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melomori [17]
3 years ago
9

A rectangular shape perimeter of 72 metre if the length of diagonal is 18 what is the area of the plot​

Mathematics
1 answer:
olganol [36]3 years ago
7 0

Step-by-step explanation:

the answer is 18 I think

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3 out of every 5 picks are orange if 12 picks are orange how many picks are there in all
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20 because 12 divided by 3 is 4. then you multiply 5 by 4. and you get 20.
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12,00 equals how many hundreds?
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The shape on the left is transformed on the right.Which of the statements describes the transformation.​
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2 years ago
What is the sum of the geometric series 2^0 + 2^1 + 2^2 + 2^3 + 2^3 + 2^4 + … + 2^9?
mars1129 [50]
The nth term is
an=a1(r)^(n-1)
an=1(2)^(n-1)
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we want to find S_{10} (since we minus 1, the highest exponet is 9 so add 1 to make it correct)

S_{10}=\frac{1(1-2^{10})}{1-2}
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S_{10}=\frac{(-1023}{-1}
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3 0
3 years ago
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A scientist measures a substance to be 0.8 grams. Calculate the percent of error in the measurement. Show all work for full cred
Volgvan
You'll need to give a bit more information for the question to be answered. You can only calculate the percentage of error if you know what the mass of the substance *should be* and what you've *measured* it to be.

In other words, if a substance has a mass of 0.55 grams and you measure it to be 0.80 grams, then the percent of error would be:

percent of error = { | measured value - actual value | / actual value } x 100%

So, in this case:

percent of error = { | 0.80 - 0.55 | / 0.55 } x 100%
percent of error = { | 0.25 | / 0.55 } x 100%
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percent of error = 45.45%

So, in order to calculate the percent of error, you'll need to know what these two measurements are. Once you know these, plug them into the formula above and you should be all set!
6 0
3 years ago
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