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dalvyx [7]
3 years ago
7

What kind of triangle is it?^^^

Mathematics
2 answers:
masya89 [10]3 years ago
8 0
Acute because there isn't any angle that's about 90 degrees
notka56 [123]3 years ago
3 0
Because all of the angles are less than 90 degrees, the answer is an acute triangle because acute triangle's angles are all less than 90 degrees. 
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Permutations vs combinations(one step):
Bogdan [553]

Answer:

the expression is: ^{15}P_3=\frac{15!}{(15-3)!}

and 2730 different ways are possible.

Step-by-step explanation:

In the given question we have to choose a president, vice

president, and secretary.

Permutations are used when order is important so, as in the given question order is required. We would use permutations

The formula used is: ^nP_r=\frac{n!}{(n-r)!} where:

n=total number of objects

r=number of objects selected

In our case: n=15, r=3

Putting values and finding the answer:

^nP_r\\^{15}P_3=\frac{15!}{(15-3)!} =2730 \ ways

So, the expression is: ^{15}P_3=\frac{15!}{(15-3)!}

and 2730 different ways are possible.

7 0
3 years ago
If m<2 =3x + 14 and m<7 =5x -60 then find the measure of angle 3
r-ruslan [8.4K]

Answer:

∠ 3 = 55°

Step-by-step explanation:

∠ 2 and ∠ 7 are corresponding angles and are congruent, then

5x - 60 = 3x + 14 ( subtract 3x from both sides )

2x - 60 = 14 ( add 60 to both sides )

2x = 74 ( divide both sides by 2 )

x = 37

∠ 2 = 3x + 14 = 3(37) + 14 = 111 + 14 = 125°

∠ 2 and ∠ 3 are adjacent angles on a straight line and sum to 180° , so

125° + ∠ 3 = 180° ( subtract 125° from both sides )

∠ 3 = 55°

7 0
3 years ago
Find the simple interest on £120,000.00 for 5 months at 12% per annum​
Vinil7 [7]

Answer:

£6,000

Step-by-step explanation:

<u>Use the simple interest formula:</u>

I = Prt

I = (Principal Value)*(Annual Interest Rate)*(Time in Years)

I = (120000)(0.12)(5/12)

I = 6000

Therefore, the simple interest is £6,000

3 0
3 years ago
There are 12 face cards in a deck of standard playing cards and 20 even numbered cards (2; 4; 6; 8; 10 in each suit). what is th
FromTheMoon [43]
The probability of drawing a face card is 12/52
the probability of drawing an even number is 20/52
face cards and even numbered cards do not overwrap, so no need to subtract anything
Add up: 12/52+20/52=32/52=0.6154
5 0
3 years ago
What is the regular price of the jacket?
fomenos
Hello There!

It would be $60

Hope This Helps You!
Good Luck :) 

- Hannah ❤
4 0
4 years ago
Read 2 more answers
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