Answer:
4x+3
Step-by-step explanation:
Answer:
A. 4x+3
Step-by-step explanation:
Combining like terms 8x and −4x
Will give you the asnwer to 4x
which will give you 4x + 3
Which choice would transform the pre-image to the composite image? Make sure the letter for each vertex matches! Select one: a. Reflect across the y-axis and translate 4 down and three left. b. Rotate 180° and reflect across the x-axis. c. Rotate 90° and translate 4 up and 3 right. d. Reflect across the x-axis and translate up 4 and right 3.
d. Reflect across the x-axis and translate up 4 and right 3, this transforms the pre-image to the composite image.
What is composite image?
A composite image is the result of applying multiple transformations to a given pre-image. It is formed by first applying one transformation to the pre-image and then applying another transformation to the resulting image, and so on. The final result is the composite image.
Let's analyze the given options:
a. Reflect across the y-axis and translate 4 down and three left.
This transformation would reflect the pre-image across the y-axis, which would change the signs of the x-coordinates, and then translate it 4 units down and 3 units left. However, this transformation would not result in the composite image provided.
b. Rotate 180° and reflect across the x-axis.
This transformation would rotate the pre-image 180 degrees counterclockwise around the origin, which would change the signs of both the x and y-coordinates, and then reflect it across the x-axis. This transformation would not result in the composite image provided.
c. Rotate 90° and translate 4 up and 3 right.
This transformation would rotate the pre-image 90 degrees counterclockwise around the origin, which would swap the x and y-coordinates and negate the new x-coordinate, and then translate it 4 units up and 3 units right. This transformation would not result in the composite image provided.
d. Reflect across the x-axis and translate up 4 and right 3.
This transformation would reflect the pre-image across the x-axis, which would change the signs of the y-coordinates, and then translate it 4 units up and 3 units right. This transformation would result in the composite image provided.
Therefore, the correct answer is d. Reflect across the x-axis and translate up 4 and right 3.
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Between which two benchmarks is 3/8 how do you know?
Answer:
Step-by-step explanation:
To find the benchmarks between which 3/8 falls, we need to identify the nearest fractions with denominators that are multiples of 8.
The fraction 3/8 is halfway between 1/4 and 1/2, which can be written as 2/8 and 4/8 respectively. So, we know that 3/8 is greater than 2/8 and less than 4/8.
Therefore, the benchmarks between which 3/8 falls are 2/8 and 4/8. Alternatively, we can express these fractions as decimals and say that 3/8 falls between 0.25 and 0.5.
2.) In the coordinate plane, the line with equation y = 5x - 10 crosses the x-axis at the point with coordinates (a, b) What is the value of a? Explain or show your work.
Answer:
6y
Step-by-step explanation:
because if u divde
Answer:
(2,0). First use a graphing calculator called demos. graph the y=5x-10
Once you graph the equation. Look for the cooordinates of the graph. One the coordinates are 2,0
Step-by-step explanation: Hope this helps!! Mark me brainliest!! Have a great spring break!! :))
7. Levi invests $600 into an account earning 4% annual interest compounded monthly. How much money
will he have in 14 years?
Answer:
Step-by-step explanation:
To solve this question, we can use the formula for compound interest:
A = P(1 + r/n)^(nt)
Where:
A is the total amount of money after t years
P is the initial principal (in this case, $600)
r is the annual interest rate (4%)
n is the number of times the interest is compounded per year (12, for monthly compounding)
t is the number of years
Plugging in the values, we get:
A = 600(1 + 0.04/12)^(12*14)
A = 600(1.00333)^168
A = $988.42 (rounded to two decimal places)
So, after 14 years, Levi will have approximately $988.42 in his account.
A penny is 19 mm wide. What is the area of the front side of the penny? Use 3.14 for π. Round to the nearest hundredth if necessary.
HELP ME QUICK PLEASE!
Answer:
≈283,39 mm^2
Step-by-step explanation:
The diameter is 19 mm, so the radius is half diameter (9,5 mm)
[tex]a = \pi \times {r}^{2} = 3.14 \times {9.5}^{2} = 3.14 \times 90.25 ≈ 283.39[/tex]
DUE IN 5 HOURS HELP!
The graph below shows a company's profit f(x), in dollars, depending on the price of goods x, in dollars, being sold by the company:
Part A: What do the x-intercepts and maximum value of the graph represent in context of the described situation?
