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Greeley [361]
3 years ago
14

Suppose that two teams are playing a series of games, each of which is independently won by team A with probability p and by tea

m B with probability 1????p. The winner of the series is the rst team to win four games. Find the expected number of games that are played, and evaluate this quantity when p = 1=2.
Mathematics
1 answer:
Artemon [7]3 years ago
5 0

Answer:

vvv

Step-by-step explanation:

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(1+5^2)-16(1/2)^3<br><br> step by step of solving this
riadik2000 [5.3K]

Power: 5 ^ 2 = 25

Add: 1 + 25 = 26

Power: 1

2

^ 3 = 13

23

= 1

8

Multiple: 16 * 1

8

= 16 · 1

1 · 8

= 16

8

= 2 · 8

1 · 8

= 2

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(16, 8) = 8

Subtract: 26 - 2 = 24


7 0
3 years ago
A rectangle has a length (2x−5) and a width of (x−3) . What is the area of the rectangle?
mrs_skeptik [129]

Answer:

2x² - 11x + 15

Step-by-step explanation:

Find the area of the rectangle by multiplying the length and width together, using FOIL

(2x - 5)(x - 3)

Multiply the first terms:

(2x)(x) = 2x²

Multiply the first term in the parentheses by the last term in the second set of parentheses:

(2x)(-3) = -6x

Multiply the second term in the first set of parentheses by the first term in the second set:

(-5)(x) = -5x

Multiply the last terms:

(-5)(-3) = 15

Add these all together, then add like terms

2x² - 6x - 5x + 15

2x² - 11x + 15

So, the area of the rectangle is 2x² - 11x + 15

4 0
3 years ago
Find the value of w and then x. Round lengths to the nearest tenth and angle measures to the nearest degree.
VARVARA [1.3K]

Answer

w=7.6

x=43.7

Step-by-step explanation:

To solve for w you can use Sin(x)=\frac{Opposite}{Hypotenuse}  which would basically be Sin(50)=\frac{w}{10} then solve. Multiply the ten on both sides so you have 10*Sin(50)=w and your final answer is 7.6

To solve for x you can also use Sin(x)=\frac{7.6}{11} then just use Inverse of Sin^-1

The answer is x=43.7

4 0
3 years ago
Read 2 more answers
A girl stands 160 cm tall she stands 360 cm away from a lamp post at night her shadow from the light is 90 cm long how high is t
frozen [14]
1. You should draw a diagram with the information given in the problem. As you can see in the figure attached, there are two triangles, so, you can calculate the height of the lamp post as below:
 
 h1/b1=h2/b2
 
 h1 is the height asked.
 b1=360 cm+ 90 cm
 b1=450 cm
 h2=160 cm
 b2=90 cm
 
 2. When you substitute these values into  h1/b1=h2/b2, you obtain:
 
 h1/450 cm=160 cm/90 cm
 
 3. Now, you must clear the height "h1". Then, you have:
 
 h1=(160 cm)(450 cm)/90 cm
 h1=72000 cm²/90 cm
 h1=800 cm
<span> 
 How high is the lamp post?
</span> 
 The answer is: 800 cm

6 0
4 years ago
Please help.<br> Is algebra.<br> PLEASE HELP NO LINKS OR FILES.<br> I don't want links.
borishaifa [10]
The answer is c




hope that helps :)))
5 0
3 years ago
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