Answer:
two
Step-by-step explanation:
Answer:
√7i = x
Step-by-step explanation:
x²+y²=9;
y² = 9-x²
y = √(9-x²)
As line is given by y= 4, the solution of the system is:
4 = √(9-x²)
16 = 9-x²
7 = -x²
-7 = x²
√-7 = x
As √-7 doen't exist, you should use i = √-1;
Thus,
<em>√7i = x</em>
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I hope it helps!
Answer:
0.06
Step-by-step explanation:
Just type it into your calculator. For me its easier to not try and do it in your head. Plus you'll always have a calculator with you if you have a phone.
Answer:
Brand A costs 5 cents more than Brand B
Step-by-step explanation:
divide 3 by 4 to get the unit price of brand a
divide 7 by 10 to get the unit price of brand b
It will increase by $30
We need to convert the percentage to a decimal by dividing by 100. Then we multiply by the $150.
150 x 0.20 = 30
