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3 years ago

What is 400 percent as a mixed number?

Mathematics

1 answer:

prohojiy [21]3 years ago

8 0

You can put 400/100 to get the fraction 4/1 or 4, it is not a mixed number though. So the final answer is 4

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What is the answer to x/-3 + 5 = 12

Mariana [72]

Answer:

Step-by-step explanation:

6 0

3 years ago

Let A and B be events with =PA0.7, =PB0.3, and =PA or B0.9. (a) Compute PA and B. (b) Are A and B mutually exclusive? Explain. (

kvasek [131]

Answer:

a) $P(A \cup B) = P(A) +P(B) - P(A\cap B)$

And if we solve for $P(A \cap B)$ we got:

$P(A \cap B) = P(A) + P(B) -P(A\cup B)= 0.7+0.3-0.9 = 0.1$

b) False

The reason is because we don't satisfy the following relationship:

$P(A\cup B) = P(A) + P(B)$

We have that:

$0.9 \neq 0.3+0.7 =1$

c) False

In order to satisfy independence we need to have the following condition:

$P(A \cap B) = P(A) *P(B)$

And for this case we don't satisfy this relation since:

$0.1 \neq 0.7*0.3 = 0.21$

Step-by-step explanation:

For this case we have the following probabilities given:

$P(A) = 0.7, P(B) =0.7, P(A \cup B) =0.9$

Part a

We want to calculate the following probability: $P(A \cap B)$

And we can use the total probability rule given by:

$P(A \cup B) = P(A) +P(B) - P(A\cap B)$

And if we solve for $P(A \cap B)$ we got:

$P(A \cap B) = P(A) + P(B) -P(A\cup B)= 0.7+0.3-0.9 = 0.1$

Part b

False

The reason is because we don't satisfy the following relationship:

$P(A\cup B) = P(A) + P(B)$

We have that:

$0.9 \neq 0.3+0.7 =1$

Part c

False

In order to satisfy independence we need to have the following condition:

$P(A \cap B) = P(A) *P(B)$

And for this case we don't satisfy this relation since:

$0.1 \neq 0.7*0.3 = 0.21$

4 0

3 years ago

Which is equivalent to7^(3/2) over 7^(1/2)?

Doss [256]

The answer is c! you just subtract: 3/2-1/2, which is 1.

6 0

3 years ago

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If a man walks at the rate of 2 ft./s how many minutes will it take him to walk 720feet

KonstantinChe [14]

Answer:

It would take 6 minutes.

Step-by-step explanation:

720/2=360

360/60=

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3 years ago

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What is the value of the exponential expression 16 1/2

Oksana_A [137]

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Anything to the power of a half means you square root it

The square root of 16 is 4

Therefore, your answer is 4

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

3 0

3 years ago