Multiply bottom equation by -3 to add and eliminate y’s.
So...
5x-15y=10
+-9x+15y=18
You get -4x=28 so x=-7
Plug in to get y
5(-7)-15y=10
-35-15y=10
-15y=45
So y=-3
Check in other equation
3(-7)-5(-3)=
-21+15=-6
So x= -7 and y= -3
The term that can be used by the person to compute the interest in the investment will be simple interest.
<h3>What is simple interest?</h3>
It should be noted that simple interest simply means the interest that is charged on a loan.
The simple interest is gotten by multiplying the daily interest rate by the principal. When one borrows money.
Also, the type of interest that would save you more money if the interest rate and time for loans are exactly the same is a compound interest.
Learn more about simple interest on:
brainly.com/question/25793394
Answer:
18/5
Step-by-step explanation:
4−
2
5
=
4
1
−
2
5
=
4
1
+
−2
5
=
20
5
+
−2
5
=
20+−2
5
=
18
5
(Decimal: 3.6)
Answer:
89.81
Step-by-step explanation:
divide 38.49 by 3 and you get 12.83
then multiply 12.83 by 7
Answer:
106.60 cm^2
Step-by-step explanation:
A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees
Area of a triangle = 1/2 x base x height
1/2 x 13 x 16.4 = 106.60 cm^2
