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Elden [556K]
3 years ago
7

you have 5 cards, each with a different vowel on it. you select one card, then another without replacement. find P(a, then e)

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0

Answer:

p(a)=1/5

p(e)=1/4

Step-by-step explanation:

There are 5 vowels: a, e, i, o, u.

The probability of a is 1/5 or 20%.

Then without replacement there are 4 cards left.

The probability of e becomes 1/4 or 25%

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Reduce to simplest form.
Shkiper50 [21]

Answer:

  11/6

Step-by-step explanation:

  \dfrac{6}{3}+\left(-\dfrac{1}{6}\right)=\dfrac{12}{6}-\dfrac{1}{6}=\dfrac{12-1}{6}\\\\=\boxed{\dfrac{11}{6}}

As a mixed number, this is 1 5/6.

3 0
3 years ago
The base of a parallelogram is 21 yards. Find the height if the area of the parallelogram is 525 square
11Alexandr11 [23.1K]

Answer:

25 yards

Step-by-step explanation:

A parallelogram is a quadrilateral (a four sided object) with parallel sides

Some of the characteristics of a parallelogram includes :

  1. Opposite sides  and angles are congruent .
  2. Opposite angels are congruent (D = B).
  3. Consecutive angles are supplementary (A + D = 180°).  
  4. The diagonals bisect each other

Area of a parallelogram = base x height

Area = 525

base = 21 yards

height = ?

525 = 21 x height

divide both sides of the equation by 21 to find the value of the height

525 / 21 = height

height = 25 yards

5 0
3 years ago
64x-16 I need 3 equivalent expressions
Daniel [21]

Answer:

8 (8x - 2)

(64) x X - 16

4 (16 x- 4)

Step-by-step explanation:

6 0
2 years ago
A pentagon is formed by connecting the tips of a starfish's leds, as shown below
Igoryamba

Answer:

The area is 161

Step-by-step explanation:

brainliest?

7 0
3 years ago
Blain is two years older than three times Jillians age. Jillian is also 16 years younger than Blain. How old is Blain?
Ipatiy [6.2K]

The age of Blain is 23 years old

<h3><u>Solution:</u></h3>

Let the age of Blain be "a" and age of Jillian be "b"

Given that Blain is two years older than three times Jillians age

So we can frame a equation as:

age of blain = 2 + 3(age of Jillian)

a = 2 + 3b ----- eqn 1

Also given that Jillian is also 16 years younger than Blain

Age of Jillain = Age of Blain - 16

b = a - 16 ---- eqn 2

Substitute eqn 2 in eqn 1

a = 2 + 3(a - 16)

a = 2 + 3a - 48

a - 3a = -46

-2a = -46

a = 23

Thus the age of Blain is 23 years old

4 0
3 years ago
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