Mathematics, 09.12.2021 08:20 lexxiiee653

If x^4-y^4=-15 and x^2-y^2=-3, what's the value of x^2+y^2?
i need work shown too please

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Answers: 1

Answer

Mathematics, 21.06.2019 15:30

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Answers: 1

Answer

Mathematics, 21.06.2019 23:00

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Answers: 1

Answer

You know the right answer?

If x^4-y^4=-15 and x^2-y^2=-3, what's the value of x^2+y^2?
i need work shown too please...

Questions

Engineering, 01.08.2021 14:00

Solve using Matlab the problems: One using the permutation of n objects formula One using the permutation of r objects out of n objects

Mathematics, 01.08.2021 14:00

Một vòi nước chảy vào bể không có nước. Cùng lúc đó một vòi nước khác chảy từ bể ra. Mỗi giờ lượng nước vòi chảy ra bằng 4/5 lượng nước chảy vào. Sau...