Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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Question 1125124: Hi, i need resolve this problem.
The cost in dollars to ship a package “Next Day” of one pound using Federal Express can be calculated using the linear equation:
y = 2.085x + 15.08
where x is the weight (pounds) of the package. Draw the graphic of the linear equation of the cost of shipping if the weight is 6.5 pounds.

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Question 1125284: Gino and Vince combine their coins to find they have all nickels and quarters. They have 8 more quarters than nickels and the coins are worth a total of $ 4.70. How many nickels and quarters do they have.
Click here to see answer by josgarithmetic(39617) About Me 

Question 1125246: Perform the subtraction.


18a+25b a+9b
----------------------------------------------------- - ------------------------------------
18a *(with a square of 2) +25ab-3b* (with a square of 2) 4a *(with a square of number 2) – 9b *(with a square of number 2)

(Simplify your answer. Type your answer in factored form.)

Click here to see answer by josgarithmetic(39617) About Me 

Question 1125323: Tamera invests some money in three different accounts. CD 3% and twice as much in an IRA 4%. She also invest 1,000 more than what she has invested in the CD into a mutual fund earning 5% interest. Determine how much Tamera invested in each account if she earned $ 290 in interest after 1 year ?
Click here to see answer by ikleyn(52781) About Me 

Question 1125322: A pharmacists needs to make 20cc of 0.05% steroid solution to treat allergic rhinitis. How much of a 0.08% solution and a 0.03% solution should she use .?
Click here to see answer by Alan3354(69443) About Me 

Question 1125315: Perform the subtraction.

(18a+25b)/(18a^2+25ab-3b^2)-(a+9b)/(4a^2-9b^2)

(Simplify your answer. Type your answer in factored​ form.)

Click here to see answer by MathLover1(20849) About Me 

Question 1125336: A truck and a car leave the same intersection traveling in the same direction. The truck is traveling at 35 mph, and the car is traveling at 45 mph. In how many minutes will they be 6 miles apart ?
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Question 1125352: Answer this in the next 10 minutes.
Whats the x and y-intercept of y=-2x-54+456-56/500660404400000000000000000000000000000000000000000
I want solver91311 to answer.

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Question 1125359: A jet flying at an altitude of 35,000 ft passes over a small plane flying at 10,000 ft headed in the same direction. The jet is flying twice as fast as the small plane , and 30 mins later they are 100 mi apart. Find the speed of each plane.

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 1125399: The ratio of salt to baking soda in a cookie recipe is 0.75 to 1. If a recipe calls for 1 1/2 teaspoons of salt , how much baking soda is in the cookie dough.?
Click here to see answer by josmiceli(19441) About Me 

Question 1125400: Suppose g is a linear function such that g(3.6) = 5.3. If the slope of g is -2.2, what is g(6.9)?
Click here to see answer by josmiceli(19441) About Me 

Question 1125447: Given a line with equation 4x + y = 2. Write an equation in point-slope form of the line perpendicular to the given line through the point (2, -1).

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Question 1125625: graph the line passing through (8,5), m= -4
What is the equation of the line in standard form?
I keep getting wring on my online quiz!!!! PLEASE help!

Click here to see answer by josgarithmetic(39617) About Me 
Question 1125625: graph the line passing through (8,5), m= -4
What is the equation of the line in standard form?
I keep getting wring on my online quiz!!!! PLEASE help!

Click here to see answer by MathTherapy(10552) About Me 
Question 1125625: graph the line passing through (8,5), m= -4
What is the equation of the line in standard form?
I keep getting wring on my online quiz!!!! PLEASE help!

Click here to see answer by ikleyn(52781) About Me 

Question 1125627: I need HELP Please everyone!!!
Write an equation of the line passing through (-2,3) and (5,4) in standard form.
I've tried three times and keep getting the answer wrong :(

Click here to see answer by josgarithmetic(39617) About Me 
Question 1125627: I need HELP Please everyone!!!
Write an equation of the line passing through (-2,3) and (5,4) in standard form.
I've tried three times and keep getting the answer wrong :(

Click here to see answer by MathTherapy(10552) About Me 
Question 1125627: I need HELP Please everyone!!!
Write an equation of the line passing through (-2,3) and (5,4) in standard form.
I've tried three times and keep getting the answer wrong :(

Click here to see answer by ikleyn(52781) About Me 

Question 1125700: At the end of her shift a cashier has a total of $ 6.30 in dimes and quarters. There are 7 more dimes than quarters. How many of each of these coins does she have?
Click here to see answer by josmiceli(19441) About Me 