Part B: What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and profit for the company in the situation described?
Part C: What is an approximate average rate of change of the graph from x = 1 to x = 3, and what does this rate represent in context of the described situation?
Answer:
Step-by-step explanation:
Credits : sqdancefan (Brainly.com)
I changed some of it myself :)
Answer:
A) intercept: 0 profit : Maximum(max) : max profit. increasing x <4 ; decreasing x > 4
B) average slope: ≈50, about $50 increasing profit for each $1 increasing in price.
Step-by-step explanation:
A) The vertical axis of the graph represents profit, so the x-intercepts represent prices in the produce 0 profit. The maximum value of the graph is the maximum profit that can be obtained for anyprice
The higher or largest number of the chart is the maximum reach
B) We read the value of f(1) from the graph to be about 120, so the average rate of change is about ...
(f(4) -f(1))/(4 -1) = (270 -120)/(3) = 50
The average rate of the change from x = 1 to x = 4 is about 50.* This means profit will increase on average $50 for each $1 increase in price in what interval.
______
* if we take the peak profit to be $270 we can write f(x) as ...
f(x) 16.875x(x-8)
Then f(1) = 118.15 ad average rate if changed is 50.625. For the purpose here, we judge the extra precision to be pointless
GIVING BRAINLIEST AND MANY POINTS FOR CORRECT ANSWER!!
Let's say you decide to go for a walk. You start out at home and walk 500 meters total, making a few turns here and there. You stop for a moment and realize you have ended up only 100 meters east of where you started.
What distance did you travel?
What was your displacement?
Answer:
500 meters.
Step-by-step explanation:
matrix flipped 3 coins. what is the probability that all three coins will land on the same side
Answer:
When flipping a coin, there are two possible outcomes: heads or tails. The probability of getting heads on any one flip is 1/2, and the probability of getting tails is also 1/2.
To find the probability that all three coins will land on the same side (either all heads or all tails), we can use the multiplication rule of probability, which states that the probability of two independent events occurring together is the product of their individual probabilities.
So, for each coin flip, there are two possible outcomes, and the probability of getting either outcome is 1/2. To find the probability that all three coins will land on the same side, we need to find the probability of getting either all heads or all tails.
The probability of getting all heads is:
(1/2) x (1/2) x (1/2) = 1/8
Similarly, the probability of getting all tails is also 1/8.
So, the probability of all three coins landing on the same side is:
1/8 + 1/8 = 2/8 = 1/4
Therefore, the probability that Matrix will flip 3 coins and all three coins will land on the same side is 1/8 or 0.125, which can also be written as a fraction or percentage.
The box plot shows the population of several states (in millions). Is the range or the IQR a better measure of variation for these data? Why?
In conclusion, we can say that the IQR is a better measure of variation for these data because it is less affected by outliers and gives a more accurate picture of the spread of the data.
The given box plot illustrates the population of several states (in millions).
The range and the interquartile range (IQR) are both the measures of variation that explain the variation within a set of data, but there are some variations between these two measures.
Let's discuss the differences between these two measures.
Range:
The range is defined as the difference between the highest and lowest values of a data set.
The range is useful for describing the overall spread of the data, which is particularly useful when dealing with very small datasets.
This measure is sensitive to the extreme values, such as outliers.
Because of this, the range of the population of several states can be used to identify the minimum and maximum value for the population of several states.
IQR:
The interquartile range (IQR) is the difference between the 75th and 25th percentiles, also known as the first and third quartiles, in a data set.
The IQR is a better measure of variation than the range because it is less sensitive to extreme values or outliers.
As a result, the IQR is a more robust measure of the spread of the data.
Therefore, it is better to use the IQR for the population of several states since it gives a more accurate picture of the spread of the data.
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Cady stamped 250 envelopes in 10 minutes . How many envelopes per minute did she stamp?
Answer:
25 Per Minute
Step-by-step explanation:
25 X 10 = 250
Hope This Helps! ^^
25 per minute
So if she stamped 250 envelopes in 10 minutes, we have to divide 250 by 10, which equals to 25!
Is each triangle a right triangle? Explain.
The triangle shown in the image above that has sides 8, 24, and 25 is a right triangle because it satisfies the Pythagorean theorem.
How to Determine if a Triangle is a Right Triangle?A triangle with sides 8, 24, 25 is a right triangle.
This is because the sides satisfy the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the two shorter sides (the legs) is equal to the square of the longest side (the hypotenuse).
