lroth256 lroth256

16-04-2020
SAT

contestada

-2x+by=59
5x-y=1

If the system of equations above has exactly one solution (x,y) and x=2, what is the value of b?

Respuesta :

jasmineshkuri jasmineshkuri

20-04-2020

Answer:

b=7

Explanation:

5(2)-y = 1

10-y = 1

y= 9

-2(2) + 9b=59

9b= 59+4

9b=63

b=7

Answer Link

Otras preguntas

What is 0.1x = 0.2(x+2)

Unit rate $7.95 for 5 pounds

Determine if the following sentence is cited correctly. Winston contends that Pluto should continue to be classified as a planet (12).

What is the simple subject of the following sentence? Then, glancing upward at Lady Weathers's face, he saw a look of consternation. a. consternation b. face

The Petition of Right (1628) resulted in the powers of the monarchy being

If a beaker of water and a beaker of acetic acid are at the same elevated temperature, which will cool more quickly to room temperature? Support your answer.

I got out a bowl and read the recipe and then I started adding ingredients. After which word should a comma be placed? bowl then recipe

Expand and simplify 2(x-1) - (3x-2)

What types of permanent settlements did the Spanish establish in North America?

The Mesopotamia region was famous for what architecture? Pyramids Ziggurats Taj Mahal Colosseum