Find three consecutive integers such that the sum of the first and the third is 8 more than the second number.

The solution of the given system of equation is (11, 3/2) and (10, 2) is not a solution of the equations,

A mathematical statement connecting two expressions by equal sign is called an equation.

Given is a system of equations, x-2y = 8 and x + 2y = 14, we are to find the solution and determine if (10, 2) is a solution to the system,

x-2y = 8

x+2y = 14

Adding both the equations,

2x = 22

x = 11

Put x = 11 in any equation to find the value of y,

11 - 2y = 8

2y = 3

y = 3/2

Now, to determine whether (10, 2) is a solution to the system or not, put x = 10 and y = 2 and see if the value is satisfying the equation or not,

10 - 4 = 6

6≠8

Therefore, (10, 2) is not a solution of the equations,

Hence, the solution of the given system of equation is (11, 3/2) and (10, 2) is not a solution of the equations,

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The question is solved for :

Determine if (10, 2) is a solution to the system and what is a solution to a system?

x-2y = 8

x + 2y = 14

Answer:

I believe the answer would be A- $69. I just do 230-30% and I got the answer of 69.

I hope this helped!

Answer:

Option 1. A

Step-by-step explanation:

= (30/100)*230

= (30*230)/100

= 6900/100 = 69.

Thus, your answer is, A.

( There is nothing else I could explain to you! )

If the measure of the intercepted arc GHJ is 180°, the measure of the inscribed angle GHJ will be mGHJ = 360° - 180° = 180°.

Angel is a geometric figure that can be described as the amount of rotation between two straight line or planes and angles is measured in degree with the full circle being 360°.

The measure of an inscribed angle in a circle is always equal to the measure of its intercepted arc. The measure of the arc intercepted by a central angle is determined by the formula, mGHJ = 360° - mJKH. Therefore, the measure of an inscribed angle in a circle with intercepted arc GHJ is equal to mGHJ = 360° - mJKH. This means that the measure of an inscribed angle in a circle can vary depending on the measure of its intercepted arc. For example, if the measure of the intercepted arc GHJ is 180°, the measure of the inscribed angle GHJ will be mGHJ = 360° - 180° = 180°.

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The scenerio that represents an example of mutualism would be an ant colony living on an acacia tree and not allowing vines to grow on the bark. That is option D.

Mutualism is defined as the feeding relationship where by the both organisms which are involved work together to benefit from each other.

A typical example of mutualism is the relationship that exists between the ant and the acacia tree.Here, the ant colony living on an acacia tree and not allowing vines to grow on the bark shows that both organisms benefits from each other.

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According to the information, the unit price of the products is: $0.28 for each can of soft drink, $0.022 for each ounce of detergent, $0.18 for each ounce of peanuts, $0.0033 for each gram of cooked chicken.

To calculate the unit price of the products we must perform the following procedure:

We must divide the value of each product into the amount of product as shown below:

Accordingly, the unit price of these products is the result of these divisions.

Note: This question is incomplete. Here is the complete information:

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Answer:

please type your questions well

If n is an integer and m + 5 is odd, then n must be even.

To prove this statement using contraposition, we need to show that if n is odd, then m + 5 must be even. Assume that n is odd, which means we can write n = 2k + 1 for some integer k.

Then, we can rewrite m + 5 as (2k + 1) + 5 = 2k + 6 = 2(k + 3), which is even.

Therefore, we have shown that if n is odd, then m + 5 is even.

By contraposition, we can conclude that if m + 5 is odd, then n must be even. Overall, the proof uses the fact that odd + odd = even and even + odd = odd, along with the definition of even and odd integers.

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As research have shown that GDP has many known biases that make it a poor absolute measure of the welfare of a society. A reason why GDP will still be a good measure of changes in welfare will likely be because biases may be relatively constant over time. The Option B is correct.

