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3 years ago

15

Does anyone know the answer by any chance?

1 answer:

san4es73 [151]3 years ago

5 0

9 years. add 8 to 36 and 10 to 18 9 times and they’ll end up matching. hope this helps :))

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X+2y-z=5<br> -X-y+2z=-13<br> 2x+y-2z=14

faltersainse [42]

Answer:

$x+2y-z=5 ...(1)\\ -x-y+2z=-13...(2) \\ 2x+y-2z=14...(3) \\ \\ add \: (2) + (3) \\\boxed{x= 1} \\ 2 \times (1) + (2) \\ x + 3y = - 3 \\ 1 + 3y = - 3 \\ 3y = - 4 \\ \boxed{y = - \frac{4}{3} }\\ solve \: for \: z \\ x + 2y - z = 5 \\ 1-\frac{4}{3}(2)-z=5\\3-8-3z=15\\3z=-20\\\boxed{z = - \frac{20}{3} }$

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3 years ago

Help please ANYONE HELP PLEASE NEED RIFHT ANSWER

jeka94

Answer:

If I’m seeing it right I think it is 160units^3

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3 years ago

. Mrs. Bull spilled coffee on her computer during the first week of school! The total cost after tax to repair it is represented

Dima020 [189]

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4 years ago

Sigma Notation and the nth Term

ladessa [460]

Answer: F

Step-by-step explanation:

1+2+...+n = n*(n+1)/2 for all natural numbers n.

Left-hand-side = (5+1)+(5+2)+...+(5+10)=5*10+10*(10+1)/2=50+55=105

Right-hand-side = (4)+(4+1)+...+(4+9)=4*10+9*(9+1)/2=40+45=85

105≠85

The equation is false

6 0

3 years ago

Who can help on this for brainliest ?

k0ka [10]

Answer:

6

Step-by-step explanation:

$1\frac{1}{2}$ ÷ $\frac{1}{4}$ =

$\frac{3}{2} *\frac{4}{1}$ =

6

Hope this helps!

Pls give brainliest

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3 years ago

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