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weeeeeb [17]
3 years ago
6

What is the area of the model on the right?

Mathematics
1 answer:
mestny [16]3 years ago
3 0
I could be wrong, but I think it could be D, 18.5.
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77 7/8% into a fraction
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The answer is 623/800 and that is in simplest form.
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Please help me quick !!!
Nonamiya [84]

Answer:

subtract 0.4

Step-by-step explanation:

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Can you help with this one: Dorthy Katz, a computer programmer, earns regular hourly rate of 32.25 and time and a half when she
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a) 32.25* 40 = 1290

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3 years ago
(a) Suppose you have 9 gold coins that look identical, but you also know one (and only one) of them is counterfeit. The counterf
alisha [4.7K]

Answer:

Step-by-step explanation:

You can split the coins into 3 groups, each of them has 3 coins. Weigh group 1 vs group 2, if one is lighter, that group has the fake coin. If both groups weigh the same, then group 3 has the fake coin.

Continue to split the group that has the fake coin into 3 groups, each group has 1 coin. Now apply the same procedure and we can identify the fake coin.

Total of scale usage is 2

b) if you have 3^n coins then you can apply the same approach and find the fake coin with just n steps. By splitting up to 3 groups each step, after each step you should be able to narrow down your suspected coin by 3 times.

Step 1: you narrow down to group of \frac{3^n}{3} = 3^{n-1} coins

Step 2: you narrow down to group of \frac{3^{n-1}}{3} = 3^{n-2} coins

Step 3: you narrow down to group of \frac{3^{n-2}}{3} = 3^{n-3} coins

...

Step n: Step 1: you narrow down to group of 3^{n-n} = 3^0 = 1coin

8 0
3 years ago
SOMEONE PLZ HELP WILL MARK BRAINLIEST TY
Pani-rosa [81]
-10.22, -7.89, -5.23, +34.98, +51.02, +51.22 because the closer a number is to 0 the smaller it is.
6 0
3 years ago
Read 2 more answers
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