Gracie723 Gracie723

03-04-2018
Mathematics

contestada

(2a+b)^2÷(3b-1) when a= -2 and b=5

Respuesta :

zrh2sfo zrh2sfo

03-04-2018

Evaluate (2 a + b)^2/(3 b - 1) where a = -2 and b = 5:
(2 a + b)^2/(3 b - 1) = (5 - 2×2)^2/(3×5 - 1)

3×5 = 15:
(5 - 2×2)^2/(15 - 1)

| 1 | 5
- | | 1
| 1 | 4:
(5 - 2×2)^2/14

2 (-2) = -4:
(-4 + 5)^2/14

5 - 4 = 1:
1^2/14

1^2 = 1:

Answer: 1/14

Answer Link

Otras preguntas

Sam worked on his science fair project for 1/4 hour on Friday and 1/2 hour on Saturday. What are four common denominators for the fractions? Explain your reason

Consider the following scenario: You live near the shoreline and hear a report that an earthquake hit the ocean floor near your location. Your town may experien

When enjoying the natural environment, be sure to A. pick flowers. B. pet the wild animals. C. take out only what you take in. D. leave trash lying on the gr

-1,-2 and -5x + 3y = 9 whats the new equation

Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today. a. hydrogen b. oxygen c. lead d. ore

What hesitations and doubts about imperialism did Americans evince between 1865 and 1898? How did the Spanish-American War change all this?

Which sentence has a misplaced adjective clause? a. Even the adults were jumping and splashing like children, who usually don't play much. b. Lifeguards, who f

During the late 1800s factory workers became increasingly more productive because they were well paid, their working conditions were safe, and they were treated

Korea’s revolt against Japanese imperialism is referred to as the _____________. a. the May 4th Movement c. the Sino-Japanese War b. the Cultural Revolution

which lewis electron-dot diagram represents a nitrogen atom in the ground state