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4 years ago

Find value of x. Round answer to nearest tenth.

Mathematics

1 answer:

mel-nik [20]4 years ago

7 0

Answer:

Step-by-step explanation:

From the given right angle triangle,

The hypotenuse of the right angle triangle is 10.

With m∠x as the reference angle,

the adjacent side of the right angle triangle is 6

the opposite side of the right angle triangle is the unknown side.

To determine x, we would apply

the Cosine trigonometric ratio.

Cos θ = adjacent side/hypotenuse. Therefore,

Cosx = 6/10 = 0.6

x = Cos^-1(0.6)

x = 53.1° to the nearest tenth.

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3 years ago

6. Which interval represents the range of the function h(x) = 2x2 – 2x - 4?

lorasvet [3.4K]

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Step-by-step explanation:

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3 years ago

Can u put 0.5,0.41 and 3/5 in least to greatest

baherus [9]

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4 0

3 years ago

Is x+1/2=x-1/2 true?

Sedaia [141]

$\frac{x+1}{2}=\frac{x-1}{2}$ is not true

Step-by-step explanation:

We need to find if $\frac{x+1}{2}=\frac{x-1}{2}$ is true?

Solving:

$\frac{x+1}{2}=\frac{x-1}{2}$

Cross Multiplying

$2(x+1)=2(x-1)$

$2x+2=2x-2$

$2x-2x=-2-2$

$0=-4$

Since both sides of the equation are not equal, so there is no solution.

So, $\frac{x+1}{2}=\frac{x-1}{2}$ is not true.

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

8 0

3 years ago

The product of the slopes of perpendicular lines is ?1. Which function represents a line that is perpendicular to y = ?6x + 7?

kolbaska11 [484]

Answer:

See below

Step-by-step explanation:

Perpendicular lines have slopes which are negative reciprocals. When the slopes are multiplied like 3 and -1/3 is -1.

This means the line y = -6x + 7 which has slope -6 will have a perpendicular line that has slope 1/6.

Any equation which has slope 1/6 is a solution.

Example 1/6x - 1 or 1/6x + 7 or etc.

5 0

4 years ago