# math..solve for u again

28,147 results, page 27-
## Algebra one, help+ check? :)

So, this is my math homework. [ I scanned it so it would be easier to explain what I'm doing] h t t p://oi54.tinypic(Dotcom)/2wei16e.jpg And, I don't exactly get how to do problem number 1, and I was wondering if someone could assit me with that. Thank

*asked by Allyson on January 12, 2011* -
## Algebra Help

You are going to write a fairy tale! Your story should include all of the standard elements of fairy tales. Begins “Once upon a time … ” Animals can act like humans. Involves magical items or helpers. Ends “ … happily ever after.” Your story

*asked by Dina on January 16, 2015* -
## confused calc

dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? (you already posted this, but i still don't get it) dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C c=-1/3 so the equation is y=(2y^3)/3-1/3 then i have to find what y

*asked by david on December 13, 2006* -
## MATH

1. which ratios form a proportion a. 3/15 , 12/55 b. 8/24 , 12/35 c. 5/18 , 25/90 d. 4/11 , 16/25 4. solve the proportion using number sense: 2/8 = x/48 a. 6 b. 12 c. 16 d. 8 5. Solve the proportion using cross products. 18/20 = k/110 a. 99 b. 122 c. 3.3

*asked by Tordy on December 8, 2017* -
## Algebra

7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=

*asked by Scarlet on May 17, 2016* -
## math (college algebra)

Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP! (1) Solve the formula for the specified variable r = vx for r (the question is) v = ? a = 1/3f * p for f (the question is) f = ? (2) Solve the forulma for v S = D + vm

*asked by Sam on September 2, 2010* -
## Physics

When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s, and you come to rest in 35.0 m. How much time does this take? Assume constant deceleration. What equation do I use to solve this

*asked by Chad on October 4, 2012* -
## statistics

solve: our health organization is interested in estimating the average value of outstanding accounts receivable. After selecting a sample of 100 accounts, suppose that the mean was $120 and the standard deviation was $40. Use these data to construct a 98%

*asked by Winona on June 7, 2014* -
## chemistry

The Ka of a monoprotic weak acid is 7.25 × 10-3. What is the percent ionization of a 0.167 M solution of this acid? If the concentration is more than 1000 times greater than the Ka, then you can make an assumption that simplifies the algebra needed to

*asked by sara on April 10, 2013* -
## Mathematics Education

1.Does language interfere with learning? 2.How does gender affect mathematics achievement? 3.Does mathematics achievement depend on the school location being either rural or urban? 4.What are the various process errors committed in mensuration? Language

*asked by Mfonobong on August 31, 2006* -
## Math 6th Grade

I'm doing this math test and I have a border line A on my grade I need to make sure I don't lower my grade to a B, so any help is appreciated. Thanks! 7. The probability of winning a game is 25%. How many times should you expect to win if you play 20

*asked by Anonymous on May 10, 2018* -
## 8th grade math

dividing fractions....how do i solve this... 4/9 divided by 2/3= or 9/10 divided by 9/10= One thing I do remember is how to divide fractions! 4/9 divided by 2/3 = 4/9 multiplied by 3/2 Then once you've multiplied across, reduce the resulting fraction if

*asked by taya on September 21, 2006* -
## algebra 2

Nonlinear homework... Solve the system by elimination. 1)y=x^2+2 -4x-y=10 2) Solve the system using substitution. Y=-3x^2+x-2 Y=-5x+3

*asked by jenny on May 8, 2012* -
## algebra

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Anonymous on November 11, 2009* -
## math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Amanda on November 11, 2009* -
## math

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

*asked by Amanda on November 11, 2009* -
## math

how to solve (3a squared+3a+3)+(15a squared+2a-9) need the steps on how to solve this I have to show all work

*asked by shawnee on December 12, 2012* -
## algebra 2

Nonlinear systems Solve the system by elimination. y=x^2+2 -4x-y=10 Solve the system using substitution. y=-3x^2+x-2 y=-5x+3

*asked by jenny on May 10, 2012* -
## Math

How do you solve 2y-5x=10 using the dual intercept method? I have to solve for X int and y int on a graph. Please help

*asked by Layla on August 31, 2014* -
## Algebra

Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve the system. x+y=11 x-y=5

*asked by gdlola on March 2, 2012* -
## Algebra 2

Solve. 4a-2≤a+1≤3a+4 4a-2-1≤a+1-1≤3a+4-1 4a-3-3≤a≤3a+3-3 4a/3-6/3≤a≤3a/3 4a/3(1/a)-2≤a≤a(1/a) 4/3-6≤a≤1 I got lost at this part. I'm not sure what to do now, if i am solving it correctly. Solve. 3x

*asked by Anonymous on October 1, 2011* -
## Algebra

I need help learning to solve substitution. I have a problem that says solve the system by substitution -4.5x-2y=-12.5 3.25x-y=-0.75

*asked by Samantha on October 9, 2017* -
## Math

17) solve this linear system using the method of substitution. 2y-x=-10 y= -3/2x-1 20) simplify then solve by substitution 2(x-4)+y=6 3x-2(y-3)=13 just need help with these 2.

