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Zarrin [17]
3 years ago
14

Evaluate. write in simplest form. 6-b/3a for a = 10, b = 9

Mathematics
1 answer:
stira [4]3 years ago
7 0
6  -   b/3a             a = 10, b = 9

6   -   9/(3*10)

6 - 9/30

6    -  3/10

6 -  0.3

= 5.7    or 57/10

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Evaluate 10x2y–2 for x = –1 and y = –2.
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Answer:

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Step-by-step explanation:

10 x -1= -10

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-10-4= -14

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2 years ago
(8 -2i)^2 <br>a:60 <br>b:68-32i <br>c:60-32i <br>d:64-32i+4i^2
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Ahat [919]
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12x+9y=21
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^^Multiply top equation by 3 and multiply bottom equation by 4

12x+9y=36
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17y=-15
^^Then subtract those two new equations

17y/17= -15/17

Y= -0.88
^^Next divide both sides by 17

4x+3* -0.88=7

4x + (-2.64) =7
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^^then choose on equation and put your new y in the y spot and solve.


X=2.41

Y=-0.88

Your point/coordinate is (2.41,-.88)
7 0
2 years ago
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