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Maslowich
3 years ago
13

The difference of twice a number and 3

Mathematics
1 answer:
KiRa [710]3 years ago
5 0
2n/3
the difference means divide 2 times(multiply)a number 
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Expand.<br> If necessary, combine like terms.<br> (3 + 4x) (3 - 4x)
shepuryov [24]
  • (3 + 4x) (3 - 4x)

We know the algebraic identity: (a - b)(a + b) = a^2 + b^2. Therefore, we should square 3 and 4x.

  • = (3)^2 - (4x)^2
  • 9 - 16x^2

<u>Answer</u><u>:</u>

<u>9</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>x</u><u>^</u><u>2</u>

Hope you could understand.

If you have any query, feel free to ask

5 0
2 years ago
Mid Topic 6 Assessment
sergey [27]
4(8x + 56) = 20
= 32x + 224 = 20

4 0
3 years ago
Analyze a graph In Exercise,analyze and sketch the graph of the function.Label any relative extrema, points of inflation,and asy
ZanzabumX [31]

Answer:

Step-by-step explanation:

Given is a function f(x)

f(x) = e^x -e^{-\frac{{x}}{2}

We have to analyse and sketch the graph

X intercept : Put y =0, we get x=0

Y intercept: Put x =0 , we get y =0

No exception for x or y and hence set of all real numbers is domain and range.

f'(x) = (e^x +1/2 e^{-\frac{{x}}{2})

f' becomes 0 not at finite points

So relative extreme

Graph is sketched and attached

8 0
3 years ago
A parking garage has 6 levels . Each level has 15 rows. Each row has the same number of parking spaces . There are 2,250 parking
Vika [28.1K]
6*15=90 rows in total.
2250/90=25 spaces in a row
6 0
3 years ago
What's the answer was for <br> 1/2r+2(3/4r-1)=1/4r+6
Simora [160]
1/2r+2(3/4r-1)=1/4r+6
2r-2=1/4r+6
2r=1/4r+8
7/4r=8
7r=32
r=32/7
5 0
3 years ago
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