|
Tutors Answer Your Questions about Rational-functions (FREE)
Question 170473: Find all numbers for which the rational expression is undefined.
9/7v+6
(Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed. Type N is the answer is never undefined.)
Click here to see answer by stanbon(26297)   |
Question 172080: I need help! please help! write an equation of the line containing the given point and parallel to the given linr. express your answer in the form y=mx+b. (5,9:x+2y=7 number 2 question. write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b. (-9,7);5x=7y+9 The equation of the line is y=?, and the third question. write an equation of the line containing the given point and perpendicular to the given line. (6,7):2x+y=4 The equation of the line is y=?.
Click here to see answer by Mathtut(3670) |
Question 173002: [] means a blank spot..
'means # is exponent...
Complete the square.
1. x'2 + 60x + []
2. x'2 – 7x + []
________________________________________________________________________-
Solve each equation by completing the square.
3. x'2 – 6x – 16 = 0
4. x'2 – 14x + 74 = 0
5. 3x'2 + 5x – 28 = 0
6. 4x'2 – 6x + 3 = 0
please write the answers. im really needy
Click here to see answer by nerdybill(2448)  |
Question 173678: I am a parent and trying to help my daugther could you help!
1. Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $45 on a unit of plywood. How many of each unit must be produced and sold in order to make a profit of $17160?
Snooker Lumber must produce and sell__ units of lumber and__ units of plywood to make a profit of $17160.
2. A disc jockey must play 16 commercial spots during 1 hour of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 13 min, how many 30-second commercials were played that hour? How many 60-second commercials?
How many 30-second commercials were played that hour?
How many 60-second commercials were played that hour?
3. A student makes a $9.50 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty-cent pieces. There are 30 coins in all. How many of each kind are there?
How many quarters are there in the change?
How many fifty-cent pieces are there in the change?
4. The perimeter of a rectangle is 80.m. The length is 7 m more than twice the width. Find the dimensions.
What is the length? And Width?
5. Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 60 points. They won 9 more games than they tied. How many wins and how many ties did the team have?
How many wins did the team have?
How many ties did the team have?
Click here to see answer by Mathtut(3670) |
Question 173678: I am a parent and trying to help my daugther could you help!
1. Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $45 on a unit of plywood. How many of each unit must be produced and sold in order to make a profit of $17160?
Snooker Lumber must produce and sell__ units of lumber and__ units of plywood to make a profit of $17160.
2. A disc jockey must play 16 commercial spots during 1 hour of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 13 min, how many 30-second commercials were played that hour? How many 60-second commercials?
How many 30-second commercials were played that hour?
How many 60-second commercials were played that hour?
3. A student makes a $9.50 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty-cent pieces. There are 30 coins in all. How many of each kind are there?
How many quarters are there in the change?
How many fifty-cent pieces are there in the change?
4. The perimeter of a rectangle is 80.m. The length is 7 m more than twice the width. Find the dimensions.
What is the length? And Width?
5. Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 60 points. They won 9 more games than they tied. How many wins and how many ties did the team have?
How many wins did the team have?
How many ties did the team have?
Click here to see answer by gonzo(654) |
Question 173846: Can you help me find a solution? I used a substitution method by it seem it does not work.
1.The Everton college store paid $1660 for an order of 44 calculators. The store paid $11 for each scientific calculator. The others, all graph calculators, cost the store $53 each. How many of each type of calculator was order?
The store ordered__scientific calculators and __graphing calculators.
2. Elimination method
0.3x-0.2y=4
0.2x+0.3y=-23/19
3. Substitution method
6x+7y=-22
-3x+y=20
Click here to see answer by stanbon(26297) |
Question 173900: Umm...if someone please has the time to help me, I need to know how to find the domain of a function. The problems are like this:
squareroot of X^2-X-20
If someone could please please help me, Id appreciate it so much!
Click here to see answer by solver91311(5072)  |
Question 174118: I need your help! Problem 1. Elimination method. Type an integer or a decimal
0.05x+0.25y=66
0.15x+0.05y=72
On this problem I keep coming up with(x, y) = (3, 5,-0.5) and each time the answer is wrong. What am I doing wrong?
2. Soybean meal is 18% protein: cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360-ld mixture that is 17% protein.
Pounds of cornmeal that should be in mixture?
Pounds of soybean meal should be in mixture?
Click here to see answer by nycsub_teacher(90) |
|
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
|
| |
