Four zeros of a 5th degree polynomial are 12,3,-5 and 1+2i. What is the 5th zero in this polynomial

Answers

Answer 1

Answer:

1-2i

Step-by-step explanation:

complex roots come in conjugate pairs


Related Questions

Students surveyed boys and girls separately

Answers

wait...what?

im lost. lol

Answer:

Step-by-step explanation:

a veterinarians office has 2100 animals it sees in one month. of these animals, 1500 of them are dogs. what is the ratio of dogs to all animals, in simplest form?

Answers

Answer:

B

Step-by-step explanation:

The quotient of fifty and five more than a number is ten

Answers

Answer:

This number would be straight out zero  .

Step-by-step explanation:

First it said the quotient of fifty and five MORE than a number is 10, so we first need to focus on the line five MORE than a number is 10, so we know this number is less than the value used in the equation then we focus on the quotient of fifty and, So we know this unknown number lets just say the variable for it is n, then we know that fifty/ n+5=10. So Lets use the associative property to turn this into and some algebra to fifty/10 = n+5, so 50/10 equals to 5, so we know that, 5= n+5, so that would be... n =  0. Hope this helps you answer your question! :)

How many significant figures are in the number: 0.00029

Answers

Answer:

coochie

Step-by-step explanation:

Pete wants to make turkey sandwiches for two friends and himself he wants each sandwich to contain 3.5 ounces of Turkey how many ounces of Turkey does he need​

Answers

So, he wants to make a sandwich for two friends and himself (3 people)

Your equation would be 3x3.5=10.5

Your answer would be 10.5

it is expected that gas prices will rise to be 142% of the current amount. If the current gas price is $4 per gallon, explain how to estimate the expected price of gas.

Answers

The answer is 54 iybiybyibyib

Answer:

$5.68

Step-by-step explanation:

142% of the current price of $4 per gallon is found by multiplying these numbers:

 142% × $4.00/gal = $5.68/gal

_____

Of course, you know that 142% = 142/100 = 1.42. The numbers get multiplied and the units ($/gal) get applied to the result.

Multiplication by 4 is easily done mentally by doubling twice:

 4×1.42 = 2×(2×1.42) = 2×2.84 = 5.68

Suppose your cell phone plan charges a fixed rate of $10 per month plus 7 cents per minute. Create a table that shows the relationship between the total number of minutes you might use each month, m, and your total monthly cell phone bill, t.

Answers

Create a table =10t+7m

22+33 using GCF and the distributive property.​

Answers

Factors:

22 : 1 2 11 22
33 : 1 3 11 33

Both have the GCF of 11. By removing 11 from both numbers you end up with:

22 = 2 * 11
33 = 3 * 11

Now replace the values on the right of the equals sign into the original equation:

(2 * 11) + ( 3 * 11)

The distributive property allows us to remove the common values and rewrite as:

11(2 + 3)

This gives:

11(5)

55

Determine if both triangles are congruent or not. Label the triangles as SSS, AAS, ASA, SAS, HL, or not enough information.

Answers

△ABD and △BCD are congruent as:

∠CBD = ∠ABD (Equal Angles)

BD = BD (Common side)

The 90 degree angle (Common between both triangles)

Therefore

△ABD ≅ △BCD (By AAS)

Answer:  ASA (angle side angle)

The diagram is not drawn to scale and it appears misleading since AD appears shorter than DC. However, the smaller triangles are congruent and we can prove it using ASA.

The tickmarks on the angles show we have a pair of congruent angles. The other pair of congruent angles are the two right angles (angle BDC and angle ADB). The pair of congruent sides are DB = DB. We use the reflexive property here. The sides are between the congruent angles mentioned. So we'll use ASA and not AAS.

-------------

Extra info:

We can't use SSS because we only have info about one pair of sides. SAS won't be used either for the same reason. HL = hypotenuse leg, and it applies to right triangles only. We don't have any info about the hypotenuse of either triangle, so we can't use this either.

If jack age is 5 years, 4 months old and he is expected to live 79.7. years. How many more years is jack is expected to live?

