Real coefients
if a+bi is a root then a-bi is also a root
since 3-i is a root then 3+i s also a root
also the √7, so if √7 is a root then -√7 is also a root
so
f roots are r1 and r2 then the factored form is
f(x)=(x-r1)(x-r2)
roots are 3-i, 3+i and √7 and -√7
f(x)=(x-(3-i))(x-(3+i))(x-√7)(x-(-√7))
expanded
f(x)=x⁴-6x³+3x²+42x-70
Answer:
The unit rate is 13 cents per ounce.
Step-by-step explanation:
Given that:
Weight of Frosted Flakes = 14 oz
Cost of Frosted Flakes = $1.80
Unit rate = Cost / Weight
Unit rate = 1.80 / 14
Unit rate = $0.13 per ounce
Or the rate can also be written in terms of cents.
Unit rate = 13 cents per ounce
Hence,
The unit rate is 13 cents per ounce.
Answer: 45
Explanation: Remember that dividing by a fraction is the same thing as <em>multiplying by the reciprocal</em> of that fraction or that fraction flipped.
Also, think of the 15 in this problem as 15/1.
So we can rewrite 15/1 ÷ 1/3 as 15/1 · 3/1.
Multiplying across the numerators and the denominators,
we find that our answer is 45/1 or just 45.
Answer:
Step-by-step explanation:
1074/100
1.074*10
0.1074*10
107.4/10
10740/1000
