Help me with simplified expressions please!

Answer:

As societies exchange ideas, globalization is unable to keep up with the speed at which culture has spread.

The solution to the equation 1 h 5 2 h 5 is 7.

In this case option A is correct

The solution can be obtained by following steps-

We group like terms to get, we expand the brackets to get, this simplifies to, we now divide through by three to get,

[tex]h+ 2h= 16-5+ 10\\3h= 21\\h=7[/tex]

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What is the solution to the equation 1 h 5 2 h 5?.

Answer:

£56

Step-by-step explanation:

We know

The ratio Zoe and Hannah hare tip is

3:7

last week Zoe received £24

To find out how much did Hannah receive last week, we first take

24 / 3 = 8

Then we take

8 times 7 = £56

So, last wee Hannah receive £56

a. Even numbers are numbers that are divisible by 2

b. prime number is the number that has two factors by 1 and itself, all even numbers are divisible by 2 hence any other even number aside 2 will be divisible by 1, 2 and itself and this does not define a prime number any more

A prime number is a positive integer greater than 1 that is only divisible by 1 and itself. In other words, a prime number has exactly two positive integer divisors: 1 and itself.

For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, and so on. The number 2 is the only even prime number, and all the other prime numbers are odd.

Prime numbers are important in mathematics because they play a crucial role in various fields such as number theory, cryptography, and coding theory. They are also used as basic building blocks for constructing larger composite numbers.

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Marty is 21 years old. Translated the problem statement into mathematical expressions and then used algebraic manipulation to solve for the unknown variable, which in this case is Marty's age (M).

Algebra is a branch of mathematics in which letters and symbols are used to represent numbers and quantities in equations and formulas. It is used to study mathematical relationships and properties, and to solve problems using mathematical models. Algebraic equations involve one or more variables (often represented by letters such as x, y, or z) that represent unknown values.

Let M be Marty's age.

According to the problem statement, Tonya is 9 years younger than twice Marty's age, so 2M - 9 = T (where T is Tonya's age).

Danielle is 2 years older than Tonya, so T + 2 = D (where D is Danielle's age).

We know that the sum of the three siblings' ages can be expressed as 3M + 8.

So, we can set up the following equation:

M + (2M - 9) + (2M - 9 + 2) = 3M + 8

Solving for M, we get:

M = 21

Therefore, Marty is 21 years old.

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The slope intercept form of the following equation 6x - 2y = 18 is y = 3x - 9

We knwo that the slope intercept form of equation of line is y = mx + b, where m is the slope and b is the y-intercept.

Consider given equation,

6x - 2y = 18

6x - 2y - 6x = 18 - 6x          .......(Subtract 6x from each side)

- 2y = 18 - 6x

- 2y × (-1) = (18 - 6x) × (-1)       ......(Multiply each side by -1)

2y = -18 + 6x

2y/2 = (-18 + 6x)/2                   ..........(Divide each side by 2)

y = -18/2 + 6x/2

y = -9 + 3x

y = 3x - 9              

This equation is in the form y = mx + b

Here, slope m = 3 and the y-intercept b = -9

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The complete question is:

What is the slope intercept form of the following equation 6x - 2y = 18?

Answer:

1. y = 1/5^(1-x) + 2

The inverse function, denoted as f^-1(x), can be found by swapping the x and y variables and solving for y.

So, x = 1/5^(1-y) + 2

To find the inverse, we need to solve for y:

y = 1 - log(5, x-2)

Note that the inverse only exists if the original function is a one-to-one function, meaning that it assigns a unique output to each input.

The domain of f is all x such that x > 2. And the range of f is all y such that y > 2. The domain of f^-1 is all x such that x > 2 and the range of f^-1 is all y such that y > 1.

----------------------------------------------------------

2.  1 - 5^x/5^(x-1)

The inverse function, denoted as f^-1(x), can be found by swapping the x and y variables and solving for y.

So, x = 1 - 5^y/5^(y-1)

To find the inverse, we need to solve for y:

y = log(5, 1/(x+1)) + 1

Note that the inverse only exists if the original function is a one-to-one function, meaning that it assigns a unique output to each input.

The domain of f is all x such that x < 1. And the range of f is all y such that 0 < y < 1. The domain of f^-1 is all x such that x < 1 and the range of f^-1 is all y such that y > 1.

--------------------------------------------------------------

3.  y = log1/5(x+1/2)-1

The inverse function, denoted as f^-1(x), can be found by swapping the x and y variables and solving for y.

