00Jzlyne00 00Jzlyne00

02-12-2014
Mathematics

contestada

Ten less than double a number is the same as seven times the number. Find the number

Respuesta :

AzureEchoes AzureEchoes

02-12-2014

Put in equation form, that problem would be 2n - 10 = 7n

Subtract 2n from each side and you get -10 = 5n

Divide both sides by 5 and you get -2 = n

So the answer would be -2 (negative two).

Answer Link

Otras preguntas

Which type of emission has the highest penetrating power? (1) alpha (3) positron (2) beta (4) gamma

In which solution will thymol blue indicator appear blue? (1) 0.1 M CH3COOH (3) 0.1 M HCl (2) 0.1 M KOH (4) 0.1 M H2SO4

Why did American Indians occupy Alcatraz Island in 1969?

Which atom in the ground state requires the least amount of energy to remove its valence electron?(1) lithium atom (2) potassium atom (3) rubidium atom (4) sodi

which of the following is something to check for during the proofreading process?

solve for t. s=1/2gt^2

Atoms of which element can bond to each other to form chains, rings, and networks? (1) carbon (3) hydrogen (2) fluorine (4) oxygen

Given the reaction at equilibrium: N2(g) + 3H2(g) -->2NH3(g) + 91.8 kJ What occurs when the concentration of H2(g) is increased? (1) The rate of the forward

Which atom in the ground state has the same electron configuration as a calcium ion, Ca2+, in the ground state?(1) Ar(2) K(3) Mg(4) Ne

When 50. milliliters of an HNO3 solution is exactly neutralized by 150 milliliters of a 0.50 M solution of KOH, what is the concentration of HNO3? (1) 1.0 M (3)