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alisha [4.7K]
3 years ago
15

An unbiased coin is tossed 20 times find the probability that the coin lands heads exactly 11 times

Mathematics
1 answer:
alexgriva [62]3 years ago
7 0
Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
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Find the solution to the system of equations. Select all that apply
PolarNik [594]

Answer:

A. (1,0)

Step-by-step explanation:

When you're solving a system of equations algebraically, you're finding the point that exists on both functions. So, when you're finding the solution graphically, you just need to find the point where the two functions intersect. In this case, it's A. (1,0)

5 0
3 years ago
Courtney had $55 to spend at the fair. She paid $22.50 for rides and $14.25 for lunch and snacks. Courtney says she has $18.25 l
Sever21 [200]
B. is the answer all it asking you is she correct that she only has 18.25 to play with for the games.


3 0
3 years ago
Chris bought "c" tickets to a movie for $9 each. Michael bought " m" tickets to another movie for $10 each. Write an expression
Fynjy0 [20]

<u>Answer:</u>

9c + 10 (see below)

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

To find how much Chris spent on tickets, you can write an expression to represent the situation:

$9c

You can do this to find how much Michael spent as well:

$10m

To find how much Chris and Michael spent combined, add their two costs:

9c + 10

5 0
3 years ago
Solve the quadratic by quadratic formula below<br><br> x squared-14x=-49
lubasha [3.4K]
X^2-14x+49=0

Factor
(x-7)(x-7)

Check
-7-7=-14
-7*-7=49

Use ZPP
x-7=0
x=7

Final answer: x=7
5 0
3 years ago
Read 2 more answers
. 9 triangles per 6 circles<br>Triangles<br>Circles<br>9 |<br>24 8<br>30 |<br>50<br>atio.​
professor190 [17]

Answer: 9840

Step-by-step explanation:

Idk

8 0
3 years ago
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