math,correction
Find the y-intercept of -x - 9y= 9 so this is what i did: -9y = +x +9 i divided both sides by -9 y=(-(1)/(9)x-1 now from here i don't know what to do? y=-1/9 x -1 Yintercept is when x=0 so this is what i get: y=(-(1)/(9)x-1 y= (1(1)/(9)(0)-1 y= -1 so the y intercept is -1 ...
math,algebra,help
Now this one it has a different question it asks: What was the age 15-64 population of Europe in 1970? can someone help me or set up the equation for me i would appreciate it. thank you. okay i have a table it reads. It has 4 colums Title population of Europe by age groups (po...
math,help, algebra
okay i have a table it reads. It has 4 colums Title population of Europe by age groups (population is in thousands) First colum it reads down like this age 0-14 age 15-64 age 65+ age 75+ total second colum it reads (In 1950) 143,175 359,162 44,981 14,553 547,318 third colum it...
math,correction
Find four solutions for the equation 3x+5y=15 so the equation will turn to be y=-(3)/(5)x+ (3) and when i do the table i get these points for the solution (-2,4.2),(-1,3.60),(0,3),(1,1.8) ok Let me give you a help. Take the slope, denominator. 5. Now make each x an multiple of...
math,correction
Problem states. which of the ordered pairs (0,0), (-2,10),(-1,-5),(-3,9) are solutions for the equation y=5x? my answer: all first three except the last pair. so yes to (0,0), (-2,10),(-1,-5) You are correct on (0,0) and (-1,-5). You are incorrect on (-2,10). y = 5x = -10 (not...
math,help
the problem says: one day, the temperature at 2:00AM was 44 degrees farenheiht , and by 2:00PM the temperature was 68 degrees farenheit. WHat was the hourly rate of temperature change? the possible answers are to pick from (a) 1 f/h (b) 2 f/h (c) 3f/h (d) 4f/h but when i solve...
math,correction
An employee who produces x units per hour earns an hourly wage of y= (0.95)x + 10. (in dollars). Find the hourly wage for an employee who produces 8 units per hour. i just plug in to the formula where x is i put 8 and the answer i got for it after solving was $17.60 correct
math,correction
the problem states. find the slope of any line perpendicular to the line through points (3,3) and (2,8). so did the formula m= (y2-y1)/(x2-x1) and from it i got -5 so the slope is -5 and anyline perpendicular to this sloe would be positive 5 is that correct. no. the slope perp...
bobpursley, math,correction
Let n be a postive integer, then n+1 is the next integer. sum the squares of those noumbers: n^2 + n^2 + 2n +1=85 solve for n. so this is what i did. n^2+2n+1=85 n^2+2n=85-1 n^2+2n=84 n=7056+4n
to bobpursley,math,correction
(sqrt3 + 5)(sqrt3 -3) ? multiply that out sqrt3*sqrt3 -3sqrt3 +5sqrt3 -15 now combine and simplify terms. yes the problems is: ((sqrt3)+5)((sqrt3)-3) if i put in my calculator what the squareroot of 3 it will give me 1.7 so if i it by decimals i get the follwoing 2.89-5.1+8.5-...
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