Given: 3x + 1 = -14; Prove: x = -5
2 answers:
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Let the amount invested at 4% be = x
Let the amount invested at 3% be = y
Given is:
or
.... (1)
As, total income for the two investments is $194, so equation is:
....(2)
Putting value of x from (1) in (2)
And x=5200-y
Hence, money invested at 4% is $3800 and money invested at 3% is $1400
Answer:
- The length of VW = 36 units.
Step-by-step explanation:
We know that a rhombus is a quadrilateral with four sides. All four sides have the same length.
From the diagram, it is clear that
- The length of VW= 6m-12
- The length of WX = 4m+4
As all the four sides of the rhombus have equal length.
So we can observe
Add 12 to both sides
Divide both sides by 2
so
The length of VW= 6m-12
= 6(8)-12 ∵
= 48-12
= 36
Thereofore, the length of VW = 36 units.