*asked by Ma names Jeff on February 27, 2016* -
## Math

is solve f(x) = 0 for x the same thing as solve f(x) = 0? Would you do the same thing or does the difference in the wording make it a different question?

*asked by Holly on August 16, 2012* -
## Statistics

How do you solve this? 28!/(28-28)!28! * 0.88^28 *0.12^28-28 I need help on how to solve this on a graphing calculator(TI-83 Plus) Can you help me? Please show step by step instructions! Thank you!!!

*asked by Valerie on October 26, 2011* -
## algebra

my question is this how do you solve this equation? x=3y-1 x+2y=9 solve each system of equation by the substitution method.

*asked by mayra on February 11, 2009* -
## algebra

Help, Can anyone show me how to do the formula to solve these equations? 4x-5y=38 7x-8y=-22 If you can show me the right way to solve, I do not understand how to get the answer.

*asked by James H. on September 19, 2010* -
## Algebra 1

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

*asked by Esther on January 20, 2011* -
## Algebra 1

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

*asked by Esther on January 20, 2011* -
## algebra

solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 200-25x=y

*asked by hernan on January 15, 2013* -
## calculus

1) Solve for x in terms of k: log3(x) + log3(x+7) = k; 3 is the base 2) e^(x+5) = e^(x) + 6, solve for x. Please help, I have no idea how to do these and I've tried several times!

*asked by Cornelius on October 2, 2010* -
## math

I'm trying to solve these equations but it seems I didn't get the correct one. please help if you still can. to solve the equations: 1. 0.4 =32z 2. 8n - 2 = 14 3. 2 (x + 3) = 4 Thanks a lot.

*asked by Nima on September 14, 2013* -
## math,help

How do even solve this one sum of two numbers is 32. their difference is 6. what are the numbers? x-y=6 x+y=32 add the equations... 2x=38 and solve.

*asked by jasmine20 on February 10, 2007* -
## trig

Can someone please help me solve this equation? Solve the equation in the interval [0°, 360°). csc θ = 1 + cot θ

*asked by Dee on May 3, 2010* -
## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MANY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

*asked by Debra on September 12, 2008* -
## Algebra

Explain patterns in the placement of the decimal point when multiplying 5 by 10^2, 10 ^1 and 10^0. Please explain i'm not very good with math.

*asked by katy on October 3, 2018* -
## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

*asked by Jo on April 15, 2012* -
## Algebra

Your math test scores are 68 78 90 and 91 what is the lowest score you can iron on the next test and still achieve an average of at least 85

*asked by Marco on September 8, 2015* -
## Math

Math huron scored 84% on her last history test. Of she got 21 answers correct , how many question did the test have?

*asked by Jo on April 15, 2012* -
## math

Can you please give me a few different math examples of what you meant when you said - You do not add powers with different exponents, but not powers of different bases. Thank you so much.

*asked by jo on October 10, 2009* -
## Math

If you're given a 90 degree angle split down the middle, and one of the angles is 30 degrees, what would the other angle be? sorry im not too good at math

*asked by Dara on January 14, 2011* -
## math

the steps to a math quiz. the earth rotates once every 23 hours 36 minutes 4 seconds.how many seconds is that?

*asked by luzia on October 16, 2009* -
## punjab technical university

A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points .her scores were as follows

*asked by sarita mishra on December 15, 2015* -
## Math

A math class has 26 women and 12 men. find the ratio of men to total students

*asked by christopher on April 13, 2010* -
## Math

You estimate there is an 80% chance you will get an A on your math final, and a 75% chance you will get an A for your semester grade. What is the probability that both will happen?

*asked by ValeeRo on May 8, 2013* -
## MATH

IF YOU HAD TO GET A 21.1 GRADEPOINT OUT OF 215 QUSTIONS HOW MAY WOULD YOU HAVE TO GET RIGHT English: 75 Math: 60 Reading: 40 Science: 40 Total: 215

*asked by Debra on September 12, 2008* -
## math

Thank you i think im getting somewhere a however, what about -8 x (-4) = -32 am i correct? Ok is this one correct? Also is there a math expert to whom we will pay a decent hourly wage to tutor me?

