Solve the system.
2(x+y) = 9
1 = − 4(x+y)

The height of the cylinder will be 6 meters.

One of the most fundamental curvilinear geometric shapes, a cylinder has traditionally been a three-dimensional solid. It is regarded as a prism with a circle as its base in basic geometry. In some modern branches of geometry, a cylinder may also be defined as an infinite curvilinear surface.

Given that the surface area of a cylinder is 24π m². The distance around the base of the cylinder is 3π meters and the diameter of the base of the cylinder is 4 meters.

The height of the cylinder will be calculated as:-

Surface area = 2πrh

24π = 2πrh

r x h = 12

The diameter is 4 meters so the radius is 2 cm.

r x h =- 12

h = 12 / r

h = 12 / 2 = 6 meters

The height of the cylinder will be 6 meters.

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The functions that show a positive rate of change include the following:

A. y = 2x/3 - 2.

B. y = 7 - (-3x).

In Mathematics, the slope-intercept form of a line can be represented or modeled by using this linear equation:

y = mx + c

Where:

Generally speaking, a function with a positive rate of change represents an increasing function because its numerical value is increasing over time such as in the following increasing function:

y = 2x/3 - 2.

Slope, m = 2/3 (positive slope).

y = 7 - (-3x)

y = 7 + 3x

Slope, m = 3 (positive slope).

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The functions that show a positive rate of change are y = 2/3x - 2 and y = 7 - (-3x).

A positive function is a function that has the values of x that are greater or higher than zero on the graph. It means that they are always increasing on the positive y-axis i.e. f(x) > 0.

The function's outputs known as the y-values, however, must be larger than zero even though the domain values i.e. (x-values) might be negative. A positive function, then, has values that are positive for all of its domain's parameters.

To determine the positivity of the function on the graph, the slope must also be positive. Using the linear function form y = mx + b.

where;

From the given information, the functions that demonstrated a positive slope are:

Therefore, we can conclude that the functions that show a positive rate of change are y = 2/3x - 2 and y = 7 - (-3x).

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The percent of change when 51 is increased to 98, then there have increment of 92%. So the option d is correct.

The difference between a new and old amount, given as a percentage, is known as a percent change.

Calculating percent change involves determining the difference between the old and new quantities, dividing that difference by the old quantity, and multiplying that result by 100.

The number 51 is raised to 98; calculate the percentage change.

To start, subtract the new quantity from the previous one to determine the difference. 98 - 51 = 47, therefore the difference is 47.

The difference, 47, is then divided by the old amount, 51, yielding a result of 47/51=0.92.

Lastly, multiply the decimal by 100 × 0.92 to get the percentage change, which is increment of 92%.

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Four sides and one angle, three sides and two included angles, or two neighboring sides and three angles, to construct a unique quadrilateral.

If the two diagonals and three sides of a quadrilateral are known, it is possible to create it in a singular way. If the two neighboring sides and three angles of a quadrilateral are known, it can be built in an original fashion.

A polygon called a quadrilateral has four sides, four angles, and four vertices. If the size of a quadrilateral's sides and diagonal are known, it is possible to create it in a singular way.

They must have the same number of sides as angles because they are polygons and have four angles. Every quadrilateral has inner angles that sum to 360 degrees.

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The vertical stretch of f(x) will be -2f(x), 5.5f(x) - 1, 7f(x)

As is well known, the vertical stretch of f(x) occurs when the value of the parameter is changed in the following general form:

When a constant c with a value larger than one is scaled across the board of a function, it results in a vertical stretch. It is written as the vertical stretch from the original function f(x) to the new, stretched function g(x)=cf(x) where c>1 g ( x ) = c f ( x ) where c > 1.

f(k(x-d)) = y = a+ c

when |a| exceeds 1 since The function is stretched vertically by a dilation factor of |a| when |a| > 1 (when a > 1).

Thus, we select F, D, and A.

