3 years ago

Substitution method x= -2y 2x+5y=-1

2 answers:

7 0

so if X is -2y then u put that in for x and get -4y and then add 5 to get 9

maw [93]3 years ago

3 0

So you would put -2y in for x. It would become 2 • -2y + 5y = -1

Simplify and the answer is y = -1

You might be interested in

nikitadnepr [17]

There are lots of them I know but I will only give you a few of them.

14/30 56/120
21/45 63/135
28/60 70/150
35/75 77/165
42/90 84/180
49/105 91/195

6 0

3 years ago

worty [1.4K]

3(8) + 2(4) = 32

Explain

8 0

3 years ago

Doss [256]

Answer:

D. 29

Step-by-step explanation:

∠ACE is a secant- secant angle and is measured as half the difference of the intersecting arcs, that is

∠ACE = 0.5(m AE - m BD )

= 0.5 (106 - 48)° = 0.5 × 58° = 29° → D

7 0

4 years ago

VashaNatasha [74]

I believe it’s the second one because it’s the only one that has the same variable.

7 0

3 years ago

vichka [17]

Answer:

20%

Step-by-step explanation:

% increase = (final − initial) / initial × 100%

= (30 − 25) / 25 × 100%

= 20%

6 0

3 years ago