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ella [17]
2 years ago
9

I seriously need help

Mathematics
1 answer:
andrew-mc [135]2 years ago
3 0

Answer:

oh is this a test?.....

Step-by-step explanation:

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an item is regularly priced $70. it is now priced at a discount of 20% off the regular price. what is the price now?
AVprozaik [17]
The price now is (80/100)x70 = (5600/100) = $56;
8 0
3 years ago
I need help on #9. The help would be grateful appreciated.
ELEN [110]
Original Figure:
Length = 15
Width = 5
Height = 10
Volume = Length*Width*Height
Volume = 15*5*10
Volume = 750

New Figure
Length = 3
Width = 1
Height = 2
Each dimension has been divided by 5 (eg: 15/5 = 3)
Volume = Length*Width*Height
Volume = 3*1*2
Volume = 6

The old volume was 750 and it changes to 6
Notice how 750/6 = 125
Which can be rearranged to 750/125 = 6

Answer: if you divide the old volume by 125, then you get the new volume

Note: the new volume is 125 times smaller than the old volume
Put another way, the old volume is 125 times larger compared to the new volume

The fact that 125 = 5^3 is not a coincidence. If you divide each dimension by some number k, then you divide the volume by k^3

8 0
3 years ago
Please help me answer this question(#4)
igomit [66]

Answer:

It is 18 because if you look at the side the small one says 3 the big one says 6 so if you multiply the 9 square feet by 2 thats your answer

7 0
3 years ago
Read 2 more answers
A construction company buys a certain number of boxes of nails depending on how many houses they plan to build in a year. They h
rusak2 [61]

Answer:

Step-by-step explanation:

43

I dont exactly know if this is correct sorry if its wrong

7 0
1 year ago
Would a yardstick be a reasonable tool to use to measure the length of a canoe paddle
dlinn [17]
That answer would be no
3 0
3 years ago
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