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Question 1194003: hello! I tried my best to input the question, I'm unsure if there is a better way to type out the matrix portion of the question but I hope its readable (The brackets are meant to be connected). any help is appreciated! thank you
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The following augmented matrix is in row-echelon form and represents a linear system. Solve the system by using back-substitution, if possible.
[1 3| 6]
[0 1| -1]
What is the solution to the linear system?
Click here to see answer by math_tutor2020(3816)

Question 1194010: A 56-inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece is times as long as the first piece. If x represents the length of the first piece, find the lengths of all three pieces.
lenth of the first piece
lenth of the second piece
lenth of the third piece
hi i need the anwser for all of three pieces

Click here to see answer by math_tutor2020(3816)

Question 1194008: hi in need the anwser to
subtract (6y2ndpower-4y-2) from the sum of (2y2ndpower+2)and (4y+7)
do not factor
Click here to see answer by MathLover1(20849)

Question 1194022: When a ball is thrown into the air, what is the formula for that?
Click here to see answer by Alan3354(69443)

Question 1194022: When a ball is thrown into the air, what is the formula for that?
Click here to see answer by ikleyn(52776)

Question 1194066: Solve the equation for x.
|3x x|
|16x x|=35
The solution set is
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Question 1194064: The following augmented matrix is in row echelon form and represents a linear system. Use back-substitution to solve the system if possible.
[1 1 -1|2]
[0 1 -1|2]
[0 0 1|1]
What is the solution to the linear system?
Click here to see answer by math_tutor2020(3816)

Question 1194091: at the start of the week a bookshop has science and art books in the ratio 2:5. If there are 1000 art books, how many science book are there
Click here to see answer by josgarithmetic(39616)

Question 1194097: The sum of two times a number and 2 is five times the difference of a number and six. Solve for the variable then Round your answer to the nearest hundredths.
Click here to see answer by greenestamps(13198)

Question 1194096: The sum of two times a number and 13 is five times the difference of a number and six. Solve for the variable then Round your answer to the nearest hundredths.
Click here to see answer by greenestamps(13198)

Question 1194122: given the functions f(x)=x^2+3x+2 and g(x)=x+1, determine a simplified equation for h(x)=f(g(x)).
Click here to see answer by ikleyn(52776)

Question 1194123: given the functions f(x)=x+2 and g(x)=x^2, determine all values of x for which f(g(x))=g(f(x)).
Click here to see answer by ikleyn(52776)

Question 1194121: determine the domain and range of the function y=√x^2+10x+24

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Question 1194130: The sum of the measures of an acute angle and an obtuse angle is 140. The sum of twice the supplement of the obtuse angle and three times the complement of the acute angle is 340. What are the measures of the angles?
Click here to see answer by MathLover1(20849)

Question 1194177: Write the equation of the line that is passing through (5,-2)
parallel to y=2/5x-2
perpendicular to y=2/5x-2
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Question 1194190: A jar is filled with $1 and $2 in the ratio 5 to 4. There are 30 $1 coins in the jar. How many coins are there in total?
Click here to see answer by greenestamps(13198)

Question 1194206: https://ibb.co/TKdbc4R
Click here to see answer by ikleyn(52776)

Question 1194205: https://ibb.co/6tb7c5F I need help please
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Question 1194274: in the year 2000 the population of the world was 6.1 billion. the doubling time is 20 years . in which year will the world population reach 100 million if it continues to grow at the same rate
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Question 1194305: Determine the quadratic function that has the given roots and passes through the given point. Express each function in standard form. (10 marks: 5 marks each) a) x = 2 ± √5, (2, 10)
Click here to see answer by ikleyn(52776)

Question 1194331: Need help setting up the equations.
A treasure chest contains 70 gold coins, 50 silver coins, and 100 bronze coins. How many additional gold coins must be added to the 220 coins already in the treasure chest so that half of the coins in the treasure chest are gold?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1194398: Sam scored 5 points more than Jasmine on a class test. If they scored a total of
153 points, what was Sam’s score?
Click here to see answer by ikleyn(52776)

Question 1194398: Sam scored 5 points more than Jasmine on a class test. If they scored a total of
153 points, what was Sam’s score?
Click here to see answer by Alan3354(69443)

