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3 years ago

Calculate the area of triangle ABC with altitude CD, given A (6, -2), B (1, 3), C (5, 5), and D (2, 2).

Mathematics

2 answers:

pentagon [3]3 years ago

4 0

The answer is 15 square units

Flura [38]3 years ago

3 0

Answer:

15 units

Step-by-step explanation:

I just took this geometry test with the same question. Its 15

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(8u+6v)(5u - Bv)?????

ivolga24 [154]

8ubv+6bv2+40u+30vu hope it’s right

6 0

3 years ago

Give the equation of the circle centered at the origin and passing through the point (0,-8)

Norma-Jean [14]

Answer:

The answer to your question is x ² + y² = 64

Step-by-step explanation:

Process

1.- Find the length of the radius

C (0, 0)

P (0, -8)

d = $\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2} }$

d = $\sqrt{(0- 0)^{2}+ (-8 - 0)^{2} }$

d = $\sqrt{64}$

d = 8

2.- Find the equation of the circle

$(x - h)^{2} + (y - k)^{2} = r^{2} \\$

h = 0 and k = 0

$(x - 0)^{2} + (y - 0)^{2} = 8^{2}$

x² + y² = 64

5 0

3 years ago

Evaluate A 2 - B 2 for A = 4 and B = -5.

nikdorinn [45]

8+-10=-2 you multiply and combine the variables and numbers.

4 0

3 years ago

A council of three people is to be chosen from a group of 4 lawyers, one artist, and 3 teachers

padilas [110]

Answer: 0.2857

<u>Step-by-step explanation:</u>

At least one teacher means exactly 1 or exactly 2 or exactly 3 teachers. Find the probability of each and add them up.

$\text{One teacher}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{5\ others}{7\ people}\times \dfrac{4\ others}{6\ people}=\dfrac{5}{28}=0.1786\\\\\\\text{Two teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{5\ others}{6\ people}=\dfrac{5}{56}=0.0893\\\\\\\text{Three teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{1\ teacher}{6\ people}=\dfrac{1}{56}=0.0179$

One teacher + Two teachers + Three teachers = 0.2857

4 0

3 years ago

WILL GIVE BRAINLEIST DUE AT 9:45 P.M. PLS HURRY SUPER EASY.

Lemur [1.5K]

Answer:

c = 2

Step-by-step explanation:

Since 16 is over the variable c, first multiply both sides by c so the variable is not in the denominator of the fraction.

16/c(c) = 8(c)

16 = 8c Next, divide both sides by 8 to solve for c.

c = 2

6 0

3 years ago