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Contact [7]
3 years ago
9

To find the square root of a number, you must divide the number by 2. True False

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0
To find the square root of a number you would have to divide it by 2
So yes the answer is true
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A company that makes hair-care products had 2,000 people try a new shampoo. Of the 2,000 people, 4 had a mild allergic reaction.
bazaltina [42]

Answer:

0.2%

Step-by-step explanation:

2,000 people tested the new shampoo.

4 people had a mild allergic reaction.

4 is what percentage of 2,000?

0.2 percent.

(2,000 = %99.8)

4 0
2 years ago
For two events and , the probability that occurs is 0.8, the probability that occurs is 0.4, and the probability that both occur
sergey [27]

Answer:

P(B|A)=0.25  , P(A|B) =0.5

Step-by-step explanation:

The question provides the following data:

P(A)= 0.8

P(B)= 0.4

P(A∩B) = 0.2

Since the question does not mention which of the conditional probabilities need to be found out, I will show the working to calculate both of them.

To calculate the probability that event B will occur given that A has already occurred (P(B|A) is read as the probability of event B given A) can be calculated as:

P(B|A) = P(A∩B)/P(A)

      = (0.2) / (0.8)  

P(B|A)=0.25

To calculate the probability that event A will occur given that B has already occurred (P(A|B) is read as the probability of event A given B) can be calculated as:

P(A|B) = P(A∩B)/P(B)

          = (0.2)/(0.4)

P(A|B) =0.5

7 0
3 years ago
How to draw a model of 23/5
raketka [301]
What type of model are you talking about?
7 0
3 years ago
The U.S based motorcycle manufacturer says that it expects to build 138,000 motorcycles this year, up from 128,000 last year. Fi
MrMuchimi
138,000/ 128,000 = 7.8125% Just divide new value into old value
8 0
3 years ago
Dados os vectores ⃗⃗ = (2, −4), ⃗ = (−5, 1) e ⃗⃗ = (−12, 6), determinar 1 e 2 tal que
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sus sus sus sus sus sus sus sus sus sus sus sus sus sus sus sus

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2 years ago
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