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vladimir1956 [14]
3 years ago
11

The function F is defined for all positive integers n by the following rule: f(n) is the number of positive integer each of whic

h is less than n, and has no positive factor in common with n other than 1. If p is any prime number then f(p)=
A. p-1
B. p-2
C. (p+1)/2
D. (p-1)/2
E. 2
Mathematics
1 answer:
Ivan3 years ago
7 0

Answer:

E. 2

Step-by-step explanation:

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Measure the following angles using a protactor and classify them as acute, obtuse, or right angle/s.
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Answer:

acute right  acute obtuse obtuse acute

Step-by-step explanation:

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you burn 200 calories by walking for 60 minutes how many calories will you burn if you walk 12 minutes?​
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16.666

Step-by-step explanation:

divid 200 by 12

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3 years ago
The diameter of a circle has endpoints A(1, 3) and B(4, 7), what is the
lana [24]

Answer:

The circumference of the circle is 5π

Step-by-step explanation:

First we need to calculate the diameter  

for this we have to know the distance between A(1, 3) and B(4, 7)

X =  Xb - Xa

X = 4 - 1

X = 3

Y = Yb - Ya

Y = 7 - 3

Y = 4

b - a = (3 , 4)

now that we have the distance of x and r we can calculate its distance using Pythagoras

h = hypotenuse

x = leg 1 = 3

y = leg 2 = 4

h² = x² + y²

we replace the known values

h² = (3)² + (4)²

h² = 9 + 16

h² = 25

h = √25

h = 5

The diameter of the circle is 5

Now we need to calculate the circumferencefor this we need to use the circumferenc formula of a circle:

c = circumference

d = diameter = 5

π = pi

c = π * d

we replace with the known values

c = 5  * π

c = 5π

The circumference of the circle is 5π

4 0
4 years ago
How do I find the area of a triangle with a base of 3 and height of 6
Schach [20]
You can multiply 3 and 6 together then divide the product by 2
(6*3)/2=18/2=9
6 0
4 years ago
Which of the following system of linear inequalities is represented by the solution graphed below
12345 [234]

Answer:

C

Step-by-step explanation:

The wanted region(shaded part)..is greater or equal to 2 due to the bold line...so hence the first inequality is....y is greater than or equal to 2

And the second solution....is y is less than x because of the continuous broken line...hence it cant be less than or equal to

5 0
3 years ago
Read 2 more answers
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