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velikii [3]
3 years ago
7

Please show your work!!

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:OK ILL HELP

Step-by-step explanation:Combine  

1

2

and  

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y

=

x

2

−

3

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(a) Suppose you have 9 gold coins that look identical, but you also know one (and only one) of them is counterfeit. The counterf
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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

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3 years ago
Mrs. Conley asks her class what kind of party they want to have to celebrate their excellent behavior out of all students in the
Vaselesa [24]
20% = 1/5, so 5*5 = 25 students
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Or<br> Simplify. Express your answer as a single term using exponents.<br> 303*9x303*9
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{303}^{9}   \times  {303}^{9}  \\  =  {303}^{9 + 9}  \\  =  {303}^{18}

<u>Answer</u><u>:</u>

<u>{303}^{18}</u>

<u>Hope </u><u>you</u><u> could</u><u> get</u><u> an</u><u> idea</u><u> from</u><u> here</u><u>.</u>

<u>Doubt</u><u> clarification</u><u> </u><u>-</u><u> </u><u>use </u><u>comment</u><u> section</u><u>.</u>

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2 years ago
What is the measure of EFC
Elanso [62]

Answer:

The Expected Family Contribution (EFC) is a measure of your family's financial strength and is calculated according to a formula established by law. Your family's taxed and untaxed income, assets, and benefits (such as unemployment or Social Security) are all considered in the formula.

Step-by-step explanation:

i hope this helped!!

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3 years ago
Find the volume of the square pyramid and round to the
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The answer is to multiply
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