1. Suppose Mary deposits $200 at the end of each month for 30 years into an account that
pays 5% interest compounded monthly.
a. How much total money will she have in the account at the end?
R=200, i=.05/12, n=30 x 12=360
S=R (1+i)n - 1) / i = 200(1+.05/1
1. Simplify the following algebraic operations:
a) 7x 2(x-2) + 5(x+3)
7x-2x +4 +5x + 15
=10x+19
b) (x+2)(x-4) + 3x + 1
X^2-4x+2x-8+3x+1
X^2-2x+3x8+1
X^2+x-7
2. Suppose a student has earned the following grades on her first four quizzes: 83, 72, 89, 78. Wh
1. Find the x- and y-intercepts for the line given by the equation 3x + 2y = 12
3x + 2(0) = 12
Simplify to 3x = 12
Divide by 3 to get
x=4
x-intercept is x = 4
3(0) + 2y = 12
Simplify to 2y = 12
Divide by 2 to get
y=6
y-intercept is y = 6.
Thus, the line 3
1) Convert 4.0005% into a decimal.
0.040005 To make 4.0005% percentage into a decimal, I dropped the percent sign and took the decimal
point back 2 to the left (same at dividing it by 100).
2) Convert 400.05% into an improper and a mixed fraction.
4.00.05
1) Convert 4.0005% into a decimal.
2) Convert 400.05% into an improper and a mixed fraction.
3) Convert 4.0555 into an improper and a mixed fraction.
4) Evaluate 3/5 x 20/25 and simplify.
5) Evaluate 2 3/4 + 1 1/2 and simplify.
Using signed numbers in bas