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

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Question 1186737: State the x-value of the x-intercept of the graph described by the following linear equation: -5x-4y=10
Click here to see answer by ikleyn(52781) About Me 
Question 1186737: State the x-value of the x-intercept of the graph described by the following linear equation: -5x-4y=10
Click here to see answer by greenestamps(13200) About Me 

Question 1186736: Question is: Find the slope-intercept form of an equation of the line perpendicular to the graph 3y=2x-5 and passing through the point (0,6)
4.The perpendicular slope is?
5.State the y value of the y-intercept of the perpendicular line:
6.The equation of the perpendicular line is:

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

Question 1186763: Write the standard form of the line with the given information. Include your work in your final answer. Type your answer in the box provided to submit your solution.
The line containing a slope of 3 and a y-intercept of -2.
Write the standard form of the line that passes through the point (1,5) and is parallel to the x-axis. Include your work in your final answer. Type your answer in the box provided to submit your solution.
Write the standard form of the line that contains a slope of -1/2 and y-intercept of 1. Include your work in your final answer. Type your answer in the box provided to submit your solution.
Write the standard form of the line that contains a y-intercept of -3 and passes through the point (3,0) . Include your work in your final answer. Type your answer in the box provide to submit your solution.

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

Question 1186791: So I have to solve for the direct variation and then graph -2y = 5x, and I am completely lost.
Click here to see answer by ikleyn(52781) About Me 
Question 1186791: So I have to solve for the direct variation and then graph -2y = 5x, and I am completely lost.
Click here to see answer by Theo(13342) About Me 

Question 1186792: Solve for “y”
y - 13x - 9
+13x +13x
y=13x+9
What do I do now
Thanks

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

Question 1186839: I'm having trouble finding the correct answer. How do I solve this inequality?
(y-3)/8>=(y+2)/6

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

Question 1187023: A boy was asked to subtract 7 from a certain number and divide the result by five .instead he subtracted 5 and divided the result by7 his answer was 4 less than it should have been what was the given number
Click here to see answer by josgarithmetic(39617) About Me 

Question 1187041: Which set of points contains points that lie on the line formed by the given equation? (4,-2)

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

Question 1187091: Using scale of 2cm toi represnt 1unit of the ×-axis and 2cm toi represnt 5unit onthe y-axis,draw thé graph of y=ײ+3×-1 for values of ×in thé range -4≤×≤3
a) from your graph détermine thé value of× for which y=2.5
b) by drawing asuitable straightline find thé solution toi thé équation ײ+2×-3=0

Click here to see answer by Alan3354(69443) About Me 

Question 1187112: A company makes pens. They sell each pen for $
11
.
Their revenue is represented by R = 11 x .
The cost to make the pens is $
3
each with a one time start up cost of $
5000
.
Their cost is represented by C = 3 x + 5000 .
a) Find the profit, P, (P = R - C) when the company sells 1000 pens.
i tryed and kept getting it wrong i did all the math the way my teacher showed and am still failing. my work; 1000x11-8000

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

Question 1187172: y=-x-1
Click here to see answer by Alan3354(69443) About Me 

Question 1187223: A factory manufactures two types of gadgets, regular and premium. Each gadget requires the use of two operations, assembly and finishing, and there are at most 12 hours available for each operation. A regular gadget requires 1 hour of assembly and 2 hours of finishing, while a premium gadget needs 2 hours of assembly and 1 hour of finishing. Due to other restrictions, the company can make at most 7 gadgets a day. If a profit of $20 is realized for each regular gadget and $30 for a premium gadget, how many of each should be manufactured to maximize profit?
Click here to see answer by Theo(13342) About Me 

Question 1187282: 4x+7>2x-6

Click here to see answer by Alan3354(69443) About Me 

Question 1187319: find the zeros of f(x)?
f(x)=(3x+1)/(x+1)

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

Question 1187510: Evan is 75 inches tall. If his brother was 5 inches shorter, he would be exactly Evan's height. How tall is Logan? Enter your answer as a decimal
Click here to see answer by Alan3354(69443) About Me 
Question 1187510: Evan is 75 inches tall. If his brother was 5 inches shorter, he would be exactly Evan's height. How tall is Logan? Enter your answer as a decimal
Click here to see answer by ikleyn(52781) About Me 

Question 1187554: The width of a rectangular room is 2 m shorter than its length. If the perimeter of the room is 72 m, calculate the length and width of the room
Click here to see answer by ikleyn(52781) About Me 

Question 1187643: As a puppy, Cricket weighed 3 3/4 pounds. At her 1-year check-up with the vet, Cricket weighed 12.5 pounds. How much weight did Cricket gain between the time she was a puppy and her 1-year check-up? Enter your answer as a decimal or simplified mixed number.
Click here to see answer by Theo(13342) About Me 

Question 1187645: The temperature of a substance in an experiment changes by -8.7 Fahrenheit from 10 am to 1 pm. At 5 pm, the temperature is 33.5 Fahrenheit. It is 2/3 of what the temperature was at 1 pm. What was the temperature at 10 am of the substance? Enter your answer as a decimal.
Click here to see answer by Boreal(15235) About Me 
Question 1187645: The temperature of a substance in an experiment changes by -8.7 Fahrenheit from 10 am to 1 pm. At 5 pm, the temperature is 33.5 Fahrenheit. It is 2/3 of what the temperature was at 1 pm. What was the temperature at 10 am of the substance? Enter your answer as a decimal.
Click here to see answer by ikleyn(52781) About Me 

Question 1187656: At a party store, Lorena can purchase packages of 32 forks and packages of 24 spoons. She wants to buy an equal number of forks and spoons for her party What is the smallest number of each type of utensil she can purchase?