*asked by zavier on January 28, 2012* -
## Math

_______ and _______ are commutative. What are the two basic math operations where the arguments commute? Think arithmetic.

*asked by Kayla on August 28, 2006* -
## Math

You have 17fourths of pizza. Show with math or pictures how many pizza you have. 4 pizzas with 1 slice left. 4

*asked by Alison on August 27, 2014* -
## Math

Math Riddle: Move only one number so 102=100. You may not eliminate or add a number.

*asked by Kacy on November 20, 2007* -
## Maths

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

*asked by Jackie on April 3, 2014* -
## math

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

*asked by bobby on October 24, 2012* -
## math

hi my name is Hannah and I need help with my math homework it is something to do with multiplying trapezoids and triangles? Also, what are the formula for the shapes so that way i would be able to do my homework? THANKS FOR THE HELP!!!!!!

*asked by hannah on March 4, 2013* -
## algebra

a math class has 26 women and 12 men. Find the ratio of men to total studens.

*asked by christopher on April 13, 2010* -
## ghost in city hall

Hello all. Does anyone have a scanned copy of "ghost in city hall" worksheet? It is a math worksheet. Thank you, Sandy

*asked by sandy on April 26, 2008* -
## MATH

Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

*asked by Anonymous on January 16, 2013* -
## math

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

*asked by Ross on October 3, 2009* -
## Math

Anyone have the answers to the connections Academy math 6 b unit 4 lesson 10 unit test? POST AS SOON AS POSSIBLE PLEASE!

*asked by Aaron walshe on May 8, 2018* -
## To "bad@math" (and other names)

Please post under one name. Please do not post to demand that someone go back and answer your previous questions. A math volunteer will get to them when he/she can. Thanks.

*asked by Writeacher on September 13, 2007* -
## math

Use symbolic Math symbolic representation: 1. The Density of a rock is the ratio of its mass to its volume.

*asked by Kay on September 9, 2010* -
## 4th grade Math

Math has a 150 page book. he has read 1/3 of it. How many pages has he read so far? Is 50 the correct answer?

*asked by Hayley on December 16, 2008* -
## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

*asked by cheyenne on April 10, 2013* -
## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

*asked by cheyenne on April 10, 2013* -
## Math

A math quiz is made up of 5 multiple choice questions, each with 4 possible answers. How many possible sets of answers are there?

*asked by Emmie on May 2, 2016* -
## Math grade 9

46=2-8w-3w I tried adding -8w to both sides and i got the answer wrong... my math text book says the answer should be -4 but i don't know how to get it

*asked by I need help please! on November 13, 2016* -
## math

i have a math problem i cant figure out.it is about input and out put algebraic expression. INPUT P-24 18 14 12 08 OUTPUT N-10 07 05 04 02

*asked by cheyenne on April 10, 2013* -
## algebra

i need help with my math problem: x varies directly as the square of s and inversely as t. how does x change when s is doubled? when both x and t are doubled?

*asked by mindy on May 26, 2008* -
## algebra

erika has received scores of 82, 87, 93, 95, and 90 on math quizzes. What score must Erika get on her next quiz to have an average of 90?

*asked by aniiiii on May 17, 2011* -
## Math

How many numbers between 100 and 200 can be expresssed as powers of 2? I have trouble with powers but I'm an A math student.

*asked by Hales on October 27, 2016* -
## 4 grade math

i need help on this problem. make 36/9 into a false number sentence? please! help me to understand this math problem thank you for your kindness.

*asked by samie on November 4, 2009* -
## Algebra

Using only the number 1,2,3,4, construct a math expression that equals to the number 34. You must use all four numbers in this equation. What is the answers?

*asked by Malayna on September 9, 2010* -
## Weather

what is 34f in celcius C= 5/9 (F-32) 32F is the freezing point of water, so 34F ought to be close to zero in C. Do the math.

*asked by Jaylen on January 14, 2007* -
## Finite Math Help Please!!!

Finite Math Help Please!!! Can someone help me ? I am confused about this Problem? Median Quartile 1 (Q1) Quartile 3 (Q3) for boxplot 9 10 11 12 13 14 15 16 17 18 19 20 Data

*asked by fred on October 25, 2016* -
## math

PWEESE HELP. There are 18 boys and 12 girls in math class. What is the ratio of girls to total students? 18:30 12:30 30:12 30:18

*asked by DAB on April 28, 2018* -
## math check

Posted by Nora 56 on Sunday, June 2, 2013 at 7:32pm. Sorry to repost but no one answered after I posted on the 2nd,please help, Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give

*asked by Nora 56 on June 8, 2013* -
## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

*asked by Jacob on April 15, 2011* -
## Math, Please help!

