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tigry1 [53]
3 years ago
7

If 20 coins are tossed, find the probability that they'll all land on tails.

Mathematics
1 answer:
marishachu [46]3 years ago
4 0
The probability would be split for this problem cause knowing with 20 coins , you can split that even amount ... here's what I would do..


Michelle has 20 coins , but only half of them land on heads and others on tails


As for a half , halves are always equaling to 1/2 or 50 (%)  knowing we have 20 , you can evenly split that number of coins in a equal position

So ask your self .. what is half of 20? hmmm .. oh I got it , its 10! so knowing you have 20 but then later you split into half which is 10 ... meaning and knowing you have a 50% probability of getting the 20 coins hitting onto tails

hope this helps!

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Which of the following would happen if the normal force and gravitational force acting on an object were unequal?
kotykmax [81]

Well, the normal force and the force of gravity are equal, however, they travel in opposite directions. Mass never changes and temperature has to do with the ambient environment and the object itself. That eliminates 3 and 4. The force of gravity pulls downwards as we see it, so that eliminates option 1. Your answer is option 2.

Answer: The object would move up or down(Option 2)

6 0
3 years ago
On Tuesday at 8:00am the temperature was 38 degrees. By 2:30pm, the temperature had fallen to (-12). What was the total drop in
steposvetlana [31]

Answer:

26 degrees

Step-by-step explanation:

so you do 8:00 - 2:30 which is 5:70. then you subtract 12 from 38 to get 26. The total drop was 26 degrees!

pls mark me as brainliest hope this helps!

6 0
3 years ago
Which equation represents a proportional relationship? A) y = x 8 B) y = 8 x C) y = x 8 + 8 D) y = 8 x + 8
Liula [17]

Answer:

B y=8x

Step-by-step explanation:

A proportional relationship must go through the point x=0, y=0 and be in the form y=kx  where x is a constant

A) y = x^8

B) y = 8 x

C) y = x^8 + 8

D) y = 8 x + 8

The only points that is in the form y= kx is option B

C and D do not go through x=0, y=0  and A is not in the form y=kx where k is a constant

6 0
3 years ago
Use the graph below. Explain why the intervals on the horizontal axis could make the graph misleading
borishaifa [10]

Answer:

(D) I think

Step-by-step explanation:

Lets look at our answer choices; A.

The intervals are not comparable. The shorter bar spans more than 10 years. When it comes to a horizontal axis it doesn't matter how far it expands,just if it's expanded correctly.

B.The intervals are appropriately labeled. There not it goes from 25 to 50 in just in instant few climbs up.

C.The intervals are not comparable, but the data on the graph is not misleading. It is misleading the graphs are incorrectly labeled.

Which brings us to our answer D.The vertical axis does not have an appropriate scale. it goes from 0-25 25-50 and 50-75 then 75-100. that's a short distance for such numbers that are pretty far apart.

I hope I'm right and I hope this helps:)!

5 0
3 years ago
Read 2 more answers
Plssss help me I gotta turn the rest of my other assignments my 11:59 pm <br> T-T
Ad libitum [116K]
B hope this helps good luck
3 0
3 years ago
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