3 years ago

Write a real life scenario that can be represented by the integer ''- 55.''

Mathematics

1 answer:

Semenov [28]3 years ago

3 0

You have $15 because -21 + 36 is 15

i just answered the question :)

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What is (2+y)³ written out?

Aleksandr-060686 [28]

${ \left( 2+y \right) }^{ 3 }\\ \\ =\left( 2+y \right) \left( 2+y \right) \left( 2+y \right) \\ \\ =\left( 2+y \right) \left( 4+4y+{ y }^{ 2 } \right)$

$\\ \\ =2\left( 4+4y+{ y }^{ 2 } \right) +y\left( 4+4y+{ y }^{ 2 } \right) \\ \\ =8+8y+2{ y }^{ 2 }+4y+4{ y }^{ 2 }+{ y }^{ 3 }\\ \\ ={ y }^{ 3 }+6{ y }^{ 2 }+12y+8$

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3 years ago

Are these two expressions equal?

Orlov [11]

Answer:

not equal no property shown

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3 years ago

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N to the second power - 5 in - 1 in equals 6

Wittaler [7]

Answer:

the question is incorrect.

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3 years ago

Val has 6 yards of fabric she uses 1/3 if it to make a shirt then she uses 3/8 of the fabric that is left to make a shirt for he

Evgen [1.6K]

1/3 of 6=2(4 left)
3/8 of 4=1 1/2
1 1/2 yards left

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3 years ago

A moving walkway at an airport moves at a piece of 1.75 ft./s. if you stand on the walkway as it moves how long will it take to

Helga [31]

It says that a piece of one 1.75 ft./s. means 1.75x, and when it says, "how long will it take to transfer you to 280ft," its telling you to plug in 280 to 1.75 which is multiplying 1.75(280),

which the answer is: 490 seconds

Hope it helped :)

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3 years ago