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Vikentia [17]
3 years ago
9

Math help needed please:( ​

Mathematics
1 answer:
nydimaria [60]3 years ago
4 0
The answer to 1. Is Reflection. The rigid motion show is called a Reflection
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Which expression is equivalent to (82)−4
jok3333 [9.3K]

Answer:

82*-4 or

41*-8

Step-by-step explanation:

because math

4 0
2 years ago
Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE
Viktor [21]

Answer:

<h2> (2, -1)</h2>

Step-by-step explanation:

Given the function f(x) = 8x³ − 12x² − 48x, <em>the critical point of the function occurs at its turning point i,e at f'(x) = 0</em>

First we have to differentiate the function as shown;

f'(x)= 3(8)x^{3-1}- 2(12)x^{2-1} - 48x^{1-1}\\  \\f'(x) = 24x^2 - 24x-48x^0\\\\f'(x) = 24x^2 - 24x-48\\\\At \ the\turning\ point\ f'(x)= 0\\24x^2 - 24x-48 = 0\\\\\\

Dividing \ through \ by \ 24\\\\x^2-x-2 = 0\\\\On \ factorizing\\\\x^2-2x+x-2 = 0\\\\x(x-2)+1(x-2) = 0\\\\(x-2)(x+1) = 0\\\\x-2 = 0 \ and \ x+1 = 0\\\\x = 2 \ and \ -1

Hence the critical numbers of the function are (2, -1)

8 0
3 years ago
Need help with #8 &amp; #14 PLEASE!!
juin [17]

Answer:

8 (see work)

14. 2x^2 -4x^2 +3

Step-by-step explanation:

There's attached work for explanation

8 0
2 years ago
I’m which place should you put the first digit in the quotient in division
Sergio [31]

Step-by-step explanation:

It would be the very top of the division problem, so for example, if we take. a look at the lower image below, we see that the number 6 is the number that would be the (first) number that would be the quotient.

Answer:

Very top, (e.g)<em> "the number 6"</em>

6 0
2 years ago
Find the area of a sector that has a central angle of 40 and a radius of 2 cm. Round your answer to the nearest 100th. Use 3.14=
Aneli [31]
I think the answer is around 1.4 as you need to multiply the area by 1/9 after finding the real area. 
6 0
3 years ago
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