Rebekahonfleek Rebekahonfleek

15-01-2018
Mathematics

contestada

What is the value of x in the equation below? Round to the nearest hundredths place.

[tex]0.45 (x +1.6) + 5x =18[/tex]

A. 3.01
B. 3.17
C. 36.44
D. 38.40

Respuesta :

Аноним Аноним

15-01-2018

0.45(x + 1.6) + 5x = 18
0.45x + 0.72 + 5x = 18
5.45x = 18 - 0.72 = 17.28
x = 17.28 / 5.45

x = 3.17 answer

Answer Link

asdfadfaeasdf asdfadfaeasdf

15-01-2018

0.45(x+1.6)+5x = 18

Expanding 0.45x+0.45*1.6+5x = 18

Regrouping 0.45x+5x = 18-0.45*1.6

So 5.45x = 18-0.72
x = 17.28/5.45 = 3.17

Ans is B

Answer Link

Otras preguntas

Which type of mixture could this illustration represent? A) Heterogeneous mixture B) homogeneous mixture C) not enough information to tell PLEASE HELP!! I do

Women with inverted triangle shapes should wear deep-necked tops in order to:

A cylinder has a total volume of 678.59 and a height of 6m. what is the diameter of the cylinder? please help and show work

How many different one-to-one function are there from site:math.stackexchange.com?

The shortest side of triangle ABC is half of the second side and a third of the longest side. How does the perimeter of the triangle compare to the longest side

Which step is catalyzed by the enzyme responsible for the met 3 mutant?\?

Trabalenguas de no ala violencia en las instituciones educativas

PLEASE HELP! Ordinary brass contains 61.6% copper, 2.9% lead, 0.2% tin, and 35.3% zinc. How many pounds of each metal would be in 160 lb. of brass?

thank u so much for helping me

Hey guys sorry if it is more than one question but I really need help with this by tomorrow. pls hlp.