abbi2306311 abbi2306311

03-04-2017
Mathematics

contestada

Solve Radical Equations
sqrt(28)+sqrt(63)+sqrt(175)

Respuesta :

ghanami ghanami

03-04-2017

hello :
175=7×5²
63=7×3²
28 = 7×2²
√175 =√(7×5²) =5 √7
√63 = √(7×3²) =3√7
√28 =√( 7×2²) = 4√7
√28+√63+√175 =4√7 +3√7 +5 √7 =(4+3+5) √7 =12 √7

Answer Link

Otras preguntas

Find the angle formed by the hands of a clock at 11:40

Two locomotives approach each other on parallel tracks. Each has a speed of v=95 km/h with respect to the ground. If they are initially d= 5.0 km apart, how lon

10. When a sunlike star’s hydrogen runs out, at first it expands into __________. a superg a white dwarf a star similar to our sun a red giant

a submarine dives below the surface, heading downward in three moves.if each move downward was 325 feet, where is the submarine after it is finished diving

The value of 4 in 3,492 is blank times the value of 4 in 704

Please help this is urgent! :(Emma is 3 times as old as Tara.In another 7 years Emma will be twice as old as Tara will be.Write at least one question and use al

What is the common English unit of mass?

What was the prevailing economic challenge the United States faced at the start of World War II?

10. When a sunlike star’s hydrogen runs out, at first it expands into __________. a superg a white dwarf a star similar to our sun a red giant

What is the square root of 1.44 with a + and - on the outside of the radical?