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2 years ago

5

which of the following is the algebraic expression that best describes the sequence 3, 9, 27, 81, 243,...?

1 answer:

Anton [14]2 years ago

3 0

${3}^{n}$

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Edi plays 1/4 of a song in 1/8 of a minute how many minutes will he need to play a full song

Neporo4naja [7]

Answer:

Let's see what to do buddy...

Step-by-step explanation:

$first \: \: \: \frac{1}{4} \: \: \:of \:a \: song \: needs \: \frac{1}{8} \: \: minute. \\ \\ second \: \: \: \frac{1}{4} \: \: of \: a \: song \: needs \: \frac{1}{8} \: minute \: too. \\ \\ also \: the \: third \: and \: fourth \: \: \: \frac{1}{4} \: \: \: of \: a \: song \: need \: \frac{1}{8} \: minute \: . \\ \\ so \: we \: have \: completly \: have \: 4 \times \frac{1}{8} \\ \\ which \: means \: edi \: needs \: 4 \times \frac{1}{8} = \frac{4}{8} = \frac{1}{2} \: minute \: to \: play \: all \: the \: song.$

And we're done.

Thanks for watching buddy good luck.

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3 0

3 years ago

Two lines meet at a point that is also a vertex of an angle; the measurement of ∠AOF is 134°.

Stells [14]

Answer:

x and y are the same. they are both 99

Step-by-step explanation:

8 0

2 years ago

What is the image of the point (-7,4) after a rotation of 180 counterclockwise about the origin?

777dan777 [17]

Answer:

(-7,-4)

Step-by-step explanation:

hope this helps bro

7 0

2 years ago

12. An equation is shown. 8 1/2 - 3 1/? = 5 3/12<br>What is the value of the missing number?

weeeeeb [17]

Answer:

Step-by-step explanation:

Alright, lets get started.

$8\frac{1}{2}-3\frac{1}{?}=5\frac{3}{12}$

These are mixed number given.

Suppose the complete mixed number of second place is x.

Converting mixed numbers into fractions.

$\frac{17}{2}-x=\frac{63}{12}$

Adding x in both sides

$\frac{17}{2}=x+\frac{63}{12}$

$x=\frac{17}{2}-\frac{63}{12}$

Making common denominator

$x=\frac{102}{12}-\frac{63}{12}$

$x=\frac{39}{12}$

$x=\frac{13}{4}$

In mixed number form:

$x=3\frac{1}{4}$

So comparing with given equation, the '?' sign will be equal to 4.

Hence the answer is 4 : Answer

Hope it will help :)

4 0

3 years ago

Peter bought 2 1/2 pounds of hamburger meat.He is planning to make 1/4 pound hamburgers.How many 1/4 pound hamburgers can he mak

dexar [7]

Answer:

10

Step-by-step explanation:

divide the numbers for a anser

3 0

3 years ago