aasha5441 aasha5441

06-07-2021
Mathematics

contestada

if x+y=12 and xy =27,then find the value of x^2+y^2
PLEASE HELP !

Respuesta :

VirαtKσhli VirαtKσhli

06-07-2021

Answer:

90

Step-by-step explanation:

=> x + y = 12

=> x² + y² + 2xy = 144

=> x² + y² + 2 * 27 = 144

=> x² + y² = 144 - 54

=> x² + y² = 90

Answer Link

Otras preguntas

What does the most accurate clock tell us

I don't seem to understand. If u help me? I'll mark u the brainliest!

The square with side length 2 cm is dilated by a scale factor of 7/3 is the dilated image larger or smaller than the original image? explain how you know.

Help please I don’t get what the answer is. Btw it is asking in 1796

Correct each sentence by writing the correct form of the underlined verb

Which scenario is an example of a negative feedback loop?\ a)When body temperature increases, sweat is produced as a cooling agent to lower body temperature. b

I’m failing this class and I need a lot of help! It would Be greatly appreciated!

1.What techniques does Edwards use to create a strong sense of light and color? 2.How are different warm and cool colors able to change the mood of a compositi

i need help with slope formula

Paola is planning her summer vacation. She wants to buy maps and atlases to use in her planning. The maps cost $3.00 and the atlases cost $7.00 each. If she spe