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s344n2d4d5 [400]

3 years ago

6

HELP ME PLEASEEEEEEEEEEE

2 answers:

Digiron [165]3 years ago

8 0

Answer:

p is equal ro 12

Step-by-step explanation:

4=p-8

add 8 to both sides and you get 12=p

postnew [5]3 years ago

5 0

Answer:

12

Step-by-step explanation:

12-8=4

p=12

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3 years ago

Describe how you regroup When you find the sum of 64+43

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64 + 43 = 107
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4 0

3 years ago

Read 2 more answers

Exercise 12.1.1: Coin flips and events. About A coin is flipped four times. For each of the events described below, express the

butalik [34]

Answer:

a $Pr = 0.25$

b $Pr = 0.50$

c $Pr = 0.1875$

Step-by-step explanation:

Given

$n = 4$ --- number of times

$r = 2$ --- faces of a coin

First, is to determine the sample size.

This is calculated as:

$Size =r^n$

$Size =2^4$

$Size =16$

Solving (a): First and last slip is head

This event is represented as:

$E=\{HHHH, HHTH, HTHH, HTTH\}$

The probability is calculated as:

$Pr = \frac{n(E)}{Size}$

$Pr = \frac{4}{16}$

$Pr = 0.25$

b) At least 2 consecutive flips that is heads.

This event is represented as:

$E=\{HHHH,HHHT,HHTH,HHTT,THHH,THHT,HTHH,TTHH\}$

The probability is calculated as:

$Pr = \frac{n(E)}{Size}$

$Pr = \frac{8}{16}$

$Pr = 0.50$

c) First is tail and at least 2 consecutive flips is head.

This event is represented as:

$E=\{THHH,THHT,TTHH\}$

The probability is calculated as:

$Pr = \frac{n(E)}{Size}$

$Pr = \frac{3}{16}$

$Pr = 0.1875$

8 0

2 years ago

Find the sum of the geometric sequence 3 + 9 + 27 + 81.

Diano4ka-milaya [45]

Answer:

120

Step-by-step explanation:

3+9= 12

12+27= 39

39+81= 120

4 0

3 years ago

Solve the following equation for y <br> 3x+6y=12

Galina-37 [17]

<u>3x + 6y = 12</u>

Subtract 3x from each side: 6y = -3x + 12

Divide each side by 6 : <em> y = -1/2x + 2</em>

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3 years ago