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hichkok12 [17]
2 years ago
15

Simplify the expression to a polynomial in standard form: (-3x-5)(-x^2+x-5)

Mathematics
2 answers:
s2008m [1.1K]2 years ago
8 0

Answer:

( - 3x - 5)( -  {x}^{2}  + x - 5) \\ 3 {x}^{3}  - 3 {x}^{2}  + 15x + 5 {x}^{2}  - 5x + 25 \\ 3 {x}^{3}  + 2 {x}^{2}  + 10x + 25 \\

I hope I helped you^_^

WINSTONCH [101]2 years ago
5 0

Answer:

should be the answer

Step-by-step explanation:

5x^2-10

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CaHeK987 [17]

Answer:

Many

Step-by-step explanation:

8 0
3 years ago
Find [4(cos15° + isin15°)]^3 and express it in a + bi form.
AleksandrR [38]

Answer:

see explanation

Step-by-step explanation:

Using De Moivre's theorem

Given

[ 4(cos15° + isin15° ) ]³, then

= 4³ [ cos(3 × 15°) + isin(3 × 15°) ]

= 64 (cos45° + isin45° )

= 64 (\frac{\sqrt{2} }{2} + \frac{\sqrt{2} }{2} i )

= 64 (\frac{\sqrt{2} }{2} (1 + i) )

= 32\sqrt{2} (1 + i)

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5 0
3 years ago
how would a enter a payment that was accepted with a 4 month, 8% note in a payment of a $4800.00 account
Anon25 [30]

Answer:

Enter a payment of 5192.52.

Step-by-step explanation:

Consider the provided information.

The payment is $4800 with a 4 month, 8% note.

The amount can be calculated as:

Amount=p(1+\frac{r}{m})^{mt}

Where <em>p</em> is money invested, <em>r</em> is annual interest rate, <em>t</em> is number of years and <em>m</em> is number of period.

Now substitute p = 4800 r = 0.08 and m = 4 in the above formula.

Amount=4800(1+\frac{0.08}{4})^4

Amount=4800(1+0.02)^4

Amount=4800(1.02)^4

Amount=4800(1.08243216)

Amount=5195.52\ approximately

Hence, enter a payment of 5192.52.

6 0
3 years ago
Higher Circle Theorems<br> Three questions 20 points.
Law Incorporation [45]

Answer:

64

Step-by-step explanation:

alternating angles are equal

8 0
2 years ago
Suppose a 95% confidence interval for μ turns out to be (1,000, 2,100). give a definition of what it means to be "95% confident"
IRISSAK [1]

Answer:

In repeated sampling, 95% of the intervals constructed would contain the population mean.

3 0
3 years ago
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