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Amanda [17]
3 years ago
13

Using arithmetic operations, rewrite this polynomial in standard, simplest form. (3x2 + 9x + 6) − (8x2 + 3x − 10) + (2x + 4)(3x

− 7)
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

x∧2+4x-16

Step-by-step explanation:


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a circular garden with a radius of 8 ft is surrounded by a circular path with a width if 3 ft what is the approximate area of th
Musya8 [376]

Answer:

about 18.8496 ft squared

Step-by-step explanation:

find the area of the garden and the path together. About 69.115 ft squared.

Then find the area of the garden. About 50.2654 ft squared. Then subtract.

6 0
3 years ago
Which choice is equivalent to √10*√5?<br> A. 5√2<br> B. 25√2<br> C. 5√10<br> D. 2√5
DanielleElmas [232]

Answer: 5\sqrt{2}

Step-by-step explanation:

\sqrt{10} *\sqrt{5} =\sqrt{50} =\sqrt{2*5*5} =5\sqrt{2}

3 0
3 years ago
An interger between -5 and -6
ivolga24 [154]

Answer:

None!

Step-by-step explanation:

First off, what is an integer? An integer is a number that is not a fraction or a whole number but it can be negative or positive.

-5 and -6 are both integers and they are both consecutive integers meaning that they are following one another. So they is no integer between -5 and -6.

4 0
2 years ago
This is the last task​
Black_prince [1.1K]

The answer is attached.

6 0
3 years ago
Write the complex number in polar form:
emmasim [6.3K]

9514 1404 393

Answer:

  2√30 ∠-120°

Step-by-step explanation:

The modulus is ...

  √((-√30)² +(-3√10)²) = √(30 +90) = √120 = 2√30

The argument is ...

  arctan(-3√10/-√30) = arctan(√3) = -120° . . . . a 3rd-quadrant angle

The polar form of the number can be written as ...

  (2√30)∠-120°

_____

<em>Additional comments</em>

Any of a number of other formats can be used, including ...

  (2√30)cis(-120°)

  (2√30; -120°)

  (2√30; -2π/3)

  2√30·e^(i4π/3)

Of course, the angle -120° (-2π/3 radians) is the same as 240° (4π/3 radians).

__

At least one app I use differentiates between (x, y) and (r; θ) by the use of a semicolon to separate the modulus and argument of polar form coordinates. I find that useful, as a pair of numbers (10.95, 4.19) by itself does not convey the fact that it represents polar coordinates. As you may have guessed, my personal preference is for the notation 10.95∠4.19. (The lack of a ° symbol indicates the angle is in radians.)

6 0
3 years ago
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