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

Joe gets paid 4 pounds to walk a dog. He wants to save 11 pound? How many times does he need to walk the dog.

which kind of covalent bond has unequal sharing of electrons

how much money did the us lose in exports in the first year after the embargo act was passed

what number is 45% of 180

Rosita invested in a precious mineral. The value of the mineral tends to increase by about 12% per year. She invests $24,000 in 2014. How much more will her inv

1.74÷(−0.06)? PLEASE HELP ME

A galvanic cell has the overall reaction: zn(s) 2eu(no3)3(aq)  zn(no3)2(aq) 2eu(no3)2(aq) which is the half reaction occurring at the anode

Explain why it doesn’t matter what letter or symbol is used to find an unknown number

Scientific models are based on a set of observations. Please select the best answer from the choices provided T F

As a person squeezes and applies pressure to the outside of a balloon, air particles inside