The value of x in this system of equations is 1.
3x + y = 9
y = –4x + 10
3x...
Mathematics, 18.03.2021 02:40 desiree98
The value of x in this system of equations is 1.
3x + y = 9
y = –4x + 10
3x + (–4x + 10) = 9
–x + 10 = 9
–x = –1
x = 1
What is the value of y?
Answers: 2
Mathematics, 21.06.2019 20:00
Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
Mathematics, 22.06.2019 01:00
Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)
Answers: 1
Mathematics, 22.06.2019 03:30
Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?
Answers: 1
Social Studies, 12.07.2019 17:30
Mathematics, 12.07.2019 17:30
Social Studies, 12.07.2019 17:30
History, 12.07.2019 17:30
Social Studies, 12.07.2019 17:30
Mathematics, 12.07.2019 17:30
Mathematics, 12.07.2019 17:30
Chemistry, 12.07.2019 17:30
Geography, 12.07.2019 17:30
History, 12.07.2019 17:30
Mathematics, 12.07.2019 17:30
English, 12.07.2019 17:30