Graph: X^2+20-y^2-9x-4y+21-8x+6y-2=3-4y-5x-2y^2

Mathematics

1 answer:

Snezhnost [94]2 years ago

8 0

Answer:

Step-by-step explanation:

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Please help me with the 3rd question!!! I'll give you 91 points now, please.

saw5 [17]

Answer:

At the end of the day 797 lockers were closed.

Step-by-step explanation:

So first of all you need to find out how many even numbers there are from 1-900 (which is 450) so you know that 450 are open. In the 3 multiplication tables every second number is even so you know that half of the 450 lockers that was opened was closed again: this meant that 225 lockers remained open.

You also know that every number in the 4 multiplication tables is the second number in the 2 multiplication tables so half of them are closed but you also know that the 900th locker was opened so now you have 113.

So to conclude you do 900-113 which gives you 797 (this is because 113 is the amount of lockers that is open)

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3 years ago

If I add 9 to my number, I get 6. What is my number?

OverLord2011 [107]

negative 3...............................

3 0

3 years ago

The figure below shows three uniform objects: a rod with m1 = 7.00 kg, a right triangle with m2 = 3.70 kg, and a square with m3

navik [9.2K]

The answer is

G = [m1(veca1a2) + m2 (veca3a4) + m3veca5a6)] / (m1 + m2 + m3)

G= m1x5 + m2 x 4sqrt (2) + m3x 3sqrt (2) / 16 = 35 +4 x 3.7x sqrt (2) + 5.3 x3 4sqrt (2) / 16 =35 + 36<span> sqrt (2) / 16
G = 53.09
LOOK AT THE IMAGE

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