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nataly862011 [7]
3 years ago
11

Find the value of X. to 67° 56°

Mathematics
2 answers:
aleksley [76]3 years ago
8 0
<h3>Answer:   x = 57</h3>

==================================================

Explanation:

The three angles of any triangle always add to 180

x+67+56 = 180

x+123 = 180

x+123-123 = 180-123 .... subtract 123 from both sides

x = 57

The missing angle is 57 degrees

-------------

Check:

x+67+56 = 57+67+56 = 180

Answer is confirmed.

Fiesta28 [93]3 years ago
3 0

Answer:

x = 57

Step-by-step explanation:

180 degrees in a triangle

67 + 56 = 57

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3 years ago
Measuring the height of a tree is usually more difficult than measuring the diameter of the tree. Therefore, many researchers us
LenKa [72]

Answer:

(B) (0.396, 1.712)

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From the information given;

Confidence Interval = 0.95

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The confidence interval for regression coefficient beta (whereby in this case it is the coefficient of the diameter) is expressed by:

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From the regression coefficient, the estimated value of beta^  = 1.054

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For the following pair of functions, find (f+g)(x) and (f-g)(x).
ch4aika [34]

Given:

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The functions (f+g)(x) and (f-g)(x).

Solution:

We know that,

(f+g)(x)=f(x)+g(x)

(f+g)(x)=4x^2+7x-5-9x^2+4x-13

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(f-g)(x)=f(x)-g(x)

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(f+g)(x)=4x^2+7x-5+9x^2-4x+13

(f+g)(x)=(4x^2+9x^2)+(7x-4x)+(-5+13)

(f-g)(x)=13x^2+3x+8

Therefore, the required functions are (f+g)(x)=-5x^2+11x-18

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3 years ago
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Answer:

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Answer:

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