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Kaylis [27]
3 years ago
8

PLEASE HELP !!! URGENT

Mathematics
2 answers:
balandron [24]3 years ago
8 0

Answer:

The answer is B--> 111 degrees

MA_775_DIABLO [31]3 years ago
6 0

Answer:

Here

X=75+36(Exterior angle of a triangle is equal to sum of interior opposite angle)

X=111

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-20 = x/8 -8) oh ya and please subscribe to michadsen tv
Zinaida [17]

-20 = x/8 -8) oh ya and please subscribe to iwpp

7 0
4 years ago
A standard six-sided die was rolled a number of times, and the results were recorded in the table below. Use this information to
Maru [420]

Answer:

<em></em>P(Even) = 0.547<em></em>

<em></em>

Step-by-step explanation:

Given

\begin{array}{ccccccc}{Sides} & {1} & {2} & {3} & {4} & {5} & {6} \ \\ {Freq} & {42} & {51} & {39} & {52} & {44} & {48} \ \end{array}

Required

P(Even)

The even sides are: 2, 4, 6

So:

P(Even) = P(2) + P(4) + P(6)

This is then calculated as:

P(Even) = \frac{n(2)}{Total} + \frac{n(4)}{Total} + \frac{n(6)}{Total}

Replace n(2), n(4), n(6) with their frequencies

P(Even) = \frac{51}{Total} + \frac{52}{Total} + \frac{48}{Total}

The total frequency is:

Total =42+51+39+52+44+48

Total =276

So:

P(Even) = \frac{51}{Total} + \frac{52}{Total} + \frac{48}{Total}

P(Even) = \frac{51}{276} + \frac{52}{276} + \frac{48}{276}

Take LCM

P(Even) = \frac{51+52+48}{276}

P(Even) = \frac{151}{276}

<em></em>P(Even) = 0.547<em> --- approximated</em>

8 0
3 years ago
Hello can you please help me posted picture of question
yulyashka [42]
Total number of members = 12
Members to choose at a time = 2

This is a combination problem and we are to find the combination of 12 objects taken 2 at a time i.e. we are to find 12C2

12C2 = 66

So, there are 66 ways of selecting a president and vice president. 

Therefore, the correct answer is option D
7 0
3 years ago
Use the fact that the world population was 2560 million in 1950 and 3040 million in 1960 to model the population of the world in
zimovet [89]

Answer:

The populaton in year 1991 will be of 5178.9 million of people

and the population in year 2020 will be of 8524.60 million of people

Step-by-step explanation:

We measure the time t in years and let t=0 in the year 1950.

We measure the population P(t) in millions of people, then P(0)=2560 and P(10) = 3040.

Since we are assuming that dp/dt=kP, this theorem gives the following.

P(t) = P(0)e^{kt}= 2560e^{kt}

P(10) = 2560 e^{10k} = 3040

k=\frac{1}{10} ln (3040/2560) = 0.0171

The relative growth rate is about 1.7% per year and the model is

P(t) = 2560e^{0.017185t}

<em>Year 1991 is equal in our formula to 41 and year 2020 is equal to 70. </em>Replacing,

P(41) = 2560e^{0.017185(41)}=5178.89

P(70) = 2560e^{0.017185(70)}=8524.60

Therefore the populaton in year 1991 will be of 5178.9 million of people and the population in year 2020 will be of 8524.60 million of people

6 0
3 years ago
82 rounded to the nearest ten
Mrrafil [7]
80
because 2 rounds down

3 0
3 years ago
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