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Troyanec [42]
3 years ago
14

Ok this is the last one . lol

Mathematics
2 answers:
andrew-mc [135]3 years ago
8 0

Answer:

x=31

Step-by-step explanation:

Together they make a supplementary angle which equals 180 degrees so u need to add them up

My work is in the pic

Molodets [167]3 years ago
6 0

Answer:

31

Step-by-step explanation:

Because these two angles are supplementary, their angle measures must add up to 180 degrees. Therefore:

3x+2+2x+23=180

5x+25=180

5x=155

x=31

Hope this helps!

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Lesechka [4]

Answer:

43. I'm not really sure about this one but here's what I got:

The average height of a 4th grader is 58 inches. (Maybe that'll help) Also if it's by the number of kids in the class....I would assume that there are at most 33 kids in the class....I'm not sure what it's asking...sorry :(

46. There are 8 total marbles so if you were selecting a green marble the probability of getting a green marble would be 3/8. If there are 2 blue marbles  then the probability would be 2/8 or 1/4

LINK: https://mathbitsnotebook.com/Geometry/Probability/PBIndependentDependent.html

48. In a deck of cards there are 26 black cards and 26 red cards. Number of event occurrences. Total number of trials. For example, if a dice is rolled 6000 times and the number '5' occurs 990 times, then the experimental probability that '5' shows up on the dice is 990/6000 = 0.165. That should help with this one

LINK:

https://explorable.com/experimental-probability

49. Since there are 6 sides and each side is a number 1-6, the probability of rolling a six is 1:6

50. This one is easy if you read the question right. There are no pink marbles....

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4 0
3 years ago
HELPPP!!!!<br><br> Complete the​ two-column proof by filling in the blanks.
Brilliant_brown [7]

Answer:

2. Substitution property

3. Given

4. Definition of congruent angles

5. Substitution property

6. Subtraction property of equality

7. Definition of congruent angles

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9. Definition of equilateral triangle

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Step-by-step explanation:

4 0
3 years ago
A41.0m guy wire is attached to the top of a 32.8 m antenna and to a point on the ground. How far is the point on the ground from
Setler79 [48]

Answer:

Step-by-step explanation:

A right angle triangle is formed.

The length of the guy wire represents the hypotenuse of the right angle triangle.

The height of the antenna represents the opposite side of the right angle triangle.

The distance, h from base of the antenna to the point on the ground to which the antenna is attached represents the adjacent side of the triangle.

To determine h, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore,

41² = 32.8² + h²

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h = √605.16

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To determine the angle θ that the wire makes with the ground, we would apply the the cosine trigonometric ratio.

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7 0
3 years ago
Jenna bought two more pairs of jeans. If both of them are blue, what percentage of her jeans is blue now? If both of them are no
Sergeeva-Olga [200]
What you must keep in mind is that there are 4 jeans in total, which represents 100%
 When she bought two jeans, we have the following information:
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 answer:
 0% percentage of her jeans is blue now
7 0
3 years ago
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