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2 years ago

Toni is tossing 2 coins. What is the probability of landing a heads and then landing another heads?

Mathematics

2 answers:

seraphim [82]2 years ago

7 0

Answer:

here is your answer buddy

possible out comes = HH, HT TH TT

SO YOUR ANSWER IS = 1/4

Step-by-step explanation:

hope it will help you and please mark me as brilliant

Usimov [2.4K]2 years ago

7 0

Answer:

Toni is tossing 2 coins, the probability of landing a heads (P1 = 1/2) and then landing another heads (P2 = 1/2) would be: P = P1 x P2 = (1/2) x (1/2) = 1/4

Hope this helps!

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If y varies directly as the x^2 and y = 200 when x = 5, what is the value of y when x = -3?

gayaneshka [121]

As the variation is direct we have:
$y = kx ^ 2
$
We must find the value of k.
For this, we use the following data:
y = 200 when x = 5
Substituting values we have:
$200 = k5 ^ 2
$
Clearing k:
$k = 200/5 ^ 2

k = 200/25

k = 8$
Then, the function is:
$y = 8x ^ 2
$
We evaluate the function for x = -3
$y = 8 (-3) ^ 2

y = 8 (9)

y = 72$
Answer:
the value of y when x = -3 is:
c.
72

6 0

3 years ago

Find f(x) if it is known that f(x−6)=12x−72.

zheka24 [161]

Answer:

f(x)=12x

Step-by-step explanation

We know that f(x) is our y-coordinate and x is the x-coordinate

Next we should insert x-6 as x in the equation

This is f(x)=12(x-6)-72

But if you look at this that leads to 12x-72 (ignore y-intercept)

That is our first equation

This means that if you take out -6 from the x

You will get f(x)=12x

(Also do you go to RSM?)

5 0

3 years ago

Q and R are independent events. if P(Q)= 1/4 and P (R)= 1/5, find P(Q and R)

Setler79 [48]

Answer:

1/4 * 1/5 = 1/20

3 0

2 years ago

(Branliest!) Edith uses the greatest common factor and the distributive property to rewrite this sum: 32 + 24 Which expression d

kotykmax [81]

Answer:

A. 2(16+12)

Step-by-step explanation:

1. 2x16=32

2. 2x12=24

3. 32+24=56

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3 years ago

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timofeeve [1]

Answer:

20 is the correct answer

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3 years ago

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