GDP is a poor indicator of a society's standard of living because it does not directly account for leisure, environmental quality, levels of health and education, activities conducted outside the market, changes in income inequality, increases in variety, increases in technology, and so on.

So, GDP does not directly measure the things that make life worthwhile, but it does measure our ability to obtain many of the inputs that make life worthwhile. GDP, however, is not a perfect measure of happiness. Some factors that contribute to a happy life are excluded from GDP.

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Proportionately, the number of sundaes that will be vanilla is 10 sundaes.

Proportion refers to the part or portion of a whole.

Proportions show the relative size (ratio) of a value compared to another.

The difference between proportion and ratio is that proportions are two ratios equated to each other.

The total number of sundaes Maggie is making = 30

The types of sundaes = mint, chocolate, and vanilla ice cream.

Mint ice cream = 1/3 = 10 sundaes (1/3 x 30)

The remaining sundaes = 2/3 (1 - 1/3)

= 20 (30 - 10) or (30 x 2/3)

Chocolate ice cream = 1/2 of 20 = 10 sundaes

Vanilla sundaes = 10 (30 - 10 - 10) or (1/2 of 20)

Thus, using the proportional or fractional relationships among the different sundaes, the number of vanilla sundaes that Maggie will make is 10.

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The balance (future value) after 6 years of investing $100 at 9% compounded semi-annually is B. $169.58.

The future value represents the present value or investment compounded at an interest rate for a period.

Compounding involves computing interest on accumulated interest, not only on the principal like simple interest.

The future value can be determined using an online finance calculator as follows:

N (# of periods) = 12 semi-annual periods (6 x 12)

I/Y (Interest per year) = 9%

PV (Present Value) = $100

PMT (Periodic Payment) = $0

Results:

Future Value (FV) = $169.58

Total Interest = $69.58

Thus, the investment is expected to be worth B. $169.58 in 6 years.

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The total cost of the paving stones for building a circular patio with a diameter of 12 feet is C. $1,187.

The area of the circular patio using its diameter and pi (22/7) is determined with the formula below.

The unit cost per square foot is multiplied by the area to determine the total cost.

A = π (d/2)^2

The diameter of a circular patio = 12 feet

The area, A = π (d/2)^2

= 22/7(12/2)^2

= 113.14 ft²

The cost per square foot of paving stones = $10.50

The total cost = $1,187.97 ($10.50 x 113.14)

= $1,188

Thus, using the mathematical operation of multiplication, we can conclude that Mr. Aba's project will cost Option C.

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To me, Benjamin should use graph A to show the decrease in temperature. It would be best for Benjamin to use this graph for his presentation because the temperature decrease in this graph

In mathematics, the graph of a function f is the set of ordered pairs, where {\displaystyle f(x)=y.} In the common case where x and f(x) are real numbers, these pairs are Cartesian coordinates of points in two-dimensional space and thus form a subset of this plane.

here, we have,

How to determine the appropriate graph?

The graphs that complete the question are added as an attachment

From the attached graph, we have the following highlights:

The data points on the y-axis of graph A are in an arithmetic sequence i.e. 30, 60, 90, 120....

The data points on the y-axis of graph B are not in an arithmetic sequence i.e. 60, 20, 40, 80....

The above means that graph B is a misleading graph

Hence, Benjamin should use graph A for his report

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The domain of the given relation is:

D: {-3, -2, -1, 0, 1, 3}

For any relation that maps elements from one set into elements of another set, the domain is just the set of the inputs, and usually the domain is the se of the values "x"

Here the domain is the listof numbers in the left,the domain is:

D: {-3, -2, -1, 0, 1, 3}

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The correct students in their approach to solving the problem are Aditi, Erick, and Raj. Nico and Sandra's approaches are incorrect.

The following are the correct approaches to solving the equation:

Aditi: two-fifths (5 + x) = eight. five-hundredths (5) + five-hundredths x = (five-halves) 8

Erick: two-fifths (5 + x) equals eight. two-fifths (5 + x) minus 5 equals eight minus five.

