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Alexus [3.1K]
3 years ago
13

Will give brainliest please help

Mathematics
1 answer:
Romashka [77]3 years ago
8 0
Answer 2/5. It says there are 5 people and 3 of them have done their hw and 2 have not cause 5-3=2.
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Which graph best represents the solution of the inequality y < |x + 2| – 1?
ollegr [7]

Answer:

Step-by-step explanation:

4 0
2 years ago
C= 6x+100 and c=10x+80 <br> what number does x have to be for c to be the same on each equation?
slega [8]

Answer:

x= 5 , for c to be same on each eqn

7 0
2 years ago
Please help me with this math problem!!!!!​
vagabundo [1.1K]

Answer:

Step-by-step explanation:

\cos ~A=0.5=cos~60 \\A=60^\circ\\B=180-A=180-60=120\\\angle~B=120^\circ

3 0
3 years ago
If the smallest angle of a triangle is 20° and it is included between sides of 4 and 7, then (to the nearest tenth) the smallest
lawyer [7]

Answer:

3.5

Step-by-step explanation:

The smallest side of a triangle is formed by the smallest angle in the triangle.

To find the side opposite (formed by) the 20 degree angle, we can use the Law of Cosines. The Law of Cosines states that for any triangle, c^2=a^2+b^2-ab\cos \gamma, where a, b, and c are the three sides of the triangle and \gamma is the angle opposite to c.

Let c be the side opposite to the 20 degree angle.

Assign variables:

  • a\implies 4
  • b\implies 7
  • \gamma \implies 20^{\circ}

Substituting these variables, we get:

c^2=4^2+7^2-2(4)(7)\cos 20^{\circ},\\c^2=16+49-56\cos 20^{\circ},\\c^2=12.377213236,\\c=\sqrt{12.377213236}=3.51812638147\approx \boxed{3.5}

Therefore, the shortest side of this triangle is 3.5.

5 0
3 years ago
Scores of two school basketball teams are recorded. The mean of Team A is 68. The mean of Team B is 67. What conclusion can you
Leto [7]

The conclusions that can be drawn are 3, two of a direct type and the other of an indirect type.

The direct ones are the values. Team A has an average of 68 points per game, which means that it has a good point average and, in the same way, team B, which has an average of 67, which is still a good point average per game.

The hint is the comparison of both teams, and that is that team A is one point above team B, which in terms of points per game makes them better.

5 0
3 years ago
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