3 years ago

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. If necessary, combine like terms. (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

Answer:

9 - 16x^2

Hope you could understand.

If you have any query, feel free to ask

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2 years ago

Mid Topic 6 Assessment

sergey [27]

4(8x + 56) = 20
= 32x + 224 = 20

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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

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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

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3 years ago

What's the answer was for 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

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3 years ago