06-12-2016
Mathematics

contestada

For all real numbers a and b, if ab=0, then a=0 or b=0. True or false?

Respuesta :

shynnyooksj shynnyooksj

06-12-2016

True. For example, if 2 is a, and b was 0, then ab would automatically be 0. Both a and b can be 0 though, but at least one of them must be zero.

Answer Link

Madlix0329 Madlix0329

06-12-2016

False I think because the variables are right next to each other which means it's multiplying and 0×0 equal 0

Answer Link

Otras preguntas

How were the leadership styles of john smith and thomas dale similar? a. they were democratic. b. they were weak leaders. c. they were kings. d. they made s

The heat of fusion for water is the amount of energy needed for water to a. freeze. b. boil. c. melt. d. evaporate.

In the first section of Beowulf, which part is most clearly exposition? A. The tense verbal exchange between Unferth and Beowulf. B. The fight between Beowulf

Identify the type of conic section that has the equation 9x2+ 16y2 = 144 and identify its domain and range. ellipse Domain: {–3 ≤ x ≤ 3} Range: {–4 ≤ y ≤ 4}

An effect of the Land Ordinance of 1785 and the Northwest Ordinance of 1787 was that ____. the United States nearly doubled in size. the practice of slavery s

Change to a fraction or mixed number in simplest form. 66 2/3% = _____.

What is the simplified form of the expression? q^33/4/q^8 A. q^1/4 B.q^66 C.1/q^1/4 D. 1/q^66

The Articles of Confederation called for which of the following? A. A single legislative body B. The Northwest Ordinance C. A chief executive D. The right

If the point (3/5,4/5) corresponds to an angle 0 in the unit circle, what is csc θ? A. 4/5 B. 4/3 C. 3/4 D. 5/3 E. 5/4

Sids can be caused by a. smoking during pregnancy. b. smoking before pregnancy. c. drinking alcohol after the baby is born. d. drinking alcohol before conce