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Alekssandra [29.7K]
2 years ago
15

Assertion - if the mean of five observations X, X+2, X+4, X+6, X+8 is 11 then,Mean of last 3 observations is 8. Reason - Range=

Max. Value - Min. Value. (a) Both A and R are true, and R is the correct explanation for A. b) Both A and R are true, and R is not the correct explanation for A. c) A is true but R is false. d) A is false but R is true. ​
Mathematics
1 answer:
FinnZ [79.3K]2 years ago
6 0
A is false but R is true (the mean of the last 3 values is not 8 since x=7)
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Y = 3x - 12x +9<br> In standard form?
xxMikexx [17]

Answer:

y=-9x+9

Step-by-step explanation:

There are only two like terms in the equation which I have underlined.

y= <u>3x - 12x</u> +9

To simplify it, you combine the like terms and get your equation in standard form.

5 0
3 years ago
PLZ HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:(
-Dominant- [34]

Sorry for taking so long, it wont let me type a while ago. I have it all fix now hehe. I took a picture of my work, ask me if you still don’t understand.

8 0
3 years ago
Question is in the picture
MrRa [10]

Answer:

B)  12.5 ft

Step-by-step explanation:

set up a proportion of inches/feet equals inches/feet

let 'h' = height of sign

5.4/18 = 3.75/h

cross-multiply:

5.4h = 67.5

h = 12.5

5 0
2 years ago
There are 5 zombies. Each day, they each infect an additional 2. What is the equation?
Tems11 [23]
5 zombies (5z + 2 =7x I think
3 0
3 years ago
Soma de frações com uma incógnita
Licemer1 [7]
Aqui está um exemplo:
3/9-X/X = 2/9
Que é 3/9-1/2 = 9/9
Boa sorte!


6 0
3 years ago
Read 2 more answers
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