Answer:
She is right, it won´t always work.
Step-by-step explanation:
Hi, in the examples this tactic works because the first numbers, when multiplied, don´t equal 10 (7x6=42 and 8x7=56). If you multiply both numbers and give you 10, you will have to add another zero to the final number and the trick would crash.
Example:
200 x 500 = 100,000
(2 Zeros) (2 zeros) (5 zeros)
Best of luck.
Answer:
65
Step-by-step explanation:
A=(D1XD2)/2
10(13)=130
130/2=65
We first determine the cost of one pair, that is:

So, each pair of shoes cost $63.Now, we determine the value of the commission:

So, the commission for each pair of shoes is $10.71, now we multiply this by 3 times. That is:

So, the commission for the three pairs of shoes will give him $32.13.
Hello! To do this, first find the volumes of the tanks (how much water they can hold), then how much water is in tank P, and finally, how full tank Q would be.
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To find the volume of a rectangular prism, you multiply the length, width, and height.
Tank P: 15 * 12 * 8 = 1440 cm³
Tank Q: 10 * 20 * 6 = 1200 cm³
Now, we know that tank P is half full. Therefore, the volume of the water must be half that of the whole volume of tank P. We know the volume of Tank P is 1440 cm³, so just divide by 2.
1440/2 = 720 cm³
Therefore, there is 720 cm³ amount of water in Tank P. Finally, find how much of Tank Q this amount of water would occupy.
Set up a fraction to do this:
720 / 1200 = 0.6 = 3/5
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Therefore, 3/5 of Tank Q is filled.
Hope this helps!
Answer:
<em><u>he is rich</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>