Answers

74 years and 3 months or 74.3

Which of the following describe ? Select all that apply.
integer
whole number
irrational number
rational number

Answers

Answer:

Irrational Number

Step-by-step explanation:

Answer:

irrational because pi is a number that can not be converted into a fraction from and its infinite

Step-by-step explanation:

8)
Erica chooses a number. She divides it by four then subtracts 11. She then divides this
result by two. Her answer is 12.5. What was the number she started with?

Answers

Step-by-step explanation:

Let x be the number.

Divide it by 4

x/4

Subtract 11

x/4 - 11

x-44/4

Divides this result by 2

x-44/4 ÷ 2

x-44/4 × 1/2

x-44/8

Her answer is 12.5

x-44/8 = 12.5

x-44 = 12.5 × 8

x = 100 + 44

x = 144

Hence,

She started with 144 number.

Solve the inequality statement:

4r-5<5r+7

Answers

Answer:

r<-12

Step-by-step explanation:

hope this helps........

Answer:b

Step-by-step explanation:

Every 1 inch of vertical rise, 12 inches ramp length is required. What is the ramp length required for the rise of 10.5?

Answers

Answer:

You will require 126 inches of ramp for a rise of 10.5

Step-by-step explanation:

Evaluate the word problem

If your verticle rise is 10.5 inches for every 1 inch of that 10.5 you have 12 inches. This is written into an equation as follows;

x: How many inches of vertical rise you have,

y: Length of ramp required

y = 12x

Solve:

y = 12x

y = 12(10.5)

y = 126 inches of ramp

Hope this helps

32 Over 8 = 28 Over x
a. x = 4
c. x = 8
b. x = 28
d. x = 7

Answers

Answer:

d. x = 7

Step-by-step explanation:

32/8 = 28/x

simplify the fraction

4/1 = 28/x

cross multiply:

4x = 28

divide both sides by 4:

x = 7

Mr. Collins administered a final exam to his college chemistry class. The results are shown in the following grouped frequency polygon.

According to the data shown in the graph, which of the following statements are correct?

Answers

Answer:

Only 3 students scored between 90 and 99.

13 students earned a C

25 Students scored 70 or better on the exam.

There are 40 Students in the date.

Step-by-step explanation:

Find the value of 0.4 ´ 0.023

Answers

Answer:

45-0.023=44.977

Step-by-step explanation:

Write the interval as an inequality:
(-00, -8]

Answers

Answer:

[tex]x\leq -8[/tex]

Step-by-step explanation:

The lengths of a side of a triangle are 12.1 inches, 11.28 inches, and 5.4 inches. What is
the perimeter of the triangle?

Answers

Answer:

28.78

Step-by-step explanation:

12.1+11.28+5.4=28.78

To find a perimeter, you would add up all of the sides. There are 3 sides so you would add them all up to get 28.78

To determine whether or not they have a certain desease, 304 people are to have their blood tested. However, rather than testing each individual separately, it has been decided first to group the people in groups of 19. The blood samples of the 19 people in each group will be pooled and analyzed together. If the test is negative, one test will suffice for the 19 people (we are assuming that the pooled test will be positive if and only if at least one person in the pool has the desease); whereas, if the test is positive each of the 19 people will also be individually tested and, in all, 20 tests will be made on this group. Assume the probability that a person has the desease is 0.04 for all people, independently of each other, and compute the expected number of tests necessary for the entire group of 304 people.

Answers

Answer:

The expected number of tests necessary for the entire group of 304 people is 180.0325

Step-by-step explanation:

Probability of person being positive = p = 0.04

Probability of person being negative = q = 1-0.04=0.96

Number of people in each group = 19

We will use binomial over here

Probability of no test positive :

[tex]P(x=0) = ^{19}C_0 (0.04)^0 (0.96)^{19} =0.460419201958[/tex]

P( at least one tests positive) = 1-P( no one tests positive)= 1-0.460419201958= 0.539580798042

Expected number of tests for each group = 1(0.460419201958)+20(0.539580798042) = 11.2520351628

Number of groups =[tex]\frac{\text{Total population}}{\text{no. of people in each group}}=\frac{304}{19}=16[/tex]

Expected number of tests necessary for the entire group of 304 people:

=[tex]\text{Expected number of tests for each group} \times \text{No. of groups}[/tex]

=[tex]11.2520351628 \times 16[/tex]

=180.0325

Hence The expected number of tests necessary for the entire group of 304 people is 180.0325

Can someone help me with this geometry question thanks will mark brainliest

Answers

For parallel lines, gradients (slope) must be the same.

