supergirl20
supergirl20
03-03-2017
Mathematics
contestada
someone tell how to get the answer plz
Respuesta :
LivingDeadGirl9201
LivingDeadGirl9201
03-03-2017
use elimination
4x+8y=20
(+)-4x+2y=-30
added together the x's are eliminated
10y=10
y=1
hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
Write the number that matches the clues My number has 2 hundreds. The tens digit is 9 more than the ones digit
David bought a game on sale for $6 less than half its original price.she paid $88 for the jacket. What was the original price
A plane flies round-trip to Philadelphia. If flies to Philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour. If the total trip
Estimate 46/6,725, then find the quotient.
Express 230 in scientific notation
Antonio sold a hat for $18. His wholesale cost was $8. What was the percent markup?
A. Rice costs $1.33 per kilogram. How much will 1.3 kg of rice cost? B. Milk costs $.71 per liter. How many liters can you buy with $3.00 C. How are part (a) a
What number is halfway between 3000 and 4000
Give 5 natural examples of unbalanced forces around us. Other than friction.
16. The main reason self-confidence is important in human relations is because
