Answer:
65
Step-by-step explanation:
(4-7i)(4+7i) =16 + 28i-28i -49i^2 ➡16 - 49i^2
16 + 49 = 65
the fault here is i^2= -1 and -1 multiplied by -49 is +49 not -49
<em>Answer: 
</em>
Step-by-step explanation:
0.702 → 7.02 → 70.2%
Hope this helps!
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78/15 It would be 78 out of 15 because you would have to add all of the gumballs minus the yellow ones which is 15 so you take All the numbers and add them together and they would all equal 93 then you subtract 15 from 93 and then you’re left with 78 because they’re only 15 yellow gumballs you would put 78 on top and then 15 on the bottom
Answer:
x=2
Step-by-step explanation:
2(x-4)+7=3
2x-8+7=3
2x-1=3
+1 +1
2x=4
/2 /2
x=2
Answer:
80
Step-by-step explanation:
8 is 10% of 80 and this was 60% (logical I guess)
