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3 years ago

What is -7/8- (-5/6) in simplest form

Mathematics

1 answer:

Gennadij [26K]3 years ago

7 0

Answer:

-1 /24

Step-by-step explanation:

-7/8 - (-5/6)

Subtracting a negative is like adding

-7/8 + 5/6

Get a common denominator

-7/8 * 6/6 + 5/6 *8/8

-42/48 + 40/46

-2/48

-1/24

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Which statement correctly describes the expression (15)(-8)?

IrinaK [193]

Answer:

Step-by-step explanation:

NEGATIVE TIMES POSITIVE WILL GIVE A NEGATIVE PRODUCT

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3 years ago

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Where did you get 0.2

ludmilkaskok [199]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

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amm1812

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3 years ago

George the Pigeon travels the same distance of 72 miles

NNADVOKAT [17]

Answer:

The speed of George the Pigeon in still air = 21 miles/hr

The speed of air = 3 miles/hr

Step-by-step explanation:

Let the speed of George the Pigeon in still air = $u$ miles/hr

Let the speed of air = $v$ miles/hr

Distance traveled = 72 miles

Relative speed against the wind = $(u-v)$ miles/hr

Time taken against the wind = 4 hours

Relative speed with the wind = $(u+v)$ miles/hr

Time taken against the wind = 3 hours

Using the formula:

$Speed = \dfrac{Distance}{Time}$

$u-v=\dfrac{72}{4}\\\Rightarrow u-v=18 ..... (1)$

$u+v=\dfrac{72}{3}\\\Rightarrow u+v=24 ..... (2)$

Adding (1) and (2):

$2u=42\\\Rightarrow u = 21\ miles/hr$

By equation (1):

$v = 21-18\\\Rightarrow v = 3\ miles/hr$

Therefore, the answer is:

The speed of George the Pigeon in still air = 21 miles/hr

The speed of air = 3 miles/hr

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3 years ago