Tuesday
December 10, 2013

# Posts by Ruth

Total # Posts: 237

Algebra
area of a triangle with a base of 1 4/5 yards, and a height of 5/7 yards.

Algebra
six times a number minus twice the same number.

Algebra
In 1980 median family income was about \$18,000 and in 2000 it was 40,000. (a) Find slope of line passing through points (1980, 18,000) and (2000, 40,000) (b) Interperate slope as a rate of change (c) If the trend continues, estimate the median family income in 2006.

Algebra
Thank you so much. I hope I can do it from here.

Algebra
The cost of driving a car includes both fixed ans mileage costs. Assume that it costs \$152.20 per month for insurance and car payments ans \$0.22 per mile for gasoline oil and routine maintenance. (a) Find value m and b so that y-mx=b modeks the monthly cost of driving the car ...

Algebra
A certain nation is losing 26 million acres of rain forest each year. (a) Find the linear function f that calculates the change in acres of rain forest in millions in x years. Use x as a variable (b) find f(3) and interperate the result. f(t)= Simplify Interperate result Afte...

Algebra
Can you explain how you got this answer please. 8.4x10^7 is the amount of people 440000 = each persons estimated worth so 4.0x10^13 is the solution or would it be plus or minus 40 trillion.

Algebra
In 2000 in country A the average family net worth was \$440,000 and there were about 8.4x10to the power of 7, families. Caculate the family worth in country A in 2000.

Algebra
A tugboat goes 160 miles up stream in 20 hours, return trip downstream takes 5 hours. Find speed of tugboat without the current and the speed of the current

Algebra
f(a)=r, f(b)=q, f(c)=t, f(d)=r Write functions as a set of ordered pairs. Give domain and range of t. f= type ordered pairs domain is range is

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