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Masteriza [31]
3 years ago
14

Jacob incorrectly factored 20x2 – 44x + 8 using the following steps,

Mathematics
1 answer:
Veronika [31]3 years ago
3 0
I do not know what to do in this case
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A number z is greater than or equal to –8 and<br> is less than -5.
Zina [86]

Answer:

z ≥ -8 - (-5)

Step-by-step explanation:

5 0
4 years ago
How many tattoos does Niall Horan have?
kaheart [24]

Answer:

none

Step-by-step explanation:

he works for one direction.

4 0
4 years ago
Read 2 more answers
14&gt;-2(2z+3)<br>please help me!!
Veseljchak [2.6K]

Answer:

14 > -2 (2z + 3)

First you need to distribute the -2 inside the parentheses.

14 > -2(2z) + -2(3)

14 > -4z - 6              -Add 6 to both sides of the equation

14 + 6 > -4z - 6 + 6

20 > -4z              -Now divide by -4 on both sides

20 / -4 > -4z / -4

-5 > z

However, when you divide by a negative number, you MUST flip the sign.

So, the answer is:

-5 < z

Hope this helps!


6 0
3 years ago
Sara Wants to Triple A recipe For Brownies. The recipe Calls For 1 1/3 cups of Flour. There are exactly 4 cups of flour left in
Free_Kalibri [48]
1+1+1 is 3. And you have 1/3+1/3+1/3=3/3=1. So you end up with 3+1=4. So yes
8 0
4 years ago
Please help with all of them , thank you !
Lelu [443]

Answer:

A.  12x² + 15xy + 18x

B.  - 12x² + 18xy + 24x

C.  10x² - 31x - 14

D.   x² - 36

3a.  x = 8

3b.  x = 3

Step-by-step explanation:

A.  3x ( 4x + 5y +6 )                        C.  ( 2x - 7 ) ( 5x + 2 )

    12x² + 15xy + 18x                             10x² + 4x - 35x - 14

                                                             10x² - 31x - 14

B.  6x ( 3y - 2x + 4 )

    18xy - 12x² + 24x                         D. ( x + 6 ) ( x - 6 )

     -12x² + 18xy + 24x                           x² - 6x + 6x - 36

                                                              x² - 36

3a.  5/4x + 2 = 12                             3b.  7/3x - 2 = 5/3x

      5/4x = 12 - 2                                     -2 = 5/3x - 7/3x

      5/4x = 10                                          -2 = - 2/3x

      x = 10 · 4/5                                       -2/3x = -2

      x = 8                                                  x = 3                                        

     

4 0
3 years ago
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