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2 years ago

39.9875 to nearest thousand

Mathematics

1 answer:

Ksju [112]2 years ago

6 0

Answer:

39.988

Step-by-step explanation:

Thousandths you mean?

If so: 39.988 because 39.987 round up.

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2. In a recent survey conducted by the International Nanny Association, 4,176 nannies were placed in a job in a given year. Only

Natali [406]

Answer:

There is a 0.57% probability that a randomly selected nanny who was placed during the last year is a male nanny (a "mannie").

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, we have that:

Desired outcomes:

The number of male nannies selected. 24 of the nannies placed were men. So the number of desired outcomes is 24.

Total outcomes:

The number of nannies selected. 4,176 nannies were placed in a job in a given year. So the number of total outcomes 4176.

Find the probability that a randomly selected nanny who was placed during the last year is a male nanny (a "mannie").

$P = \frac{24}{4176} = 0.0057$

There is a 0.57% probability that a randomly selected nanny who was placed during the last year is a male nanny (a "mannie").

3 0

3 years ago

Does anyone know how to do measure and data?

mihalych1998 [28]

Answer:Research measures include survey questions, interview questions, or constructed situations. When constructing interviews and surveys, it is important that the questions directly relate to the research questions.

I have asked google I hope google helped

Step-by-step explanation:

4 0

2 years ago

Pls help me!!!! I will give brainliest!!!!

Gwar [14]

Answer:

Step-by-step explanation:

because the numbers 0-9 consist of 10 numbers,

having a 70% chance of success means that out of the 10 numbers, 7 are correct.

thus, choice B is correct as it have 7 numbers in it

(rmb to count "0" as a number!)

5 0

3 years ago

Read 2 more answers

How many 3 inch segments can a 4.5 yard line be divided into

Murrr4er [49]

Answer:

Step-by-step explanation:

4 0

3 years ago

What is the radius of the circle given the equation x2 - 6x + y2 + 10y - 2 = 0?

emmasim [6.3K]

$\text{Equation of the circle in standard form:}\\\\(x-h)^2+(y-k)^2=r^2\ \text{where}\\\\\text{(h; k) - coordinates of the center of the circle}\\\\\text{r-the radius}$

$\text{We have:}\\\\x^2-6x+y^2+10y-2=0$

$\text{Use:}\ (a\pm b)^2=a^2\pm2ab+b^2$

$\underbrace{x^2-2\cdot x\cdot3+3^2}_{(x-3)^2}-3^2+\underbrace{y^2+2\cdot y\cdot5+5^2}_{(y+5)^2}-5^2-2=0\\\\(x-3)^2+(y+5)^2-9-25-2=0\\\\(x-3)^2+(y+5)^2-36=0\ \ \ \ |+36\\\\(x-3)^2+(y+5)^2=36$

$\text{coordinates of the center of the circle (3; -5)}\\\\\text{a radius}\ r=\sqrt{36}=6$

5 0

3 years ago

39.9875 to nearest thousand​

39.9875 to nearest thousand