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elena-14-01-66 [18.8K]
3 years ago
14

A chef boiled 4 eggs and put them in a basket with 8 eggs that were not boiled. All of the eggs look the same. Randy selects an

egg, keeps it, and then selects another egg. Which expression gives the probability that he selects 2 boiled eggs?
A. 4/12*3/11
B. 4/12*4/12
C.4/12*3/12
D.4/12*4/11
Mathematics
2 answers:
tamaranim1 [39]3 years ago
7 0

Answer:

i took the test and its A

Step-by-step explanation:

All together there are 12 eggs total with 4 that are non boiled and 8 that are boiled. If he takes out 2 eggs, it then goes from 12 total eggs to 11 then take 1 away from 4 to have 3 so its A. 4/12 * 3/11

oee [108]3 years ago
5 0
Expression A gives the correct probability.

On the first draw, there is a 4/12 chance of choosing a boiled egg because there are 4 boiled eggs and a total of 12 eggs to choose from.

On the second draw, there is a 3/11 chance of choosing a boiled egg because there are 3 boiled eggs and a total of 11 eggs to choose from.
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You are designing a rectangular and closure with a rectangular sections separated by parallel walls if you have 2500 feet of fen
erica [24]

Answer:

781250

Step-by-step explanation:

Let x = length of fenced side parallel to the side that borders the river

and y = length of each of the other two fenced sides  

Then, x + 2y = 2500

<=>  x = 2500- 2y

Area = xy = y(2500-2y)

            = -y^{2} + 2500y

The graph of the area function is a parabola opening downward.

The maximum area occurs when y = -2500/[2(-2)] = 625

                                             x = 2500-2y = 1250

The maximum area that can be enclosed = xy = 1250*625 = 781250

8 0
3 years ago
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HELP PLEASE 23 POINTS I NEED U RN I NEED U GORL
artcher [175]

Answer:

No

Step-by-step explanation:

He is not correct because paper is a one-denominational surface, and volume only comes from 3 denominational objects.  

6 0
3 years ago
If line T is a transversal of lines I and m, name the angel relationship of the given angle pairs
kolbaska11 [484]

Answer:

  a. corresponding angles (congruent)

  b. alternate exterior angles (congruent)

  c. same-side interior angles (supplementary)

Step-by-step explanation:

The vocabulary associated with angles created by a transversal and parallel lines is not so difficult.

If angles are on the same side of the transversal, they are <em>same-side</em> angles. If not, they are <em>alternate</em> angles.

If angles are between the parallel lines, they are <em>interior</em> angles. If not, they are <em>exterior</em> angles.

If the angles are in the same direction from the point of intersection of the transversal with the parallel line, they are <em>corresponding</em>. Corresponding angles are same-side; one is interior and the other is exterior.

These names generally apply to angles with different vertices.

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a. Both angles are northwest of the intersection point; they are same-side, and one is interior and one is exterior. They are corresponding angles. (congruent)

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b. The angles are on opposite sides of the transversal and are outside the parallel lines. They are alternate exterior angles. (congruent)

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c. The angles are on the same side of the transversal, and both are between the parallel lines. The are same-side interior angles. (supplementary)

3 0
3 years ago
A computer downloaded 20 kilobytes of data in 4 seconds. If it downloads data at a constant speed, it can download ______ kiloby
matrenka [14]

Answer:

75 kB

Step-by-step explanation:

let's say v the speed of transmission

v=20kB/4s=5 kB/s

Data downloaded =v*t=5kB/s*15s= 75 kB*s/s= 75 kB.

4 0
2 years ago
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The area of the regular octagon is approximately 54 cm2. A regular octagon has an apothem with length 4 centimeters and an area
ExtremeBDS [4]

Answer:

The length of line segment AB = 3.4 cm.

Step-by-step explanation:

Given:

The area of the regular octagon is approximately = 54 cm²

A regular octagon has an apothem with length =  4 cm

AB = side of the octagon

To Find:

AB = side of the octagon = ?

Solution:

A regular octagon has an Eight  equal Side

We Know that,

\textrm{area of regular octagon}=\textrm{Perimeter}\times \frac{Apothem}{2}

substituting the given values in equation we get

54 = Perimter\times \frac{4}{2}\\ \\\therefore Perimeter=\frac{54}{2}\\ \\\therefore Perimeter = 27\ cm\\

Now,

     Perimeter = 8 × Side

∴    Perimeter = 8 × AB

∴               27  = 8 × AB

∴    AB =\frac{27}{8}\\ \\\therefore AB =3.375\ cm\\\\

After rounded to nearest 10th we get

AB =3.4 cm

The length of line segment AB = 3.4 cm.

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4 years ago
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