3 years ago

What is the answer to 2/5x+3/7=1-4/7x

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

7 0

X=10/17 thats ur answer

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In the number 668 the 6 in the hundreds place is _ the value of the 6 in the tens place

mihalych1998 [28]

6 in the hundreds place = 600
6 in the tens place =60

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3 years ago

A normal body temperature for a human is approximately 98° Fahrenheit. What is this temperature in degrees Celsius? Round your a

Alinara [238K]

Answer:

36.7

Step-by-step explanation:

its right :)

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2 years ago

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PRECALCULUS please help

sergejj [24]

Answer:

Step-by-step explanation:

$f(x) = \frac{2x + 6}{3x} \\ \\ g(x) = \frac{ \sqrt{x} - 8}{3x}$

To find ( f - g)(x) , subtract g(x) from f(x)

That's

$( f - g)(x) = \frac{2x + 6}{3x} - \frac{ \sqrt{x} - 8}{3x}$

Since they have a common denominator that's 3x we can subtract them directly

That's

$\frac{2x + 6}{3x} - \frac{ \sqrt{x} - 8}{3x} = \frac{2x + 6 - ( \sqrt{x} - 8) }{3x} \\ = \frac{2x + 6 - \sqrt{x} + 8 }{3x} \\ = \frac{2x - \sqrt{x} + 6 + 8 }{3x}$

We have the final answer as

Hope this helps you

6 0

3 years ago

The quadratic function f (x) = - 45x2 + 350x + 1,590 models the population of a city where x represents the number of years sinc

kramer

Answer: 2,215,000

Step-by-step explanation:

Given: The quadratic function $f (x) = - 45x^2 + 350x + 1,590$ models the population of a city where x represents the number of years since 2005.

To Find: population of the city in 2010

We need to put x= 2010-2005 = 5

$f (5) = - 45(5)^2 + 350(5) + 1,590\\\\=-1125+1750+1590 =2215$

Hence, the estimated population of the city in 201 = 2215 thousands or 2,215,000 .

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2 years ago

John is renting a car.The car cost 36 dollars each day plus $0.50 per mile over 100 miles.John rents the car for 5 days and driv

Deffense [45]

Answer:

36*5+80 =260

Step-by-step explanation:

hope this helps

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2 years ago