Raj: two-fifths (5 + x) = eight. two-fifths (5) + two-fifths x = eight.

As a result, Aditi, Erick, and Raj are the correct students in their approach to solving the problem. The approaches of Nico and Sandra are incorrect.

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Answer:

Day 1: 6 inches

Day 2: 21 inches

Day 3: 9 inches

Step-by-step explanation:

First, we need to convert the total rainfall from feet to inches. Since 1 foot is equal to 12 inches, 3 feet is equal to 36 inches.

On the first day, 1/6 of the total rainfall falls, so:

(1/6) * 36 = 6 inches

On the second day, 7/12 of the total rainfall falls, so:

(7/12) * 36 = 21 inches

To find the rainfall on the third day, we can subtract the rainfall on the first and second days from the total rainfall:

36 - 6 - 21 = 9 inches

Therefore, the amount of rainfall on each day, in inches, is:

Day 1: 6 inches

Day 2: 21 inches

Day 3: 9 inches

Answer: 10*100*100

10 times 100 times 100 = 100,000

hope this helped =)

Anthony and Giovani will both go to the library on the same day every 12th day.

The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared. Ratios are used to compare two objects.

To find out when both Anthony and Giovani will go to the library on the same day, we need to find the smallest number that is divisible by both 4 and 6.

We can start by listing the multiples of 4 and 6 until we find a common multiple:

Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, ...

Multiples of 6: 6, 12, 18, 24, 30, 36, 42, ...

We see that 12 is the smallest common multiple of 4 and 6.

Therefore, Anthony and Giovani will both go to the library on the same day every 12th day.

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The probability that a data point falls within one standard deviation of its mean value is 0.6827 or 68.27%.

The normal distribution is a continuous probability distribution that describes the distribution of a set of data around its mean. It is often represented by a bell-shaped curve, where the mean is located at the center and the standard deviation determines the width of the curve.

To find the probability that a data point falls within one standard deviation of the mean, we need to calculate the area under the normal distribution curve between the mean minus one standard deviation and the mean plus one standard deviation. This area represents the proportion of the data that falls within one standard deviation of the mean.

The probability of a data point falling within one standard deviation of the mean can be calculated using the following formula:

P(x - s < X < x + s) = 0.6827

Where P represents the probability, X represents the variable we are measuring, x represents the mean value, and s represents the standard deviation.

The value 0.6827 represents the proportion of the data that falls within one standard deviation of the mean in a normal distribution.

This means that if we have a data set with a mean value of 50 and a standard deviation of 5, then there is a 68.27% chance that a randomly chosen data point will fall between 45 and 55.

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Answer: Suppose there exists a positive rational number r such that r^2 < 2. Then we have 2 - r^2 > 0. Let h = (2 - r^2)/4. Then h > 0 because r^2 < 2.

Consider the number rh = r + h. We have:

(rh)^2 = (r + h)^2 = r^2 + 2rh + h^2 = r^2 + 2(2 - r^2)/2 + (2 - r^2)/16

= r^2 + 2 + (2 - r^2)/16

< 2 + 2 + (2 - 2)/16 = 2.

Thus, for any positive rational number r such that r^2 < 2, there exists a larger positive rational number rh = r + h such that (rh)^2 < 2.

Step-by-step explanation:

Answer:

Veronica's attempt at ordering the hikes from least to greatest by the number of animals seen per kilometer is not correct.

To order the hikes by the number of animals seen per kilometer, we need to calculate the number of animals seen per kilometer for each hike. We can do this by dividing the number of animals seen by the length of the hike in kilometers.

Using this method, we can calculate the number of animals seen per kilometer for each hike as follows:

Rivers Edge: 8/3 = 2.67 animals/km

Wooded Marsh: 24/8 = 3 animals/km

Canyon Creek: 35/15 = 2.33 animals/km

Based on these calculations, the correct order of the hikes from least to greatest by the number of animals seen per kilometer is Rivers Edge, Canyon Creek, Wooded Marsh.

