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4 years ago

5

How would I solve for x?

1 answer:

Minchanka [31]4 years ago

7 0

The Answer is Height: hb = 12.92<span>3

</span>Acute scalene triangle.<span>Sides: </span>a = 15 b = 13 c = 14

<span>Area: </span>T = 84
<span>Perimeter: </span>p = 42
<span>Semiperimeter: </span>s = 21

<span>Angle </span>∠ A = α = 67.38° = 67°22'49″ = 1.176<span> rad</span>
<span>Angle </span>∠ B = β = 53.13° = 53°7'48″ = 0.927<span> rad</span>
<span>Angle </span>∠ C = γ = 59.49° = 59°29'23″ = 1.038<span> rad</span>

<span>Height: </span>ha<span> = 11.2</span>
<span>Height: </span>hb<span> = 12.92</span>3 <- Answer
<span>Height: </span>hc<span> = 12</span>

<span>Median: </span>ma<span> = 11.23</span>6
<span>Median: </span>mb<span> = 12.97</span>1
<span>Median: </span>mc<span> = 12.16</span>6

<span>Inradius: </span>r = 4
<span>Circumradius: </span>R = 8.125

<span>Vertex coordinates: </span>A[14; 0] B[0; 0] C[9; 12]
<span>Centroid: </span>CG[7.667; 4]
<span>Coordinates of the circumcenter: </span><span>U[7; 4.125]</span>

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Step-by-step explanation:

2<3x>10

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3 years ago

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Find the approximate perimeter of ABC plotted below.

maksim [4K]

Answer:

B. 21.2

Step-by-step explanation:

Perimeter of ∆ABC = AB + BC + AC

A(-4, 1)

B(-2, 3)

C(3, -4)

✔️Distance between A(-4, 1) and B(-2, 3):

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AB = \sqrt{(-2 - (-4))^2 + (3 - 1)^2} = \sqrt{(2)^2 + (2)^2)}$

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✔️Distance between B(-2, 3) and C(3, -4):

$BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$BC = \sqrt{(3 - (-2))^2 + (-4 - 3)^2} = \sqrt{(5)^2 + (-7)^2)}$

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$BC = \sqrt{74}$

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✔️Distance between A(-4, 1) and C(3, -4):

$AC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

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3 years ago

A bus is traveling at 50 mph. If the rate of speed increases 3 mph each hour, how long will it be before the bus is traveling at

arsen [322]

Answer:

It will take 10 hours.

Step-by-step explanation:

By using the formula of motion,

v = u + at

Here, v = Final speed of an object

u = initial speed

a = Acceleration by which the speed is increasing

t = Duration or time

Now substitute the values given in the question,

80 = 50 + 3t

3t = 30

t = 10 hours

Therefore, after 10 hours speed of the bus will be 80 mph.

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