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kvv77 [185]
3 years ago
15

Find the value of x​WILL MARK AS BRAINLIEST!

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

x = 37°

Step-by-step explanation:

The sum of all internal angles in a triangle will always equal 180.

Thus, we know that 81 + 62 + x must equal 180.

81 + 62 + x = 180

143 + x = 180

Subtract 143 from both sides:

x = 180 - 143

x = 37

Answer: x = 37°

garri49 [273]3 years ago
7 0

Answer:

37

Step-by-step explanation:

180-(81+62)=37

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The teacher said estimate this with out counting 1 by 1 then divide it by 20 HELP PLEASSEE
WARRIOR [948]
Well, first fin dyour best estimate mine is...600
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7 0
3 years ago
A die with six faces has the number 1 painted on three of its faces, the number 2 painted on 2 of its faces, and number 3 on one
salantis [7]

Answer:

a) S = {1, 2, 3}

b) P(odd number) = \frac{2}{3}

c) No

d) Yes

Step-by-step explanation:

a) The sample space is the set of all possible outcomes. By definition, the elements of a set should not be repeated. Hence, the sample space S = {1, 2, 3}

However, the sample is not equiprobable because each element has different probabilities.

b) P(odd number) = \frac{number of odd digits}{number of faces}=\frac{4}{6}=\frac{2}{3}

Note that the odd numbers are 1 (on three faces) and 3 (on one face).

c) The fact the die has been biased does not change the possible outcomes. It only changes the probability of getting any given number.

d) Because the 3-face has been loaded, this probability changes. In fact, it is calculated thus:

Let's assume the probability for 1 or 2 is x. Then that of 3 is 2x(because it is twice the others). The sum of probabilities must be 1.

x+x+x+x+x+2x=1

7x=1

x=\frac{1}{7}

P(odd number) = 3\timesProb(1) + Prob(3)

= 3\times\frac{1}{7}+\frac{2}{7} = \frac{5}{7}

7 0
3 years ago
Help please...........................
slavikrds [6]
I’m sorry i have no idea, i’m just trynna get 100% i’m not smart enough
3 0
4 years ago
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Pls help with my homework I need help
FromTheMoon [43]

Answer:

32/12

Step-by-step explanation:

To calculate the tangent you need to divide the opposite side by the adjacent side: 70/24=35/12

3 0
3 years ago
Read 2 more answers
Solve for the value of s​
Temka [501]

Answer:

15

Step-by-step explanation:

9 times 15+8+37=180

180 is a full line

7 0
3 years ago
Read 2 more answers
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