So, x = log1/5(y+1) - 1/2

To find the inverse, we need to solve for y:

y = 5^(x+1/2) - 1

Note that the inverse only exists if the original function is a one-to-one function, meaning that it assigns a unique output to each input.

The domain of f is all x such that x exists. And the range of f is all y such that y > -1. The domain of f^-1 is all x such that x exists and the range of f^-1 is all y such that y > 0.

-----------------------------------------------------------------

In summary,

1.  f^-1(x) = 1 - log(5, x-2) Domain: x>2, Range: y>2.

2.  f^-1(x) = log(5, 1/(x+1)) + 1 Domain: x<1, Range: 0<y<1.

3.  f^-1(x) = 5^(x+1/2) - 1 Domain: x exists, Range: y>-1.

Jayden makes 3 trays of dog treats for his puppy Spot

It is the transformation of a value expressed in one unit of measurement into an equivalent value expressed in another unit of measurement of the same nature.

To solve this problem, we have to do the conversion of units with the given information:

Information about the problem:

By converting the unit from quart to ounce, we have:

1 quart * (32 ounce / 1 quart) = 32 ounce

Calculating the total of ingredients Jayden mixed we have:

Total ounces = Yogurt + peanut butter + honey

Total ounces = 32 ounces + 10 ounces + 6 ounces

Total ounces = 48 ounces

Calculating the number of tray that Jayden can make we have:

No. trays = Total ounces / tray capacity

No. trays = 48 ounces / 16 ounces/ tray

No. trays = 3 trays

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To prove the congruence between two triangles there are several postulates, that can be applied depending on the congruent parts of the triangles.

The postulates are:

SAS (Side-Angle-Side): This postulate states that if two triangles have two corresponding sides congruent and one corresponding angle congruent, we can conclude that those triangles are completely congruent.

ASA (Angle-Side-Angle): This postulate states that if two triangles have two corresponding angles congruent and one corresponding side congruent, then those triangles are congruent.

SSS (Side-Side-Side): This postulate states that if two triangles have all three corresponding sides congruent, then triangles are congruent.

AAS (Angle-Angle-Side): If two pairs of corresponding angles are congruent and one pair of corresponding sides is congruent, then both triangle are congruent each other.

HL (Hypothenuse-Leg): this postulate is applied when we have right angles. It states that two right triangles are congruent if they have one pair of corresponding leg congruent, and the hypothenuses are also congruent. We could conclude that those right triangles are congruent.

From these postulate, we can demonstrate the congruence between two triangles. Then, from that congruence, we deduct the congruence between each corresponding parts of those triangles. For example, if we demonstrate the congruence by AAS, we deduct that the third angle is also congruent, and the other two sides are also congruent.

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Answer:

The square root of 3 is an irrational number

Step-by-step explanation:

A rational number is defined as a number that can be expressed as the division of two integers, i.e. p/q. where q is not zero.

√3 = 1.7320508075688772...and keeps getting longer. √3 is an irrational number because the decimal point does not end or repeat.

Stella must run between 248 minutes and 252 minutes in order to meet the requirement.

What is the time-to-minute conversion?

As an hour consists of 60 minutes, we can convert hours into minutes by multiplying hour by 60. So, for example, if one wants to convert 3 hours into minutes, one can do it by multiplying 3 by sixty which will give 3 x 60 = 180 minutes.

To figure out the range of times within which Stella must finish the marathon in order to meet the requirement of finishing within 2 minutes of the 4:10 pace time,

we can use the following steps:

Convert the pace time of 4:10 to minutes.

Since there are 60 minutes in an hour, 4:10 is equal to 4 * 60 + 10 = 250 minutes.

Add 2 minutes to the pace time. Since Stella must finish within 2 minutes of the pace time, this gives us a finish time of 250 + 2 = 252 minutes.

Subtract 2 minutes from the pace time. Since Stella must finish within 2 minutes of the pace time, this gives us a finish time of 250 - 2 = 248 minutes.

The range of times within which Stella must finish the marathon in order to meet the requirement is 248 to 252 minutes.

Hence, Stella must run between 248 minutes and 252 minutes in order to meet the requirement.

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Standard deviation is a measure of variation.

The degree of variance or dispersion in a set of data values is measured statistically using the standard deviation. It reveals how far the data values differ from the data set's average. Data points tend to be close to the mean when the standard deviation is low, and are dispersed over a larger range when the standard deviation is high.

While measurements of the centre, such as mean, median, and mode, are used to describe a data set's central tendency. The median is the midway value when a data set is ordered, and the mode is the value that appears in a data set the most frequently. The mean is the sum of the data divided by the number of observations.

