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Semmy [17]
3 years ago
9

Find the value of x and y. Identify the type of angle pair!!

Mathematics
2 answers:
liq [111]3 years ago
6 0

Answer:

40y+20=60y-40

60y-40y=20+40

20y=60

y=60÷20

y=3

8x=2x+30

8x-2x=40

6x=30

x=30÷6

x=5

(40×3+20) = 140

8×5 = 40

(2×5+30)=40

(60×3-40)=140

alex41 [277]3 years ago
3 0

Answer:

y = 3

x = 5

Step-by-step explanation:

40y + 20 = 60 y - 40 because opposite angles are equal

solve this equation

40y + 60 = 60 y

60 = 20 y

3 = y

8x = 2x +30

6x = 30

x = 5

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A right triangle has legs of length 136 cm and 119 cm. What is the length of the hypotenuse of the right triangle? Enter the ans
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Answer:

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Step-by-step explanation:

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3 years ago
I need help this Question
Delicious77 [7]

Using the combination formula, it is found that the number of ways to choose the presenters is given by:

C. 462.

The order in which the presents are chosen is not important, hence the <em>combination formula</em> is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, 6 students are chosen from a set of 11, hence the number of ways is given by:

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More can be learned about the combination formula at brainly.com/question/25821700

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