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aleksandrvk [35]
3 years ago
13

john has a bag that contains one tile for each letter of the alphabet. why is the probability that he will pull out a vowel​

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0

Answer:

19% chance he pulled out aeio and u

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If <img src="https://tex.z-dn.net/?f=f%28x%29%3D3%5Ex" id="TexFormula1" title="f(x)=3^x" alt="f(x)=3^x" align="absmiddle" class=
SOVA2 [1]

$f(x)+f(x+1) \stackrel{1}{=} 3^x+3^{x+1} \stackrel{2}{=} 3^x+3^x\cdot3^1\stackrel{3}{=}3^x+3\cdot3^x\stackrel{4}{=}4\cdot3^x\stackrel{5}{=}4\cdot f(x)

1) Substitution from definition.

2) We use $x^{a+b}=x^a\cdot x^b

3) We are changing the order of 3 and 3^x.

4) We add 1 and 3 3^x and we get 4\cdot 3^x

5) Substitution from definition (but the other way than at the beginning).

8 0
3 years ago
Solve for .<br> 3(A) +1 = 10
Gnesinka [82]

The answer would be A= 3 because, 3x3= 9 then you add 9+1 and get 10

Hope this helps

4 0
4 years ago
Ashley must choose a number between 61 and 107 that is a multiple of 2, 3, and 9. What are the numbers he could choose?
avanturin [10]
72, 80, and 90 are all numbers that fit the rule
7 0
3 years ago
Read 2 more answers
Translate the phrase into a variable expression: twice the sum of a number and 5
DIA [1.3K]

Answer:

'Twice the sum of a number and 5' can be translated into variable expression such as:

  • 2(n + 5)

Step-by-step explanation:

Given the phrase

<em>Twice the sum of a number and 5</em>

First, let us breakdown the English Phrase

Let the number be = n

The sum of a number 'n' and 5 = n + 5

now, twice the sum of a number and 5 can be determined by multiplying (n+5) with 5.

Thus,

'<em>Twice the sum of a number and 5</em>' can be translated into variable expression such as:

  • 2(n + 5)
7 0
3 years ago
The scenic ride up the mountain averages 80 miles per hour the return train ride down the mountain averages 85 miles per hour th
Drupady [299]

speed = distance/time

distance = speed * time

d = st

time up the mountain: t

time down the mountain: 6.6 - t

distance each way: d

Up the mountain:

d = st

d = 80t

Down the mountain

d = st

d = 85(6.6 - t)

The distances are equal, so

80t = 85(6.6 - t)

80t = 561 - 85t

165t = 561

t = 3.4

6.6 - t = 6.6 - 3.4 = 3.2

It takes 3.4 hours up the mountain and 3.2 hours down the mountain.

3.4 hours at 85 mph covers the same distance as 3.2 hours at 85 mph.

3.4 hours * 80 mph = 272 miles

3.2 hours * 85 mph = 272 miles

5 0
4 years ago
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