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VARVARA [1.3K]
3 years ago
12

1. The chance of heads of a random coin is picked according to the beta (1,1) distribution. For each part, you must show work or

reference a relevant section of the textbook. a) Find P(first toss is heads). b) Find P(first toss is heads, second toss is tails). c) Compare your answer in part b to the chance of {first toss is heads, second toss is tails} given that you are tossing a fair coin twice. Is it larger or smaller

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

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Solve for y if: x=2 y=5x+3
nika2105 [10]
Substitute in x = 2:

y = 5(2) + 3

y = 10 + 3

y = 13
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3 years ago
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You paint 1/3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall?
jeka57 [31]
It will take you 3/4 of an hour, or 45 minutes to paint 1 wall.
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Solve using Substitution y = 6x - 11 -2x - 3y = -7
vladimir2022 [97]

Answer:

(2, 1)

Step-by-step explanation:

To solve by substitution, we solve one equation for one of its variables and then substitute the solved value for that variable into the other equation. Because this system of equations already has one solved for the variable, this makes our job much easier. We only need to implement the solved value for y into the other equation and solve for x.

y = 6x - 11

-2x - 3(6x - 11) = -7 Distribute.

-2x - 18x + 33 = -7 Combine like terms.

-20x + 33 = -7 Subtract 33 from both sides of the equation.

-20x = -40 Divide by -20 on both sides of the equation.

x = 2

Then, with this value, we will place it into the equation that was already solved for y in order to get a definite value for y.

y = 6(2) - 11

y = 12 - 11

y = 1

Using this information, the coordinate pair for this equation (the point of intersection between the two lines) is (2, 1).

4 0
3 years ago
What are the missing parts that correctly complete the proof
bonufazy [111]

Answer:

2. \overline{AX}\cong \overline{BX}

3. PX \perp AB - definition of perpendicular

4. \angle PXA \cong \angle PXB - all right angles are congruent

6. \triangle AXP\cong \triangle BXP

7. \overline{PA} \cong \overline{PB}

Step-by-step explanation:

<u>Given: </u>Point P is the perpendicular bisector of AB

<u>Prove: </u>P is equidistant from the endpoints AB

<u>Proof.</u>

1. Point P is on the perpendicular bisector of AB - given

2.\overline{AX}\cong \overline{BX} - definition of bisector

3. PX \perp AB - definition of perpendicular

4.  \angle PXA \cong \angle PXB - all right angles are congruent

5. \overline{PX} \cong \overline{PX} - reflexive property of congruence

6. \triangle AXP\cong \triangle BXP - SAS congruency postulate

7. \overline{PA} \cong \overline{PB} - corresponding parts of congruent triangles are congruent

8. Point P is equidistant from the endpoints of AB - definition of equidistant

5 0
3 years ago
What shape best describes the cross-section cut at an angle to the base of a right rectangular prism?
DanielleElmas [232]
I think it would be a triangle, because they said it would be cut at an angle.
7 0
3 years ago
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