Please help I need good grade on this

Would you rather discover alien life or an animal that was thought to be extinct?

Vikentia [17]

$\boxed{I\; would\; say\; an\; animal\; that\; was\; thought\; to\; be\; extinct.}$

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The reason i say this is because i don't really want to run into something that i don't know much about. I do know quite a bit about extinct animals more than i do aliens. So, that's my reasoning.

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$\boxed{Hope\;i\;helped!}\\\\\boxed{Thanks,\;AnimeBrainly}$

3 0

3 years ago

Help me pleaseeeeeeeeee

ryzh [129]

Answer:

thats a right triangle

Step-by-step explanation:

because of the little square that is in the one corner telling you that is 90 degrees or a right angle.

8 0

2 years ago

The sun is about 10 • 10 million miles away from earth. Write 10 • 10 using an exponent. Then find the value of the power. How m

marissa [1.9K]

Answer:

so if 10 times 10 is 100
your answer should be 10 to the 2nd power ( the 2nd power is the little number that goes on the top right of 10)

3 0

3 years ago

dion flips a coin 20 times and records if it comes up heads. if getting heads is a success, what is the probability of a success

kolbaska11 [484]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

The probability of success (getting heads) on one roll DOESNT affect other rolls, so we need to find probability of getting a head in a roll.

Probability is defined as the number of favorable outcomes divided by the total number of outcomes.

Here, favorable outcome is getting a head. So, on one roll, getting a head is 1. Also, the total number of outcomes is either a head or a tail. So total number of outcomes is 2.

Thus,

P(Heads) = 1/2

3 0

3 years ago

If a student was randomly guessing while completing a 20 question multiple choice exam, what is the probability they would score

mario62 [17]

Answer:

you want 4 correct and 16 incorrect

there are 20 questions

each question has four answers, so

P(right answer) = 1/4

P(wrong answer) = 3/4

----

Since you want 4 correct of 20 we have a combination of 20C4

This is a binomial problem where p = 1/4, q = 3/4 and we get

(20 "choose" 4)*(probability correct)^(number correct)*(probability incorrect)^(number incorrect)

putting numbers in we get

(20c4)*(1/4)^4*(3/4)^16

This gives us

~ .189685

Step-by-step explanation:

7 0

3 years ago