Mathematics: Solve for x. Round to the nearest tenth, if necessary.

Solve for x. Round to the nearest tenth, if necessary.

Ответ:

nayshia

03.07.2021

Mathematics

33.2

Step-by-step explanation:

Given

CE=85

$\angle C=67^{\circ}$

In $\triangle CDE$ , using trigonometry

$\Rightarrow \cos 67^{\circ}=\dfrac{CD}{CE}\\\\\Rightarrow CD=CE\cos 67^{\circ}\\\\\Rightarrow CD=85\times \cos 67^{\circ}\\\\\Rightarrow CD=33.2$

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Ответ:

shygrl05

03.07.2021

Mathematics

Given:

A figure of a right angle triangle.

To find:

The value of x.

Solution:

In a right angle triangle,

$\cos \theta =\dfrac{Base}{Hypotenuse}$

In the given figure,

$\cos C =\dfrac{CD}{CE}$

$\cos 67^\circ =\dfrac{x}{85}$

$0.39073\times 85=x$

33.21205=x

Round to the nearest tenth.

$x\approx 33.2$

Therefore, the measure of x is 33.2 units.

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Ответ:

Adithya27

19.05.2022

Mathematics

Step-by-step explanation:

The total number of people mentioned in this problem is 15. 15 will be the denominator for the probability in fraction form. The sum of the # of people that include lifeguards and managers will be the numerator.

Therefore, the probability that the person picked is either a manager or a lifeguard is 10/15 [because there are 2 managers and 8 lifeguards; 2 + 8 =10].

Fraction form of probability: 10/15

Decimal form: 0.6 repeated

Percent form: about 66.67%

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Solve for x. Round to the nearest tenth, if necessary.

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