(0,9) is an example of

A company buys pens at the rate of $5.50 per box for the first 10 boxes, $4.50 per box for the next 10 boxes, and $3.50 per box

marusya05 [52]

So it is really easy to solve firstly we can see how much does the first 10 boxes make which makes around 55$ obviously. Secondly 45$ for the next 10 boxes.

So for now we can simply calculate that we have spent around 100$ which means 20 boxes. The remaining money left is 77$ so we can buy 77/3.5 = 22 only 22 boxes with that money. Hence a total of 42 boxes.

4 0

4 years ago

Click here to see a proof of the converse of the parallelogram angle theorem. as you read through the proof, look for how to com

Gwar [14]

Steps 4 and 5 are being used to get the equation in step 6.

Steps 5 and 7 are being used to get the equation in step 8.

Steps 8 and 6 are being used to get the equation in step 9.

In step 14, "similar argument" means to draw segment BD and follow the same logic in steps 3-12.

7 0

3 years ago

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Which of the following statements best describes the graph of −5x + 2y = 1?

Nina [5.8K]

First, we determine that the given equation in this item is a linear equation. Thus, it should be a straight line. With this, we are left with the third and fourth choice. Then, we substitute the given data points to the equation and see if the points satisfy the given.

Choice 3:

Choice 4:

<span> (4,-3) : (-5)(4) + (2)(-3) ≠ 1 FALSE</span>

<span> (-1,2) : (-5)(-1) + (2)(2) ≠ 1 FALSE</span>

<span> (-4,5) : (-5)(-4) + (2)(5) ≠ 1 FALSE</span>

<span>Thus, the answer is the third choice.</span>

5 0

3 years ago

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What lengths of two sides of a triangle are seven and 11. Which could not be the length of the third side?

Finger [1]

You’re answer it would be D.5 because it is the smaller than the other sides