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3 years ago

2.5 miles into _______inches

1 answer:

7 0

One mile is equal to 63,360 inches.
This means that you would have to multiply 63,360 by 2.5 which will give you... 158,400inches
Hope this helped:)

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Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.

Lina20 [59]

Answer:

Step-by-step explanation:

Given:

$f(x) = 4x^2 - 3$

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

$f(3) = 4(3)^2 - 3$

$f(3) = 4(9) - 3$

$f(3) = 36 - 3$

$f(3) = 33$

To find f(9), replace x with 9 in the given function

$f(9) = 4(9)^2 - 3$

$f(9) = 4(81) - 3$

$f(9) = 324 - 3$

$f(9) = 321$

Average rate of change = $\frac{f(b) - f(a)}{b - a}$

Where,

$a = 3, f(a) = 33$

$b = 9, f(b) = 321$

Plug in the values into the formula for average rate of change.

$= \frac{321 - 33}{9 - 3}$

$= \frac{288}{6}$

$= 44$

Average rate of change = 44

3 0

3 years ago

Read the question on the screenshot.

kondor19780726 [428]

Answer:

c: add x to each side

Step-by-step explanation:

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bezimeni [28]

Answer:

Step-by-step explanation:

x = -1 and -7

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3 years ago

Write the ratio for each:<br><br> Sin=?/? <br> Cos=?/?<br> tan=?/?

Sav [38]

Sin=opposite side/hypotenuse
cos=adjacent side/hypotenuse
tan=sin/cos or opposite/adjacent

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3 years ago

Which Statement describes what these four powers have in common? 4^0 (-2)^0 (1/3)^0

Jobisdone [24]

The answer would be B) all the powers have the value of 1 because the exponent is zero

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