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PIT_PIT [208]
3 years ago
14

Which is the product of (x^2- x + 9)(x – 3)?

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0

9514 1404 393

Answer:

  x^3 -4x^2 +12x -27

Step-by-step explanation:

Use the distributive property.

  = (x^2 -x +9)(x) +(x^2 -x +9)(-3)

  = x^3 -x^2 +9x -3x^2 +3x -27

  = x^3 -4x^2 +12x -27 . . . . . collect terms

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Find the missing value when given the modulus. <br><br> |48+bi|=50
xxMikexx [17]

Answer:

missing value b is 14

Step-by-step explanation:

We have been given the modulus of a complex number which is

r=\sqrt{a^2+b^2}

Here on comparing the given complex number with general a+bi we get:

a=48 and b=b

On substituting the values in the formula for modulus we get:

\sqrt{48^2+b^2}=50

\Rightarrow 2304+b^2=50^2

\Rightarrow b^2=2500-2304

\Rightarrow b^2=196

\Rightarrow b=\sqrt{196}

\Rightarrow b=14

Therefore, missing value b is 14

4 0
3 years ago
Solve for x. Help me out because I haven’t been paying attention all year pt.2
Strike441 [17]

Answer:

x = 9

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(24+3) * 3 = x^2

27*3 = x^2

81 = x^2

Take the square root of each side

sqrt(81) = sqrt(x^2)

9 =x

3 0
2 years ago
A database contains 58,000 items items are added to the database at a rate of 2 items per minute which function can be used to f
Korolek [52]

Answer:

N=2m+58000

Step-by-step explanation:

5 0
3 years ago
What are the zeros of this function?<br> Please let me know asap!!!
blagie [28]

Answer:

My best Gues is x=0 and x=6

Step-by-step explanation:

Because The zeroes of a function is where the line is equal to fx=0 which means it is where the line intercepts with the x axis. And the the line is on the x- axis touching 0 and it isn’t touching any negative number so it would have to be positive and would be 6.

6 0
2 years ago
Read 2 more answers
Drew made $18 per hour. Then he got a 10% raise. After cutbacks, he then had to reduce his hourly rate by 3%. What is his hourly
antiseptic1488 [7]

Answer:

19.206

Step-by-step explanation:

First you need to find out 10% of 18.

You can do that by 18/100 which is .18.

Then multiply that by 10 which is 1.8 (10% of 18)

His hourly rate decreased by 3% AFTER his raise so you would find 3% of 19.8 and not 18.

You do the same process and divide 19.8/100

Then multiply this by 3 and you can get 0.594

That is how much his raise decreased by so you would subtract it from 19.8

19.8 - 0.594 = 19.206 (Round if needed)

Hope this helps

7 0
3 years ago
Read 2 more answers
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