3 years ago

I need help with this question help me

1 answer:

7 0

Fourth root (3/2x)
= [fourth root {3*(2x)^3} / {2x * (2x)^3}]
= [fourth root (3*8x^3}) /(2x)^4]
= [fourth root (24x^3)] / 2x

answer is B. second one

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Eva8 [605]

Answer:

-19

Step-by-step explanation:

The missing table is shown in the attachment.

Since the quadratic function has vertex at (0,3), its equation is of the form;

$y = a {x}^{2} + 3$

To find the value of 'a' we substitute any other point from the table say (1,2) to get:

$2 = a( {1)}^{2} + 3$

$a = 2 - 3 = - 1$

Hence the function is

$y = - {x}^{2} + 3$

Now

$f(10) = - 100 + 3 = - 97$

$f(9) = - 81 + 3 = - 78$

The average rate of change from x=9 to x=10 is

$\frac{f(10) - f(9)}{10 - 9} = \frac{ - 97 - - 78}{1} = - 19$

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4 years ago

SashulF [63]

Jim owns 48 cars.

4:3 as x:36
36/3 is 12, so the scale is 12.
x is 4*12 = 48

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3 years ago

tino4ka555 [31]

Let me know if you need me to explain!

4 0

4 years ago

tatyana61 [14]

84/100. 42/50. 21/25. And there not sure though

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3 years ago

irinina [24]

Answer:

number 1 is 2 number 2 is 15 number 4 is 30

Step-by-step explanation:

6 0

3 years ago