Match each function with the corresponding function formula when h(x) = 5 - 3x and g(x) = -3x + 5.

Answer:

1/4.

Step-by-step explanation:

1/4 is the answer because 25 x 4 = 100. Lets say you had 50/100. That would be equivalent to 2/4 , because 50 x 2 = 100.

25 is often reffered to as a quarter, but if someone says it is lets say a quarter past 5:00, they are trying to say is is 5:15, because 15 x 4 = 60, and 60 minutes is an hour.

The interpretation of the likelihood of randomly selecting a terrier from the dog shelter where terriers are 85% is A. Likely.

Probability refers to the chance or likelihood of an expected event occurring when there are many possible chances.

Probability is depicted as a fractional value lying between zero and one when it is not 100% uncertain or certain.

Thus, since the percentage of terriers in the dog shelter is 85%, it is 85% likely that one selects a terrier.

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Answer: A: Likely.

Step-by-step explanation:

The constant of variation for the given graph is 1/4.

Slope of a line is the ratio of the change in y coordinates to the change in the x coordinates of two points given.

Slope can also be defined as the tangent of the angle that the line is making with the positive X axis.

Given that the equation of the line in the graph is a direct variation equation.

Direct variation equations are of the form,

y = k x, where k is a constant number called constant of variation.

We have to find the value of k.

y = k x is an equation in slope intercept form where k is the slope and the value of y intercept is 0, since the line passes through origin (0, 0).

It is enough to find the slope of the given line.

Take two points from the graph, let it be (4, 1) and (-4, -1).

Slope = (-1 - 1) / (-4 - 4) = -2 / -8 = 1/4

The value of k is 1/4.

Hence the value of constant of variation is 1/4.

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It is TRUE that the given image represents the function.

A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X.

The sets X and Y are collectively referred to as the function's domain and codomain, respectively.

Initially, functions represented the idealized relationship between two changing quantities.

A function, according to a technical definition, is a relationship between a set of inputs and a set of potential outputs, where each input is connected to precisely one output.

So, the given image represents a function and it is a kind of many-to-one function.

Therefore, it is TRUE that the given image represents the function.

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Answer:

[tex]y-4=-2(x-0)[/tex]

Step-by-step explanation:

We are given that a line has a slope (m) of -2, and contains the point (0,4).

We want to write the equation of the line in point-slope form.

Point-slope form is given as [tex]y-y_1=m(x-x_1)[/tex], where m is the slope and [tex](x_1, y_1)[/tex] is a point.

Since we are already given the slope, we can immediately plug it into the formula.

Substitute -2 as m.

[tex]y-y_1=-2(x-x_1)[/tex]

Now, let's label the values of our points to avoid confusion and mistakes.

[tex]x_1=0\\y_1=4\\[/tex]

Substitute into the formula.

[tex]y-4=-2(x-0)[/tex]

Topic: point-slope form

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Using PEDMAS the value of 1×(-0.3÷0.5-0.9) is -0.3

PEMDAS is an acronym for the words parenthesis, exponents, multiplication, division, addition, subtraction. Given two or more operations in a single expression, the order of the letters in PEMDAS tells you what to calculate first, second, third and so on, until the calculation is complete.

In the expression 1×(-0.3÷ -0.5-0.9) we solve what is in the parentheses first and we must follow the rules in the parentheses.

So we deal with the division first

1× ( 0.6-0.9)

1× -0.3 = -0.3

Therefore the value of the expression 1×(-0.3÷0.5-0.9) is -0.3.

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The length of the longest side of ∆XYZ will be 40 cm. Then the correct option is A.

The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.

The ratio of the matching sides will remain constant if two triangles are comparable to one another.

The sides of triangle ∆ABC have lengths of 3 cm, 8 cm, and 10 cm. If the smallest side of a similar triangle ∆XYZ has a length of 12 cm.

