Set up a system of equations with x being 5 point questions, and y being 3 point questions
x+y=46
5x+3y=105
from here you can set y= 46-x
5x+ 3(46-x)= 150
2x+138= 150
x=6, meaning there are 6 5 point questions
that means there has to be 40 3 point questions
Answer: 40 3 point questions and 6 5 point questions
Answer:
<em><u>Answer is below</u></em>
Step-by-step explanation:
10^0
=1
Answer:
The expression 1.02^(4+n) can be used because 1.02^4 * 1.02^2= 1.02^(4+n) AND this is option C.
Step-by-step explanation:
For 4 + N years = (1 + 2/100)^(4+N)
= 1.02 ^ (4+N)
Remember, that the number of years is increased by N and interest rate remain the same, and n is years, and which is now 4+ N.
Answer: x=-2, y=2
Step-by-step explanation:
(SUBSTITUTION)
= 4x+4-x=2
x=-2
3y=4 x (-2)
y= 2