In this case, we have:
8² + 24² = 64 + 576 = 640
25² = 625
Since 8² + 24² = 25², the triangle satisfies the Pythagorean theorem, and is therefore a right triangle.
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a spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.3 cm/min. at what rate is the volume of the snowball decreasing when the diameter is 12 cm.
The rate of decrease in volume of the snowball when its diameter is 12 cm is approximately 1.36 cm³/min.
When a spherical snowball is melting, it's diameter decreases at a rate of 0.3 cm/min. The rate of change of volume of a sphere is given by:dV/dt= (4π/3)r²(dr/dt)Since the diameter is given as 12 cm, the radius of the snowball is 6 cm.So the diameter is decreasing at a rate of 0.3 cm/min.
We are to find the rate of decrease in volume of the snowball when the diameter is 12 cm.The radius of the snowball is given by r = 6 cm, and the rate of change of its diameter is d = -0.3 cm/min.At this point, we need to calculate the rate of decrease in volume of the snowball when the diameter is 12 cm.
The rate of decrease in volume of the snowball is given bydV/dt = (4π/3)r²(dr/dt)dV/dt = (4π/3)(6 cm)²(-0.3 cm/min)≈ -1.36 cm³/minTherefore, the rate of decrease in volume of the snowball when the diameter is 12 cm is approximately -1.36 cm³/min.
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use excel to find the critical value of z for each hypothesis test. (negative values should be indicated by a minus sign. round your answers to 3 decimal places.) (a) 2 percent level of significance, two-tailed test.
The critical value of z for each hypothesis test is 2.326
In this question, we are asked to use Excel to find the critical value of z for each hypothesis test. We are given a 2 percent level of significance for a two-tailed test. To find the critical value, we can use the NORM.S.INV function in Excel. The syntax for this function is =NORM.S.INV(probability).
We can enter the probability as 1 - (alpha / 2) for a two-tailed test, where alpha is the level of significance. We can then round the result to three decimal places.
To find the critical value for a 2 percent level of significance, two-tailed test, we can follow these steps:
Step 1: Calculate the value of alpha
Alpha = 2% = 0.02
Step 2: Calculate
1 - (alpha / 2)1 - (alpha / 2)
= 1 - (0.02 / 2)
= 0.99
Step 3: Use the NORM.S.INV function in Excel=NORM.S.INV(0.99)
This gives us a critical value of z = 2.326.
Therefore, the critical value of z for the hypothesis test with a 2 percent level of significance and a two-tailed test is 2.326.
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Write the equation of the line in standard form.
y = 3x + 10
X
x
X
X
A
B
C
D
3x + y = -10
3x + y = 10
3x - y = -10
3x - y = 10
The equation of the line y = 3x + 10 in standard form is 3x - y = -10.
What is the equation of line in standard form?Given the equation of line in the question:
y = 3x + 10
To write the equation of the line in standard form, we need to rearrange the equation so that the x and y terms are on the left side and the constant term is on the right side of the equation.
It is expressed as;
Ax + Bx = C
y = 3x + 10
Subtracting 3x from both sides, we get:
y - 3x = 3x - 3x + 10
y - 3x = 10
Reorder
-3x + y = 10
Multiply each term by -1
-3x(-1) + y(-1) = 10(-1)
3x - y = -10
Therefore, the equation in standard form is 3x - y = -10.
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In the diagram, m∠1=45° and m∠3=57.5°.
What is m∠4?
Enter your answer as a decimal in the box.
m∠4 =
°
Triangle with horizontal base. Interior angles labeled from left clockwise 1, 2, 3. Left side of the triangle is extended at angle 2 to create the exterior angle labeled 4.
M∠4 is therefore equivalent to 102.5 degrees as Angles 1 and 3 are the opposing interior angles .
what is angles ?Angles are geometric shapes created by two rays that have a similar terminus, or vertex. Often, the rays are depicted as straight lines with arrows pointing in the appropriate directions. Angles are expressed in degrees, with 360 degrees being a full circle. Angles that are less than 90 degrees are referred to as acute angles, those that are precisely 90 degrees are referred to as right angles, those that are between 90 and 180 degrees are referred to as obtuse angles, and those that are exactly 180 degrees are referred to as straight angles.
given
Angles 1 and 3 are the opposing interior angles in this case, and the exterior angle 4 of a triangle is equal to the total of these angles. We thus have:
m∠4 = m∠1 + m∠3\sm∠4 = 45° + 57.5°
m∠4 = 102.5°
M∠4 is therefore equivalent to 102.5 degrees as Angles 1 and 3 are the opposing interior angles .
