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pashok25 [27]
4 years ago
11

Please help me. 50 point question

Mathematics
2 answers:
OverLord2011 [107]4 years ago
7 0

Step-by-step explanation:

Hey there!!!!

Given,

Angle r and angle s are supplementary angle.

And angle r = 120°.

Now, we have,

supplementary angle's sum is always 180°.

So, angle r + angle s = 180°.

or, 120°+ angle s = 180°

Therefore the measure of angle s is 60°.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

dybincka [34]4 years ago
3 0
The question states that the angles are supplementary, meaning that both angles add up to 180. The prompt also says that angle r is 120°, this means that:

m
Plug in what you know:

120° + m
Subtract 120° from both sides:

120° + m-120° -120°

And you get:

m
Hope this helped!
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Two standard dice are rolled and their face values multiplied. What is the probability that the product is prime or ends in a 5?
icang [17]

Answer:

6/21

Step-by-step explanation:

1. First, check all the possible combinations for a pair of dice:

1-1

1-2 2-2

1-3 2-3 3-3

1-4 2-4 3-4 4-4

1-5 2-5 3-5 4-5 5-5

1-6 2-6 3-6 4-6 5-6 6-6

(Those are the numbers of the dice, separated by hyphons.)

2. Next, find out the products, since that is the info we need to go off of.

1

2 4

3 6 9

4 8 12 16

5 10 15 20 25

6 12 18 24 30 36

(those are all the products based on the same chart we saw above.)

3. Now, let's calculate the probability.

  • Find the amount of prime numbers. (1, 2, 3, 5) Looks like there are four total.
  • Find the amount of numbers that end in a five. (15, 25) There are two. I've skipped 5 because that is already on the list.
  • Find the total amount of numbers. There are 21 in our case.

4. There are 6 numbers that will satisfy our needs. (prime or ending in 5)

There are 21 total.

6/21

If you need decimal form, there is a

0.2857 chance.

Hope this helped.

8 0
4 years ago
Read 2 more answers
2.
Annette [7]
The correct answer is b.
3 0
3 years ago
Read 2 more answers
A survey asked a group of adults and youths if they prefer reading books printed on paper or electronic books.
babymother [125]

Answer:

Find the percent of the youths surveyed prefer reading printed books

We know that

38 youths like reading book preference

Total = Book Preference+Print Electronic

=35+38=73

Percentage=38/73 × 100%= 52%

4 0
3 years ago
65% of students in a statistics class said that they liked statistics more than algebra. if 3 of these students are randomly sel
Firdavs [7]
<span>The answer to this question depends on the class size. However if we assume the class is sufficiently large then we can assume the 65% ratio stays relatively constant as students are selected. In this case we will treat selecting three students as independent events. Therefore we can multiply the probabilities. Finally, the probability of selecting three students that all like statistics more than algebra is (0.65)x(0.65)x(0.65) = 0.275.</span>
5 0
3 years ago
???????????????????????????????
mrs_skeptik [129]

Answer:

i think its A

Step-by-step explanation:

you add all the numbers up together and dvide by how many numbers there are. thats what i did and got 6

8 0
3 years ago
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