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WINSTONCH [101]
3 years ago
9

English has $6$ letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll

consider Y a vowel.
The other $20$ English letters are always consonants.


How many two-letter "words" can we make from these letters if we are required to use at least one vowel? (We aren't limited to words that have an actual meaning in English. Thus, for this problem, we'll include nonsense "words" like QO, XY, and UZ.)
Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0
This question is asking 20P6,because the smaller number is always at the end.So just do 20 times 19 times 18 times 17 times 16 times 15.The answer will be probably wrong because I'm dumb but it might work
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xxTIMURxx [149]

Answer:

Therefore,

AD = 7 unit

AE = 600 unit

EF = 30 unit

FB = 5 unit

Ar(EFGH)= 210 unit²

Ar(ABCD)= 4445 unit²

Step-by-step explanation:

Given:

Consider a rectangle ABCD as shown in the figure below where,

Area (ABCD) = 635 × 7 = 4445

Therefore length and width of a rectangle will be

LENGTH =635 = AB

WIDTH  = 7 = AD

To Find:

AE =?

EF = ?

FB = ?

Ar(EFGH)=?

Ar(ABCD) =?

Solution:

We know that area of the rectangle is given by

\textrm{Area of rectangle}= LENGTH\times WIDTH

\textrm{Area of rectangle ABCD}= 635\times 7=4445\ unit^{2}

Substituting the values we get

\textrm{Area of rectangle AEHD}= AE\times 7\\\\4200=AE\times 7\\\therefore AE=\dfrac{4200}{7}=600

Similarly for area rectangle FBCG,

\textrm{Area of rectangle FBCG}= FB\times 7\\\\35=FB\times 7\\\therefore FB=\dfrac{35}{7}=5

Now we have

AB = 635,

AE + EF + FB = 635\\\\600+EF+5=635\\\\EF=635 -605=30\\\therefore EF = 30

Similarly for area rectangle EFGH,

\textrm{Area of rectangle EFGH}= EF\times 7\\\\=30\times 7=210\ isunit^{2}

Therefore,

AD = 7 unit

AE = 600 unit

EF = 30 unit

FB = 5 unit

Ar(EFGH)= 210 unit²

Ar(ABCD)= 4445 unit²

5 0
3 years ago
Read 2 more answers
A where and a cylinder have the same radius and height . The volume of the cylinder is 48 cm 3. What is the volume of the sphere
SOVA2 [1]

Given:

Sphere and cylinder have same radius and height.

Volume of the cylinder = 48 cm³

To find:

The volume of the sphere.

Solution:

Radius and height of cylinder are equal.

⇒ r = h

Volume of cylinder:

V=\pi r^2h

Substitute the given values.

48=\pi r^2r   (since r = h)

48=\pi r^3

48=3.14 \times r^3

Divide by 3.14 on both sides.

$\frac{48}{3.14} =\frac{3.14\times r^3}{3.14}

$15.28=r^3

Taking cube root on both sides, we get

2.48 = r

The radius of the cylinder is 2.48 cm.

Sphere and cylinder have same radius and height.

Volume of sphere:

$V=\frac{4}{3} \pi r^3

$V=\frac{4}{3} \times 3.14 \times (2.48)^3

V=63.85

The volume of the sphere is 63.85 cm³.

6 0
4 years ago
On a coordinate plane, a line goes through (0, 0) and (2, negative 2).
eimsori [14]

Answer:

Ik im probably late but for those who may need it in the future. (3,-2)

Step-by-step explanation:

5 0
3 years ago
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Please help if your right ill rate you 5 stars and Brainiest!
BabaBlast [244]

Answer:

b) (4,-3) good luck with the rest

8 0
3 years ago
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What is 362584 rounded to the nearest ten thousand
Margarita [4]
I think it is 363,000
8 0
3 years ago
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