robert5254
robert5254
01-12-2020
Mathematics
contestada
4х – Зу = 34
3х + 2y = 17
Respuesta :
Emersoncushing
Emersoncushing
01-12-2020
(7, -2)
2(4x-3y=34)
8x-6y=68
3(3x+2y=17)
9x+6y=51
8x-6y=68
+9x +6y=51
17x =119
x=7
4(7)-3y=34
28-3y=34
-28 -28
-3y=6
y=-2
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
What is the ph of a solution that is 0.06 m in sodium benzoate (nac7h5o2) and 0.09 m in benzoic acid (hc7h5o2)?
the water was pumped out of a backyard pond. what is the domain of this graph
NEED HELP! Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 5 CDs a month t
Which of these is an isoelectronic series? 1) na+, k+, rb+, cs+ 2) k+, ca2+, or, s2– 3) na+, mg2+, s2–, cl– 4) li, be, b, c 5) none of these (a-d) save?
Which of the following rational functions is graphed below?
the answers are A. 15 B. 14 C. 16 D. 19
Last year Jill was 5.1 feet tall she grew 8% taller in 1 year how tall is she know
Multiply (2.4 ⋅ 1014) ⋅ (4 ⋅ 107). Express the answer in scientific notation. 9.6 ⋅ 1021 9.6 ⋅ 1022 96 ⋅ 1021 96 ⋅ 1022
If 3t+2=7, then t=? Answer choices: A.-9 B.3/5 C.5/3 D.9
A certain car is capable of accelerating at a rate of 10.60 m/s 2 . how long does it take for this car to go from a speed of 55 mi/h to a speed of 60 mi/h
