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masya89 [10]
2 years ago
15

Jed places the letters A, B, C, D, E, F, G, H and I into a bag and picks 2 at random. What is the probability he chooses at leas

t 1 vowel?
Mathematics
1 answer:
Nadya [2.5K]2 years ago
5 0

Answer:

<h2>0.583333333333</h2>

Step-by-step explanation:

we have 9 letters

3 vowels: A , E , I

6 consonant: B, C, D, F, G , H

Consider the event V : «choosing at least 1 vowel»

\Longrightarrow \overline{V} \  \colon \  \text{choosing 2 consonant}

p(V) =1-p\left( \overline{V} \right)  =1-\frac{C^{2}_{6}}{C^{2}_{9}}=0.583333333333

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Round your answer to the nearest tenth if necessary. Use 3.14 for .
harina [27]

Answer:

\boxed{\rm \: Volume_{(Drum)} = 5024 \: in {}^{3} }

Step-by-step explanation:

Given :

  • Diameter of a drum = 20 inches
  • Deep ( height ) of the drum = 16 inches
  • π = 3.14

To Find:

The volume of the drum.

Solution:

We all know that drum is cylindrical.So we'll use the formulae of the volume of cylinder,to find its volume.

\boxed{\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h}

Where,

  • r = radius
  • h = height (deep)
  • π = 3.14

The value of radius ain't given,but the diameter is given.We can use the formulae of radius.

\rm \: Radius = D/2

  • D = diameter

Substitute the value of diameter:

\rm \: Radius =  \cfrac{20}{2}  = 10

Hence,the radius is 10.

So we could now use the formulae of the volume of cylinder:

\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h

  • π = 3.14
  • r =10 in
  • h = 16 in

<em>[Firstly bring the answer in terms of π then plug π = 3.14 and then simplify.]</em>

\rm \: Volume_{(Drum)} = \pi(10) {}^{2} (16)

\rm \: Volume_{(Drum)} =\pi100(16)

\rm \: Volume_{(Drum)} = 1600\pi

\rm \: Volume_{(Drum)} = 1600 \times 3.14

\boxed{\rm \: Volume_{(Cylinder)} = 5024 \: in {}^{3}}

<u>Hence, we can conclude that:</u>

The volume of this drum is 5024 in^3.

8 0
2 years ago
Thr profits in December were 5 times the profits in June. If Decembers profit were $3455 how much were thw profits in June?
dedylja [7]
Your Question:
Thr profits in December were 5 times the profits in June. If Decembers profit were $3455 how much were thw profits in June? Our Teams Answer: $3,455 divided by 5 so your answer would be $691

Our Teams aim's to please and We are happy to help! Its the answer is wrong please notify us quickly for we can fix it quickly! Thanks :)

-ExperimentsDIY
7 0
4 years ago
Read 2 more answers
Need help with this pls
34kurt

Answer:

Answer:

SORRY

Step-by-step explanation:

ANSWER

Step-by-step explanation:

Answer:

SORRY

Step-by-step explanation:

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6 0
3 years ago
What single decimal multiplier would you use to decrease by 3% followed by a 4% increase?<br>​
34kurt

Answer:

The single decimal multiplier is 26%.

Step-by-step explanation:

Since we have given that

You use to increase by 5% followed by 20% increase.

So, the single decimal multiplier would be

Hence, the single decimal multiplier is 26%.

4 0
3 years ago
1584 feet in 3 min 1 mile in
kvv77 [185]
1 mile is 5280ft so divide 1584 and 5280. you would get 3 infinite so the answer is 9minutes and 20 seconds
3 0
3 years ago
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