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s344n2d4d5 [400]
2 years ago
10

How many extraneous solutions does the equation below have?

Mathematics
1 answer:
yawa3891 [41]2 years ago
3 0

Answer:

Two extraneous solutions

Step-by-step explanation:

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SMART STUDENT PLEASE NEED GOOD MATH STUDENT​
tangare [24]

Answer:

Therefore 'x' is equal to 65.4°

Step-by-step explanation:

In Right Angle Triangle ABC

∠ B = 90°

AC = Hypotenuse = 12

CB = Adjacent Side = 5

To Find:

∠ C = x

Solution:

In Right Angle Triangle ABC Cosine Identity we have

\cos C = \frac{\textrm{side adjacent to angle C}}{Hypotenuse}\\

Substituting the values we get

\cos C = \dfrac{CB}{AC}=\dfrac{5}{12}

\angle C = \cos^{-1}(0.4166)=65.37=65.4\°

Therefore 'x' is equal to 65.4°

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3 years ago
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natali 33 [55]
9/12 bc it is a fraction
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Solve: 9x-7≤28+4x;x€W​
Natasha_Volkova [10]

Answer:

z ≤ 7

Step-by-step explanation:

9x - 7 ≤ 28 + 4x

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4 0
2 years ago
Read 2 more answers
HELP PLEASE HELP ME
Marina CMI [18]

Answer:

1. k≤ 26.11 hours

2. 5 ≤ x ≤ 6

Step-by-step explanation:

1.

38.76 + 2.69k ≤ 109

2.69k ≤ 70.24

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2.

19 ≤ 4 + 3x ≤ 22

15 ≤ 3x ≤ 18

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If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

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3 years ago
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