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3 years ago

Can't 3/12 be refuse

Mathematics

2 answers:

o-na [289]3 years ago

8 0

Yeah! It can be reduced

3/12
3/12 ÷ 3/3
3÷3/12÷3
1/4

That's the reduced form!

Luden [163]3 years ago

5 0

It can be reduced since
3/3=1
12/3=4
3/12=1/4

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Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15.

Naya [18.7K]

It's a geometric sequence.

$4,-12,36,... \\ \\
a_1=4 \\
r=\frac{a_2}{a_1}=\frac{-12}{4}=-3 \\ \\
a_n=a_1 \times r^{n-1} \\
a_n=4 \times (-3)^{n-1} \\
a_n=4 \times (-3)^{-1} \times (-3)^n \\
a_n=4 \times (-\frac{1}{3}) \times (-3)^n \\
a_n=-\frac{4}{3}(-3)^n$

It's the sum for term 4 through term 15.

$\boxed{ \sum\limits_{n=4}^{15} (\frac{4}{3}(-3)^n)}$

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3 years ago

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nata0808 [166]

Step-by-step explanation:

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2 miles=10560 feet

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Answer:

3.5 miles= x

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3 years ago

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Step-by-step explanation:

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4 years ago

If DF = 9x -39 find EF

Klio2033 [76]

|DF| = |DE| + |EF|

|DF| = 9x -36

|DE| = 47

|EF| = 3x+10

Substitute:

9x - 39 = 47 + 3x + 10

9x - 39 = 3x + 57 |+39

9x = 3x + 96 |-3x

6x = 96 |:6

x = 16

Put the value of x to the equation |EF| = 3x + 10

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4 years ago

Read 2 more answers

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valkas [14]

Answer:

Step-by-step explanation:

3x+6+5x+10=64

3x+5x+6+10=64

8x+16=64

8x=64-16

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divide both sides by 8

x=6

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3 years ago