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The full question:

Consider the function f(x). Select all of the following that includes a vertical stretch of f(x)

A. -2f(x)

B. 0.25f(x)

C. -f(x) + 6

D. 5.5f(x) - 1

E. f(x) + 9

F. 7f(x)

Answer:

The new printer prints 100 pages about 4 minutes faster than the old printer

The new printer prints 22 move pages per minute than the old printer

Step-by-step explanation:

New printer's equation

y = 37x

Old printer's equation

y = 15x  

Since the graph is proportional you can take any ordered pair (except (0,0) and put it the form y/x to find the slope. For example, The point (2,30) 30/2 = 15 or the point (4, 60) 60/4 = 15 and so on.

The difference between the rates is 22 pages a minute (37 - 15).

Substituted in 100 for y and solve for x (minutes)

New:

y = 37x

100 = 37x  Divide both sides by 37

100/37 =37x/37

3 = x  This is rounded

This means that it takes about 3 minutes to print 100 pages.

Old:

y = 15x

100 = 15x  Divide both sides by 15

100/15 = 15x/15

7 = x   This is rounded

This means that it takes about 7 minutes to print 100 pages.

The new printer can print the same amount of page (100) in 4 less minutes (7-3)

180 - 115 = 65

4k + 5 + 6k + 10 + 65 = 180

10k + 80 = 180

10k = 100

k = 10

Answer: 1.365 × 10-6

Step-by-step explanation:

All the numbers in scientific notation written in the form a × 10b, where b is an integer and the coefficient a is a non-zero real number between 1 and 10 in absolute value.

To convert 0.000001361 into scientific notation also known as standard form, follow these steps:

Move the decimal 6 times to right in the number so that the resulting number, m = 1.361, is greater than or equal to 1 but less than 10

Since we moved the decimal to the right the exponent n is negative

n = -6

Write in the scientific notation form, m × 10n

= 1.361 × 10-6

Therefore, 0.000001361 in scientific notation is 1.361 × 10-6 and It has 4 significant figures. In scientific e-notation it is written as 1.361e-6.

Their ages are given below:

The sum of their ages would be 57 years.

The current age of Nico is 27 - 7 = 20 years.

Therefore, Maria and Luis's current ages would be 8 years older than when they were 10 and 11 respectively,

so Maria is currently 18 years old and Luis is currently 19 years old.

Therefore, the sum of their current ages is 18 + 19 + 20 = 57 years.

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8 years ago, Maria was 10 years old and Luis was 11 years old. In 7 years Nico will be 27 years old, what is the sum of the current ages of Maria, Luis and Nico?

The total number of pencils that the three children have is represented by the expression p + 3 + 4p. This expression can be simplified to p + 3 + 4p.

The total number of pencils that the three children have is represented by the expression p + 3 + 4p. This expression can be simplified to p + 3 + 4p.

Jamila has p pencils. Haan has 3 fewer pencils than Jamila, so Haan has (p - 3) pencils. Naomi has 4 times as many pencils as Haan, so Naomi has (4(p - 3)) pencils.

Therefore, the total number of pencils the three children have is p + (p - 3) + (4(p - 3)). This can be simplified to p + 3 + 4p.

The total number of pencils that the three children have is represented by the expression p + 3 + 4p. This expression can be simplified to p + 3 + 4p.

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The equation which represents Lisa's earnings, e, relative to the number of hours, h, that she works assume a proportional relationship is e = 7.5h

Amount Lisa makes for babysitting = $30

Number of hours Lisa babysit = 4 hours

Total earnings = e

Number of hours = h

If the relationship is proportional, then

k = constant of proportionality

e = k × h

30 = k × 4

30 = 4k

divide both sides by 4

k = 30/4

k = 7.5

So therefore,

e = k × h

e = 7.5 × h

e = 7.5h

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Using the Midsegment Theorem, the value of x is: 6.

The Midsegment Theorem states that in a triangle, the segment that connects the midpoints of two sides of the triangle is parallel to the third side and is half as long as the third side. In other words, the midsegment of a triangle is parallel to the third side and has half the length of the third side.

Therefore the ratio of DE to AB would be: 1/2

Ratio of EC to AC would be: x/(x + 6)

Thus:

x/(x + 6) = 1/2

Cross multiply

2x = x + 6

2x - x = 6

x = 6

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Answer: Hi! I believe your answer would be y = −5/7x − 5

Step-by-step explanation: I hope this helps!

24 cookies were on the plate before anyone started feeling hungry.

Let X be the number of cookies on the plate before anyone started feeling hungry.

