aprAnnajessma aprAnnajessma

21-11-2016
Mathematics

contestada

Solve the system of equations below by graphing them with a pencil and paper. Choose the correct ordered pair (b, u).

u = -b + 21
u = -2b + 30 ...?

Respuesta :

nobillionaireNobley nobillionaireNobley

23-11-2016

u = -b + 21 . . . (1)
u = -2b + 30 . . . (2)
Equating (1) and (2),
-b + 21 = -2b + 30
-b + 2b = 30 - 21
b = 9
u = -9 + 21 = 12

Therefore, (b, u) = (9, 12).

Answer Link

Otras preguntas

How do you write 40/25 as a percentage?

The natural environment includes A. roadways. B. mountains. C. high-rise buildings. D. motorized vehicles.

what is compare and contrast

The following chart shows the Baffin Bay high and low tide heights for four consecutive days. Describe the changes in the heights of the high and low tides from

Jack swam 3.4 miles in the same time that Christine swam 4.1 miles. How many more miles did Christine swim?

Which sample of matter is a mixture

Safety equipment like fire extinguishers and fire blankets are used to prevent accidents. True or False

Find the area of each circle. Give your answer in terms of Pi C=pi/2 A=? Please help!!!

if nondisjunction occurs and individual survives, which disorder can occur

is 2/3 greater than 1/5