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djyliett [7]
3 years ago
6

Subtract (x^2-5x+4)-(8x-9)

Mathematics
2 answers:
cluponka [151]3 years ago
6 0

Answer: x^2 - 13x + 13

Step-by-step explanation:


Sladkaya [172]3 years ago
4 0

Answer:

x^2-13x+13

Step-by-step explanation:

(x^2-5x+4)-(8x-9)=(x^2-5x+4)-8x+9

                           =x^2-5x-8x+4+9

                           =x^2-13x+13

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Categorize each of the following equations as a linear equation in one variable or not.
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6 0
3 years ago
Trig: Which complex number's graph is shown?
Andrei [34K]

ANSWER

2 \sqrt{2} ( \cos( \frac{7\pi}{4}   + i  \sin(  \frac{7\pi}{4} ) )

EXPLANATION

The complex number shown has coordinates (2,-2)

or

z = 2 - 2i

The modulus is

|z|  =  \sqrt{ {2}^{2}  +  {( - 2)}^{2} }

|z|  =  \sqrt{ 8} = 2 \sqrt{2}

The argument is

\theta= \tan^{ - 1} ( \frac{ - 2}{2} )

\theta= \tan^{ - 1} ( -1) =  \frac{7\pi}{4}

The polar form is

2 \sqrt{2} ( \cos( \frac{7\pi}{4}   + i  \sin(  \frac{7\pi}{4} ) )

The first option is correct.

3 0
3 years ago
This id hard please help me do this
svlad2 [7]
In this problem, we're going to use the 'PEMDAS' method.

First, we're doing the problem in the parenthesis.
44 - 4 = 40

Next in PEMDAS, we need to do the exponent.
6² = 6 x 6 = 36

Then we would do multiplication, but there is nothing to multiply so we move onto division.
40 / 2 = 20

Now we would add, but there is nothing to add so we move onto subtraction.
20 - 36 = -16

Our final answer would be -16.

Hope this helps!~
7 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

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hram777 [196]

Answer:

10 days the balance is $1,000, but then the balance drops to $950.

Step-by-step explanation:

For the first 10 days the balance is $1,000, but then the balance drops to $950.

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3 years ago
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