After Mrs. Baxter ate 1/6 of the cookies, there were,

X - (X * 1/6) = 5/6X cookies left.

After Mr. Baxter ate 1/5 of the remaining cookies, there were,

5/6X - (5/6X * 1/5) = 5/6X- 1/6X = 4/6X cookies left.

After Anna ate 1/4 of the remaining cookies, there were,

4/6X - (4/6X * 1/4) = 4/6X- 1/6X = 3/6X cookies left.

After Tyler ate 1/3 of the remaining cookies, there were

3/6X - (3/6X * 1/3) = 3/6X- 1/6X = 2/6X cookies left.

After Adam ate 1/2 of the remaining cookies, there were,

2/6X - (2/6X * 1/2) = 2/6X- 1/6X = 1/6 cookies left.

We know, after Adam eats, 4 cookies are left, therefore,

1/6X = 4

So X = 4 *6 = 24

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Answer:

It has one solution, x = 4

Step-by-step explanation:

[tex]3(2x-7) = 3\\2x-7 = \frac{3}{3} \\2x-7 = 1\\2x = 8\\x = 4[/tex]

No other answer would work

Answer:

An exponential function has the form y = ab^x, where a is the initial value, b is the base of the exponential function (in this case, 1 + the growth rate as a decimal) and x is the number of years.

Given that the initial population is 430 and the annual rate of increase is 9%, we can write the exponential function as:

y = 430 (1 + 0.09)^x

Where y is the quail population after x years, and the base (1 + 0.09) represents the growth rate of 9%. This function gives the population of the quail for any number of years x.

It's worth noting that the function is in the form of y = a*(1+r)^x where a is the initial value, r is the annual growth rate, and x is the number of years

Answer: Since 2005 the amount of money spent on restaurants in a certain country has increased at a rate of 4% each year. In 2005, about 670 billion was spent on restaurants.

To find the amount spent on restaurants in 2013, we can use the formula:

A = P(1 + r)^t

Where:

A = the final amount

P = the initial amount (670 billion)

r = the rate of increase (0.04 or 4%)

t = the number of years since the initial amount (8 years)

Plugging in the values, we get:

A = 670 billion (1 + 0.04)^8

A = 670 billion (1.04)^8

A = 670 billion * 1.4304

A = 951.8 billion

So, if the trend continues, about 951.8 billion will be spent on restaurants in 2013.

Step-by-step explanation:

The Probability that the player will win against each of the four opponents at least once is 0.7942.

The player has a P(W) = 0.80 winning chance.

The likelihood that the player will lose is hence P(L)= 1 - P(W) = 0.20.

The player is up against 4 different opponents in the video game.

It is stipulated that the game finishes when a player is defeated by an opponent.

The player can win in any of the following ways: L, WL, WWL, WWWL, and WWWW.

The results from each of the four opponents are distinct, meaning that the outcome of a game played against one opponent has no bearing on the outcome of a game against another.

P (Player defeats all 4 opponents) = 0.4096 is the probability that a player will win a game against all four opponents.

Thus, the probability that the player defeats all four opponents in a game is 0.4096.

(b) The likelihood that a player will win a game against at least two opponents is,

P = 1 (Player defeats at least 2) P = 0.64 when the player loses the first and second games.

Therefore, there is a 0.64 percent chance that the player will win at least two games against opponents.

Let X equal the number of times the player triumphs over all four opponents.

The likelihood that a player will win a game against all four opponents is,

P(WWWW) = 0.4096

The probability that a player will triumph over each of the four opponents at least once is,

P (X ≥ 1) = 1 - P (X < 1)

= 1 - P (X = 0)\s = 0.7942

Therefore, there is a 0.7942 probability that the player will win against all four opponents at least once.

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The equation Wendy must have solve is  14+2x = 54 - 6x Option D

A linear equation is an equation whose highest power of the variable is 1.

recall that equation is a mathematical statement showing that two opposite sides are equal

the equation can be solved as follows

14+2x = 54 - 6x

Collecting the like terms from the equation we have

2x+6x = 54 -14

This implies that

8x = 40

Making x the subject of the relation

Therefore x=40/8 = 5

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Gary would need 15.2 oz glue and 7.6 oz of glitter to make 4 bottles.

