Camila measured a line to be 17.5 inches long. If the actual length of the line is 18.5 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
Please help, thanks :)

So the reason for the discrepancy between the calculated result and the result obtained by hand is due to how the remainder is being handled.

By hand, the remainder is kept as a separate value, whereas a calculator may display the result as a decimal instead of showing the remainder.

When dividing 587 by 187 by hand, the result would indeed be 0 with a remainder of 16:

3 | 5 8 7

  - 5 6 1

  -------

    2 7 6

    2 8 1

    -----

      9 6

Therefore, the quotient is 0 with a remainder of 16, which can also be written as 0.085 by dividing the remainder (16) by the divisor (187).

However, when using a calculator, it may display the result as a decimal instead of showing the remainder. In this case, the calculator would compute 587 divided by 187 as 3.136, which can be rounded to 0.357 if the result is being displayed to three decimal places.

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Answer:

Monopoly is a market situation in which a single firm produces a good or service that has no close substitutes, and the company is the only seller.

The following are some of the qualities of monopoly:

Characteristics of Monopoly: The following are some of the features of monopoly:

Single Seller: The most important feature of a monopoly is that it has only one seller.

No close substitutes: Another important feature of monopoly is that the commodity has no close substitutes.

No entry: A monopoly industry cannot have any new competitors in the market.

Price Discrimination: Price discrimination is the process of charging various prices for the same product or service to different customers or groups of customers.

Real-World Examples:

The following are some examples of price discrimination in the real world:

Student Discount: Colleges and universities provide students with discounted tickets, subscriptions, or software licenses based on their student status.

Senior Citizen Discount: Senior citizens are offered discounts on a variety of goods and services, including transportation, health care, and entertainment.

Matinee Discount: Some movie theaters offer discounted tickets for daytime screenings.

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Answer:

5

Step-by-step explanation:

14+6= 20 this means 4y must equal 20.

20 divided by 4 is 5

y=5

Answer:

1. x=13/3

2.y=5

3.2=0

4.x=0

5.y=2/5

6.z=-9/4

Step-by-step explanation:

If we change an estimate with a 95% confidence interval to one with a 99% confidence interval, (A) we can expect the width of the confidence interval to widen.

We have a 5% probability of being incorrect with a 95% confidence interval.

We have a 10% probability of being incorrect with a 90% confidence interval.

A 95% confidence interval is narrower than a 99% confidence interval (for example, plus or minus 4.5 percent instead of 3.5 percent).

We can anticipate an increase in the width of the confidence interval if we convert an estimate with a 95% confidence interval to one with a 99% confidence interval.

The 68-95-99.7 Rule states that 95% of values fall within two standard deviations of the mean, hence to calculate the 95% confidence interval, you add and subtract two standard deviations from the mean.

Therefore, if we change an estimate with a 95% confidence interval to one with a 99% confidence interval, (A) we can expect the width of the confidence interval to widen.

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Complete question:
If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect the _____.

a. width of the confidence interval to increase

b. width of the confidence interval to decrease

c. width of the confidence interval to remain the same

d. sample size to increase

Answer:

(3) 30 degrees

Step-by-step explanation:

Dilations are non rigid transformations meaning they dont change angle degree measures only side lengths. So FED degree measure stay the same.

Answer:

(3) 30

Step-by-step explanation:

Angles don't change in these cases, they are the same even after the dilatation

he should get 4.63 in change

first of all you divide 4 and 61.48 after that you get 15.37 then you subtract by the 20 dollar bill and then get 4.63

The given function is y = 2 + 4e^(-5x). Here, x lies between 2 and 4. The curve will be rotated about the x-axis to form a solid of revolution. We need to find its volume.

