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alexandr1967 [171]
2 years ago
6

A teacher randomly chooses a two-person leadership team from a group of four qualified students. Three of the

Mathematics
1 answer:
Slav-nsk [51]2 years ago
3 0

Answer:

what is P(A), the probability that the first student is a boy? 3/5


what is P(B), the probability that the second student is a girl? 3/4


what is P(A and B), the probability that the first student is a boy and the second student is a girl? 1/2


No, évents A and B are not independent events

Step-by-step explanation:

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In the diagram below, value of x is: <br><br> A. 11 <br><br> B. 55<br><br> C. 5<br><br> D. 35
koban [17]
Sum of complementary angles = 90
so
5x + 35 = 90
5x = 90 -35
5x = 55
x = 11

answer is A. 
x = 11
3 0
3 years ago
50 POINTS
Tcecarenko [31]

Answer:

<u>Part 1: C. $3,159.30</u>

<u>Part 2. C. –5; –135; –10,935</u>

Step-by-step explanation:

Part 1:

Price of the boat = $ 16,600

Depreciation rate = 14% = 0.14

Time of utilization of the boat = 11 years

Price of the boat after 11 years = Original price * (1 - Depreciation rate)^Time of utilization of the boat

Price of the boat after 11 years = 16,600 * (1 - 0.14)¹¹

Price of the boat after 11 years = 16,600 * 0.1903

<u>Price of the boat after 11 years = $ 3,159.30</u>

Part 2:

Let's find out the first term of the sequence given:

A(1) = -5 * 3¹⁻¹

A(1) = -5 * 1

A(1) = -5

Let's find out the fourth term of the sequence given:

A(4) = -5 * 3⁴⁻¹

A(4) = -5 * 3³

A(4) = -5 * 27

A(4) = -135

Let's find out the eighth term of the sequence given:

A(8) = -5 * 3⁸⁻¹

A(8) = -5 * 3⁷

A(8) = -5 * 2,187

A(8) = -10,935

4 0
3 years ago
What is 80% of 960? Round to the nearest hundredth (if necessary).
Tatiana [17]

Answer:

Step-by-step explanation:

you could do (960/100)*80=768

8 0
3 years ago
Read 2 more answers
What is -4.5= a - 8
murzikaleks [220]

Answer:

Step-by-step explanation: -4.5=a-8

1. add 8 to both sides -4.5+8= 3.5

2. since you added 8 to negative 8 you get zero so it just goes away

3. ANSWER= 3.5=a

7 0
3 years ago
Read 2 more answers
You scored 12, 8, 15, and 21 points during your first four basketball games. Find your mean score per game
lapo4ka [179]

Given:

You scored 12, 8, 15, and 21 points during your first four basketball games.

To find"

The mean score per game.

Solution:

We have,

Observations =12, 8, 15, and 21 points

Number of observations = 4

We know that,

\text{Mean}=\dfrac{\text{Sum of the observations}}{\text{Number of observations}}

The mean score per game is

\text{Mean}=\dfrac{12+8+15+21}{4}

\text{Mean}=\dfrac{56}{4}

\text{Mean}=14

Therefore, the mean score per game is 14 points.

5 0
3 years ago
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