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Dafna1 [17]
3 years ago
13

What's (6+5i)(6-5i) using the foil method

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0

Answer:

Step-by-step explanation:

Remember:\\(a+b)(a-b)=a^2-b^2\\\\(6+5i)(6-5i)=6^2-(5i)^2=36-(-1)*25=36+25=61\\

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Determine the number of solution for <br>a) x &gt; 9<br>b) x + 1/2 = 5/6​
aniked [119]

Answer:

a

Step-by-step explanation:

x>9 - 6/9 = 5 lol

8 0
3 years ago
HELP SUPER FAST PLS
givi [52]

Answer:

GCF = 5

Step-by-step explanation:

15x² - 10x + 5

x is not contained in all 3 terms thus is not a factor

15 has factors 1, 3, 5, 15

- 10 has factors ± 1, ± 2, ± 5 , ± 10

5 has factors 1, 5

The common factors are 1, 5

Then GCF = 5

6 0
3 years ago
The nth term of a sequence is 3n+5<br> write down the 5th and 6th terms of the sequence
QveST [7]

Answer:

5th term: 20

6th term: 23

Step-by-step explanation:

T5=3n+5

T5=3(5)+5

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T6=3(6)+5

T6=18+5

T6=23

T5= 20

T6= 23

6 0
3 years ago
Consider a family with 4 children. Assume the probability that one child is a boy is 0.5 and the probability that one child is a
jarptica [38.1K]

Answer:

a) Total 16 possibilities

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5 0
4 years ago
Determine the Lateral Area of the cylinder.
Shkiper50 [21]

Answer:

i think its 112π ft²

Step-by-step explanation:

6 0
3 years ago
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