3 years ago

What is x-2y=-1 and 2y+y=4 using elimination step by step

Mathematics

2 answers:

Alja [10]3 years ago

8 0

Answer: is it supposed to be 2y+y=4?

attashe74 [19]3 years ago

5 0

2y+y something like that i think

You might be interested in

I need help , so help me.

UkoKoshka [18]

Answer: -30

Step-by-step explanation:

7 0

3 years ago

saved Erica saved 20% on a shirt she just bought if the amount of money she saved was $6 what was the original price of the shir

olga2289 [7]

If the amount she saved was $6 for 20%, then the formula for finding savings would be cost*percentage.
But if you want to find the original cost, then you play with the current formula until you get this. $6/20%. Have a good one :)

5 0

3 years ago

Read 2 more answers

An object is experiencing an acceleration of 30 m/s2 while traveling in a

mixas84 [53]

Answer:

${ \tt{formular :}} \\ { \boxed{ \bf{centripental \: acceleration = \frac{ {v}^{2} }{r} }}} \\ \\ { \tt{30= \frac{ {3.7}^{2} }{r} }} \\ \\ { \tt{r = \frac{ {3.7}^{2} }{30} }} \\ \\ { \tt{radius = 0.456 \: meters}}$