Mathematics, 29.01.2020 18:57 zarrialamons16
1. consider the following quadratic equation x^2 =4x -5. how many solutions does it have?
a the equation has one real solution.
b the equation has two real solutions.
c the equation has no real solutions
d the number of solutions can not be determined.
2. consider the quadratic equation ax^2+bx+c where a, b, and c are rational numbers and the quadratic has two distinct zeros. if one is rational, what is true for the other zeros.
a) the other zero is rational.
b) the other zero could be rational or irrational.
c) the other zero is not a real number.
d) the other zero is rational.
Answers: 2
Mathematics, 21.06.2019 14:40
The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.
Answers: 3
Mathematics, 21.06.2019 16:30
Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
Answers: 1
Mathematics, 21.06.2019 19:00
What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?
Answers: 1
Mathematics, 21.06.2019 19:00
Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.
Answers: 1
1. consider the following quadratic equation x^2 =4x -5. how many solutions does it have?
a...
a...
Mathematics, 23.01.2020 02:31
English, 23.01.2020 02:31
History, 23.01.2020 02:31
History, 23.01.2020 02:31
History, 23.01.2020 02:31
Mathematics, 23.01.2020 02:31
Mathematics, 23.01.2020 02:31
Mathematics, 23.01.2020 02:31
Social Studies, 23.01.2020 02:31