Click here to see answer by Alan3354(69443) About Me 

Question 1187710: A man leaves his work at 5:30 PM and heads toward home which is 5 km away. He walks at 5 km per hour until he receives a call from his wife. She misses him and wants to see him as soon as possible. He runs the rest of the way at 12 km per hour and arrives home at 6:09 PM
Click here to see answer by josgarithmetic(39617) About Me 

Question 1187719: The altitude, A, of an airplane follows a linear model given by:
A = mt + b
Where t is the time in seconds after taking off. 5 seconds after taking off from the ground, the plane is 1200ft above sea level and 60 seconds after take-off, the plane is 3400ft above sea level.
a) Solve for m and b
b) How high is the ground above sea level? (Hint: the plane is on the ground just before take-off)
c) Find rate of altitude increase over period 0 < t < 775? Both less than should be less than or equal to.

Click here to see answer by Alan3354(69443) About Me 

Question 1187780: Dear sir /madam please help me
Find the optimum solution using graphical methods for the folloeing linear programming problem .
maximize Z= -150x-100y+280000
20<=x<=60
70<=y<140
x+y>=120
x+y<=140
x,y>=0
sir/madam please help me to draw the diagram

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

Question 1187902: The larger of two numbers is 12 more than the smaller number. If the sum of the two numbers is 74, find the two numbers.
Click here to see answer by math_helper(2461) About Me 
Question 1187902: The larger of two numbers is 12 more than the smaller number. If the sum of the two numbers is 74, find the two numbers.
Click here to see answer by Alan3354(69443) About Me 

Question 1187917: 7(a+b)=b-a
4(3a+2b)=b-8

Click here to see answer by Alan3354(69443) About Me 

Question 1187937: how to write y=2/3x-5 in standard form
Click here to see answer by ankor@dixie-net.com(22740) About Me 
Question 1187937: how to write y=2/3x-5 in standard form
Click here to see answer by ikleyn(52781) About Me 

Question 1187947: -4,7 and 2,-1
Click here to see answer by MathLover1(20849) About Me 

Question 1187977: what are the true values in this problem? f(x)={x2x≤32x−4x>3}
Click here to see answer by ikleyn(52781) About Me 

Question 1188058: Please help me answer this question on grpah and algebraically :
You are comparing two mobile phone text plans that a phone company has to offer.
Plan A: uses formula y= 0.07x
Plan B: uses formula y=0.02x+10
Where y is the monthly cost, in pounds and x is the number of texts sent or received per month. Draw the horizontal axis for x from 0 to 240 and the vertical axis for y from 0.25
a) Draw the graph of y=0.07x
b) Draw the graph of y=0.02x+10
Use your graph to answer the following:
c) Which Plan is it cheaper to use if you were sending/receiving 10 texts per day?
d) Which Plan is it cheaper to use if you were sending/receiving 180 texts per month ?
e) for what number of texts do both plans make the same charge?

Click here to see answer by Theo(13342) About Me 

Question 1188316: Of a plane takes off from an airport that sit at an elevation of 510 ft and ofter traveling 105 Miles has a flying altitude of 35,000 ft, what is the average slope of the plane ascent
Click here to see answer by Alan3354(69443) About Me 

Question 1188351: If -2 - 4x = -8x + 3x what is x-2

Click here to see answer by Alan3354(69443) About Me 
Question 1188351: If -2 - 4x = -8x + 3x what is x-2

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

Question 1188432: two kinds of fruits are displayed
Click here to see answer by ikleyn(52781) About Me 

Question 1188514: A scientist needs 7 litres of a 50% alcohol solution for an experiment. He has a 30% and an 80% solution on hand in the lab. How many litres of the 30% and how many litres of the 80% solutions should he mix to make the 50% alcohol solution?

Click here to see answer by josgarithmetic(39617) About Me 
Question 1188514: A scientist needs 7 litres of a 50% alcohol solution for an experiment. He has a 30% and an 80% solution on hand in the lab. How many litres of the 30% and how many litres of the 80% solutions should he mix to make the 50% alcohol solution?

Click here to see answer by Shin123(626) About Me 
Question 1188514: A scientist needs 7 litres of a 50% alcohol solution for an experiment. He has a 30% and an 80% solution on hand in the lab. How many litres of the 30% and how many litres of the 80% solutions should he mix to make the 50% alcohol solution?

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

Question 1188574: trying to figure out x= -15
Click here to see answer by ikleyn(52781) About Me 

Question 1188584: What is the equation if the line passes through (-1,-2) and has a slope of -3/7
Click here to see answer by ikleyn(52781) About Me 

Question 1188586: What is the standard equation if the line passes through (1,-2) and (-2,-2)
Ty😊

Click here to see answer by srv2888(1) About Me 

Question 1188597: Hello there. Can you please help me to solved this problem. Finding slope and trend.
8+3y=-2x
Thank you so much. 😊

Click here to see answer by Shin123(626) About Me 

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045