206k views
3 votes
I need help please.....

I need help please.....-example-1
User Felace
by
6.1k points

1 Answer

4 votes

Answer:

a=5.94

Explanation:

step 1

Multiply out the matrix into a simultaneous equation to obtain

37a+22b+59c=500.25-------------------------i

27a+31b+44c=428-------------------------------ii

30a+31b+57c=488.20--------------------------iii

step 2

Solve simultaneously or by calculator to obtain

a=5.94, b=4.01 and c=3.26, approximately.

User Jackcogdill
by
5.9k points