Mathematics, 15.01.2020 05:31, sierracupcake0220

If a is an n× n matrix, then det a = det at . verify this theorem for 2 × 2 matrices.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, cgonzalez1371

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Answers: 2

continue

Mathematics, 21.06.2019 18:00, ahmedislife

Someone answer this asap rn 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: 2

continue

Mathematics, 21.06.2019 21:00, batmanmarie2004

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Answers: 1

continue

Mathematics, 21.06.2019 21:30, kyandrewilliams1

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Answers: 2

continue

Do you know the correct answer?

If a is an n× n matrix, then det a = det at . verify this theorem for 2 × 2 matrices....