The lines given in multiple choice, no line with the same gradient/slope as line y = 3x - 2.

Step-by-step explanation:

From y = 3x - 2,

The slope = 3

Let's check slopes of lines from multiple choice:

From first line

4x + 2y = 5

2y = -4x + 5 (dived 2 both sides)

y = - 2x + 5/2

The slope = -2

Continue with remaining three equations you get slopes: -1/2, -4 and 4.

Hence no equations above represent parallel equation to y = 3x - 2

If the perimeter of this isosceles triangle is at most 45 centimeters, which inequality could be used to find the value of p?
4p - 6 < 45
7p - 12 < 45
6p - 12 < 45
5p - 6 < 45

Answers

Answer:

Step-by-step explanation:

7p-12< 45

_

The inequality that can be used to find p is 7p -12 < 45. The correct option is B.

What is a Triangle?

A triangle is a polygon with three sides, three angles, and three vertices.

The perimeter of the given triangle is at most 45 centimeters.

The perimeter of a triangle is equal to the sum of all sides

The sides given is 3p-6 , 3p-6 ,p

So,

3p-6 +3p-6 +p < 45

7p -12 < 45

Therefore, the inequality that can be used to find p is 7p -12 < 45. The correct option is B.

To know more about Triangle

https://brainly.com/question/2773823

#SPJ2

PLS HELP 6th GRADE MATH!
Sheila can ride are bicycle 6,000 meters in 115 minutes. Cal can ride his bicycle 3,400 meters in 8 minutes.Select true or false for the following statement. Sheila can ride her bicycle 800 meters in 2 minutes.

Answers

False is the correct answer

Answer:

false

Step-by-step explanation:

Kate has a negative bank account balance of $100. If she is depositing $5 a day , how long until she has a negative balance of only $30?​

Answers

Answer:

14 days

Step-by-step explanation:

-100 +5+5+5+5+5+5+5+5+5+5+5+5+5+5= -30

You and your friends are in charge of a fundraising dinner. It costs $120 for all the food and supplies. You
plan to charge $8.00 per ticket. You would like to have a profit of at least $600. Your friend said if you sell
75 tickets, you will reach your profit goal. Tell whether your friend is correct or not. Explain your answer in
sentences and then write and solve the inequality that represenst the number of tickets that you need to
sell.
Posted Fri Oct 9, 2020 at 12:26 pm

Answers

Answer:

$8.00 per ticket. You would like to have a profit of at least $600.

Step-by-step explanation:

$8.00 per ticket. You would like to have a profit of at least $600.

Answer:

your friend is not correct. You need to sell 90 tickets

Step-by-step explanation:

75 tickets X 8 = 600 ( remember you need 120 extra to pay supplies cost, so you need to sell 90 tickets and the costs is $ 8 per tickets)

let's say now.

90 tickets X 8 = 720.

720- 120= 600

Please help me would be greatly appreciated.

Answers

The answer is B but don’t be mad if it’s wrong

LOOK AT THE PIC AND PLZ HELP ASAP

Answers

Answer:

1. Same side Interior Angles

2. Corresponding Angles

3. Alternate Interior Angles

4. Vertical Angles

5. Adjacent Angles

6. Same Side Exterior Angles

7. Alternate Exterior Angles

Hope this helped.

The substance in the chart above that has the greatest number of atoms in each molecule is-

Answers

Answer:

the substance in chart above

Step-by-step explanation:

that has greatest number of atom is each molecule

take apart the addend to solve 48+23

Answers

Answer:

71

Step-by-step explanation:

just add the problem

x + 4x + 4 - 8x


please help

Answers

Answer:

The answer is -13x+4

-13x+4 is the answer
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