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aleksklad [387]
3 years ago
6

Patricia is studying a polynomial function f(x). Three given roots of f(x) are -11-√2i , 3 + 4i, and 10. Patricia concludes that

f(x) must be a polynomial with degree 4. Which statement is true?
A. Patricia is correct because -11+√2i must be a root.
B. Patricia is correct because 3 – 4i must be a root.
C. Patricia is not correct because both 3 – 4i  and -11+√2i  must be roots.
D. Patricia is not correct because both 3 – 4i  and 11+√2i  must be roots
Mathematics
2 answers:
valina [46]3 years ago
8 0

Answer:

just took the test, it is NOT c.

Step-by-step explanation:


AnnZ [28]3 years ago
7 0

Answer:

D) Patricia is not correct because both 3 – 4i and Negative 11 + StartRoot 2 EndRoot i must be roots.

Step-by-step explanation:

took test

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Use the method that you described in item 4 to answer the following
Kruka [31]

Answer:

Step-by-step explanation:

3 0
3 years ago
for the opening day of a carnival, 800 admission tickets were sold. The receipts totaled $3775. Tickets for children cost $3 eac
zloy xaker [14]
Total tickets sold  = 800
Total revenue = $3775

Ticket costs:
$3  per child,
$8  per adult,
$5 per senior citizen.

Of those who bought tickets, let
x =  number of children 
y = number of adults
z = senior citizens

Therefore
x + y + z = 800                   (1)
3x + 8y + 5z = 3775           (2)

Twice as many children's tickets were sold as adults. Therefore
x = 2y                                (3)

Substitute (3) into (1) and (2).
2y + y + z = 800, or
3y + z = 800, or
z = 800 - 3y                        (4)
3(2y) + 8y + 5z = 3775, or
14y + 5z = 3775                 (5)

Substtute (4) nto (5).
14y + 5(800 - 3y) = 3775
-y = -225
y = 225
From (4), obtain
z = 800 - 3y = 125
From (3), obtain
x = 2y = 450

Answer:
The number of tickets sold was:
450 children,
225  adults,
125 senior citizens.
6 0
4 years ago
Simplify each expression.<br> 1) 6(1 - 10p)- 7
Y_Kistochka [10]

Answer:

-60p - 1

Step-by-step explanation:

Distribute the parenthesis then add like terms together.

Step 1: Distribute

6 -60p - 7

Step 2: Combine like terms

-60p - 1

4 0
3 years ago
Read 2 more answers
I was wondering if someone could explain this in another way *you might have to click on the post to view the picture*
Shtirlitz [24]
Look on google and look on others websites and you will find a lot of answers hope this helps
7 0
4 years ago
<img src="https://tex.z-dn.net/?f=18%20-%204%20%20%5Cdiv%20%20%7B2%7D%5E%7B2%7D%20%20%5Ctimes%2010" id="TexFormula1" title="18 -
Vinvika [58]
The answer is 8
Order of operations:(Please Excuse My Dear Aunt Sally)
Parentheses
Exponents
Multiplication
Division
Add
Subtract
When it comes down to multiplication and division you do whichever comes first , left to right same with add and subtract so..
Step1: 2 squared = 4
Step2: 4/4=1
Step3: 1x10=10
18-10=8 . Final answer is 8
7 0
3 years ago
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