2 years ago

What is the difference between fractions as parts and fractions as quantity

1 answer:

7 0

The difference is one has bigger fractions and the other one has different quantities which can be divided by pie = 3.4 squared into a rectangle which equals a+b=c squared

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Will mark branliest..<br> the area of the figure is __ cm

Stella [2.4K]

Answer:

192 cm

Step-by-step explanation:

3.5+4.5=8

8*24=192

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3 years ago

If the magnitude of vector u is ||u||=7.81 and its angle of direction is 129.81°, which graph represents vector -u?

Triss [41]

Answer:

see attached

Step-by-step explanation:

The vector -u will be in the opposite direction of u. The magnitude is 7.81, but the angle is 129.81° -180° = -50.19°. A graph of it is attached.

_____

The (x, y) components are ...

7.81(cos(-50.19°), sin(-50.19°)) ≈ (-5.00, -6.00)

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2 years ago

After factoring out the effect of other variables known to affect SAT, such as socioeconomic status, researchers found that musi

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Answer:

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Step-by-step explanation:

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3 years ago

Which system is equivalent to StartLayout Enlarged left-brace 1st Row 3 x squared minus 4 y squared = 25 2nd row negative 6 x sq

lidiya [134]

Answer:

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Step-by-step explanation:

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3 years ago

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.

Molodets [167]

$f(x)= \frac{x-9}{x+5}$
$g(x)= \frac{-5x-9}{x-1}$
$f(g(x))= \frac{ \frac{-5x-9}{x-1} -9}{ \frac{-5x-9}{x-1}+5 }$
$f(g(x))= \frac{-5x-9-9(x-1)}{-5x-9+5(x-1)}$
$f(g(x))= \frac{-5x-9-9x+9}{-5x-9+5x-5}$
$f(g(x))= \frac{-14x}{-14}=x$
$g(f(x))= \frac{-5 \frac{x-9}{x+5}-9 }{ \frac{x-9}{x+5}-1 }$
$g(f(x))= \frac{-5x+45-9(x+5)}{x-9-1(x+5)}$
$g(f(x))= \frac{-5x+45-9x-45}{x-9-x-5}$
$g(f(x))= \frac{-14x}{-14}=x$

6 0

3 years ago