3 years ago

The following data shows the weight, in pounds, of 6 bags:

Mathematics

1 answer:

77julia77 [94]3 years ago

8 0

Answer:

1.3 pounds; on average, weight of a bag varies 1.3 pounds from the mean of 7 pounds

Step-by-step explanation:

the mean absolute deviation is 1.3 and the mean is 7. i just took this test today, hoped this helped:)

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loris [4]

Answer:

9) 5y

10) 10 x² - 4

11) 2a ∧5 + 5b

12) 8m +4n + 2

Step-by-step explanation:

9) 8 y - 3 y = 5y

10) 6x² + 4 (x²-1) = 6x²+ 4x²-4 = 10x²-4

11) 4a∧5 - 2a∧5 +4b + b = 2a∧5 +5b

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3 years ago

What is the solution to the system of equations?

elixir [45]

Answer:

No solution

Step-by-step explanation:

$-3x-4y-3z=-7\\2x-6y+2z=3\\5x-2y+5z=9\\\\$

Lets consider the equation 2.

Here we multiply the LHS and RHS with (-1).

$-3x-4y-3z=-7\\-(2x-6y+2z)=-3\\5x-2y+5z=9\\\\$

Hence,

$-3x-4y-3z=-7\\-2x+6y-2z=-3\\5x-2y+5z=9\\\\$

When we add the equations we get,

$0x+0y+0z=-10+9\\Hence,\\0=-1$

As 0 doesn't equal to -1, answer is d) No solution

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3 years ago

The SAT offers ____ subject tests in five areas. A.20 B.10 C.15 D.5

kirill [66]

A.20 is the right answer

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3 years ago

Read 2 more answers

C=-3. a=2 b=4 (2) 2(3c+7)

Paha777 [63]

I think the answer is -18 + 14

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3 years ago

59 + (h-11) I need it ASAP pls help

Black_prince [1.1K]

Answer:

=h+48

Step-by-step explanation:

59+h−11

=59+h+−11

Combine Like Terms:

=59+h+−11

=(h)+(59+−11)

Answer

=h+48

Hope I was helpful!!

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3 years ago