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Help me please please
The line of sight distance using the angle of depression 13° is derived to be 2222.71 m to the nearest hundredth meters.
What is an angle of depressionThe angle of depression is an angle formed between the horizontal line and the line of sight when an observer looks downwards.
Considering the right triangle formed by the height of the tower and the complementary angle 77°, we shall represent the line of sight distance for the television camera to the base of the stadium with x so that;
cos 77° = 500/x {adjacent/hypotenuse}
note that 90° - 13° = 77°
x = 500/ cos 77° {cross multiplication}
x = 2,222.7057.
Therefore, the line of sight distance for the television camera to the base of the stadium to the nearest hundredth meters is equal to 2,222.71. Using the trigonometric ratio of cosine for the angle 77° which is complementary to the angle of depression 13°
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clark was asked to complete a self-administered questionnaire posted at mysurvey. what type of survey did clark complete?
Clark completed a self-administered questionnaire, which is also known as an online survey.
This type of survey is administered online and is completed by the participant (in this case, Clark) without the assistance of a researcher or interviewer. It can be delivered through an online form or through an email or online survey link.
The questionnaire typically includes multiple-choice questions, short-answer questions, and rating scales that the participant can answer with a click or tap. After the participant completes the survey, their answers are collected and analyzed by the researcher. This type of survey is a cost-effective and convenient way to collect data from a large number of people in a short amount of time.
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Which expression is not equal to 30? (2 x 60) x (24 + 2), (120 divided by 20) x (2 + 3), 2 + )30- 8 divided by 4), or (9 x 10) divided by (4 + 10) + 122
Option 3's expression, which is (2 x 60/30) x (24 + 2), is the only one that is not equal to 30.
We have to find the expression that is not equal to 30.
1) (120/20) x (2+3)
We'll start by using BODMAS to solve the brackets. The result is; = (120/20) 5
We therefore have:
= 6 x 5
= 30.
2) (9 x 10)/(4 + 1) + 12
Once more, answer the brackets first using BODMAS.
Hence, (90/5) + 12
Hence, (90/5) + 12
= 18 + 12
= 30.
3) (2 x 60/30) x (24 + 2)
Once more, answer the brackets first using BODMAS.
We'll utilize division instead of multiplication in the first bracket.
(2 x 60/30) x (26)
= 2 x 2 x 26
= 104
4) 2 + (30 - 8/4)
Once more, answer the brackets first using BODMAS.
Division comes first in the second bracket. So,
2 + (30 - 8/4)
= 2 + (30 - 2)
= 2 + 28 = 30
Hence, option 3's expression, which is (2 x 60/30) x (24 + 2), is the only one that does not equal 30.
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Produce an equivalent equation for f(x)=7(x-60)-28 to reveal the y-intercept for the function. What is the y-intercept?
The equivalent equation to f(x) = 7(x - 60) - 28 is f(x) = 7x - 448 and the y-intercept is -448
How to determine the equivalent equationGiven that
f(x) = 7(x - 60) - 28
To produce an equivalent equation that reveals the y-intercept of the function f(x) = 7(x-60) - 28, we need to simplify the expression by evaluating it when x = 0, since this will give us the y-intercept.
When the brackets are expanded, we have the following
f(x) = 7x - 420 - 28
Evaluate the like terms
So, we have
f(x) = 7x - 448
So, substituting x = 0 into f(x) gives:
f(0) = 7(0) - 448
Evaluate the expression
f(0) = -448
Therefore, the y-intercept is -448.
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A 3 cm times 10 cm rectangle sits inside a circle with radius of 12 cm
Answer:
Step-by-step explanation: Since the rectangle sits within the larger circle, let's look at it this way:
Area of Shaded Region = Area of Circle - Area of Rectangle
OR
(X) =( pi * r^2 ) - (rectangle length * rectangle width)
Now we fill in the numbers where we know the numbers:
(X) = (pi * (12 cm)^2) - (3cm * 10cm)
(X) = (pi * 144cm^2) - (30 cm^2)
(X) = 144pi - 30
(X) = 452.39 - 30
(X) = 422.39 cm^2
it is estimated that 45% of the senior class will go to prom this year. if you randomly choose 10 seniors and ask them if they are going to prom, would you use the normal approximation to predict these results?
