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bija089 [108]
3 years ago
14

If you flip a coin 150 times about how many times would you expect to get heads

Mathematics
1 answer:
meriva3 years ago
3 0
A coin has two sides, which means it has a 1/2 chance of landing on each individual side when you flip the coin. Since there is a 1/2 chance of landing on each side, you could expect the coin to land on "Heads' 75 times. 
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Xin orders 5 identical loaves of bread from the website of a bakery. The total shipping
maw [93]

Answer: I think the answer is 1 5/9

Step-by-step explanation:

4 0
2 years ago
−k−(−8k+7) I'm confused, what is the answer?
mash [69]
-k-(-8k+7)
Distribute the negative sign
-k+8k-7
Combine like terms
7k-7
Nothing further can be done with this equation so the answer is: 7k-7
3 0
3 years ago
Factorise 14x2 – X-3
Blizzard [7]

Answer:

From quadratic formula:

Q=1+168=169

X1,2=1±13/28=>

X1=14/28=1/2

X2=12/28=3/7

(X-X1) (X-X2) =0=>

(X-1/2)(X-3/7)=0

8 0
2 years ago
When dividing with polynomials, the goal is to determine how many times the dividend divides evenly into the?
kkurt [141]
Whether dividing constant terms or polynomials, we always have definitive terms when it comes to division. Suppose we say, 10x divided by 2. The dividend is the 10x and the divisor is the 2. In other words, the dividend is the number to be divided by the divisor, to obtain the answer called the quotient.

When dividing polynomials, your main goal is to be able to divide the dividend evenly into the <em>divisor</em>. For example, we divide x²+2x+1 by x+1. The first thing you're going to focus is, what term will completely divide the first term of the polynomial? That would be x. Why? Because when you multiply x with x+1, the product is x²+x. When you subtract this from the polynomial, the x² will cancel out. All you have to do is subtract x from 2x, yielding x. Then, you carry down the last term of the equation: +1. You do the steps again. The term that will completely divide x+1 by x+1 is 1. When you subtract the two, you will come up with zero. That means there is no remainder. The polynomial is divisible by the divisor. 
                          x + 1
                        ------------------------------------
                  x+1| x²+2x+1
                        - x²+x
                         ----------------------
                                 x +1
                               - x + 
                             ------------
                                    0
5 0
3 years ago
What is the approximate volume of a cylinder with a diameter of 12 meters and a height of 7 meters? Use 3.14 for pi.
storchak [24]
The mathematical equation for volume of a cylinder is pi times radius Squared Times height

The radius squared is 36

So 3.14 x 36 =113.04
Then you multiply 113.04 x 7 = 719.28.
Round that number and you get to 791.3.

So the answer is c
8 0
3 years ago
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