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Hoochie [10]
2 years ago
12

Please, it’s due tonight and I suck at proofs:((

Mathematics
2 answers:
Slav-nsk [51]2 years ago
5 0

Answer:

The question ?

Step-by-step explanation:

masya89 [10]2 years ago
4 0

Answer:

Step-by-step explanation:

Wha-

There no picture

lol

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What is the cosine of angle D​
blagie [28]

Answer:

\frac{28}{45}

Step-by-step explanation:

Please see the attached picture for the full solution.

3 0
3 years ago
Find the value of x. Round your answer to the nearest tenth<br> (Will give brainiest)
ratelena [41]

Answer:

Its 67.9 but technically its 67.912 *hope this helps

Step-by-step explanation:

Right scalene triangle.

Sides: a = 66   b = 16   c = 67.912

Area: T = 528

Perimeter: p = 149.912

Semiperimeter: s = 74.956

Angle ∠ A = α = 76.373° = 76°22'23″ = 1.333 rad

Angle ∠ B = β = 13.627° = 13°37'37″ = 0.238 rad

Angle ∠ C = γ = 90° = 1.571 rad

Height: ha = 16

Height: hb = 66

Height: hc = 15.55

Median: ma = 36.674

Median: mb = 66.483

Median: mc = 33.956

Inradius: r = 7.044

Circumradius: R = 33.956

Vertex coordinates: A[67.912; 0] B[0; 0] C[64.142; 15.55]

Centroid: CG[44.018; 5.183]

Coordinates of the circumscribed circle: U[33.956; 0]

Coordinates of the inscribed circle: I[58.956; 7.044]

Exterior (or external, outer) angles of the triangle:

∠ A' = α' = 103.627° = 103°37'37″ = 1.333 rad

∠ B' = β' = 166.373° = 166°22'23″ = 0.238 rad

∠ C' = γ' = 90° = 1.571 rad

8 0
3 years ago
What is the ratio that is equivalent to 7/9
Oliga [24]

Answer:

\frac{14}{18} is one equivalent ratio

Step-by-step explanation:

Given the ratio

\frac{7}{9} ← in simplest form

Then to obtain equivalent ratios

Multiply the numerator/ denominator by the same value, that is

\frac{7(2)}{9(2)} = \frac{14}{18}

3 0
3 years ago
Kelly can type 120 words in 3 minutes. at that ate, how many words can she type in 5 minutes?
madam [21]
\frac{120\ \text{words}}{3\ \text{minutes}} = \frac{40\ \text{words}}{1\ \text{minute}}

\frac{40\ \text{words}}{1\ \text{minute}} \times \frac{5}{5} = \frac{200\ \text{words}}{5\ \text{minutes}}

Kelly can type 200 words in five minutes.
5 0
2 years ago
Pls help i’ll give u a brainlest
Viefleur [7K]

Answer:

66

Step-by-step explanation:

The bases are both the same so it's 3*3 for both of them.

The sides are also the same so it's 3*4 for all four of them.

3*3+3*3+3*4+3*4+3*4+3*4

9+9+12+12+12+12

18+48

66

8 0
3 years ago
Read 2 more answers
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