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3 years ago

Angle I and N are complementary. If angle N has a meause of 48 degrees, find the measure of angle I

Mathematics

2 answers:

Afina-wow [57]3 years ago

8 0

Answer:

42°

Step-by-step explanation:

Complementary angles are two angles that add up to 90°

1) 90-48 = 42

Hope this helps! :)

photoshop1234 [79]3 years ago

4 0

Answer:

angle I = 42 degree

Step-by-step explanation:

In complementary angles sum of two angles ia always 90 degree.

angle I +angle N=90 degree (since they are complementary)

substitute the value of angle N

angle I + 48 = 90

angle I = 90 -48

angle I =42 degree

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Consider a political discussion group consisting of 8 Democrats, 5 Republicans, and 5 Independents. Suppose that two group mem

Leya [2.2K]

Answer:

The probability of selecting two Independents is $\frac{10}{153}$ .

Step-by-step explanation:

From the given information it is clear that:

Democrats = 8

Republicans = 5

Independents = 5

Total number of member in the group is

$8+5+5=18$

We need to find the probability of selecting two Independents.

According to binomial distribution the total number of ways to select r items form n items is

$^{n}C_r=\frac{n!}{r!(n-r)!}$

Total number of ways to select 2 members from 18 members is

$\text{Total possible outcomes}=^{18}C_2=\frac{18!}{2!(18-2)!}=153$

Total number of ways to select 2 members from 5 Independents is

$\text{Favorable outcomes}=^{5}C_2=\frac{5!}{2!(5-2)!}=10$

The probability of selecting two Independents is

$p=\frac{\text{Favorable outcomes}}{\text{Total possible outcomes}}$

$p=\frac{10}{153}$

Therefore the probability of selecting two Independents is $\frac{10}{153}$ .

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3 years ago

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3 years ago

4.9 convert it fraction

mariarad [96]

4.9 convert it fraction = 49/10

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3 years ago

Read 2 more answers

1. What is the mean of the data set?

enyata [817]

Answer:

1. mean is 17.4

2. interquartile range is 30

3. mean absolute deviation is 3

4. median is 51

Step-by-step explanation:

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3 years ago

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Draw a line segment 7cm long .

White raven [17]

Answer:

The line segment 7 cm long is shown below.

Step-by-step explanation:

First we draw a line line segment whose length is 7 cm long. Then we divide the line in small parts.

The length of each part is 1 cm.

Six points on the line segment divides the line in 7 equal parts and length of each part is 1 cm.

From the figure it is noticed that we have total 7 small parts and length of each part is 1 cm. So length of 7 parts is

$7\times 1=7$

Hence the total length of line is 7 cm.

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3 years ago