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erastovalidia [21]
3 years ago
8

Danielle sells 3 donuts for $9. Write an equation to represent the relationship between the number of donuts sold and the earnin

g
Halp
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
8 0
3x=9. 3 represents the donuts she sold, x represents the cost of each donut and 9 is the total earning
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A recent article in the paper claims that business ethics are at an​ all-time low. Reporting on a recent​ sample, the paper clai
Savatey [412]

Answer:

P=0.3726 or 37.26%

Step-by-step explanation:

The success, with 41% of probability of occurring, is that the employee believes the ​ company's president possesses low ethical standards. For more than 8 and less than 12 successes, it means the probability of having  9, 10 or  11 successes (all these summed).

The formula is:

b(x;n,p)= \ _nC_x*p^x*(1-p)^{n-x}

Where x is the number of successes,n the number of trials, p the probability of success,_nC_x refers to the combinations that can occur,  and it's formula is:

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

Calculating each case:

b(9,20,0.41)=\frac{20!}{9!(20-9)!}*0.41^9*(1-0.41)^{20-9}=0.1658

b(10,20,0.41)=\frac{20!}{10!(20-10)!}*0.41^{10}*(1-0.41)^{20-10}=0.1267

b(11,20,0.41)=\frac{20!}{11!(20-11)!}*0.41^{11}*(1-0.41)^{20-11}=0.0801

Adding each case:

P=0.1658+0.1267+0.0801= 0.3726

5 0
3 years ago
Please help me out on some questions...12th grade math..Pleasee help anyone​
gizmo_the_mogwai [7]

If all the angles of the triangle must equal 180, then we have to subtract the 2 known values from 180.

180 - 68.5 - 49.5 = x

62 = x

So that means the missing side is equal to 62!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

6 0
3 years ago
What is the value of x3 + 4, when x = 6?
tresset_1 [31]
Plug in 6 for x
3(6) + 4 = 22
The value if 22, or you can write it like:
f(6) = 22
5 0
4 years ago
Read 2 more answers
Which expression is equivalent to -80?<br> O -4.5<br> O-4.5<br> O 4/5<br> O 4.5
Snezhnost [94]

Answer:

-4/5

Step-by-step explanation:

When you divide -4 from 5 you get -0.80

8 0
3 years ago
Question 12 pts
AlexFokin [52]

The correct option about the proof is C. Both Amanda and Stephen are correct.

<h3>How to illustrate the information?</h3>

It should be noted that both Amanda and Stephan are correct as they are taking two different pairs of supplementary angles.

Amanda's proof is that he takes (∠1 and ∠4) and (∠3 and ∠4)as the supplementary angles and writes ∠1 + ∠4 = 180° and ∠3 + ∠4 = 180°,

Stephan's proof is that he takes (∠1 and ∠2) and (∠3 and ∠4) as the <em>supplementary</em> angle pair.

Therefore, the correct option is C.

Learn more about proof on:

brainly.com/question/1788884

#SPJ1

4 0
1 year ago
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