1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
scoundrel [369]
3 years ago
14

PLEASE HELP me with this!! will mark brainliest.

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

Answer:

4 roots

Explain:

Odd degree polynmial

You might be interested in
A circle has a radius of 3 feet. Use 3.14 for π, and drag and drop the correct answers for each problem below.
enyata [817]

Answer:

A. 28.27

B. 6ft

C. 18.85

Step-by-step explanation:

:)

4 0
3 years ago
Read 2 more answers
Select the correct answer.
blsea [12.9K]

Answer: as the sample size is approximately large, the margin of the error is 0.15

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
About 16 % of the population of a large country is allergic to pollen. If two people are randomly selected, what is the probabil
Vinvika [58]

Answer:

(a) 0.0256

(b) 0.2944

Step-by-step explanation:

For solving this exercise we can apply the binomial distribution. The equation that give as the probability is:

P(x,n,p)=(nCx)*p^{x} *(1-p)^{n-x}

Where n is the number of identical events, p is the probability that the event has a success and x is the number of success in the n identical events.

Additionally, nCx is calculated as:

nCx=\frac{n!}{x!(n-x)!}

So, in this case we have 2 identical events because we are going to select two people randomly and the probability p of success is the probability that the person is allergic to pollen and this probability is 16%.

Then, for the first case, x is 2 because their are asking for the probability that both are allergic to pollen. Replacing the values of x, n and p we get:

P(2,2,0.16)=(2C2)*0.16^{2} *(1-0.16)^{2-2}

P(2,2,0.16)=0.0256

For the second case, their are asking for the probability that at least one is allergic to pollen, that means that we need to sum the probability that both are allergic to pollen with the probability that just one is allergic to pollen.

Using the same equation to calculate P(1,2,0.16) we get:

P(1,2,0.16)=(2C1)*0.16^{1} *(1-0.16)^{2-1}

P(1,2,0.16)=0.2688

So, the probability that at least one person is allergic to pollen is 0.2944 and it is calculated as:

0.0256 + 0.2688 = 0.2944

7 0
3 years ago
Pls help<br><br> Given: △ABC, CM⊥ AB, BC = 5, AB = 7<br> CA = 4 sqrt(2)<br> Find: CM
babymother [125]

Answer:

The general plan is to find BM and from that CM. You need 2 equations to do that.

Step One

Set up the two equations.

(7 - BM)^2 + CM^2 = (4*sqrt(2) ) ^ 2 = 32

BM^2 + CM^2 = 5^2 = 25

Step Two

Subtract the two equations.

(7 - BM)^2 + CM^2  = 32

BM^2 + CM^2         = 25

(7 - BM)^2 - BM^2 = 7               (3)

Step three

Expand the left side of the new equation labeled (3)

49 - 14BM + BM^2 - BM^2 = 7    

Step 4

Simplify And Solve

49 - 14BM = 7              Subtract 49 from both sides.

-49 - 14BM = 7 - 49

- 14BM = - 42              Divide by - 14

BM = -42 / - 14

BM = 3

Step  Five

Find CM

CM^2 + BM^2 = 5^2

CM^2 + 3^2 = 5^2        Subtract 3^2 from both sides.

CM^2 = 25 - 9            

CM^2 = 16                     Take the square root of both sides.        

sqrt(CM^2) = sqrt(16)

CM = 4    < Answer

Step-by-step explanation:

6 0
3 years ago
The radius of a cylinder is 3 yards, and the total surface area is 320 square yards. Which of the following is the closest to th
Olegator [25]
The answer is D I think
5 0
2 years ago
Other questions:
  • An object launched straight up at a speed of 29.4 meters per second has a height, h, in meters of h , t seconds after the object
    15·1 answer
  • Is 4.110 smaller or bigger than 4.10
    12·1 answer
  • Which statements are true about line segments
    15·2 answers
  • Write an expression that can be used to find 4x275 using mental math and properties of numbers
    8·1 answer
  • Find the equation of the line that passes through (1,4) and is parallel to 3x+y−1=0. Leave your answer in the form y=mx+c
    9·2 answers
  • What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when (B
    15·1 answer
  • PLEASE HELP ASAP!!!!!!!!!!
    12·2 answers
  • About 40% of athletes at a gym use a professional trainer. The proportion of successes is when p = 0.4. You choose a random samp
    6·1 answer
  • Please fast, please fast
    6·1 answer
  • PLEASSSSSSSSSEEEEEEEEEEEE<br> IS NOT A SCAMMM"<br> I JUST <br> NEED<br> HELP
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!