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3 years ago

2.) The formula for finding the area of a triangle is

Mathematics

1 answer:

GenaCL600 [577]3 years ago

6 0

Answer:

Step-by-step explanation:

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Pls help me with this. You don't need to show your work.

Lana71 [14]

$(a+b)^\circ=108^\circ\\\\2a^\circ=b^\circ$

so:

$(a+b)^\circ=(a+2a)^\circ=3a^\circ=108^\circ\\\\a^\circ=36^\circ$

and

$b^\circ=108^\circ-a^\circ=108^\circ-36^\circ=72^\circ\\\\\boxed{m\angle QNS=b^\circ=72^\circ}$

3 0

3 years ago

valentinak56 [21]

Question:

The angle $\theta_1$ is located in Quadrant III, and $sin(\theta_1) = - \sqrt{\frac{3}{2}}$ .

What is the value of $cos(\theta_1)$ ?

Express your answer exactly. $cos(\theta1) =$ ________

Answer:

$cos(\theta_1) = - \frac{1}{2}$

Step-by-step explanation:

Given:

$sin(\theta_1) = - \sqrt{\frac{3}{2}}$

Since the angle $\theta_1$ is located in Quadrant III, we have:

$sin(\theta_1) = sin(\pi + \frac{\pi}{3})$

$\theta_1 = \pi + \frac{\pi}{3}$

$\theta_1 = \frac{4 \pi}{3}$

Thus, $cos(\theta_1)$ =

$cos(\theta_1) = cos(\pi + \frac{\pi}{3})$

$cos(\theta_1) = -cos(\frac{\pi}{3})$

$cos(\theta_1) = - \frac{1}{2}$

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3 years ago

Part A: The club has learned from experience over the years that when they do not charge an admission fee, attendance is 800 peo

sesenic [268]

Answer:

750

Step-by-step explanation:

800 - 8p = 750

5 0

3 years ago

g During winter, red foxes hunt small rodents by jumping into thick snow cover, without any visual clue. Researchers examined th

Setler79 [48]

Answer: False

Step-by-step explanation:

Events can be classed as being dependent or independent depending on whether the outcome of a certain event affects the outcome of another. In the scenario above, the success rate of jumps in the Northeast direction is higher than in the southwest direction and even much than in other directions. With these uneven rate of success, the probability that a fox will have a successful jump will depend on the direction in which the fox is jumping. With an high expected success probability in the Northeast and southwest than in other directions

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3 years ago

GCF of 110x^3, 30x^4, 60x^8

liberstina [14]

10x^3 is the greatest common factor

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3 years ago