gachaalexforlife gachaalexforlife

14-01-2020
Mathematics

contestada

Jenny says the two expressions 7a – 4 + 3a - 6 and 4a – 10 are
equivalent? Is she correct?

Respuesta :

scdavis018 scdavis018

14-01-2020

yes, substitute a=2.
14 - 4 + 6 - 6 = -2
8 - 10 = -2

Answer Link

Otras preguntas

Please help i need help on pre-calc

What type of compound is represented by the graph at right? A. strong base B. strong acid C. weak base D. weak acid

which of the following is not equal to 1.20 atm? question 1 options: 17.6 psi 912 torr 1.22 bar 120 kpa

satellite dnas have been localized to what location during in situ hybridization studies?

a square has an area of 25 cm^2. show that the perimeter of the square is 20cm

What can be achieved by marketers by acquiring customer loyalty?

calculate the value of Keq at 298 K for each of the following reactions:(a) Fe₂O₃(s) + 6 HCl(g) ⇌2 FeCl₃(s) + 3 H₂O(g)(b) 3 Fe(s) + 4 CO₂(g)⇌ Fe₃O₄(s) + 4 CO(g)

An electromagnetic wave with frequency f= 9×1015 Hz is first transmitting in vacuum and then transmits in water. The index of refraction of vater is nW=1.3 A 25

discuss the importance of entrepreneurship to the socio economic development of Nigeria economy.

what kind of chemical bond is formed by transfer of electrons between alkali metals and halogens?