Multiplication of two numbers is defined as the addition of one of the number repeatedly until the times of the other number.

a × b means that a is added to itself b times or b is added to itself a times.

We have the information that,

Amount of glue needed for 1 bottle = 3.8 oz

Amount of glitter needed for 1 bottle = 1.9 oz

We have to find the amount of glue and glitter for 4 bottles.

Finding the product for 4 bottles.

Amount of glue needed for 4 bottles = 3.8 × 4 oz = 15.2 oz

Amount of glitter needed for 4 bottles = 1.9 × 4 oz = 7.6 oz

Hence Gary will need 15.2 oz glue and 7.6 oz of glitter to make 4 bottles.

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The correct linear model for the table is f(x) = 5x + 1.

We have to note that when we have a table of values, it is possible that we can be able to obtain the equation that can be able to model the function. We know that we can be able to write the line equation in the form y = mx + c

Where y = g(x) we can write the equation to obtain the slope of the line as;

m = y2 - y1/x2 - x1

Then we have;

1 - (-4)/0 - (-1)

5/1

m = 5

The correct equation of the line is therefore;

f(x) = 5x + 1

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Answer:

4x^2-3x+1+18?=2x+3

Step-by-step explanation:

bnkjhhlhbghhbhbhlhby kjjn

The Pythagorean identity is proved to be 1 + cot2 = cosec2, which results in sin2 + cos2 = 1.

With the value of sine and the quadrant in which the angle is placed, we can use the Pythagorean identity to get the angle of cosine.

If we are given the cosine value and the quadrant in which the angle is placed, we may similarly compute the angle of sine.

Cosec2 = 1 + cot2

Therefore,

cosec2 = 1/sin2

Tan2 = cos2 / sin2 = cot2 = 1

Hence,

1/sin2 = 1 + cos2 / sin2.

multiplied both sides by sin2 as a result.

1(sin2 ) + (cos2 / sin2 ) = (sin2 / sin2 )

cos2 + sin2 = 1.

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The area of the shaded part of the rectangle is 152 cm².

The area of the shaded part is the difference between the area of the larger rectangle and the smaller square.

Area of the shaded part = area of the larger rectangle - area of the square

Area of the larger rectangle = length x width

12cm x 18cm = 216 cm²

Area of the square = length²

= 8² = 64 cm²

Area of the shaded part = 216 - 64 = 152 cm²

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The prediction that Lucas can make about the next shipment of ornaments is that H. A delivery of 6 boxes will contain 6 more broken ornaments than a delivery of 3 boxes.

It should be noted that a word problem in mathematics simply refers to a question that is written as a sentence or in some cases more than one sentence which requires an individual to use his or her mathematics knowledge to solve the real life scenario given.

In this case, since the department store receives a shipment of 3 boxes of glass ornaments and there are 25 ornaments in each box.

Lucas then opens the boxes and finds that 6 of the ornaments are broken. This implies that there are 2 broken for each box.

In this case, a delivery of 6 boxes will contain 6 more broken ornaments than a delivery of 3 boxes.

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It can be interpreted as the average distance between each data point and the mean value of 80 for the 100 college students.

Standard deviation is a measure of the spread of values in a set of data, calculated as the square root of its variance. It indicates how much variation or dispersion there is from the mean of the set.

The standard deviation is a measure of the variability or dispersion of the data set around the mean. In this case, it can be interpreted as the average distance between each data point and the mean value of 80 for the 100 college students.

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George is not correct because we can find the least common multiple of 8 and 6 which is 24. This allows us to solve the problem with simple numbers and ease our calculations to get the answer in the simplest form.

The equation solved by George is 3/8 - 1/6 = 18/48 - 8/48

To solve the given fractions in the simplest form, we will find the common denominator which would be the least common multiple of both denominators.

we can see that the numbers in the denominator are 8 and 6.

Multiples of 8: 8, 16, 24, 32, 40,...

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

Hence, LCM of 8 and 6 is 24.

thus we can solve the equation as follows -

3/8 - 1/6

= 3*3/8*3 - 1*4/6*4

= 9/24 - 4/24

= 5/24

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Answer:

6 = D

7 = F

8 = A

9 = B

10 = C

Have a nice day ;)