Let 'x' be the length of the longest side. Then the equation is given as,

x / 10 = 12 / 3

Simplify the equation, then we have

x / 10 = 12 / 3

x / 10 = 4

x = 40 cm

The length of the longest side of ∆XYZ will be 40 cm. Then the correct option is A.

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The correct option is a. Bias from undercoverage, is best description of the term bias.

When you remove a portion of the population from your sample, undercoverage bias develops.

Undercoverage bias as well as nonresponse bias may appear to be identical, but they differ greatly.

For the stated question-

Roosevelt received support from lower-income voters and ultimately won with 62% of the vote, one of the biggest margins of victory in US presidential election history.

Thus, this clearly shows the bias from undercoverage.

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The complete question is-

Before the 1936 US presidential election, a popular poll predicted that Alfred Landon would comfortably win against Franklin D. Roosevelt. The poll randomly sampled people from sources like telephone and car registration records, but the country was in an economic crisis, so many voters without those luxuries were not included in the poll. Voters with lower incomes favored Roosevelt, who ultimately won with 62%, percent of the vote—one of the largest margins of victory ever in a US presidential election. Which type of bias does this scenario best describe?

a. Bias from undercoverage

b. Bias from using voluntary response

c. Response bias

d. Nonresponse bias

Our velocity is said to be 10% of the speed of light. Therefore, we need to multiply by 10% the speed of light. As a result, our speed is three times 10 to 7 m/s. Our diameter is 500 metres.

Thus, our radius is 250 metres. It goes through a volume of space equal to pi r squared times V times T in one second. We then multiply 5.8, 8 times 10 to the 12 m3 by pi times 2, 50 squared times three times 10, and seven times one second. Our density is 10 to 6 atoms per cubic metre, or one atom per cubic centimetre.

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The required number line attached below shows the absolute value of the fraction 5/13 is from 0.

Absolute value is defined as the magnitude or size of a number, no negatives are allowed. The distance a number is from 0 on the number line is known as the absolute value of the number.  

The fraction is given in the question, as follows:

-5/13

We have to determine the absolute value of the fraction.

As per the question, we can write the absolute value of the fraction as:

⇒ 5/13

Thus, the number line attached below displays the distance of the fraction from 0.

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By solving the equation The answer is  -27+17r .Because the Given question is a Equivalent Equation

3+4(r-6)= 3(2+2r)+7r

3+4r-24=6+6r+7r

3-6-24+4r+6r+7r

-24+17r

Algebraic equations with equivalent solutions or roots are called equivalent equations. An analogous equation is one that is created by adding or removing the identical quantity or expression from both sides of a given equation. An equation is equivalent if both sides are multiplied or divided by the same non-zero value.

If two equations have the same solution, they are equivalent.

Equations that are equivalent can be created by adding, subtracting, multiplying, and dividing by the same number on either side of the equal sign.

Finding the value of the variable that makes the equation's condition true is the goal of equation solving. The subsequent actions are carried out while keeping the equation balanced on both sides in order to isolate the variable. By repeating this, LHS and RHS finally remain equal, and the equilibrium is maintained throughout.

We separate the variable on one of the sides of the equation after applying this approach of systematic balancing, which entails a series of identical mathematical operations on both sides of the equation. The final step is the solution of the equation.

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If the height of a right triangular prism is 1 5/6 inches and each side of the triangular base measures 10 inches. The surface area of the solid formed is: 598.33 in².

First step is to convert fraction into simple fraction

Right triangular prism=1 5/6 inches= 11/6 inches

Height of the base=8 2/3 inches = 26/3 inches

Second step is to find the surface area

Surface area = 5(10× 10) + (0.5÷ 10 × 26/3) + 3(10× 11/6)

Surface area = 5(100) +43.33+ 3(18.33)

Surface area = 500+43.33 + 55

Surface area = 598.33 in²

Therefore the surface area of the solid formed is about 598.33 in²

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Answer:

you forgot the question

Step-by-step explanation:

There is a 46.7% increase in the number of bracelets made.

