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storchak [24]
3 years ago
6

What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

Mathematics
1 answer:
Masteriza [31]3 years ago
8 0

Answer:

<em>-12 + 20x ≥ -6x + 9</em>

<em>Fourth choice</em>

Step-by-step explanation:

<u>Inequalities</u>

We are given the inequality:

-4(3 - 5x) ≥ -6x + 9

Solving the inequality implies having x isolated on one of the sides.

We must start by removing the parentheses. It will be done by multiplying -4 by (3 - 5x). Since this operation doesn't imply multiplying all the inequality by a negative number, the sign won't be flipped:

-4*3 - (-4)5x ≥ -6x + 9

Multiplying:

-12 + 20x ≥ -6x + 9

Fourth choice

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Please solve this problem 5y+30=5()
nadya68 [22]
First you would subtract 30 from both sides 
they divide each side by 5 to get -7 
y =-7 
7 0
3 years ago
Y= 2? + 16x + 64<br> 1. Identify a, b, and c<br> b=<br> C=
liraira [26]

ask a tutor for help with that my dude I don't know sorry

5 0
3 years ago
Estimated m 60=4m <br><br><br><br><br> 4x0=
11111nata11111 [884]

[ Answer ]


M = <em><u>15</u></em>

4 * 0 = <u><em>0</em></u>

[ Explanation ]


60 / 4 = 15

15 * 4 = 60



4 * 0 = 0


<> Eclipsed <>


4 0
3 years ago
Andy is blowing up a spherically shaped balloon. If he is able to blow 81π cm^3 of air with every breath, it takes him 12 breath
Allisa [31]

The radius of the balloon given the information in the question is 8.98cm.

<h3>What is the radius of the balloon?</h3>

The first step is to determine the volum of the balloon.

Volume = 81π cm^3 x 12 = 972π cm^3

Now, determine the radius using this formula:

∛[Volume / (4/3π )]

∛[972π cm^3/ (4/3π )] = 8.98cm

Here is the complete question:

Andy is blowing up a spherically shaped balloon. If he is able to blow 81π cm^3 of air with every breath, it takes him 12 breaths to fully inflate the balloon. What is the radius of the balloon?

To learn more about the volume of a sphere, please check: brainly.com/question/13705125

5 0
2 years ago
find the x-intercepts of the parabola with vertex(6,27) and y-intercept (0,-81). write answer in form (x1,y1)(x2,y2). if necessa
sergey [27]
The vertex form of the equation is:
y = a ( x - h )² + k
- 81 = a ( 0 - 6 )² + 27
- 81 = 36 a + 27
- 108 = 36 a
a = - 108 : 36
a = - 3
y = - 3 ( x - 6 )² + 27
y = - 3 ( x² - 12 x + 36 ) + 27
y = - 3 x² + 36 x - 108 + 27
y = - 3 x² + 36 x - 81
y = - 3 ( x² - 12 x + 27 )
x² - 12 x + 27 = 0
x² - 9 x - 3 x + 27 = 0
x ( x - 9 ) - 3 ( x - 9 ) = 0
( x - 9 ) ( x - 3 ) = 0
x 1 = 3,  x 2 = 9
Answer:
The x-intercepts are ( 3, 0 ) and ( 9, 0 ).
7 0
3 years ago
Read 2 more answers
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