lintiffany
lintiffany
27-02-2018
Mathematics
contestada
If 3p+4q=8 and 4p+3q=13, what is q equal to?
Respuesta :
hoottootriot
hoottootriot
06-03-2018
q= -1. I did this problem by elimination, by multiplying the first one by -4 and the second by 3, to cancel out the p. I ended up with -7q=7. I divided both sides by -7, and got q=-1.
Answer Link
VER TODAS LAS RESPUESTAS ( 21+ )
Otras preguntas
Which sentence has a misplaced adjective clause? A. Little Emily, whose parents claime
If you left a board lying in the grass for a few days, what would happen to the grass underneath the board? Why?
Combine like terms to simplify the expression: 7x + 3y – 2 + 6x – 1 – y2 A.–2y3 + 13x – 3 B.–y2 + 3y + 13x – 3 C.–y2 + 3y + 42x2 –3 D.–3y3 + 13x2 – 3
are there any birds that can't fly
A solution of 10 M NaOH was used to prepare 2 L of 0.5 M NaOH. How many mL of the original NaOH solution are needed? a. 10 mL b. 100 mL c. 1000 mL d. 200 mL e.
Lee and his family are planning a hiking trip on the Appalachian Trail. They are packing food in 2-lb bundles. How many bundles can they make with 36 lb of food
What causes sediment to change into hard rock
Which syllable is most strongly accented? Magnificent?
Evaluate the expression when a = –1.4 and b = –2.7. |a| + b A.–1.3 B.–4.1 C.4.1 D.1.3Solve for x. A.x = 35 B. 9 2/7 C.x = 63 D. 31 1/2 Graph the sol
what is a sharp projecting edge of something?
