Answer:
The amount invested at 3% is 300 &
The amount invested at 2% is 100.
Step-by-step explanation:
Total yearly interest for the two accounts is: $11
Let x be the amount invested at 3%
& y be the amount invested at 2%
From the question we can get 2 equations as;
x = 3y --------------------------Equation 1
0.03x + 0.02y = 11 ----------Equation 2
Substitute for x in Equation 2 we get;
0.03 (3y) + 0.02y = 11
0.09y + 0.02y = 11
0.11y = 11
Divide the above equation by 0.11, we get;
y = 
y = 100
Let us substitute the value of y in Equation 1 we get;
x = 3(100)
x = 300
Now to check our answer let us put in the simple interest formula. If we get the sum of the two interests equal to 11 then our answers are correct:
0.03 x 300 + 0.02 x 100
= 9 + 2
= 11
Hence the amount invested at 3% is 300 and the amount invested at 2% is 100.
Answer:
0.7 /-0.14
Step-by-step explanation:
Use calculator and press the pecahan and change it to decimal
Answer:
x=-4,1,2+5i,2-5i
Step-by-step explanation:
Given is an algebraic expression g(x) as product of two functions.
Hence solutions will be the combined solutions of two quadratic products
I expression can be factorised as
Hence one set of solutions are
x=-4,1
Next quadratic we cannot factorize
and hence use formulae
The formula that describes this function is c = 50t + 200
<h3>
What is a Linear equation</h3>
A linear equation is in the form:
y = mx + b
Where y,x are variables, m is the rate of change and b is the y intercept.
Let c represent the distance june has traveled after time t.
Since the cities are 200 miles apart, hence b = 200. Also the spoeed is 50 mph, hence m = 50:
c = 50t + 200
The formula that describes this function is c = 50t + 200
Find out more on Linear equation at: brainly.com/question/14323743
