, 08.11.2019 01:31 Yellow78

# Solve the system of equations using substitution. y = −2x + 1 4x + 2y = −3 a. infinitely many solutions b. no solution c. (0, −5) d. (−5, 0)

### Another question on Mathematics

Mathematics, 21.06.2019 20:00
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0
Mathematics, 22.06.2019 01:20
Dropping less than two inches per mile after emerging from the mountains. one day's discharge at its mouth, 6.3 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 300 million households in country a. currently, a uses approximately gallons per household per month.
Mathematics, 22.06.2019 01:30
Identify all the cases where probability sampling is used. studies with specific goals randomly selected samples qualitative research studies targeting tiny populations randomly selected samples within boundaries of a population