I need help with this please
1 answer:
Answer: Options 3 and 4
Perfect square trinomials are polynomials with 3 terms that when factored, are a perfect square. The first two options can be eliminated, as there are only 2 terms.
Now, we can factor the remaining options.
We can do this by using the diamond method. I have inserted the work as an image below.
hope this helped!
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It was some mistake in previous one so i edited this one.
The account A has amount $600 and B has $1600.
<u>Step-by-step explanation:</u>
The given equations are:
a+b=2200 ⇒1
0.03a+0.05b=98 or +
⇒2
Change the first equation by isolating a,
a = 2200-b. ⇒3
Apply equation 3 in 2,
+
=98.
66- +
=98.
66+ = 98.
6600+2b=9800.
2b=9800-6600.
2b=3200.
b=1600.
Substitute b value in equation 3
a=2200-1600.
a=600.