3 years ago

Last one I need help

Mathematics

1 answer:

GREYUIT [131]3 years ago

8 0

Answer:

336 cubic mm

Step-by-step explanation:

V= l x w x h

V= 9.6 x 5 x 7

V= 336 cubic mm

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Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)?

I am Lyosha [343]

Simplify step-by-step
$5 {x}^{7} + 7 {x}^{8} - (4 {x}^{4} - 2 {x}^{8} )$
ANSWER
$9 {x}^{8} + 5 {x}^{7} - 4 {x}^{4}$

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3 years ago

The function f(x) = 5One-fifth is reflected over the y-axis. Which equations represent the reflected function? Select two option

postnew [5]

Answer:

The equations that represent the reflected function are

$f(x)=5(\frac{1}{5})^{-x}$

$f(x)=5(5)^{x}$

Step-by-step explanation:

The correct question in the attached figure

we have the function

$f(x)=5(\frac{1}{5})^{x}$

we know that

A reflection across the y-axis interchanges positive x-values with negative x-values, swapping x and −x.

therefore

$f(−x) = f(x).$

The reflection of the given function across the y-axis will be equal to

(Remember interchanges positive x-values with negative x-values)

$f(x)=5(\frac{1}{5})^{-x}$

An equivalent form will be

$f(x)=5(\frac{1}{5})^{(-1)(x)}=5[(\frac{1}{5})^{-1})]^{x}=5(5)^{x}$

therefore

The equations that represent the reflected function are

$f(x)=5(\frac{1}{5})^{-x}$

$f(x)=5(5)^{x}$

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padilas [110]

Answer:

Step-by-step explanation:

5) x + 5.4 < -1.6

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x > -10

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Step-by-step explanation:

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Answer:

$0.30

Step-by-step explanation:

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