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Bogdan [553]
3 years ago
6

Which of the following is a solution to 2cos x + 1 = 0?

Mathematics
1 answer:
nlexa [21]3 years ago
3 0
The answer is b
2cos x + 1 = 0
2 cos x = -1
cos x = -1/2
x = cos^1(-1/2)
(cos inverse (-1/2))
x = 120°
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Math question pls help
Ivanshal [37]

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Step-by-step explanation:

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Russ is solving an equation where both sides are linear expressions. he sets the expressions equal to y and graphs the system fi
Dafna1 [17]

The correct  option (D).

There are infinitely many intersection points.

<h3>What is liner equation?</h3>

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<h3>What does intersection point mean?</h3>

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<h3>According to the given information:</h3>

Russ is attempting to solve an equation whose two sides are both linear expressions.

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Since both lines are the same, there are an endless number of junction places.

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brainly.com/question/16982453

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I understand that the question you are looking for is:

Russ is solving an equation where both sides are linear expressions. He sets the expressions equal to y and graphs the system finding that they are the same line. How should Russ interpret this outcome? There are no intersection points. There is exactly one intersection point. There are exactly two intersection points. There are infinitely many intersection points.Russ is solving an equation where both sides are linear expressions. He sets the expressions equal to y and graphs the system finding that they are the same line. How should Russ interpret this outcome?

A. There are no intersection points.

B. There is exactly one intersection point.

C. There are exactly two intersection points.

D. There are infinitely many intersection points

3 0
2 years ago
It costs Edgar $2.65 one way to ride the bus to work. He uses the bus to go to and from work fourdays per week. He buys a bottle
Viktor [21]

Answer:

Ambitious

In this case, you have to multiply the price of the one way journey ($2.65) by 8 (as this is the number of individual journeys made in one week. It's gives you $21.20. As he has 1 bottle of water at $1.45 each day for four days, you have to multiply these together, giving you $5.80 You then have to add together $21.20 and $5.80, giving you $27. Therefore, it costs Edgar $27 a week

Step-by-step explanation:


8 0
3 years ago
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