Algebra Answers

What does r equal to in this equation 1-r=-5

An MTN cellular-phone user notices that her cellular phone accounts for three consecutive months were significantly different. In May, her account was one and a half times more than her account in June. Her account in July was R 50 more than her account in June. In total, she spent R575 in cellular-phone accounts in the three months. What was her account for each month?

Solve 3+2+3×2/√3× 2/√3 × 2/√3=9

In 25 minutes 300 customers entered the attraction. At this rate how many would enter in an hour?

a>=b implies and is implied by -a<=-b is an absolute inequality.
Is the statement true or false? Justify your answer.

Candice ask 100 students put Chris plate over there like best out of ready salted change an arsehole tomato footage of the students are boys 7 to use a boys like cheese and onion the best 15 girls like to resold the best 23 out of 39 students you like salt and vinegar best for girlsCandice ask 100 students put Chris plate over there like best out of ready salted change an arsehole tomato footage of the students are boys 7 to use a boys like cheese and onion the best 15 girls like to resold the best 23 out of 39 students you like salt and vinegar best of girls work out the number of students who like to

If the quadratic equation (1+a^2) x^2 + 2abx + b-c =0 has only one root then find the value of c^2(1+a^2).

Prove that 2^n >1+n√[2^(n-1)] for n>2, using the Inequalities

Use the given function f to find f(0) and solve f(x) = 0. Show work

f(x) = x^2 - x - 12

A grass flea can leap a distance 350 times its length in a single jump. What is the length of a grass flea that covered a distance of 70 m in 500 jumps? Express your answer in an appropriate unit.