Question 1125728: A taxi charges $ 2.00 plus $0.25 for every 1/5 of a mile. How many miles can you go if you have $ 12.00 ?
Click here to see answer by josgarithmetic(39617) About Me 
Question 1125728: A taxi charges $ 2.00 plus $0.25 for every 1/5 of a mile. How many miles can you go if you have $ 12.00 ?
Click here to see answer by josmiceli(19441) About Me 

Question 1125729: Melindas first two test grades in psychology were 87 and 94. What does she need to make on the third test to maintain an average of at least 90 ?
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Question 1125813: Plan A $45.99 for 400 min and $.50 for each min after. Plan B $49.99 for 400 min and $.40 for each min after
Click here to see answer by Boreal(15235) About Me 
Question 1125813: Plan A $45.99 for 400 min and $.50 for each min after. Plan B $49.99 for 400 min and $.40 for each min after
Click here to see answer by solver91311(24713) About Me 

Question 1125815: Plan A $45.99 for 400 min and $.50 for each min after.
Click here to see answer by ikleyn(52781) About Me 

Question 1125828: By mid February of 2009, the number of out of state applicants to the University of Colorado has decreased by 19% compared to the same time the previous year. If the school received about 11,500 out of state applications in 2009, how many did it receive in 2008. Round the answer to the nearest hundred.
Click here to see answer by josmiceli(19441) About Me 

Question 1125839: The base of a triangle measures 12 inches. If the area of the triangle is 42 in ^2 find the height.
Click here to see answer by greenestamps(13200) About Me 
Question 1125839: The base of a triangle measures 12 inches. If the area of the triangle is 42 in ^2 find the height.
Click here to see answer by MathLover1(20849) About Me 

Question 1125824: Find the value of r so the line that passes through each pair of points has the given slope.
(6,8) (r, -2) m=1

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Question 1125824: Find the value of r so the line that passes through each pair of points has the given slope.
(6,8) (r, -2) m=1

Click here to see answer by josmiceli(19441) About Me 
Question 1125824: Find the value of r so the line that passes through each pair of points has the given slope.
(6,8) (r, -2) m=1

Click here to see answer by greenestamps(13200) About Me 

Question 1125825: Kendrick received 24 fewer emails on Friday than he did on Thursday. If he received a total of 126 emails on those two days, how many did he get on each day?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1125916: Paul pays $3 every time he acts at home and $8 every time he eats out. If Paul has $200 each month for food, write a linear equation for the number of times he will eat at home (y).
How would you solve this problem I have gone over it and over it. I am still having trouble understanding the problem on how to get the equation.

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Question 1125916: Paul pays $3 every time he acts at home and $8 every time he eats out. If Paul has $200 each month for food, write a linear equation for the number of times he will eat at home (y).
How would you solve this problem I have gone over it and over it. I am still having trouble understanding the problem on how to get the equation.

Click here to see answer by josgarithmetic(39617) About Me 

Question 1126111: can you please show me a graph of ordered pair (-1/2,4)
Click here to see answer by Theo(13342) About Me 

Question 1126199: Complete the order pair ( , -4/3 )
2x - 15y = 13

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Question 1126212: if the exchange rate between the american dollar and the japanese yen is such that $4.00=442 yen, how many yen could be exchanged for $70.00?

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Question 1126263: graph y -2= -3/4(x - 6) using the point slope given in the equation
Click here to see answer by Boreal(15235) About Me 

Question 1126371: Write the equation of the line passing through the point ​(7​, -8​) with slope -6/7.
Click here to see answer by MathLover1(20849) About Me 
Question 1126371: Write the equation of the line passing through the point ​(7​, -8​) with slope -6/7.
Click here to see answer by josmiceli(19441) About Me 

Question 1126401: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither.

l1: (10/9,0) and (0,10/3)
l2: (35/18,0) and (0, 35/6)

Thank you!

Click here to see answer by josgarithmetic(39617) About Me 

Question 1126400: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither.
l1: (1,3) and (0,0)
l2: (0,7) and (-2,1)

Click here to see answer by josgarithmetic(39617) About Me 

Question 1126444: Lines l1 and l2 past through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither.
l1: (1,3) and (0,0)
l2: (0,7) and (-2,1)

How would you solve in order to compare? Thank you.

Click here to see answer by jim_thompson5910(35256) About Me 

Question 1126443: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither.
l1: (10/9,0) and (0,10/3)
l2: (35/18,0) and (0, 35/6)
How do you solve the fractions? I am quite confused. Thank you!

Click here to see answer by josmiceli(19441) About Me 

Question 1126449: Suppose a line has a slope of -5.
a. What is the slope of a line parallel to this line?
b. What is the slope of a line perpendicular to this line?

Click here to see answer by josgarithmetic(39617) 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, 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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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