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victus00 [196]
3 years ago
14

Find The missing length

Mathematics
1 answer:
Reil [10]3 years ago
7 0
C is the hypotenuse of a right triangle whose leg lengths are 7 and 9.  Thus, 

c^2 = 7^2 + 9^2 = 49 + 81 = 130.

Then c = sqrt(130) (answer)
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Solve the triangle. Round your answers to the nearest tenth.
wel

Answer:

m∠A ≈ 43°

m∠B ≈ 55°

mBC ≈ 20

Step-by-step explanation:

Law of Sines: \frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}

Step 1: Find m∠B

\frac{29}{sin82} =\frac{24}{sinB}

Step 2: Solve for ∠B

29sinB = 24sin82°

sinB = 24sin82°/29

B = sin⁻¹(24sin82°/29)

B = 55.038°

Step 3: Find m∠A

180 - (55.038 + 82)

180 - 137.038

m∠A = 42.962°

Step 4: Find BC

\frac{29}{sin82} =\frac{BC}{sin42.962}

Step 5: Solve for BC

29sin42.962° = BCsin82°

BC = 29sin42.962°/sin82°

BC = 19.9581

4 0
3 years ago
Please help me! Where is the greatest change in the science quiz scores? See attached picture below.
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Answer:

C. From week 3 to week 4

Step-by-step explanation:

The reason it has the greatest amount of change is because its slope is the steepest.

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Which equation is the inverse of 5y+4 = (x+3)^2 + 1/2
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C. -5y -4 = -(x+3)^2 -1/2

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