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If cos x = 3/5 then the value of b = 4

Trigonometric Ratios are defined as the values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle. The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.

sin(tetha) = opp/hyp

cos ( tetha) = adj/hyp

tan ( tetha) = opp/ adj

In the triangle adj = 3b and hyp = 20

cos x = 3b/20

cos x = 3/5

therefore 3/5 = 3b/20

multiply both sides by 20

3/5×20 = 3b/20 × 20

3b = 12

divide both sides by 3

b= 12/3 = 4

therefore the value of b is 4

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Answer:A: b = 4

Step-by-step explanation:

The total sales for bicycles for store 1 and 2 = 54 bicycles.

Thee total cost for bicycles for store 1 and 2= $7,530

The total profit for bicycles for store 1 and 2= $12,420

The total sales for bicycles for store 1 and 2 can be calculated as thus;

Store 1 = 15+20 = 35

Store 2 = 10+9 = 19

Total sales for store 1 and 2 = 35+19 = 54

The total cost for bicycles for store 1 and 2=

Store 1 = 150×35= $5,250

Store 2 = 19× 120 = $2,280

The total cost for bicycles in both stores= $5,250+$2,280= $7,530.

The total profit for bicycles for store 1 and 2=

Store 1 = 230×35 = $8,050

Store 2 = 230×19 = $4,370

The total profit from both stores = $8,050+$4,370= $12,420.

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We'll cut straight to it: On average, hair grows at a rate of about half an inch per month, or six inches per year. Each hair on your head grows from an individual follicle.

We'll cut straight to it: On average, hair grows at a rate of about half an inch per month, or six inches per year. Each hair on your head grows from an individual follicle.

The average person's hair grows ½ an inch each month which sums up to 6 inches of growth per year.

For you I'd say maybe anywhere from 3 to 5 months it would be around the length you're looking for. It may take a year to get it to your shoulders.

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So, the gradient of y = -3x^1 is -3.

The gradient of a function y = f(x) with respect to x is the derivative of the function with respect to x, denoted by dy/dx or f'(x).

In the case of y = -3x^1, the gradient is -3.

It is a constant function, thus, the slope is always the same and equal to the coefficient of the x term, which in this case is -3.

The gradient of a function tells us the rate of change of the function with respect to x. In other words, it tells us how steep the function is at any given point. A positive gradient means that the function is increasing, while a negative gradient means that the function is decreasing.

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The 4 lines of symmetry is square.

In math the imaginary line or axis along which you can fold a figure to obtain the symmetrical halves is called the line of symmetry.

Here we need to find the 4 lines of symmetry.

As we all know that the line of symmetry is known as  a balanced and proportionate similarity that is found in two halves of an object.

So, based on these definition, we have identified that A square has four lines of symmetry.

Because it can be folded in half over either diagonal or the horizontal segment which cuts the square in half or the vertical segment which cuts the square in half.

Therefore the square has four lines of symmetry.

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The sum of a partial series is calculated by Sn=∑ni=1ai=n(a1+an)2.

A function may get close to two distinct limits. There are two scenarios: one in which the variable approaches its limit by values larger than the limit, and the other by values smaller than the limit.

A partial sum is the total of a limited number of the series' terms. To see how the infinite sum behaves, we can examine a collection of these sums. The index of the final term in the sum is used to denote each of these partial sums.

When a group of numbers, known as addends or summands, are added together in mathematics, the outcome is their sum or total.

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A data set's mean (average) is calculated by adding all of the numbers in the set, then dividing by the total number of values in the set. When a data set is ranked from least to greatest, the median is the midpoint. The number that appears most frequently in a data set is called the mode.

MEAN =Sum of observations/Total number of observations.

MEDIAN= If n is odd, then the following formula is used: Value of (n+1/2th observation. If n is even, then the following formulae is used: {Value of (n/2) th observation + (n/2 +1)th observation/2}

MODE= Most number of times occurring value in the data

Note that your information wasn't properly written and a overview was given.

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The graphical technique is a strategy for resolving a set of linear equations by creating a graph. The following are the steps needed to solve a system of two linear equations graphically.

Get the two-variable linear equation system that is supplied.

Plot the first equation's graph on the same coordinate system as the second equation.

Plotting the graphs may result in the following three situations:

The presented system has a singular solution provided by the coordinates at the point of intersection if the line intersects at that place.

The system is consistent and contains an endless number of solutions if the lines coincide.

If the lines are parallel, the provided equation system is inconsistent, meaning it cannot be solved.

