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3 years ago

2) Find the missing measure. Show your work. X = 130°

Mathematics

2 answers:

Marat540 [252]3 years ago

8 0

Answer:25

Step-by-step explanation:

alright so the triangle theorem states that all of the angles of a triangle add up to 180. we already of 130 so we take away 130 from 180 to get 50. If you see the two little lines on the triangles sides opposite of the two angles that we are missing then you can tell by those lines that the angles opposite of them are equal to each other. So you divide 2 from 50 to get 25 which is the value of x. Hope you understand this (:

Veronika [31]3 years ago

5 0

Answer:

The missing angle I believe is 25%.

Step-by-step explanation:

180-130=50

Divide 50 by 2 and it equals 25. 25 degrees for each angles.

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Three decreased by eleven times a number

Vadim26 [7]

Step-by-step explanation:

3 - 11x

x is "a number".

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2 years ago

The manager of an accounting department wants to form a two

Y_Kistochka [10]

Answer: 153

Step-by-step explanation:

When we have a group of N elements, the total number of combinations of K elements ( K ≤ N) is:

$C (N, K) = \frac{N!}{(N-k)!*K!}$

Where N! = N*(N - 1)*(N - 2)*...*2*1

In this case, we have a group of 18 people (then N = 18) and we want to see how many different combinations of 2 we can make (K = 2).

Using the above equation we get:

$C(18, 2) = \frac{18!}{(18 - 2)!*2!} = \frac{18!}{16!*2!} = \frac{18*17}{2} = 9*17 = 153$

There are 153 different ways in which the manager can do this.

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3 years ago

1.5 horas para realizar un afinamiento; 0,2 horas para limpiar la bateria; 0,75 horas para cambiar el aceite y el filtro del mot

Sunny_sXe [5.5K]

Answer:

$170.56\ soles$

Step-by-step explanation:

The question in English

1.5 hours for tuning; 0.2 hours for cleaning the battery; 0.75 hours for changing the oil and engine filter; 1.45 hours for changing and aligning lights; and 1.3 hours for repairing the air conditioning system. The hourly rate is 32.8 soles; how much does it cost to repair the car?

step 1

Sum the hours to repair the car

$(1.5+0.2+0.75+1.45+1.3)=5.2\ hours$

step 2

Find the cost

Multiply the total hours by $32.8\frac{soles}{hour}$

$5.2(32.8)=170.56\ soles$

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natka813 [3]

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3 years ago

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