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Tom [10]
3 years ago
5

In need help step by step

Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0

Step-by-step explanation:

7-(5-4x)

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Solve the equation 14x+7Y=28 for x
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14x + 7y = 28

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The square below has an area of x^2+10x+25 square meters. What expression represents the length of one side of the square?
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3 years ago
Determine whether the given triangle has no solution, one solution or two solutions. Then solve the triangle. Round measures of
yuradex [85]

Answer:

The triangle has one solution. The remaining side c ≈ 4 and remaining angles B = 30°; C = 31°.

Option D is correct.

Step-by-step explanation:

if angle A is obtuse and if a > b then the triangle has one solution

We are given ∠ = 119° which is obtuse and side a= 7 and side b - 4 i.e 7>4 so, the triangle has one solution.

Finding remaining side c and ∠B and ∠C

Using Law of sines to find ∠B

a/sin A = b/sin B

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B = 29.96 = 30°

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So, 180° = 119° + 30° +∠C

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=> ∠C = 180° - 149°

∠C = 31°

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b/sin B = c /sin C

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4*0.515 = c* 0.5

=> c =  4*0.515/0.5

c = 4.12 ≈ 4

So, Option D one solution; c ≈ 4; B = 30°; C = 31° is correct.

7 0
3 years ago
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