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gizmo_the_mogwai [7]
3 years ago
12

HURRY PLZ

Mathematics
2 answers:
iragen [17]3 years ago
8 0
Just plug in the numbers to the inequality
----------------------
(-2,-5)
-5 > (2)(-2) - 4
-5 > -8
This would work
---------------------------------------
(0.-4)
-4 > (2)(0) - 4
-4 > -4 (this is false)
This wouldn't work 
--------------------------------------------------
(1,1)
1 > (2)(1) - 4
1 > -2
This would work
------------------------------------------------------------
(3,5)
5 > (2)(3) - 4
5 > 2
This would work
---------------------------------------------------------------------
(5,5)
5 > (2)(5) - 4
5 > 6 (this is false)
this wouldn't work
===================================================================
Your answers are (-2,-5), (1,1), and (3,5)


emmasim [6.3K]3 years ago
5 0

answer:

( - 2 , - 5 )

( 1 , 1 )

( 3 , 5 )

your welcome!

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If x is added to 4 and then multiplied by 2, then the function is f(x) = 2(x +4)
romanna [79]

Answer:

a)

Step-by-step explanation:

To find inverse:

replace f(x) with y:   y = 2(x + 4)

Then switch y and x:    x = 2(y + 4)

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x = 2(y + 4)

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Solve for x: 2x/5=12/8
Anika [276]

Answer:

x = 3\frac{3}{4}

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5 0
3 years ago
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Which linear inequality represents the solution set graphed?
postnew [5]

Answer:

Correct option is C

Step-by-step explanation:

First, find the equation of the boundary line. This line passes through the points (0,-3) and (-2,1). Then it has equation

\dfrac{x-0}{-2-0}=\dfrac{y+3}{1+3},\\ \\4x=-2(y+3),\\ \\y=-2x-3.

In the attached diagram this boundary line is solid, then the sign of the inequality should be with "or equal to" notion (≤ or ≥). Thus, options A and B are false.

The line divides the coordinate plane into two parts and you have to determine which part to choose. The origin does not lie in the shaded region, then its coordinates cannot satisfy the inequality. Check options C and D.

0\le -2\cdot 0-3\ (0\le -3) - origin does not satisfy (option C is correct);

0\ge -2\cdot 0-3\ (0\ge -3) - origin satisfies (option D is false).

4 0
3 years ago
LEAST COMMON MULTIPLE OF 27 , 48, 66
MrRissso [65]
27|\fbox3\\.\ 9|3\\.\ 3|3\\.\ 1|\\------------\\48|\fbox2\\24|2\\12|2\\.\ 6|2\\.\ 3\fbox3\\.\ 1|\\------------\\66|\fbox2\\33|\fbox3\\11|11\\.\ 1|\\=====================\\LCM(27;\ 48;\ 66)=3\times3\times3\times2\times2\times2\times2\times11=4,752\\\\Answer:\boxed{LCD(27;\ 48;\ 66)=4,752}

8 0
3 years ago
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