3 years ago

Guys, I need your help! Please solve the question (with showing the equation if possible)

Mathematics

1 answer:

Akimi4 [234]3 years ago

5 0

It’s 120 because 10 times 3 times 4 = 120

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Find the 15th term of the geometric sequence 180, 90, 45,...

denis23 [38]

Answer:

$\frac{45}{4096}$

Step-by-step explanation:

1) q=90/180=45/90=...=1/2;

2) the formula of the n-th term of the given sequence is:

$a_n=a_1*q^{n-1};$

3) according to the formula 15th term is:

$a_{15}=a_1*q^{15-1}=180*\frac{1}{2} ^{14}=\frac{180}{16384} =\frac{45}{4096}$

or ≈0.011.

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3 years ago

Four pairs of shoes cost $80 what is the cost of seven pairs of shoes

anzhelika [568]

80 divided by 4 is 20

$20 times 7 shoes is

$140

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Eddi Din [679]

Answer:

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Step-by-step explanation:

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3 years ago

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Alex787 [66]

Answer:

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25+1.75=26.75

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goldenfox [79]

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