annie2c0ol
annie2c0ol
14-02-2018
Mathematics
contestada
Hhhhhhheeeeeellllllpppp meeeeee
Respuesta :
liemonder
liemonder
15-02-2018
3x+9=36
with 2 times 9kg and 18kg is the solution:
I:2x+y=36
II:y=x+9
if you substitute y of II into I:
3x+9=36
3x=27
x=9
-> 2 boxes with 9kg and 1 with 9+9=18 kg
2*9+18=36kg in total
so the third option/Rashid is the solution
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
A pencil cost $1.20 and a pen cost $2.90. Jasmiah bought an equal number of such pencils and pens. She spent $32.30 more on the pens than on the pencils. How ma
You have 20 coins (8 silver dollars, 7 quarters, and 5 dimes) and plan to sell 8 at random. What is the probability that you sell 3 silver dollars, 2 quarters,
Compare the linear relationships. Linear equation A: y=3x Linear equation B is partially represented by the points in this table. x y 5 20 7 28 9 36 Whi
What are you paying for when you lease a car? the purchase price of the car rent on a parking space the decrease in the car's value the production costs of the
the bill of rights was a response to the demand made by the
Explain five reasons the government offers training to business people
For the reaction, Cl2(g)+3F2(g)→2ClF3(g) , determine the rate of change of ClF3 if the concentration of F2 decreases from 0.950 M to 0.865 M over 15 seconds.
a well presentation for debate on the topic of the digital library is better than the analog library
Help Pls! I need this fast!
how do i find x?? whats the answer?
