aliy7897 aliy7897

14-01-2021
Mathematics

contestada

Hrozmarly needs to evaluate the following expression y^2-x^2 when y=9 and x=2. Her answer should be?

i am in 6 grade

Respuesta :

14-01-2021

Answer:

Step-by-step explanation:

y^2 -x^2=

y^2=9^2=81

x^2=2^2=4

81-4=77

Answer Link

Otras preguntas

Which factor made the most difference in how agriculture affected the economies of the colonies? A. workforce B. choice of crops C. climate D. access to ports

You lean a ladder 6.7 meters long against a wall. It makes a 63 degree angle with the level ground. How high up is the top of the ladder?

You lean a ladder 6.7 meters long against a wall. It makes a 63 degree angle with the level ground. How high up is the top of the ladder?

Which factor made the most difference in how agriculture affected the economies of the colonies? A. workforce B. choice of crops C. climate D. access to ports

Which factor made the most difference in how agriculture affected the economies of the colonies? A. workforce B. choice of crops C. climate D. access to ports

i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field

Which factor made the most difference in how agriculture affected the economies of the colonies? A. workforce B. choice of crops C. climate D. access to ports

i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field

i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field

The 1469 marriage of Prince Ferdinand and Queen Isabella created which nation?