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3 years ago

What is 1, 852 in expanded form

Mathematics

2 answers:

nika2105 [10]3 years ago

6 0

Answer:

1,000 + 800 + 50 + 2

Step-by-step explanation:

first you add 1,000 to 800 that makes 1,800 then add 50 to 1,800 then this makes 1,850 then just add a 2 then it makes your answer that is: 1,852

OverLord2011 [107]3 years ago

5 0

Expanded form is just each place value split into addition.

so 1,852 is
1000 + 800 + 50 + 2

that's all

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Anthony is planning a trip, using

finlep [7]

Answer:

225 miles

Step-by-step explanation:

(15)(15)=225

Hope this helps

7 0

2 years ago

(x - 2)(-5x2 + x) = (x)(-5x2)+(*)(x) + (-2)(-5x2)+(-2)(x) is an example of:

IgorLugansk [536]

Answer:

x=0 or x=1

Step-by-step explanation:

(x−2)(−5x2+x)=x(−5x2)+x−2(−5x2)−2x

−5x3+11x2−2x=−5x3+10x2−x

Step 1: Add 5x^3 to both sides.

−5x3+11x2−2x+5x3=−5x3+10x2−x+5x3

11x2−2x=10x2−x

Step 2: Subtract 10x^2-x from both sides.

11x2−2x−(10x2−x)=10x2−x−(10x2−x)

x2−x=0

Step 3: Factor left side of equation.

x(x−1)=0

Step 4: Set factors equal to 0.

x=0 or x−1=0

x=0 or x=1

3 0

3 years ago

The sample mean for these data is = 3.74 ounces. The dotplot below shows the

ladessa [460]

The margin of error is obtained as the ratio of the standard deviation and the square root of the sample size. It is a measure of the amount of difference that is expected to exist between the actual population value and the value obtained from the sample.

<em>Margin of Error = ±0.01</em>

<u>Margin of Error can be calculated using the relation</u> :

Margin of Error = σ/√n

Margin of Error = 0.228 ÷ √500 = 0.010

Therefore. the margin of error can be interpreted to mean that the value of the mean obtained from the sample is expected to differ from the mean of the population weight by ±0.01

Learn more :brainly.com/question/13218948

5 0

2 years ago

An artist cuts the bottom 4 inches from an empty sphere with a radius of 12 inches to make a bowl. How long, to the nearest tent

Zolol [24]

We have been given that an artist cuts the bottom 4 inches from an empty sphere with a radius of 12 inches to make a bowl. We are asked to find the length of the rim of the bowl.

The rim of the bowl will be equal to the perimeter of circle with radius of 12 inches.

$\text{Perimeter of circle}=2\pi r$ , where r represents radius of circle.

$\text{Perimeter of circle}=2\pi (12\text{ inches})$

$\text{Perimeter of circle}=24\pi \text{ inches}$

$\text{Perimeter of circle}=75.39822 \text{ inches}$

$\text{Perimeter of circle}\approx 75.4 \text{ inches}$

Therefore, the rim of the bowl is approximately 75.4 inches.

6 0

3 years ago

Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). If GRE scores are normally distributed and have m

valina [46]

Answer:

Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population $\mu=600$

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

$\mu=600$ represent the population mean for the Graduate Record Exam (GRE)

$\sigma=25$ represent the population standard deviation for Graduate Record Exam (GRE)

2) Solution to the problem

Let X the random variable that represent the Graduate Record Exam (GRE) of a population, and for this case we know the distribution for X is given by:

$X \sim N(600,25)$

Where $\mu=600$ and $\sigma=25$

We want to find the z score for a score of 550. And in order to do this we need to apply the formula for the z score given by:

$z=\frac{x-\mu}{\sigma}$

If we apply this formula to our probability we got this:

$z=\frac{550-600}{25}=-2$

So the answer for our case would be Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population $\mu=600$

7 0

3 years ago