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adelina 88 [10]
3 years ago
6

2(b + c)2-3 (b - c)? if b = 8 and c ==-4​

Mathematics
1 answer:
finlep [7]3 years ago
3 0

Answer:

96

Step-by-step explanation:

= 2(b+c)2-3(b-c)

= 2(8+4)2-3(8-4)

= 2(8+4)1(8-4)

= 2×12×1×4

= 96 ans

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BigorU [14]
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8 0
3 years ago
Frederick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin.
belka [17]

Answer:

the statements given above are true.

Step-by-step explanation:

Given that Frederick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin.  

He spun a 4 five times.

The statements true are:

i) For the experimental outcomes to be closer to the predicted outcome, the number of trials should be increased.

iii) If the number of trials is changed, the experimental probability also changes.

iv) If the number of trials is changed, the predicted number of outcomes also changes.

v) If the number of trials is changed, the number of experimental outcomes also changes.




5 0
3 years ago
Read 2 more answers
if there are 12 dogs that sell for $104 and 8 cats that sell for $25. At the end of the day there are 4 dogs left and 5 cats lef
Vinil7 [7]

Initially there were 12 dogs

dogs left at the end of day =4

number of dogs sold=12-4=8

price of one dog=$104

price of 8 dogs = 104*8= $832

initially there were 8 cats

cats left at the end of day =5

number of cats sold =8-5=3

price of one cat= $25

price of 3 cats =25*3= $75

ratio of sales for dogs to cats = 832/75

7 0
3 years ago
(4y-4)=(10x+65) answer please?
icang [17]

Answer:

Step-by-step explanation:

4y-4=10x+65, this can be expressed in many ways...

4y-10x-4-65=0

4y-10x-69=0 or

4y=10x+69

y=(10x+69)/4

3 0
2 years ago
10. Write an equation of your own that has no solution. Transform the equation to demonstrate that it has no solution
wolverine [178]
4(x+5)+6=2(2x+3)
4x+20+6=4x+6
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Get letters on left...so subtract 4x from right and do same to left
26=6 
no solution because 26 does not equal 6
4 0
3 years ago
Read 2 more answers
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