I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)

*asked by Cait on May 20, 2013* -
## math

we are trying to help my son with his math and we are not sure how to do the problem and since his school has no books to send home to help us we came here the problem is 1/8x=1/4

*asked by Angela on February 20, 2014* -
## chemistry

what is molarity of H2SO4 solution containing .12 moles acid per 75 mL solution? please show math

*asked by kaet on November 11, 2009* -
## arithmetic

I got 102 questions right out of 150 on a math test. What percentage did I get on theis test?

*asked by Emily on September 23, 2010* -
## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

*asked by Jacob on April 15, 2011* -
## Math, Please help!

I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)

*asked by Cait on May 20, 2013* -
## Calculus

Find the linearization of f(x)= sqrtx at x=25 and use the linearization to approximate sqrt25.2 This is my math: 5+ 1/10 * (25.2-25) but it's wrong.

*asked by Z32 on September 28, 2009* -
## algebra

Could you show me how to do these math systems and show your work so i understand how to do them. 1) 3x+2y+4z=19 2x-y+z=3 6x+7y-z=17 2) 5x+8y+6z=14 2x+5y+z=12 -3x+6y-12z=20 3) x^2+2xy-2y^2=-11 x^2+xy-2y^2=-9

*asked by hal on April 8, 2013* -
## math

this is a math riddle that i can't do so please help i am a fraction eguivalent to 2/4 the sum of my numerator and my denominator is 21 what fraction am i here it is help me please's

*asked by 5 grade on November 29, 2011* -
## math

Samantha has an average of 92% on tree math test. If one of her grades was 84% and the other is 93%, what was the grade of her third test?

*asked by Lois on March 28, 2011* -
## math

can I plz have the answers to the math 7 unit 8 lesson 13 geometry unit test thanks :-)

*asked by Gollum on March 12, 2018* -
## Math

I have two math problems I need help with- Percent proportions 1. 62% of 146 is what number? 2. 18.4% of 880 is what number?

*asked by Anonymous on March 3, 2014* -
## math

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

*asked by lesi on February 21, 2013* -
## Math

Hello, I need help to understand step by step of my math problem. I am not understanding how to get the answer. Thank You for your help Hope

*asked by Hope on April 10, 2012* -
## PGMNHS

Math Adeng is thrice as old as Bugs. If the difference of their ages is twice the age of Adeng, how old are they?

*asked by Jam on November 4, 2015* -
## math

what type of math problems exemplify the different purposes of variable, and in what way do these different uses of variable can be confusing?

*asked by sandra on November 30, 2010* -
## Math

I need to get which property of multi-plication this person did. the problem is 2(3.45+5.7)=.402 but I got 18.3. HOW?!??!?! I did my math I did every property I could think of/

*asked by Grant on March 1, 2017* -
## math

In a class of 40 students, 27 like math and 25 like filipino. At most how many students do not like at least one of these subject? (With solution pls...thanks....)

*asked by HELP HELP HELP MNHS on January 23, 2013* -
## Science

Steve finds the mass and volume of three different objects. With only this information and a little math, what can he also know about the objects?

*asked by Nicole on February 22, 2011* -
## algebra

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

*asked by cindy on February 21, 2013* -
## math

there are 18 boys and 12 girls in a math class. what is the ratio of "girls" to total students.

*asked by zero on June 2, 2016* -
## mathematics

Need help with this math problem please. Work need to be show but I have no idea how to complete the problem. (-4)3 (the 3 is an exponent) Thanks for your help

*asked by chasity on August 29, 2010* -
## math

how would you solve for y in this problem: x=(y^2+3y)^(1/3) I got: y= x^3/y - 3 ? and for this problem: x= 1/[(y^2+3y-5)^3] I got: y = y/x + 5/y - 3? However, I do not know how to solve for y explicitly. I don't think quadratic formula would work in these

*asked by kristie on July 20, 2006* -
## math

how would you solve for y in this problem: ln(y-1)-ln2 = x +lnx ln(y-1)-ln2 = x +lnx Solve for y... ln[(y-1)/2]]=x + lnx take the antilog of each side (y-1)/2= e^(x+lnx) solve for y.

*asked by kristie on July 11, 2006*