The curve rotated about the x-axis is given below:The formula for the volume of a solid of revolution formed by rotating the curve f(x) about the x-axis in the interval [a, b] is given byV=π∫a^b[f(x)]^2dxThe given function is rotated about the x-axis. Thus, the formula will becomeV=π∫2^4[y(x)]^2dx

First, we need to find the equation of the curve obtained by rotating the given curve about the x-axis.The equation of a circle of radius r, centered at the origin (0, 0), is given by r² = x² + y².Rearrange this equation to find a formula for y in terms of x and r. (Take the positive root.)Equation: y = sqrt(r² - x²)The positive root is taken to obtain the equation of the upper part of the circle.The interval of x is from 2 to 4 and the function is 2 + 4e^(-5x).

We have:r = 2 + 4e^(-5x)Putting this value of r in the equation of y, we get:y = sqrt[(2 + 4e^(-5x))^2 - x²]The required volume of the solid of revolution is:V=π∫2^4[y(x)]^2dx= π∫2^4[(2 + 4e^(-5x))^2 - x²]dx= π ∫2^4[16e^(-10x) + 16e^(-5x) + 4]dx= π [ -2e^(-10x) - 32e^(-5x) + 4x ](limits: 2 to 4)= π (-2e^(-40) - 32e^(-20) + 16 + 64e^(-10) + 32e^(-5) - 8)≈ 14.067 cubic units.

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The probability of at least 1 attack in 20 years is approximately:

We can solve this problem by using the binomial distribution formula, where:

n = number of trials = 20 years

p = probability of success (being attacked by a bear) in one trial = 0.25 × 10^-6

x = number of successes (being attacked by a bear) in n trials = at least 1 attack

The probability of at least 1 attack in 20 years can be calculated as the complement of the probability of no attacks in 20 years, which is given by:

P(no attacks in 20 years) = (1 - p)^n

Substituting the values, we get:

P(no attacks in 20 years) = (1 - 0.25 × 10^-6)^20 ≈ 0.999995

Therefore, the probability of at least 1 attack in 20 years is approximately:

P(at least 1 attack in 20 years) = 1 - P(no attacks in 20 years) ≈ 1 - 0.999995 ≈ 0.000005

This means that the probability of being attacked by a bear at least once in 20 years of camping is very low, approximately 0.0005%. However, it is still important to take appropriate precautions while camping in bear country, such as storing food properly and carrying bear spray.

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Answer:

17. 1 = 2 = 45, 3 =135

18. 1 = 2 = 105.5

Step-by-step explanation:

17.

isosceles trapezoid properties:

Angle 1 = Angle 2

Angle 3 = 135

sum of the angles in any quadrilateral is 360

A1 + A2 + A3 + 135 = 360

A2 + A2 + 135 + 135 = 360

2A2 = 360 - 135 - 135

2A2 = 90

A2 = 90/2 = 45

So

A1 = A2 = 45

18.

Draw straight line from edge at 1 to edge at 2

Now you have two isosceles triangle

isosceles triangle properties:

angles opposite to equal sides are equal in measure

sum of the angles in any triangle is 180

refer photo for calcukation

Answer:

$18

Step-by-step explanation:

back deck = 18 ft. x 5 ft.

water proofing cost = $6 per can

1 can covers = 30 sq. ft.

find:

how much will the project cost her total

number of cans required =       area covered          =   18 x 5    =  3 cans

                                             area covered per can           30

therefore,

the project will cost

3 cans x $6 per can = $18

The value of y in the equation 1/2 = 1/4y + 1/8y when solved is y = 4/3 .

A linear equation in one variable is defined as an equality between two expression either or both containing the variable .

The given expression can be written a linear equation of the form :

1/2 = 1/4y + 1/8y

Simplifying the equation we get :

y = 4 / 3

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The probability that from a bag containing nine marbles, numbered one through nine, and one marble is blindly chosen, it will be a 7 is 0.11.

The probability refers to the chance of an expected event, outcome, or success happens amid several possible events, outcomes, or successes.

Probability values lie between 0 and 1, depending on the certainty level.

We can represent probability as a fraction, decimal, percentage, or zero or one.

