8 5x=-2 whats the value of the variable?

1 answer:

8 0

In order to get the value of x you have to set x by itself subtract from both sides because the only way to get rid of a positve its with a negative now you have 5x=6, now divide 5 from both sides because the only way to get rid of a multiplication is with a division, this will give you the final answer of x=6/5

Hope this helps

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Cannonballs are stacked In a pyramid shape with a base of 5 cannonballs on a side. How many cannonballs in all are in the stack

Vadim26 [7]

Answer:

The total number of balls in the pyramid will be 55.

Step-by-step explanation:

Cannonballs are stacked In a pyramid shape with a base of 5 cannonballs on a side.

Therefore, at the base, the number of balls is 5².

In the layer above the base layer, there are 4 balls on each side.

So, in the layer above the base layer, the number of balls is 4².

Similarly, in the next levels, the number of balls will be 3², 2² and 1.

Therefore, the total number of balls in the pyramid will be (5² + 4² + 3² + 2² + 1) = 55. (Answer)