Answer:
3 - 3i
Step-by-step explanation:
The conjugate is the opposite sign i of the original. So you simply switch the sign of 3i to -3i to find your conjugate.
Answer:
Sometimes a diagonal numerator and denominator are the same number.
Canceling is a way to simplify fractions before we multiply.
Find one numerator and one denominator that are divisible by the same number.
This is the easiest kind of cancellation, because they both cancel to 1.
Step-by-step explanation:
didn't look it up hope this helps!
Let no of woods be x
no of irons= 2x+4
Equipment contains 75% iron
2x+4 = 0.75 ( x+2x+4)
2x+4 = 0.75x + 1.5x +3
2x+4 = 2.25x + 3
0.25x = 1
x= 4
No of woods = 4
Answer:
yes
Step-by-step explanation:
So basically we have to solve 100 = -x² + 10x + 300 for x.
x² - 10x - 200 = 0
(x - 20)(x + 10) = 0
x = 20, -10
Answer:
sales tax is $2
total price is $32
Step-by-step explanation:
the answer for the sales tax is actually point $2.10 becasue if you multiply 30 to 7% but since they ask you to round it to the nearest cent it would be 2 so that would be your sales tax and then for the total you just add $30 to $2 and your total is $32