The total number of marbles in a bag = 9

The numbering of the marbles = 1 through 9

The probability of selecting a 7 = 1/9 = 0.11 = 11%

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The statements that are true regarding triangle XYZ are XZ = 9√2 and YZ = 9

from the question, we have the following parameters that can be used in our computation:

XY = 9 cm

Also, we have the right triangle

The acute angle in the triangle is 45 degrees

This means that

XY = YZ = 9

It also means that

XZ = XY√2

So, we have

XZ = 9√2

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(a) FALSE: The statement Z12≅A4 is false. Z12 represents the additive group of integers modulo 12 under addition, and A4 represents the alternating group of permutations on 4 elements. These two groups are not isomorphic. Z12 is a cyclic group of order 12, while A4 is a non-abelian group of order 12.

(b) TRUE: The statement Z18*≅Z6 is true. Z18* represents the multiplicative group of integers modulo 18 under multiplication, and Z6 represents the additive group of integers modulo 6 under addition. Both of these groups are cyclic of order 6 and are isomorphic to each other.

(c) FALSE: The statement R≅R* is false. R represents the additive group of real numbers under addition, and R* represents the multiplicative group of non-zero real numbers under multiplication. These two groups are not isomorphic. R is an infinite group, while R* is not even a group as it lacks the identity element (0).

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To obtain a sense of predictability, Kelly suggests engaging in hypothesis testing (d).

Kelly's suggestion aligns with the scientific method, which involves formulating hypotheses and testing them to make predictions and gain a sense of predictability. Hypothesis testing is a systematic approach that allows us to evaluate the validity of a proposed explanation or theory.

Template matching (a) refers to a process where incoming information is compared to stored templates or patterns to identify similarities. While it may be useful in certain contexts, it does not directly address the concept of predictability or the systematic evaluation of hypotheses.

Theory construction (b) involves the development of explanatory frameworks that describe and explain phenomena. While theory construction can contribute to predictability by providing overarching explanations, it is typically preceded by hypothesis testing to validate or refine the proposed theories.

Scientific discovery (c) refers to the process of making new observations, uncovering new phenomena, or formulating novel theories. While scientific discovery plays a crucial role in expanding knowledge and understanding, it is often followed by hypothesis testing to validate or refine the newly discovered information.

Therefore, Kelly's suggestion of engaging in hypothesis testing (d) is aimed at obtaining a sense of predictability by systematically evaluating and testing hypotheses to make reliable predictions about future outcomes or observations.

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Answer:

10.5 miles per minute

Step-by-step explanation:

630/60=10.5

Answer:

Done :)

Step-by-step explanation:

a) To construct a frequency distribution table with a class width of 3 and starting with the interval 0-3, we can organize the data into the following intervals: 0-3, 3-6, 6-9, 9-12. Then we can count the number of data points that fall into each interval:

Interval Frequency

0-3 10

3-6 11

6-9 7

9-12 2

b) To find the percentage of people in the survey who spend more than 6 hours but less than or equal to 12 hours per day watching TV, we can add the frequencies of the intervals that fall within this range (6-9 and 9-12) and divide by the total number of people surveyed: (7 + 2) / 30 ≈ 0.30. So 30% of people in the survey spend more than 6 hours but less than or equal to 12 hours per day watching TV.

Based on the amount of gasoline Mario bought in gallons, the amount in liters would be 5.8 liters.

A single gallon is equivalent to 3.875 liters.

If Mario bought 1.5 gallons of gasoline, the amount he bought in liters would be:

= Gasoline in gallons x Number of liters per gallon

= 1.5 x 3.875

= 5.8125

= 5.8 liters

In conclusion, Mario bought 5.8 liters of gasoline.

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Answer:5

Expand 0.6/0.12

by multiplying both numerator and the denominator by 100.

60/12

Divide 60 by 12 to get 5.

5

Answer:

55

Step-by-step explanation:

6.6/12 = 55

The volume of a sphere is given by the following formula

Where r represents the radius of the sphere.

