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Alchen [17]
2 years ago
6

Define the measure of an angle.

Mathematics
1 answer:
amid [387]2 years ago
3 0

Answer:

Angle measure can be defined as the measure of the angle formed by the two rays or arms at a common vertex.

Step-by-step explanation:

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Hi can you please help and do the ones in red i got them wrong copy and paste then add your answer :)
max2010maxim [7]

Answer:

1. 14

2. 10

3. 7:6

5. 21

6. 10:7

I cant see 7-10

3 0
3 years ago
Please help me out with this math problem
Novosadov [1.4K]
Answer: 74.8%

This answer is approximate.
The value is rounded to the nearest tenth of a percent.

==========================================

Explanation:

Let,
X = area of the larger circle
Y = area of the smaller circle
Z = area of the shaded region = X - Y

The goal is to compute the ratio Z/X to get the answer we want

Let's find area of the larger circle
Area of circle = pi*(radius)^2
A = pi*r^2
X = pi*8.01^2
X = 64.1601pi
This is the exact area in terms of pi

Now repeat for the smaller circle
A = pi*r^2
Y = pi*4.02^2
Y = 16.1604pi

Subtract those results to find the value of Z
Z = X-Y
Z = 64.1601pi-16.1604pi
Z = 47.9997pi
This is the exact area of the red donut region

Divide Z over X to get the probability of landing in the red region
Z/X = (47.9997pi)/(64.1601pi)
Z/X = (47.9997)/(64.1601) <--- note how the pi terms cancel
Z/X = 0.74812 which is approximate

Convert to a percent
Move the decimal point 2 spots to the right
0.74812 ---> 74.812%

Then round this to one decimal place
74.812% ---> 74.8%

5 0
3 years ago
This is for my friend so
Alex
What do you need help wiht ?
It’s practically d
5 0
2 years ago
Match these non-parametric statistical tests with their parametric counterpart by putting the corresponding letter on the line.
algol13

Answer:

  • A. Paired-sample t-test.   ---   Wilcoxon Signed-Ranks T test
  • B. Independent-sample t-test.   ---  Mann-Whitney U test
  • C. One-way ANOVA, independent samples.   ---   Kruskal-Wallis H test
  • D. One-way ANOVA, repeated measures.  ---   Friedman test

Step-by-step explanation:

  • The nonparametric statistics is a branch of statistics, that seeks out the population distribution that is either being distributed freely or specifically.  
  • Wilcoxon Signed-Ranks T-test is a hypothesis test used to compare the two or pre related columns that can be matched and maybe a repeated measure on a single sample.
  • The Mann-Whitney U test is a null hypothesis and states the probability of a random sample of X and Y from the population is greater than the X and that Y is greater than X.
  • Kruskal-Wallis H test is a test of one variance analysis and tests that sample originates from the same distribution.
  • The  Friedman test is used to find treatment across multiple tested attempts. It involves the ranking of the rows and then considering the values of the column.

5 0
3 years ago
Un inventor recibe ofertas de dos compañías por su tecnología y tiene que decidir cuál es la mejor oferta, tomando como punto de
laiz [17]

Answer:

La oferta 2 oferce el mayor valor final. Es la que debería ser aceptada.

Step-by-step explanation:

Dada la siguiente información:

Oferta 1:

$150.000 hoy y $200.000 dentro de 10 años.

Oferta 2:

$30.000 al final de cada uno de los próximos 10 años.

Tasa de interés= 14%

<u>Para decidir cuál de las dos ofertas es mejor, debemos calcular el valor final:</u>

<u>Oferta 1:</u>

VF= VP*(1+i)^n

VF= 150.000*(1,14^10) + 200.000

VF= $2.261.523,48

 

<u>Oferta 2:</u>

VF= {A*[(1+i)^n-1]}/i

A= cash flow anual

VF= {30.000*[(1,14^20) - 1]} / 0.14

VF= $2.730.747,83

6 0
3 years ago
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