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RoseWind [281]
4 years ago
8

João está projetando um novo brinquedo para o parque de diversões da cidade, conforme a imagem abaixo. As correntes das cadeiras

medem 4 metros e atingem um ângulo de 23° quando o brinquedo está na velocidade máxima. Se João quer que as cadeiras fiquem a 3,5 metros do chão quando o brinquedo atingir a velocidade máxima, qual deve ser a altura da coluna principal do brinquedo?
Mathematics
1 answer:
erastova [34]4 years ago
7 0

Há alguma opção de resposta?

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Write the phrase as an expression. Then evaluate when x=5 .
faust18 [17]

Answer:

\frac{x+4}{3} ; 3

Step-by-step explanation:

In this question, we're being asked to write an equation using the word format. Let's find key words in the statement.

The <u>sum</u> of a <u>number x and 4</u>, <u>all divided by 3.</u>

<u></u>

Looking at the wording, we can conclude that we are adding x and 4, and dividing that by 3. So here's how the phrase would look as an expression.

\frac{1}{3} (x+4) or \frac{x+4}{3}

Now, there's another part to this problem. We must evaluate the value of the expression if x is given to be 5. So let's plug it into our equations.

<u>(5)+4</u>

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9/3 gives you 3, so your answer would be 3.

Let me know if you see any errors or have any further questions, otherwise, I hope this helped! :)

5 0
3 years ago
A car rental company charges a daily rate of $ 24 plus $ 0.10 per mile for a certain car. Suppose that you rent that car for a d
Mariulka [41]
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Luba_88 [7]

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4 years ago
Round to the nearest tenth
Vitek1552 [10]

<em>Note: I am assuming we have to determine the angle 'Ф'.</em>

Answer:

The value of Ф = 22.6°

Step-by-step explanation:

Given

hypotenuse = 13

To determine:

Angle = Ф = ?

Using the trigonometric ratio

cos Ф = adjacent / hypotenuse

here

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so substituting adjacent = 12, hypotenuse = 13 in the equation

cos Ф = adjacent / hypotenuse

cos Ф = 12 / 13

Ф = arccos (12/13)

Ф = 22.6°

Therefore, the value of Ф = 22.6°

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Answer:

3a then the power of 3 thing i cannot do rn

Step-by-step explanation:

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