4 years ago

Given 5x - y = 16, solve for y

Mathematics

2 answers:

Olenka [21]4 years ago

6 0

Im bad at this but is it 11xy ? chile anyways

Sphinxa [80]4 years ago

6 0

I don’t know if this is helpful but i tried , sorry

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Christine runs 6 miles in 50 minutes. At the same rate, how many miles would she run in 35 minutes?

goldenfox [79]

6/50 = X/35 =

50x/210

210/50 =4.2

she can run 4.2 miles in 35 minutes

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3 years ago

Help help needed for composition of function

dimulka [17.4K]

Answer:

$\circledast \ \ f\circ f\left( x\right) = x$

$\circledast \ \ g\circ g\left( x\right) =4x - 21$

Step-by-step explanation:

$f(x)=\frac{5}{2x}$

g(x) = 2x - 7

==============

$f\circ f\left( x\right) =\frac{5}{2\left( f\left( x\right) \right) }$

$=\frac{5}{2\left( \frac{5}{2x} \right) }$

$=\frac{5}{\left( \frac{5}{x} \right) }$

$=5\times\frac{x}{5}$

$=x$

_____________

$g\circ g\left( x\right) =2(g(x)) - 7$

= 2(2x - 7) - 7

= 4x - 14 - 7

= 4x - 23

3 0

2 years ago

Order these in ascending order plz..<br> -5/7, -6/7,-.321,-.883,-4/7

jok3333 [9.3K]

-883, -321, -6/7, -5/7, -4/7

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4 years ago

Solve 1/f=1/a+1/b for f

Alika [10]

Answer:

f=ab/a+b

Step-by-step explanation:

Let's solve for f.

1/f=1/a+1/b

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3 years ago

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sergiy2304 [10]

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Step-by-step explanation:

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