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

Travis bought a new pair of shoes that had an original price of $120.00. The store discounted the shoes by 45%. What was the discounted price he paid for shoes,

Which system is responsible for creating red blood cells? a skeletal b muscular c nervous d circulatory

Simplify: (31 - 11) + 5+2x4 Submit

A narrator tells the story to another character using the word "you" or "your."

Following information relates to Acco Co. a. Beginning cash balance on July 1: $50,000. b. Cash receipts from sales: 30% is collected in the month of sale, 50%

Determine the error in the works cited below. Words Cited. Anderson, Nancy. "Harper Lee." Italic, Encyclopedia of Alabama, Auburn University. 19 March 2007. We

plz help me with this one its hard:(

The slope of a graphed line is equivalent to the rate of change in a real-world problem. What is the rate of change (slope) in this problem? Pia is saving money

What is the purpose of the United Nations' Universal Declaration of Human Rights? O to protect the rights of people in democratic countries O to promote democra

Intensity is ___________________ a. the lightness or darkness of a color. b. the illumination coming from a light source. c. the brightness or dullness of a col