1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
irina1246 [14]
3 years ago
8

What is the answer plz ?

Biology
1 answer:
yarga [219]3 years ago
5 0

Answer:

18°

Explanation:

Remember this:

All angles inside a triangle sum up to 180°.

So in your case:

∠A + ∠B + ∠C = 180°

Now you need to solve for ∠A, but you need to know what x is first. So we solve for it by plugging in the expressions into one equation. Let's start with what is given:

∠A = x -22

∠B = 3x + 19

∠C = x - 17

So we plug use the given and put it into our first equation so we can solve for x:

∠A + ∠B + ∠C = 180°

(x - 22) + (3x + 19) + (x - 17) = 180°

(x - 22) + (3x + 19) + (x - 17) = 180\\\\ Combine\;like\;terms\\\\5x - 20 = 180\\\\Add\;20\;to\;both\;sides\;of\;the\;equation\\\\5x - 20 + 20 = 180 + 20\\\\5x = 200\\\\Divide\;both\;sides\;by\;5\\\\\dfrac{5x}{5}=\dfrac{200}{5}\\\\x = 40

Now that we know that x = 40, we substitute that into the equation of ∠A.

∠A = x -22

∠A = 40 -22

∠A = 18°

You might be interested in
Sponges can be found in both marine and freshwater environments. True or False
aniked [119]

Answer:

The answer is True

Explanation:

Hope this helps.

7 0
3 years ago
The part of the brain that distinguishes the human qualities that we have over animals is the
g100num [7]
The part of the brain that distinguishes the human qualities that we have over animals is the frontal lobe. <span>It </span><span>is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behavior. It is, in essence, the “control panel” of our personality and our ability to communicate.</span>
3 0
3 years ago
Read 2 more answers
The Canada goose and its subspecies may be undergoing _______, the process of new species forming or becoming distinct.
kobusy [5.1K]

Answer:speciation

Explanation: Speciation is the evolutionary process by which populations evolve to become distinct species. There are four geographic modes of speciation in nature, based on the extent to which speciating populations are isolated from one another these are allopatric, peripatric, parapatric, and sympatric. Speciation may also be induced artificially, through animal husbandry, agriculture, or laboratory experiments.

4 0
3 years ago
What happens to the states of matter when the temperature changes
stepladder [879]

    They may either release heat or gain heat. With a temperature increase, the kinetic energy increases and the state of matter will increase (example, ice to water aka solid to liquid)

    If the temperature decreases, then the kinetic energy decreases and the state of matter will decrease (example, water vapor to water aka gas to liquid)

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

6 0
2 years ago
1. What are three characteristics of a young river?
Pachacha [2.7K]

Answer: Young rivers are channels that are deeper than they are wide, have a very fast flow, and contain frequent waterfalls and rapids

4 0
2 years ago
Read 2 more answers
Other questions:
  • Where does protein synthesis take place?
    10·1 answer
  • How do waterfalls form?
    9·2 answers
  • ?Which of the following populations exhibit an exponential type of growth?the growth of sparrows, which is periodically reduced
    8·2 answers
  • Are kangaroo rats decomposer, producer, herbivore, carnivore
    12·1 answer
  • A client with a diagnosis of paranoid schizophrenia throws a chair across the room and starts screaming at the other clients. se
    10·1 answer
  • The person credited with being the co-discoverer of evolution by natural selection was
    14·1 answer
  • Chromosomes from a mother and a father combine during fertilization. What does the offspring of two parents inherit through thes
    8·1 answer
  • Which alele combination represents a male who has an X-linked recessive disorder?
    13·1 answer
  • How can mutations affect organisms
    9·1 answer
  • A blood sample is taken from a blood spatter pattern at a crime scene. the blood was found to be type a . since the primary susp
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!