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solniwko [45]
3 years ago
8

Is the first one correct and what are the ages? Thanks

Mathematics
1 answer:
Fantom [35]3 years ago
8 0

Answer:

a = 30°

Step-by-step explanation:

We need to find the value of a.

We know that, a straight line makes an angle of 180°.

In this case,

a+3a+2a = 180

6a = 180

a = 30°

So, the value of a is equal to 30°.

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Estimate the solution to the system of equations.
klemol [59]

Answer:

x=1/2; y=-6

Step-by-step explanation:

2x-2=-2x-5

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8 0
3 years ago
you are helping to organize a soccer tournament by registering the participating teams. each week 666 teams register to particip
algol13

The graph that best represent the relationship between time and cost is option A as it is a proportional graph

<h3>How to know the graph that represent the relationship between time and number of team?</h3>

Each week 6 teams register to participate.

Therefore, for every week 6 team register to participate in the competition.

This simply implies as time increases , the number of participant in the competition also increase.

Therefore, the equation that can be use to represent this situation is as follows:

y = 6x

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Hence,  the graph that best represent the relationship between time and cost is option A as it is a proportional graph. The registered team increases as the time in weeks increase.

learn more on graph relationship here: brainly.com/question/12812258

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8 0
2 years ago
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madreJ [45]

Answer:

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Step-by-step explanation:

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Does any one know the answer to this thank you
makvit [3.9K]

Answer:

The First choice

Step-by-step explanation:

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