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yawa3891 [41]
3 years ago
14

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

Mathematics
2 answers:
Igoryamba3 years ago
6 0

Answer: 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

inysia [295]3 years ago
3 0

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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The plot shown below describes the relationship between student scores on the first exam in a class and their corresponding scor
STALIN [3.7K]

Answer:

you average the scores by adding scores from exam 1 and exam 2 then divide it by 2 to average the exam scores

Step-by-step explanation:

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3 years ago
Solve using the quadratic formula:20\x+10\(x-10)=10\3
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5 0
3 years ago
The square ABCD has side length 20 cm,
bogdanovich [222]

Answer:

AE=22.4

Step-by-step explanation:

BE is 1/2 of BC

BC is 20 cm                 All sides of a square are equal

BE = 1/2 BC                  Property of a midpoint.

BE = 10

Now just use Pythagorus

AB^2 + BE^2 = AE^2

AE^2 = 20^2 + 10^2   Perform the sqrs

AE^2 = 400 + 100      Add the terms

AE^2 = 500                Take the square root of both sides

√AE^2 = √500

AE = 22.36

AE ≈ 22.4

6 0
2 years ago
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Dafna11 [192]

Answer:

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Step-by-step explanation:

6 0
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What are the characteristics of the function f(x)=2(x-4)^5? Check all that apply
GaryK [48]

Answer:

Option B , C , E are characteristics of the function .

Step-by-step explanation:

Given : function f(x)=2(x-4)^5.

To find : What are the characteristics of the function .

Solution : We have given that f(x)=2(x-4)^{5}.

By the End Point behavior : if the degree is even and leading coefficient is odd of polynomial of function then left end of graph goes down and right goes up.

Since , Option E is correct.

It has degree 5 therefore, function has 5 zeros and atmost 4 maximua or minimum.

Option C is also correct.

By transformation rule it is vertical stretch and shift to right (B )

Therefore, Option B , C , E are characteristics of the function .

3 0
3 years ago
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