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Dmitriy789 [7]
3 years ago
5

Matrices and Row Operations

Mathematics
1 answer:
ELEN [110]3 years ago
4 0

Answer:

2, 1, -1

Step-by-step explanation:

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HELPP!!! PLEASE MATH!!!!!!!
Morgarella [4.7K]
Don’t mind the typed stuff at all. There’s your answer. g(x) =-5 you just plug in your given value to x

6 0
3 years ago
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Add the negatives.<br><br><br><br> +4 - 3 - 4 + 2 - 1<br><br> I just dont get it
vfiekz [6]

Answer: -2

Step-by-step explanation:

since there are no multiplication you can simply go from left to right doing simple math. You start from a +4 that would be a positive 4, you subtract -3 so you get +1 then you subtract -4 and the result is -3 (negative 3) so now you are currently working with numbers lower than 0, adding +2 will make it -1 and finally you subtract for -1 and that will make it -2. Hope it's what u needed

4 0
3 years ago
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A dinner check is to be split among 3 people. Greg’s portion of the check is twice Kelly’s. Joe’s portion is $1.50 less than 4 t
defon

Answer:

Kelly owes $16.5

Greg owes $33

Joe owes $64.5

Step-by-step explanation:

Let

Kelly's portion = x

Greg's portion = 2x

Joe's portion = 4x - 1.50

Total bill = $114.00

Total bill = Kelly's portion + Greg's portion + Joe's portion

114 = x + 2x + (4x - 1.50)

114 = 3x + 4x - 1.50

114 = 7x - 1.50

Add 1.50 to both sides

114 + 1.50 = 7x - 1.50 + 1.50

115.5 = 7x

Divide both sides by 7

x = 115.5 / 7

= 16.5

x = $16.5

Kelly's portion = x

x = $16.5

Greg's portion = 2x

= 2 × 16.5

= $33

Joe's portion = 4x - 1.50

= 4(16.5) - 1.50

= 66 - 1.50

= $64.5

Therefore,

Kelly owes $16.5

Greg owes $33

Joe owes $64.5

7 0
3 years ago
How do you do 81x^2=49
NISA [10]
81x^2=49\ \ \ \ /:81\\\\x^2=\frac{49}{81}\\\\x=\pm\sqrt\frac{49}{81}\\\\x=-\frac{7}{9}\ \vee\ x=\frac{7}{9}
4 0
4 years ago
39.4x1.7 the ansewer
cricket20 [7]

Answer:

66.98

Step-by-step explanation:

4 0
3 years ago
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