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Svetach [21]
2 years ago
10

Solve the two-step equation.

Mathematics
1 answer:
Vesna [10]2 years ago
7 0

Answer:

  • \boxed{\sf{x=-0.15}}

Step-by-step explanation:

Isolate the term of x from one side of the equation.

<h3>34(x)-1.72=-6.82</h3>

<u>Rewrite the problem down.</u>

⇒ 34x-1.72=-6.82

<u>First, add by 1.72 from both sides.</u>

⇒ 34x-1.72+1.72=-6.82+1.72

<u>Solve.</u>

⇒ -6.82+1.72=-5.1

<u>Rewrite the problem down.</u>

⇒ 34x=-5.1

<u>Divide by 34 from both sides.</u>

⇒34x/34=-5.1/34

<u>Solve.</u>

<u />

<u>Divide the numbers from left to right.</u>

⇒ -5.1/34=-0.15

<u>⇒ x=-0.15</u>

  • <u>Therefore, the solution is x=-0.15, which is our answer.</u>

I hope this helps you! Let me know if my answer is wrong or not.

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Step-by-step explanation:

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Using the diagram below, solve the right triangle. Round angle measures to the
olga nikolaevna [1]

Answer:

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Step-by-step explanation:

Use sin to solve m∠A

sin x = 12/42     Simplify

sin x = 0.2857   Use the negative sin to solve for x

sin^-1 x =  17 degrees

Add together all of the angle measures to solve for m∠B

17 + 90 + x = 180    Add

107 + x = 180

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x = 73 degrees

Use Pythagorean Theorem to solve for b

12^2 + x^2 = 42^2     Simplify

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Select the true statement about triangle ABC.
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Answer:

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Step-by-step explanation:

cosA = \frac{adjacent}{hypotenuse} = \frac{AB}{AC} = \frac{12}{13}

cosC = \frac{BC}{AC} = \frac{5}{13}

sinC = \frac{opposite}{hypotenuse} = \frac{AB}{AC} = \frac{12}{13}

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Answer:

Step-by-step explanation:

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20 = 4 * k                        Divide by 4

20/4 = 4k/4

k = 5

Answer: the constant of variation is 5

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