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vodomira [7]
3 years ago
8

How many degrees in a triangle

Mathematics
2 answers:
Maurinko [17]3 years ago
8 0

Answer:

180 degrees are in a triangle.

AlexFokin [52]3 years ago
5 0
There are 180 degrees in a triangle.
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Find (a) the number of subsets and (b) the number of proper subsets of the set.
vaieri [72.5K]

Answer:

(a) Total No. of Subsets = 128

(b) Total No. of Proper Subsets = 127

Step-by-step explanation:

First we need to define the set of days of the week.

Set of Days of Week = {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday}

It is evident from the set of days of the week, that it contains 7 elements.

(a)

The total no. of subsets of a given set is given by the following formula:

Total No. of Subsets = 2^n

where,

n = no. of elements of the set = 7

Therefore,

Total No. of Subsets = 2^n

Total No. of Subsets = 2^7

<u>Total No. of Subsets = 128</u>

(b)

The total no. of proper subsets of a given set is given by the following formula:

Total No. of Proper Subsets = (2^n) - 1

where,

n = no. of elements of the set = 7

Therefore,

Total No. of Proper Subsets = (2^n) - 1

Total No. of Proper Subsets = (2^7) - 1 = 128 - 1

<u>Total No. of Proper Subsets = 127 </u>

3 0
3 years ago
.........................................................................................................
gogolik [260]

Answer:

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Step-by-step explanation:

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X =2y - 4 <br> x + 5y = -66<br> what is the x - value of the solution to this system of equation
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Answer:x=-8 and y=-2

Step-by-step explanation:plug in for x.7(2y-4)+5y=6-6614y-28+5y=-6619y-28+-6619y=-38y=-2put it back in.

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How do you find the mode median the mean to range in stem and leaf plots
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Find the equation of the line that has slope -5 and passes through the point (1,-7)
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Step-by-step explanation:

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