3 years ago

3x+5y=3 -x+2y=10 Cramer’s rule

Mathematics

1 answer:

sveta [45]3 years ago

4 0

Answer:

y=3

x=-4

Step-by-step explanation:

-x+2y=10

-3x+6y=30,

then add it with 3x+5y=3,

3x+5y=3

-3x+6y=30, would be...

0x+11y=33,

y=3,

x=-4

You might be interested in

Plzzzzz help , really easy im just du mb

ra1l [238]

Answer:

Step-by-step explanation:

They are about 3 meters away from each other

and the correct area is 15.5-12 and the correct answer is 3.5 meters apart

3 0

3 years ago

Read 2 more answers

PLEASE PLEASE HELP ME!!!

leonid [27]

I tried to show all work.

8 0

3 years ago

Read 2 more answers

Please help me ASAP yall!!!

ASHA 777 [7]

Answer:

Step-by-step explanation:

<C+<D = 180 since they form a straight line

5x+20 +3x = 180

8x+20 = 180

Subtract 20 from each side

8x+20-20 = 180-20

8x = 160

Divide by 8

8x/8 = 160/8

x = 20

We want to find angle D

<D = 3x= 3*20 = 60

8 0

3 years ago

I need help with any of these please try to explain

Nana76 [90]

Its math just use a calculator or something

6 0

3 years ago

Andre is making paper cranes to decorate for a party. He plans to make one large paper crane for

UkoKoshka [18]

I need sum more info just email me and we can get this dun

8 0

3 years ago