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Tanzania [10]
3 years ago
10

Players a, b, and c toss a fair coin in order. the first to throw a head wins. what are their respective chances of winning

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0
Probability a gets a head  = 1/2
 ..    ..   ..    b ..   ..  ...  ..     =  P(a gets tail) * 1/2  = 1/2 * 1/2 = 1/4
 ..   ... . ..    c  ..  ..  ..  ..  .   = P(and and b gets tail) * 1/2 = 1/4 * 1/2 = 1/8
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For every pound a company spends on advertising, it spends 59 pence on its website. Express the amount spent on advertising to i
Tom [10]

Answer:

100:59

Step-by-step explanation:

1 pound = 100pence

59 pence

100:59

4 0
2 years ago
Given a quadratic function in vertex form:
Alja [10]

Answer:

See below

Step-by-step explanation:

<u>Part A</u>

A vertical stretch takes place when a\cdot f(x) given that  |a| > 1

<u>Part B</u>

A vertical compression takes place when a\cdot f(x) given that 0 < |a| < 1

<u>Part C</u>

A vertical stretch is different than a horizontal compression:

  • In a vertical stretch, the input stays the same, but the output is multiplied by the scale factor
  • In a horizontal compression, the output stays the same, but the input is multiplied by the scale factor

<u>Part D</u>

A reflection across the x-axis means that the output, our y-variable, is the opposite sign. This means that all values of a must be negative such that a\cdot f(x) as mentioned in parts A and B. Also, in part C, since our scale factor is negative, the output is the only one being multiplied by the scale factor.

7 0
2 years ago
The cost of Nate's dinner including a 15% tip was $43.70. What was the cost of dinner alone?
Nookie1986 [14]

Answer:

The cost of dinner alone was $37.145

Step-by-step explanation:

15%=0.15----Convert your percentage into a decimal

43.70*0.15=6.555----Multiply the cost of dinner with the decimal

$43.70-$6.555=$37.145----Subtract the last number(6.555) from the total(43.70) to get the cost of dinner alone of $37.145 -This is making you subtract the percentage from the total!

I hope this helped!

7 0
2 years ago
Social studies Geometry P.11 Similarity and altitudes in right triangles CEZ You have priz If SU = 28 and UV = 6, what is TU? T
Alex777 [14]

Answer:

TU ≈ 12.96

Step-by-step explanation:

Using the Altitude on Hypotenuse theorem

(leg of outer triangle)² = (part of hypotenuse below it) × (whole hypotenuse)

TU² = UV × SU = 6 × 28 = 168 ( take square root of both sides )

TU = \sqrt{168} ≈ 12.96 ( to the nearest hundredth )

7 0
2 years ago
The width of a rectangle varies directly as it’s length. What is the perimeter of a rectangle that is 15 inches long?
olga nikolaevna [1]
45 because, the short side is half of the big size. That might be correct. But I'm almost positive
4 0
3 years ago
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