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Algebraic Equations
Page 10
Questions (1,506)
Use x=1+r , where r is the interest rate paid each year. Write a model polynomial, C(x) . Represent the final amount of a 7-year
3 answers
asked anonymously
37 views
Farmer Brown wants to fence in a rectangular plot in a large field, using a straight rock wall that is already there as the
2 answers
asked by
Chris
580 views
4x^2=80x-400
2 answers
asked by
trent
492 views
the solution sets of
x+y=5 y=x^2-10x-9
3 answers
asked anonymously
31 views
step by step on how to solve this problem 2420/(570+r) = 2140/(570-r)
1 answer
asked by
Emmanuel
353 views
Jasmine decides to solve this system of equations using the substitution method
3x + y = 18 4x + 2y = 10 which equation should be
3 answers
asked by
Wweee
52 views
Write an equation in slope–intercept form of the line with the given parametric equations.
x = 9t + 2 y = –6t + 9 Answer
7 answers
asked by
PreCAL
4,433 views
5(x – 9) = 5x
no solution one solution infinite solutions –2(x – 1) = 2x – 2 infinite solutions one solution no solution
6 answers
asked by
Princess Anna
649 views
Airplane at 19,200 feet descending at a rate of 40 feet per second. Another airplane takes off and ascends at a rate of 60 feet
3 answers
asked by
kay
674 views
10(x-2) = 10
one solution no solution infinate solutions -2(y-3)= 2y- 6 one solution no solution infinate solutions
3 answers
asked by
Aniston
406 views
if a system of equations has no solution then it is what?
1 answer
asked by
betty
278 views
5) x-y=1
3x=3y=3 6) 2x-y=6 3y=-6x=18
1 answer
asked by
anonymous
242 views
a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the
2 answers
asked by
luckybee
523 views
–2x(–3x 2y)(2y) = ?
A. 12x3y2 B. –3xy2 C. 3xy2 D. –12x3y2
2 answers
asked by
Sam
467 views
A manufacture has been selling 1050 television sets a week at 360 dollars each. A market survey indicates that for each 20
2 answers
asked by
Ann
666 views
Sovereign each system by substitution.check your answer.
1/ y=x_2 y=4x+1 My answer: x_2=4x+1 2 2 x=4x+3 _4 _4 x= 1 y=x_2 y=_2
1 answer
asked by
Nan
384 views
1. –9x – 5 = –95
a) 17 <----------------------------- b) 11 c) 10 d) –10 2.– 10 = –12 a) –6 b) –66 c) 6 d) 66
1 answer
asked by
Anonymous
373 views
RS=8y+5, ST=5y+8, and RT=91.
a. what is the value of y? b. find RS and St
3 answers
asked by
User_Noname
36 views
Help would be great, it is for a "test" to see what we know, so it is not worth anything but I still would like to see if I can
2 answers
asked by
Ronald
471 views
Please help solve the problem 1/3:N=1/2:40/N
1 answer
asked by
Rean
348 views
Find the domain:
a) [sqrt(x+3)]+[5x^2-180] b) [sqrt(x+3)]/[5x^2-180] c) (8x+9)(9x+8) d) (8x+9)/(9x+8) e) [sqrt(x+2)](5x^2-245) f)
1 answer
asked by
Gregory
432 views
(2x+1)/(8x+1)
f is increasing for x: f is decreasing for x: find local max/min:
1 answer
asked by
Sara
293 views
Solve the system of equations.
2x + 6y = -18 2 = 5y - 1 A. (-7.25, - 1.25) B. (4, 1) C. (-6, - 1) D. (5.25, 1.25)
5 answers
asked anonymously
22 views
The sum of 38 and twice a number x is 124. What is -2x - 5?
A. -101 B. -91 C. 46 D. 86
3 answers
asked anonymously
40 views
a store bought some calculators for $400 wholesale and sold all but 10 of them retail for $280 total. The store paid a whole
2 answers
asked by
Lucky
560 views
area of a certain state (state1) five times the area of another state(state2). If the sum of their area is 6,000,000 square
3 answers
asked by
Anonymous
541 views
Find the point of intersection.
(-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I don't understand how multiplying y = (-1/2)(x-12)^2 + 6 by
3 answers
asked by
Anonymous
326 views
Let x,y be complex numbers satisfying
x+y=a xy=b, where a and b are positive integers from 1 to 100 inclusive. What is the sum of
1 answer
asked by
Danny
431 views
Have two tanks of 100 liters each, with salt solution. One is at 9% and 4% other. How many liters at least must be removed from
3 answers
asked by
RFT
354 views
The sophomore class sold a total of 700 adult and student tickets to the school play. Adult tickets sold for $4.50 each, and
3 answers
asked anonymously
62 views
Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1 . The maximum possible value of x^3*y^3+y^3*z^3+z^3*x^3
1 answer
asked by
andrew
413 views
53.)
49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d.
1 answer
asked by
Holly
307 views
Which rectangular equation corresponds to this set of parametric equations? x = t + 2 and y = t^2 + 3
A. y = (x − 2)^2 − 3 B.
1 answer
asked by
Chris
402 views
ok, so im stumped on this bonus system. there is a hint that the prof. gave that said that all coefficients are 1 or -1. can
1 answer
asked by
chris
268 views
Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector or line.
P
1 answer
asked by
Aunna
453 views
Pls explain and prodive a resource to fine equation.
Computing interest tax savings.Dharma Supply has earnings before interest
1 answer
asked by
CHASE
459 views
(2x-1)/(x+1)=2X/(X-1)+ (5/X)
1 answer
asked by
Seth
229 views
I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help!
1.) Find the values of a, b, and c that will
1 answer
asked by
Kris
374 views
four times the sum of a number and two increased by three is at least twenty seven
2 answers
asked by
brent
711 views
10a+ 10c + s = 180
5a + 3c + 2s = 500 a = 10c
1 answer
asked by
Anonymous
456 views
Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6.
It is a circle, but how do we even
3 answers
asked by
Knights
472 views
i have a hard time understanding the non permissable values could someone please explain. I have solved the following equations
4 answers
asked by
Tara
442 views
there are 5 times as many tomato plants.in the gatden as there ate cucumber plants. the number of pepper plants is 7 more than
1 answer
asked by
trent
469 views
−1 over 2(−6x+3)
−3x−3 −3x+3 over 2 3x+3 3x−3 over 2
3 answers
asked by
🧀 Cheesy-Mc-cheeserson 🧀
24 views
Which of the following should be done to both sides of the equation x + 11 = −17 to solve the value of x? (1 point)
Responses
3 answers
asked anonymously
300 views
Solve the system of equations 3x-4y=40 and 5x-5y=55
3 answers
asked anonymously
21 views
14=−13+9x
Responses x=−9 x is equal to negative 9 x=−3 x is equal to negative 3 x=13 x is equal to 13 x=3
3 answers
asked by
lola
18 views
Solve the system of equations 7x+3y=-25 and -7x+9y=-47
3 answers
asked anonymously
18 views
Your computer-supply store sells two types of inkjet printers. The first, type A, costs $237 and you make a $22 profit on each
3 answers
asked by
Rabecca
43 views
A culture of a certain bacteria doubles every hour. At 9:00 a.m, there were already 120 bacteria. Which equation represents the
3 answers
asked by
Lee Hooni 🖤
33 views
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