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Alex
4 years ago
14

a student claims -4i is the only root of a quadratic polynomial equation that has real coefficients whats the students mistake a

nd write one possible polynomial that has the correct roots from part a in standard form
Mathematics
1 answer:
barxatty [35]4 years ago
7 0

Answer:

word word word not the answer

Step-by-step explanation:

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Stephanie has 60 tickets to the carnival.She used 3/4 of her 60 tickets to play games.Then she used 1/5 of her remaining tickets
Lera25 [3.4K]

Answer:

<h2>She gave her brother 6 tickets</h2>

Step-by-step explanation:

This problem is on fractional numbers.

given that she has 60 tickets

1.She used 3/4 of her tickets to play game

=(3/4)*60

=180/4

=45

She is left with (60-45)= 15 tickets

2. She used 1/5 of her remaining tickets for rides

    =(1/5)*15

   =15/5

   =3

She is left with (15-3)= 12 tickets

3. She gave half of her tickets to her brother.

  = (1/2)*12

  =12/2

 = 6

She gave her brother 6 tickets

3 0
3 years ago
How do you solve this?
zaharov [31]
Angle 2 and angle 4 are vertical angles which makes them congruent
8 0
3 years ago
Find the sum of 10 + 5i and its complex conjugate.<br> Write your answer in the form a + bi
gogolik [260]

Answer:

20.

Given, complex number is 10+5i .

We need to find sum of the given complex number and its conjugate. The conjugate of 10+5i is 10-5i. Therefore, the sum will be 10+5i+10−5i=20.

7 0
3 years ago
Simplify 2x 2 - y for x = 3 and y = -2.<br><br> I got 20. Is this correct?
mina [271]

Answer: No it is in correct the answer is actually -x3 + 2x + y

Step-by-step explanation:

3 0
3 years ago
Last week, you collected 20 pounds of cans for recycling. this week, you collect 25 pounds of cans for recycling. what is the pe
andrezito [222]
Percent of increase = delta change/total first week x100


delta change = 25- 20 = 5

percent increase = 5/20 x 100 = 100/4 = 25 percent 
3 0
4 years ago
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