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abruzzese [7]
3 years ago
14

HELP PLEASE HELP HELP THIS HOMEWORK IS LATE I NEED HELP ILL MARK BRAINLIEST!!! I THINK THIS IS 26 POINTS OR SUM IDK BUT HELP

Mathematics
1 answer:
Inga [223]3 years ago
5 0

Answer:  Elevator A

Step-by-step explanation:

30 ÷ 4 =7.2 floors per 6 sec

30 ÷ 3 = 10 floors per 5 scc

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Find the value of X(2x + 4) (2x-9)
kotykmax [81]

2x +4)° 2x-9)°= 4x  2 +8x−9=3

 Pull out like factors :

  2x + 4  =   2 • (x + 2) (4 • (x + 2) • x) -  9

4x • (x + 2) -  9

Factoring  4x2+8x-9  

The first term is,  4x2  its coefficient is  4 .

The middle term is,  +8x  its coefficient is  8 .

The last term, "the constant", is  -9  

Step-1 : Multiply the coefficient of the first term by the constant   4 • -9 = -36  

Step-2 : Find two factors of  -36  whose sum equals the coefficient of the middle term, which is   8 .

     -36    +    1    =    -35  

     -18    +    2    =    -16  

     -12    +    3    =    -9  

     -9    +    4    =    -5  

     -6    +    6    =    0  

     -4    +    9    =    5  

     -3    +    12    =    9  

     -2    +    18    =    16  

     -1    +    36    =    35

x=3

6 0
3 years ago
Read 2 more answers
Please answer correctly !!!!! Will mark brainliest !!!!!!!!!
SVEN [57.7K]

Answer:

y=(x-5)^2 - 6

Step-by-step explanation:

Subtracting the 5 to the x moves the parabola 5 units to the right. Putting the -6 at the end moves the parabola down 6 units.

8 0
3 years ago
Read 2 more answers
Figure A is a scale image of Figure B.
Tema [17]
The answer is 72
trust me
5 0
3 years ago
While traveling to Europe, Phelan exchanged 250 US dollars for euros. He spent 150 euros on his trip. After returning to the
fredd [130]

Answer:

140.42 US dollars

Step-by-step explanation:

250x1.3687=342.175

342.175-150=192.175

192.175/1.3687=~140.41

4 0
3 years ago
Write the equation of the line that passes though the points (0,-2)(3,4)
34kurt

Answer:

y=2x-2

Step-by-step explanation:

find the slope (m)

m=y2-y1/x2-x1

m=4-(-2)/3-0

m=4+2/3-0

m=6/3

m=2

y-y1=m(x-x1)

y-(-2)=2(x-0)

y+2=2x

y=2x-2

8 0
3 years ago
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