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3 years ago

Use a model to divide. 1/2÷3

Mathematics

1 answer:

mestny [16]3 years ago

5 0

Answer:

≈0.167 (2/3)

Step-by-step explanation:

hope this helps!

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The coefficient of 6x is 1 6 Х

qwelly [4]

Answer:

Step-by-step explanation:

If a number and a variable were together in a term, the number would the the coefficient. The coefficient would multiply the variable.

In '6x', the number '6' is the coefficient. '6' would be multiplying 'x'.

The correct answer should be 6.

6 0

4 years ago

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What is the slope of the line through the points (-2,-1) and (4,3)

Genrish500 [490]

Answer:

2/3

Step-by-step explanation:

the slope is change of y divided by change of x

6 0

3 years ago

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Wrote an equation to find x

Igoryamba

3x+1+52 = 180°

Remember, angles in a straight line must ALWAYS add up to 180°.

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3 years ago

According to insurance records, a car with a certain protection system will be recovered 87% of the time. If 600 stolen cars are

White raven [17]

Answer:

The mean and standard deviation of the number of cars recovered after being stolen is 522 and 8.24 respectively.

Step-by-step explanation:

We are given that according to insurance records, a car with a certain protection system will be recovered 87% of the time.

Also, 600 stolen cars are randomly selected.

Let X = Number of cars recovered after being stolen

The above situation can be represented through binomial distribution;

$P(X=r)=\binom{n}{r}\times p^{r} \times (1-p)^{n-r} ;x=01,2,3,......$

where, n = number of trials = 600 cars

r = number of success

p = probability of success which in our question is the probability

that car with a certain protection system will be recovered,

i.e. p = 87%.

So, X ~ Binom(n = 600, p = 0.87)

Now, the mean of X, E(X) = $n \times p$

= $600 \times 0.87$ = 522

Also, the standard deviation of X, S.D.(X) = $\sqrt{n \times p \times (1-p)}$

= $\sqrt{600 \times 0.87 \times (1-0.87)}$

= 8.24

3 0

3 years ago

Your dog is 16 years old in dog years. Your cat is 28 years old in cat years. For every human year, your dog ages by 7 dog years

Ber [7]

I see this as the difference in their current years is 12, and the difference between the number of years they both age in human years is 3, so after 4 human years they become the same age.

6 0

4 years ago

Use a model to divide. 1/2÷3​

Use a model to divide. 1/2÷3