Yes, we would use the normal approximation to predict these results.
When it comes to hypothesis testing and confidence intervals, the normal distribution plays a crucial role.
When sample sizes are large enough, the normal distribution can be used as a reasonable approximation for the binomial distribution.
This is because the binomial distribution approaches the normal distribution as sample size increases.
To calculate the normal approximation, you will need to determine the mean and standard deviation of the binomial distribution.
The mean is np and the standard deviation is the square root of np(1-p),
where n is the sample size and p is the probability of success.
The probability of success in this case is 45%, or 0.45.
Therefore, the mean is 10 * 0.45 = 4.5 and the standard deviation is the square root of 10 * 0.45 * (1 - 0.45) = 1.37.
Now that you have the mean and standard deviation, you can use the normal distribution to make predictions about the sample.
If you want to find the probability that exactly 5 students will go to prom, for example, you would use the formula for the normal distribution with a mean of 4.5 and a standard deviation of 1.37.
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when on a stem and leaf plot and it does not show a number on the right side and only on the right side what would the number be on the right?
When on a stem and leaf plot and it does not show a number on the right side and only on the right side, the number on the right side would be zero.
What is a stem and leaf plot?A stem and leaf plot is a method of organizing numerical data into groups. It is a visual representation of a dataset in which each value is separated into a stem and a leaf. A stem is the left-hand digit(s) of the value, while a leaf is the right-hand digit(s).
The stem and leaf plot contains two columns, one for the stem and the other for the leaf. The stem values are arranged vertically in the left-hand column, and the leaf values are arranged horizontally in the right-hand column. The leaf column should be read from left to right to extract the values.
When a value appears multiple times, its leaves are stacked on top of one another. The stem and leaf plot is an effective method for representing data, particularly when dealing with large datasets.
Hence, If a stem and leaf plot displays a number only on the left side and not on the right side, then the number on the right side would be interpreted as zero.
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how do we ensure trigonometric functions compute values appropriately? what is the value of this expression?
We can ensure trigonometric functions compute values appropriately by validating the results against known values. In order to ensure that the argument is in a short interval surrounding a place where an approximation is highly accurate, one performs a range reduction prior to computing things like a cos or sin.
By comparing the results to established values, we can make sure trigonometric functions compute values correctly. As an example, if we wanted to validate the cosine of 45 degrees, we could compare the result to the known value of 0.707. If the computed value is within a small margin of error of the known value, then we can assume the trigonometric function is computing values appropriately.
In order to calculate functions like cos or sin, one must first perform a range reduction to make sure the input is inside a narrow range surrounding a point where an approximation is highly accurate. It is typically close to zero.
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plum island lighthouse, shines a light from a height of 34 feet with a 2 degree angle of depression. how far out can this light reach into the harbor?
Plum Island Lighthouse can light up the harbor 974.44 feet away from its base.
The angle of depression refers to the angle at which an observer is looking down from an object to a point of reference below. If the angle of depression is increased, the distance from the object to the point of reference decreases. When there is a 2-degree angle of depression, the following formula is used to determine the distance between the observer and the point of reference (in this case, the harbor):tan θ = opposite/adjacent
where θ is the angle of depression, opposite is the height of the object, and adjacent is the distance between the object and the point of reference. Tan 2 = 34/x where x is the distance between the lighthouse and the harbor.tan 2 = 0.03492The angle of depression must be converted to radians to use a calculator.θ = 2π/360 = 0.03491 radians
Therefore,34/x = 0.03492x = 34/0.03492 = 974.44 feet.
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What is 3 - 5 written as a decimal (not a negative number)
Example: 1 - 5 = 0.2
I WILL GIVE BRAINIEST PLEASE HELP THIS IS SO CONFUSING!!!!!
Step-by-step explanation:
3/5 as a decimal is 0.6(explanation is given in your another question please check)
Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. How far is the kite above the ground?
If Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. The kite is about 61 meters above the ground.
How to find the height?We can use trigonometry to solve the problem. Let's call the height of the kite above the ground "h".
Using trigonometry, we can write:
sin (70) = h / 65
Solving for h, we get:
h = 65 * sin(70)
h= 65 * 0.9397
h ≈ 61 meters
Therefore, the kite is about 61 meters above the ground.
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Can anyone please help 10 points
The value of x using similar triangles theorem is = 13/3.