Veronica's mistake appears to be that she simply ordered the number of animals seen in each hike from least to greatest, rather than calculating the number of animals seen per kilometer.

Answer:

Step-by-step explanation:

Using properties of logs:

= 16 log 4

= 9.63

Answer:

7

Step-by-step explanation:

To find the mean of a set of numbers, we add up all the numbers and divide the sum by the total number of numbers.

For the given sample, we have:

10 + 6 + 8 + 6 + 5 = 35

There are 5 numbers in the sample, so we divide the sum by 5:

35 / 5 = 7

Therefore, the mean of the sample is 7.

The number of quarters is 2 and mass of quarter is 0.006 Kg.

With scientific notation, one can express extremely big or extremely small values. If a number between 1 and 10 is multiplied by a power of 10, the result is written in scientific notation.

Given:

The number of quarters minted in 2018 was about 2 x 10°

and, The mass of a quarter is about 6 X [tex]10^{-3[/tex] kg.

As, in standard form the decimal is place after one significant and the rest raised to 10 to the powers and if the number are in power then it can be written in form of decimal.

Here, number of quarters minted is already in standard form 2 x 10° or 2 x 1

and,  mass of a quarter can be written as

= 6 X [tex]10^{-3[/tex] k

= 6/ 10³

= 6/ 1000

= 0.006

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Answer:

The measure of an exterior angle of a regular polygon with n sides is given by the formula:

360°/n

For a regular polygon with 36 sides, the measure of each exterior angle is:

360°/36 = 10°

Therefore, the measure of an exterior angle of a regular polygon with 36 sides is 10°.

Step-by-step explanation:

Answer: 1/52

Step-by-step explanation:

There is a 13/52 chance of drawing a hearts card and then there is a 4/52 chance of drawing a 6

(13/52)(4/52)=1/52

There is a 1/52 chance of Marlin drawing a hearts card and then a 6

Answer:

man female women man women male female measurement measurement master mysteries milkman milkmaid monk non Mr Mrs nephew nice papa

Answer:

B

Step-by-step explanation:

Answer:

B: Distribute it to all variables by multiplying their exponents

Step-by-step explanation:

She has completed 3/4 of her walk, she has walked 3/5 miles.

We are given that Sonia takes 4/5 mile walk everyday.

A proportion is a fraction of a total amount, the relations between variables, could be direct or inverse proportional, can be built to find the desired measures in the problem.

Consider 4/5 represent the 100 percent.

Using the proportion we can find which part of her walk she completed once she has walked 3/5 miles.

Find out what percentage represent 3/5

Let x be the percentage that represent 3/5

Then convert to fraction number

4/500 = 3/5x

x = 75

Therefore, the value of x in percentage is 75 percent.

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The complete question is

Sonia takes a 4/5 mile walk every day. What part of her walk has she completed once she has walked 3/5 miles

The 90% confidence interval is [64.21, 73.79].

To find the margin of error and confidence interval,

we can use the following formula:

Margin of error [tex]= z* (sigma / \sqrt{(n))[/tex]

where z* is the z-score corresponding to the desired confidence level, sigma is the population standard deviation, n is the sample size, and sqrt represents the square root.

Since we want a 90% confidence interval, the corresponding z-score can be found using a standard normal distribution table or calculator.

The z-score for a 90% confidence level is 1.645.

Plugging in the values we have:

Margin of error = 1.645 * (5 / sqrt(7))

≈ 4.05

So the margin of error is approximately 4.05 inches.

To find the confidence interval, we need to add and subtract the margin of error from the sample mean:

Lower bound = x¯ - margin of error

= (68+63+70+69+75+63+72) / 7 - 4.05

≈ 64.21

Upper bound = x¯ + margin of error

= (68+63+70+69+75+63+72) / 7 + 4.05

≈ 73.79

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