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vodka [1.7K]
3 years ago
12

Pls help my with one and two asap

Mathematics
1 answer:
Dafna11 [192]3 years ago
4 0

Answer:

Step-by-step explanation:

for nr. 1

sum of angles in  a triangle=180

x=180-(81+84)=15

acute triangle

for nr.2

x=180-(24+36)=120

obtuse triangle

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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
Solve each equation with the quadratic formula.<br> x2 -7x +10= 0
zhenek [66]

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Step-by-step explanation: try symbolab for these questions...it helps out a lot.

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2 years ago
What is the length of the segment connecting the points (-9,3) and (-9,-2)?
kramer

Answer:

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Step-by-step explanation:

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4) Which pair of triangles is congruent by Angle - Angle- Side
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Answer:

2

Step-by-step explanation:

Two angles are congruent, and one side is congruent in the pair of triangles, option 2.

6 0
3 years ago
Read 2 more answers
I need help with the answer.
vodka [1.7K]
The two girls did not travel the same distance, because 0.07 is seven hundredths (7/100), and it is less than 7/10. ;)
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3 years ago
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