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3 years ago

Will mark brainliest if answer is correct

Mathematics

1 answer:

kiruha [24]3 years ago

6 0

Answer:

Both of them are not functions

Step-by-step explanation:

In the first one you can see that the numbers repeat (You can't have that in a function)

And the second one is a circle, which can never be a function.

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A coin is tossed 10 times. True or false, and explain: (a) The chance of getting 10 heads in a row is 1/1,024. (b) Given that th

Llana [10]

Answer:

a and b both are true.

Step-by-step explanation:

Given : A coin is tossed 10 times.

To find : True or false, and explain ?

Solution :

(a) The chance of getting 10 heads in a row is $\frac{1}{1024}$

Coin has two face head and tail.

The probability of getting head is $P(H)=\frac{1}{2}$

The probability of getting 10 heads in a row is

$P=(P(H))^{10}$

$P=(\frac{1}{2})^{10}$

$P=\frac{1}{1024}$

The chance of getting 10 heads in a row is $\frac{1}{1024}$ is true.

(b) Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is $\frac{1}{2}$ .

The probability of getting 10 heads in a row is $P_1=(\frac{1}{2})^{10}$

The probability of getting 9 tosses were heads is $P_2=(\frac{1}{2})^{9}$

Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is given by,

$P=\frac{P_1}{P_2}$

$P=\frac{(\frac{1}{2})^{10}}{(\frac{1}{2})^{9}}$

$P=(\frac{1}{2})^{10-9}$

$P=\frac{1}{2}$

Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is $\frac{1}{2}$ is true.

3 0

4 years ago

How do u simplify 5( -4+h )

SpyIntel [72]

Use distributive property like -20+5h

5 0

3 years ago

Read 2 more answers

The length of a rectangle is one unit less than three times its width. Identify the graph that represents the relationship betwe

malfutka [58]

Answer:

The fourth graph

Step-by-step explanation:

Let x = width

The length is one less than 3 times the width, so length = 3x - 1

So we have a rectangle with length, 3x - 1, and width, x

So the area = y = (3x-1)(x)

So our equation:

y = (3x - 1)*(x)

If we check the x-intercepts, we see that y = 0 when x = 0 and 1/3. The only graph that has (0,0) and (1/3, 0) is the fourth graph, making that one our graph.

4 0

3 years ago

4:25 am. What is the time that is 4 hours and 45 minutes after the time shown?

docker41 [41]

The time would be 9:10 am because 4 + 4 = 8 and then 25 + 45 is 70 so an hour is 60 minutes and then you just add the extra 10 minutes

4 0

3 years ago

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Identify the point and slope this equation: y+3-2(x-2)

andrew-mc [135]

Answer:

y+7-2x

Step-by-step explanation:

y+3-2(x-2)=

y+3-2x+4=

y+7-2x

Can I have Brainliest.

Have a nice day.

Best Regards

3 0

3 years ago