Question 1194463: Find the center-radius form of the circle with center (-10,-3) that passes through the point (-5,3).
The center-radius form of the equation of the circle is______.
(Type an equation. Simplify your answer.)
Click here to see answer by josgarithmetic(39616)

Question 1194461: Write an equation for the parabola with a vertex at the origin, passing through ((square root)3,12), and opening up.
An equation for this parabola is______.
(Simplify your answer. Use integers or fractions for any numbers in the expression.)
Click here to see answer by MathLover1(20849)

Question 1194464: Write an equation for the hyperbola with center at (4,-6), focus at (7,-6), and vertex at (6,-6)
An equation for the hyperbola is_____.
(Simplify your answer. Type your answer in standard form. Use integers or fractions for any numbers in the equation.)

Click here to see answer by MathLover1(20849)

Question 1194462: Find two different sets of parametric equations for the rectangular equation given.
y=4x-5
(a) Let and determine the parametric equation for y for the given rectangular equation.
y=____

(b) Let and determine the parametric equation for y for the given rectangular equation.
y=____

Click here to see answer by math_tutor2020(3816)

Question 1194565: Suppose you want to have $300,000 for retirement in 20 years. Your account earns 9% annual interest compounded monthly.
a) How much would you need to deposit in the account at the end of each month?
Click here to see answer by ikleyn(52776)

Question 1194566: You deposit $3000 at the beginning of each year into an account earning 6% interest compounded annually. How much will you have in the account in 20 years?
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Question 1194637: the integer between 5.6 and 6.6 is?
Click here to see answer by Alan3354(69443)

Question 1194717: 1)3x + 5 - 5(x+1)=6x +7
2. 2(x - 8)=3x - 26
3. 4(x+7)=2(x+12)+2(x+1)

Click here to see answer by ikleyn(52776)

Question 1194832: A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 318 people over the age of 55, 77 dream in black and white, and among 315 people under the age of 25, 15 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. Complete parts (a) through (c) below.
Click here to see answer by ikleyn(52776)

Question 1194889: a+p = 150
p = a+30
Now solve the variables.
Click here to see answer by josgarithmetic(39616)

Question 1194906: t/j = 4/9
t = 2(j-21)
find t and j, and then t-j
Click here to see answer by Solver92311(821)

Question 1195061: If k(x)= x^3+1/x+1, complete the table and use the results to find lim k(x).
x->-1
a.
x | -1.1 | -1.01 | -1.001 | -0.999 | -0.99 | -0.9
k(x)
(Round to three decimal places as needed.)
b.
lim k(x)=
x->-1
any help is VERY appreciated thank you so much!
Click here to see answer by ikleyn(52776)

Question 1195064: Find the value of the constant k that makes the function continuous.
g(x)={2x^2-3x-20/x-4 if x≠4
{kx-15 if x=4
k=
thanks for all your help!
Click here to see answer by ikleyn(52776)

Question 1195062: Hello! i have a three part question i cannot figure out the last part of, any input would be so helpful thank you in advance!
(a) Graph the given function, (b) find all values of x where the function is discontinuous, and (c) find the limit from the left and the right at any values of x where the function is discontinuous.
{6 if x<-1
g(x){x^2-3 if -1<(or =) x <(or =) 3
{6 if x>3
B.
The function is discontinuous at -1
C. Find the limit or limits from the left and from the right for any values of x found in part (b).
The limit(s) from the left is/are ____ The limit(s) from the right is/are

____.
(Use a comma to separate answers as needed.)

Click here to see answer by ikleyn(52776)

Question 1195063: Hello! i have a three part question i cannot figure out the last part of, any input would be so helpful thank you in advance!
(a) Graph the given function, (b) find all values of x where the function is discontinuous, and (c) find the limit from the left and the right at any values of x where the function is discontinuous.
g(x){6 if x<-1
{x^2-3 if -1<(or =) x <(or =) 3
{6 if x>3
B.
The function is discontinuous at -1
C. Find the limit or limits from the left and from the right for any values of x found in part (b).
The limit(s) from the left is/are ____ The limit(s) from the right is/are

____.
(Use a comma to separate answers as needed.)

Click here to see answer by ikleyn(52776)

Question 1195132: I am trying to figure out how to solve this math equation:
4x - (3x + 5) = -2
It was stated that the solution set is 3.
I need to know the steps to solving this problem.
Click here to see answer by josgarithmetic(39616)

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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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, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580