(6 + 5i)(4 + 7i) = 24 + 42i + 20i + 35i²
= 35i² + 62i + 24
The product of 6+5i and 4+7i is 35i² + 62i + 24.
Answer:30
Step-by-step explanation:
60 plus 30 equals 90 so common sense says that’s the answer
The ratio is 7:1 begin with seven
Answer:
a)628 b)20
Step-by-step explanation:
a)
V=πr^2h
=3.14*5^2*8
b)V=πr^2h
=3.14*(4.1/2(2.05))*3.1
=3.14*2.05*3.1
=20 (nearest whole number)
Answer:
Question 3: Line 3
Question 4: 7
Question 5: -21
Step-by-step explanation:
Line 3 shows the answer because instead of adding 25 on the right which is what they should've, they subtracted 25
You need to distribute in the 2nd step so you get 4x-12=16 which simplifys to 4x=28 and 28/4 = 7
You can put it into an equation then solve:
=4+(-11)