What are similar triangles?Triangles that resemble one another but may not be exactly the same size are said to be comparable triangles.
When two objects have the same shape but different sizes, they can be said to be comparable.
This indicates that comparable shapes superimpose one another when amplified or de-magnified.
The term "Similarity" refers to this characteristic of like shapes.
Now in the given figure,
the proportion of the triangles' side is same.
So, 12/4 = 13/x
x = 13/3
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according to the bureau of justice statistics, 10% of persons age 16 or older had been victims of identity theft during the prior 12 months in 2016. what is the minimal sample size of a random sample of persons age 16 or older to generate a normal distribution approximation?
According to the bureau of justice statistics, 10% of persons age 16 or older had been victims of identity theft during the prior 12 months in 2016. 200 is the minimal sample size of a random sample of persons age 16 or older to generate a normal distribution approximation.
In order to generate a normal distribution approximation from a sample of persons aged 16 or older, a minimum sample size of 200 individuals would be necessary. This number is based on the assumption that 10% of persons aged 16 or older had been victims of identity theft in 2016, according to the Bureau of Justice Statistics.
The normal distribution approximation of a population is determined by obtaining a random sample of the population, and using it to approximate the probability distribution of a given variable. The larger the sample size, the more accurate the approximation will be, so a sample size of 200 individuals is the minimum required to generate a normal distribution approximation.
In order to obtain a random sample, the population must be divided into subgroups and a certain number of individuals from each group should be selected. A larger sample size will be more representative of the population and will improve the accuracy of the approximation.
In conclusion, a minimum sample size of 200 individuals would be necessary in order to generate a normal distribution approximation of persons aged 16 or older in 2016, based on the Bureau of Justice Statistics finding that 10% of persons aged 16 or older had been victims of identity theft during the prior 12 months in 2016.
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Describe each number at least one other way. A)35. 8 million
b)115. 2 thousands
c)97. 8 ten millions
A) 35. 8 million; thirty-five million eight hundred thousand, or thirty-five million eight hundred thousand dollars ,(b)115. 2 thousand; one hundred and fifteen thousand two hundred.(c) 97.8 million eight hundred thousand; 97.8 million eight hundred thousand. or 978 million.
What significance do numbers have?
We need good numeracy skills as parents to assist our children to develop, as patients to grasp healthcare information, and so as politicians to make sense of numbers and economic news. Selections in life were frequently based upon numerical data; in order to arrive at optimal decisions, we must be good at maths.
How are numbers used in everyday life?
Numbers are utilized in a variety of mathematical operations such as summation, subtraction, multiplication, division, percentage, and so on, that we employ in the everyday companies and exchanges. Quantities are numerical symbols representing integers that may be used for numbering, estimating, and doing other arithmetic operations.
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out of a random sample of 1000 dutch men, how many would we expect to be taller than cm (rounded to the nearest whole number)?
Rounding to the nearest whole number, we would expect approximately 251 Dutch men out of a random sample of 1000 to be taller than 190 cm.
To determine how many Dutch men we would expect to be taller than a certain height out of a random sample of 1000, we can use the normal distribution and the properties of the standard normal distribution. We are given that the average height of Dutch men is 183 cm with a standard deviation of 10.5 cm.
To find the probability of a Dutch man being taller than a certain height, we need to convert that height to a standard score or z-score using the formula:
z = (x - μ) / σ
where x is the height we are interested in, μ is the population mean height of Dutch men, and σ is the population standard deviation of Dutch men.
Once we have calculated the z-score, we can use a standard normal distribution table or calculator to find the probability of a Dutch man being taller than that height.
For example, if we want to find the number of Dutch men we would expect to be taller than 190 cm, we can calculate the z-score as:
z = (190 - 183) / 10.5 = 0.67
Using a standard normal distribution table or calculator, we can find that the probability of a standard normal variable being greater than 0.67 is approximately 0.2514.
To find the number of Dutch men we would expect to be taller than 190 cm out of a sample of 1000, we can multiply the probability by the sample size:
1000 * 0.2514 = 251.4
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Complete question is:
Males in the Netherlands are the tallest, on average, in the world with an average height of 183 centimeters (cm) (BBC News website). Assume that the height of men in the Netherlands is normally distributed with a men of 183 cm and standard deviation of 10.5cm. out of a random sample of 1000 dutch men, how many would we expect to be taller than cm (rounded to the nearest whole number)?