3 years ago

A car travels 20 feet in 1/5 second. At this same speed, how many feet will it travel in three seconds?

1 answer:

8 0

<span>if it is travelling 20 feet in 1/5 of a second that means that in 1 second (which is 5 times as much as 1/5 of a second) it will do 5 times 20 feet hence 100 feet. Then in 3 seconds it will do 300 feet</span>

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Allisa [31]

Answer:

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Step-by-step explanation:

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3 years ago

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Write a rule for the nth term of the geometric sequence if r = 1/4 and a3 = 2.

GarryVolchara [31]

Answer:

$a_{n} = 32(\frac{1}{4})^{n-1}$

Step-by-step explanation:

The nth term of a geometric sequence is given by the following equation.

$a_{n+1} = ra_{n}$

In which r is the common ratio.

This can be expanded for the nth term in the following way:

$a_{n} = a_{1}r^{n-1}$

In which $a_{1}$ is the first term.

This means that for example:

$a_{3} = a_{1}r^{3-1}$

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$a_{1} = 32$

Then

$a_{n} = 32(\frac{1}{4})^{n-1}$

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4 years ago

Use the distributive property do you to write the express 1/2 4x-6y

IceJOKER [234]

1/2(4x-6y)
You just multiply 1/4 by every term in the parenthesis
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3 years ago

Write the number described by 1 ten 16 ones

Hatshy [7]

Kind of confusing....if it was 1 ten and 6 ones it'd be 16.... So with that, the answer to this would be 26

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WITCHER [35]

Answer:

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Step-by-step explanation:

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