Algebra Answers

5j⁴/(2j⁴)⁴

Create a simplified expression for the perimeter of this rectangle. Horizontally it is labelled 3x-11, and vertically it is labeled x+9. What do I do??

21. Find the values of my for which the system is not a Cramer's system.

(a)-2x+m²y=m

x-my=1-m

(b) mx+y=2

x+my=-2

22.(a) Mr. Benny is now 3 times as old as his son. In 13 years' time he will be twice as old as his son,Find Mr. Benny's present age.

(b) Two buses are 200 kilometers apart. They are traveling towards each other, the first bus is traveling 40km per hour while the second bus is traveling 60km per hour. When and where will they meet?

23.Two consecutive intergers are such that their reciprocatals add to 9/10. Find the two integers.

16. Solve in |R:

(a) 2(3y-2)+3(4-3y)>12-(5y+7)

(b) 2(k+2)+3(2k-3)<or=2

17.(a) if x=1-3t and y=2t-1.

Find the value of t such that x=y.

(b) solve for real value of x the equation,

(m+1)x²-(m+3)x+3-m=0.

When m=-1.

18.Given the parametric equations:

x=t-1/t

y=2(t+2)/t²

Find the coordinates of the point where,

(a) t=-2

(b) t=-1

19.solve in |R:

(a) 4(m+5)-6(2m+3)=3(m+14)-2(5-m)+9

(b) 3(k-1)-4(k+6)=10(k+5)

The life expectancy at birth y for females born in a certain country is given by the equation y=0.13x+74.6​, where x is the number of years after 1950.

a. Find the life expectancy for a female born in 1990.

b. Find and interpret the slope of the equation.

c. Find and interpret the​ y-intercept of the equation.

The demand function for a commodity is Q=6000−30P

Q=6000−30P. Fixed costs are R72000

R72000 and the variable cost is R60 per unit produced. What are the equations for total revenue and total cost in terms of P

P?

a school orders 10 dictionaries they cost $25 each the school pays $15 for shipping how much dose the school pay o get the new dictionaries

Find nth term of sequence (2)^2 , (5)^2,(8)^2.....

Answer in form(3n-1)^2

Solve (y ^ 2 * z)/x * p + xzq = y ^ 2 .

The Ranch 888 Noodle Company sells two types of dried noodles: ramen, at $6.50 per box, and chow fun, at $7.70 per box. So far this year, the company has sold a total of 110,096 boxes of noodles, yielding a total revenue of $748,458.40.

How many boxes of ramen noodles has the Ranch 888 Noodle Company sold this year?