Answer:
$2400 in A rated bond and $3000 in B rated bond.
Step-by-step explanation:
We have been given that Maria has recently retired and requested an extra $444.00 per year in income.
We can represent this information in an equation as:

She has $5400 to invest in an A-rated bond that pays 10% per annum or a B-rated bond paying 6% per annum.

From equation (1), we will get:

Substitute this value in equation (2):







Therefore, Maria should invest $2400 in A-rated bond.
Substitute
in equation (1):



Therefore, Maria should invest $3000 in B-rated bond.
Answer:
Step-by-step explanation:
First, carry out the indicated multiplication. We get:
2m/5 - 4/5 + 3/5, which condenses to
2m - 1
2m/5- 1/5 or ---------------
5
Answer:
They are perpendicular to each other
Step-by-step explanation:
The answer is 320,000,000 check photo for work
Answer:
x=0
Step-by-step explanation:
it cancels