2 years ago

What is StartFraction 5 Over 8 EndFraction divided by One-fourth?

Mathematics

2 answers:

RideAnS [48]2 years ago

8 0

Answer:

1/3

Step-by-step explanation:

Bogdan [553]2 years ago

5 0

Answer:

2 1/2

Step-by-step explanation:

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In a flight of 600 km, the speed of the aircraft was slowed down due to bad weather. The average speed of the trip was decreased

UkoKoshka [18]

The average speed would be 600 km/hr.

Step-by-step explanation:

Let the original speed be 'x'

Let the decreased speed be 'x-200'

Distance = 600 km

Time increased by 30 minutes

According to question, it becomes,

$\dfrac{600}{x-200}-\dfrac{600}{x}=\dfrac{30}{60}\\\\\dfrac{x-(x-200)}{x^2-200x}=\dfrac{1}{2\times 600}\\\\\dfrac{200}{x^2-200x}=\dfrac{1}{1200}\\\\240000=x^2-200x\\\\x^2-200x-240000=0\\\\x=600,-400$

So, The average speed would be 600 km/hr.

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3 years ago

The functions s and t are defined as follows.

soldi70 [24.7K]

-77
You first solve for s(x) by plugging in 5 as the variable
-3*5-4=-19
You then plug the -19 into t(x) and 4*-19-1= -77

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2 years ago

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Tisha is training for a marathon. In February, she ran LIX miles for her training. In January, she was only able to run XV miles

kogti [31]

Answer:

Step-by-step explanation:

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3 years ago

Aroha is 3 years older than her brother. The sum of Aroha's age and her brother's age is 31. Write and solve and equation to fin

Goryan [66]

Answer:

x+y=31

Step-by-step explanation:

I'd say that would be the equation bc it doesn't really give ages. Although I could be wrong so sorry if I am

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2 years ago

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Select the expression equivalent to (-2x+8.1y)-(-9x+5.3y)

Volgvan

Answer:

Step-by-step explanation:

-2x+8.1y

+9x-5.3y

________

get the answer 7x+2.8y

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3 years ago