
January 6, 2009

Math
-9/7 x 2/3 = -18/21
January 5, 2009

Math
is this correct? find domain of the function p(x)=x^2-2x+2 x is a real number
January 5, 2009

math
can someone check this please find indicated outputs for f(x)= 4x^2 - 2x f(0)=0 f(-1)=6 f(2)=14
January 5, 2009

math
0.5x + 7 less than or equal to 1.3x-8 .5xless than or equal to 1.3x-15 -.8xless than or equal to -15 x less than or equal to-18.75 Is this correct?
January 5, 2009

math
I am having a really hard time with these! 1. Solve system of equations x+3y=7 (1) x=8-3y (2) 2. find slope (9,8) (10,-7) 3. translate into an algebraic expression The product of 46% and some number
January 5, 2009

math
thank you
January 5, 2009

math
Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5
January 5, 2009

math
thank you very much
January 5, 2009

math
The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm?
January 5, 2009

math
I need help on this problem. i'm not sure what to do (3x+16) (4x+219)
November 23, 2008

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