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2 years ago

An elevator travels 310 feet in 10 seconds at that speed how far can this elevator travel

Mathematics

1 answer:

frez [133]2 years ago

6 0

Answer:

1,860 per minute and 111,600 per hour

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Operations definition please

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The action of being active

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2 years ago

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Aaron has 16 blue pens and 12 red pens.

Maslowich

Answer:

Step-by-step explanation:

16÷4=4 12÷3=4 meaning is.the lowest common multiple

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2 years ago

Leticia charges $8 per hour to babysit. She babysat Friday night for 4 hours,

Dmitriy789 [7]

For this case we have that the variable "x" represents the number of hours that Leticia uses to take care of children on Saturday.

IF on Friday I use 4 hours ($ 8 each) and on Saturday "x" hours ($ 8 each) obtaining a profit of $ 72, we have the following equation:

$8 (4 + x) = 72$

We apply distributive property:

$32 + 8x = 72\\8x = 72-32\\8x = 40\\x = \frac {40} {8}\\x = 5$

So, on Saturday she spent 5 hours.

Answer:

$8 (4 + x) = 72\\x = 5$

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2 years ago

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20=2w what is w then?

KonstantinChe [14]

Answer:10

Step-by-step explanation:

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2 years ago

Professor shepherd weighed two pieces of metal for an experiment. the piece of iron weighed 7/12 of a pound and the piece of alu

Ira Lisetskai [31]

Answer:

The iron weighed 1/12 pound more than the aluminum.

Step-by-step explanation:

The weight of the aluminum is given as 1/2 pound. But that can also be written as 6/12 pound.

This is a subtraction problem (subtracting fractions...so also a common denominator problem)

In order to subtract fractions you have to get a common denominator.

7/12 - 1/2

= 7/12 - 6/12

= 1/12

The iron is 1/12 pound heavier than the aluminum.

6 0

1 year ago