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melisa1 [442]
3 years ago
9

J scored 80% on a test. He missed 4 problems. How many problems were on the test?

Mathematics
2 answers:
Maslowich3 years ago
8 0
He had 20 questions to answer hope it helps
mojhsa [17]3 years ago
7 0
He had 20 or more problems on the test but if u estimated it would be 19 but if i were u i would put down 20
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In ΔRST, m < R = 104°, r = 20, and t = 10. Find the m < S, to nearest degree.
Mrrafil [7]

9514 1404 393

Answer:

  47°

Step-by-step explanation:

The law of sines helps you find angle T. From there, you can find angle S.

  sin(T)/t = sin(R)/r

  sin(T) = (t/r)sin(R) = (10/20)sin(104°)

  T = arcsin(sin(104°)/2) ≈ 29°

Then angle S is ...

  S = 180° -R -T = 180° -104° -29°

  ∠S = 47°

5 0
2 years ago
What is 7 4/10 -1 1/3
Goryan [66]
The answer is 6 and 1/15.
7 0
3 years ago
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5t^2 - 5.5 - 3.5t + 1.5t^2 +4t
RideAnS [48]
The answer is 6.5t2+0.5t−5.5 , it’s simplified
8 0
3 years ago
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2 and 5. What is the LCM?
Masja [62]
Well, first of all, LCM means Lowest Common Multiple. So you have to write out the factors of each of the numbers. So that will be;
2= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
5=5, 10, 15, 20
  So now, you have to pick out the numbers that are common to both numbers. So;
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5 0
3 years ago
in a park of 30 people, 15 were walking, 7 were playing and 6 were just running. find the percentage of people who were not doin
monitta

Answer:

6.67

Step-by-step explanation:

Because in the park there are 30 people OK

15 were walking

7 were playing

6 were running.

15 + 7 + 6=28

Meaning there are still 2 people left so that is 6.67 =% of the people.

Hope it helps have a great afternoon:)

7 0
2 years ago
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