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Alla [95]
3 years ago
7

Divide 3 1/2 divided by 1 2/3

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

2 1/10=

Answer: 2.1

Step-by-step explanation:

Yakvenalex [24]3 years ago
3 0
2 1/10 is your answer
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Find the 12th term of the geometric sequence 5, -25, 125, ...5,−25,125,...
katovenus [111]

Answer:

  • a_{12}=-244140625

Step-by-step explanation:

Considering the geometric sequence

5,-25,\:125,\:...

a_1=5

As the common ratio 'r' between consecutive terms is constant.

\mathrm{Compute\:the\:ratios\:of\:all\:the\:adjacent\:terms}:\quad \:r=\frac{a_{n+1}}{a_n}

r=\frac{-25}{5}=-5

r=\frac{125}{-25}=-5

The general term of a geometric sequence is given by the formula:  

a_n=a_1\cdot \:r^{n-1}

where a_1 is the initial term and r the common ratio.

Putting n = 12 , r = -5 and a_1=5 in the general term of a geometric sequence to determine the 12th term of the sequence.

a_n=a_1\cdot \:r^{n-1}

a_n=5\left(-5\right)^{n-1}

a_{12}=5\left(-5\right)^{12-1}

      =5\left(-5^{11}\right)

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a

       =-5\cdot \:5^{11}

\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}

        =-5^{1+11}     ∵ 5\cdot \:5^{11}=\:5^{1+11}

        =-244140625

Therefore,

  • a_{12}=-244140625
6 0
3 years ago
A number cube has sides labeled 1 to 6. Gia rolls the number cube. What is the probability that she rolls a 4?
Jlenok [28]
It would b C because there are 6 sides and out of the 6, you want one number, which is 4, so that’s why it would be C
3 0
3 years ago
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Drag and drop the fractions to order them from least to greatest. 2/3 -4/5 1/4 -3/7
blagie [28]

Step-by-step explanation:

I hope this helps out bye.

6 0
2 years ago
Which of the following terms means “a period of one thousand years”?
juin [17]
A millennium is a period of one thousand years
6 0
3 years ago
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Pls help me with my homework​
katovenus [111]
9^-2 = 1/81 or 0.0123
When there is a negative in front of the exponent it makes a fraction. It is usually just 1/the number it equals if it were positive.
4 0
2 years ago
Read 2 more answers
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