To find the volume of a sphere with a radius equals to 2, we just need to evaluate r = 2 on the given formula.

The volume of this sphere is 32ft³.

Answer:

3rd graph

Step-by-step explanation:

Answer:

The third one

Step-by-step explanation:

Answer:

4,840

Step-by-step explanation:

15% of 22000 is 3300 and 7% of 22000 is 1540 so add those together to get 4840.

Then a z-score such that the interval within one standard deviation of the mean contains a 50%  probability is 1.

To find a z-score where an interval within x standard deviations of the mean contains a 50%  probability, you can use the standard normal distribution (also known as the z-distribution).

In a standard normal distribution, the 50%  probability is between -1 standard deviation and +1 standard deviation from the mean. Therefore, a range within one standard deviation contains a 50%  probability.

If you want to obtain a z-score over a range of x standard deviations, you can simply set x  to the desired number of standard deviations. In this case x = 1.

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We have;3 × b × l ≠ πr²h This can also be written as;3 × b × l ≠ 2V, where V is the volume of the cylinder.

Given that the cross-sectional areas of a right triangular prism and a right cylinder are congruent. The right triangular prism has a height of 6 units, and the volume of the triangular prism is twice the volume of the cylinder.

O The volume of the triangular prism is not equal to the volume of the cylinder.A right triangular prism is a solid 3D shape having two congruent, parallel bases.

The bases of a right triangular prism are right triangles, while the other faces of the prism are rectangular. A cylinder is a 3D shape that has two circular bases.

It has constant cross-sectional areas that are congruent.The volume of a triangular prism is given by;V = 1/2 × b × h × lWhere b and h are the base and height of the triangle, respectively, and l is the length of the prism.

Given that the prism has a height of 6 units, the volume can be given as;V = 1/2 × b × h × l= 1/2 × b × 6 × l= 3 × b × lThe volume of a cylinder is given by;V = πr²h, where r is the radius of the cylinder and h is the height of the cylinder.

Since the cross-sectional areas of the prism and cylinder are congruent, their base areas must be equal. Therefore, the base area of the triangular prism is equal to the area of the circular base of the cylinder.

We can equate these areas to get;3 × b × l = πr² (since the height of the cylinder is the same as the height of the prism)The volume of the triangular prism is twice the volume of the cylinder.

Therefore, we can write;3 × b × l = 2πr²hHowever, the volume of the triangular prism is not equal to the volume of the cylinder.

Therefore, the volume of the triangular prism is twice the volume of the cylinder, but the volume of the prism is not equal to the volume of the cylinder.

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The exponential expression for the population of the bat will be \(y = 130(1.2)^x\).

Powers can be expressed succinctly using exponential expressions. The exponential function can be written as \(y = k^x\). Because 2 is the "base" and 5 is the "exponent," the number 32 can be represented as 2x2x2x2=25.

Given that a large cave has 130 bats, and their population is growing at a rate of 20% per year.

The exponential expression for the population of the bats will be written as:-

\(y = 130(1.2)^x\).

Here, y is the population and x is the number of years.

Therefore, the exponential expression for the population of the bat will be \(y = 130(1.2)^x\).

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Vertical lines do not have positive slopes or negative slopes. They have undefined slopes.

Now, According to the question :

What is Vertical line?

A vertical line is a line, parallel to y-axis and goes straight, up and down, in a coordinate plane. Whereas the horizontal line is parallel to x-axis and goes straight, left and right.

Is a vertical line positive or negative?

The slope of a line can be positive, negative, zero, or undefined. A horizontal line has slope zero since it does not rise vertically (i.e. y1 − y2 = 0), while a vertical line has undefined slope since it does not run horizontally (i.e. x1 − x2 = 0).

Hence, Vertical lines do not have positive slopes or negative slopes. They have undefined slopes.

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Answer:

What is the question?

Step-by-step explanation:

I cannot see an attachment.

she decorates 4 face of the box. (no diagram)