Consider two linear equations,

y = x - 1

y = 2x + 2

The equations should now be graphed in the coordinate plane.

The graph shows that the common point (-3, -4) where the two linear equations cross is the answer to the given system of linear equations.

As a result, we can solve linear equations graphically by plotting the graph on the coordinate system.

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Cameron can download 4 movies with his $66. He can solve an equation of 14.50x + 22.50y = 66 and x + y = 4

14.50x + 22.50y = 66

14.50x = 66 - 22.50y

14.50x = 43.50

x = 3 (43.50/14.50)

x + y = 4

3 + y = 4

y = 1

Cameron wants to download some movies and an ebook with his $66. To figure out how many movies he can download, he needs to solve an equation. The equation is 14.50x + 22.50y = 66, where x is the number of movies and y is the number of ebooks. By solving for x, he can figure out how many movies he can get, which is 3 (43.50/14.50). To find the number of ebooks, he can solve for y in the equation x + y = 4, which is 1. Therefore, Cameron can download 4 movies with his $66.

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Answer:

It is A im preety sure

Step-by-step explanation:

very sorry if im wrong but im almost possitive its A

The value of x is 13 if QS is a midsegment of PRT

A triangle is a three-sided polygon that consists of three edges and three vertices.

Given that QS is a midsegment of PRT

IF PT=x+67 and QS=x+27,

We need to find the value of x

From midsegment theorem we have

QS=1/2(PT)

x+27=1/2(x+67)

x+27=x/2+67/2

x-x/2=67/2-27

x/2=13/2

x=13

Hence, the value of x is 13 if QS is a midsegment of PRT

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Sin b=4/5 cos b=3/5 tan b=4/3 ctn b=3/4 sec b=5/3 csc b=5/4

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Answer:

28.6%

Step-by-step explanation:

10 minute difference, 10 is 28.6% of 35.

An expression of the radius of the sphere in terms of h is; h = ⁴/₃r

We are given;

Height of cone = h

Radius of cone = 3r

Radius of sphere = r

Volume of cone = Volume of sphere

Now, formula for Volume of cone  = ¹/₃πr²h = ¹/₃π(3r)²h = 3πr²h

Volume of sphere = ⁴/₃πr³

Thus;

3πr²h = ⁴/₃πr³

Multiply both sides by 3/πr² to get;

9h = 12r

h = ⁴/₃r

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The y-intercept of the line 4x + 2y ≥ 14 is y ≥ 7.

The y-intercept is the point where the graph intersects the y-axis. In other words, the y-intercept of a line is the value of y when x equals to zero.

In simpler term, the y-intercept of a function is the point(s) where the graph of the function crosses the y-axis.

Therefore, let's find the y-intercept of the inequality.

4x + 2y ≥ 14

let's substitute x as 0.

Therefore,

4x + 2y ≥ 14

4(0) + 2y ≥ 14

2y ≥ 14

divide both sides by 2

2y / 2 ≥ 14 / 2

Hence,

y ≥ 7

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The percentages for this problem are given as follows:

The percentages are obtained applying proportions, as a percentage is the division of the number of desired outcomes by the number of total outcomes, and then multiplied by 100%.

651 adults were surveyed, of which 21 + 90 + 118 = 229 were affiliated with neither party, hence the percentage is of:

229/651 x 100% = 35.2%.

104 + 87 + 90 = 281 said that the economy was about the same, hence the percentage is of:

281/651 = 43.2%.

90 people out of the 229 that were unaffiliated felt that the economy was the same, hence:

90/229 x 100% = 39.3%.

Of the 104 + 87 + 90 = 281 people that thought that the economy is about  the same, 90 were affiliated with neither part, hence:

90/281 = 32%.

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The answer to the equation for the logarithm of 1 in base 7 is x=0, where x is the power to which 1 must be raised in order to obtain the value 7.

The definition of the logarithm function, which is the inverse of the exponential function and reads log b(x) = y, is by = x. To put it another way, it reflects the increment in base b that must be raised in order to obtain the value x.

When solving log 7(1), we are seeking the power to which 7 must be increased in order to obtain the value 1.

Since 1 is the result of raising any number to the power of 0, we may state that 70 = 1, which implies that log 7(1) = 0.

Finding the value of x that makes the equation log 7(x) = 1 true is necessary to solve log base 7 1.

Log b(x) = y signifies that b = y using the definition of a logarithm.

Therefore, we can put 1 = 7x and obtain x = log7(1) = 0 to solve log7(1).

So, x=0 is the answer to the logarithm in base 7 of 1.

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