A percentage is a number or ratio that can be expressed as a fraction of 100 (100 as denominator). To calculate percent of a number, divide the number by the whole and multiply by 100.

Hence, it means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.

Maysol made;

This month = 75 bracelets

Last month = 40 bracelets

Change = 75 - 40

Change = 35

This means there was an increase

% increase = (35/75) x 100

% increase = 46.7%

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Answer:

[tex]x^2+7x-9+\dfrac{12}{x-7}[/tex]

Step-by-step explanation:

The detailed explanation is in the attached image. It is a real pain to type this in the brainly equation editor so I just used LateX and printed out the result in case you are interested.

I may have made typos in the detailed explanation, if so, let me know

Answer: We want to know how many ways we can pay $1.10 with nickels and dimes. Since nickels are worth $0.05 and dimes are worth $0.10, we can use different combinations of these coins to make $1.10.

One way to approach this problem is to use the method of generating functions.

Let x be the number of nickels and y be the number of dimes. Then the generating function for this problem is (x+y) = (x+y)(x^0y^0 + x^1y^0 + x^0y^1 + x^2y^0 + x^1y^1 + x^0y^2...)

We know that the sum of x and y should be 11 because 0.05x + 0.1y = 1.10

The coefficient of x^5y^6 in the expansion of (x+y)^11 gives the number of ways to pay $1.10 with 5 nickels and 6 dimes.

The coefficient of x^5y^6 = 252

So there are 252 ways to pay $1.10 with nickel and dime.

Step-by-step explanation:

Answer:

A) 270

Step-by-step explanation:

Interest = principle x time x rate

Interest = 3000 x 2 x .045   4.5% = .045 as a decimal

Interest = 270

The solution is greater than -1.5 and less than -1.

What is the solution to an equation?

In order to make the equation's equality true, the unknown variables must be given values as a solution. In other words, the definition of a solution is a value or set of values (one for each unknown) that, when used as a replacement for the unknowns, transforms the equation into equality.

convert mixed fractions into improper fractions, then to decimal

14 2/5 = 72/5 = 14.4

11 1/8 = 89/8 = 11.125

Thus, the equation becomes:

14.4x+6.55= -11.125x-2.45 + 17 x

=>  14.4x + 11.125x - 17x = -6.55 -2.45

=>  8.525x = -9

=> x =  -9 / 8.525 = -1.055

solution of the equation rounded to the nearest tenth = -1.1

Thus, The solution is greater than -1.5 and less than -1.

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Answer: [tex]B. \frac{2}{7} -\frac{2}{k}[/tex]

Step-by-step explanation:

Answer: 70

Step-by-step explanation: First, let's find how many are worth each in numbers. Use this formula:

Part Percent * Whole number / 100

Plug in the numbers:

Red = 12 * 250 / 100

3000/100

= 30 red marbles

Blue = 16* 250 / 100

4000 / 100

= 40 blue marbles

40 + 30 = 70

White = 250 - 70

= 180 white marbles

We can check our answer by adding 12 + 16. That's 28. So by multiplying 250 by 28, we get 7000. 7000 divided by 100 = 70

70 = 70

Therefore, both statements are true

I hope this helped!

The solution to the equation 7x² - 10 = -17 is x = i

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

7x^2-10=-17

Express the equation properly

So, we have the following representation

7x² - 10 = -17

Add 10 to both sides of the equation

This gives

7x² = -7

Divide both sides by 7

x² = -1

Take the square roots

x = √-1

Rewrite as

x = i

Hence, the solution is x = i

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In order to estimate the hourly rate of any given babysitter, Ms. Wong can make use of the mean of the sample, because it most closely describes the values of the data in the dataset

The sample mean is the average of the values in the data sample.

Possible part of the question, obtained from a similar question online includes the following table of values;

Babysitter  [tex]{}[/tex]   Rate in dollars per hour

1                         [tex]{}[/tex] 9.6

2                        [tex]{}[/tex] 9.80

3                        [tex]{}[/tex] 15.50

4                        [tex]{}[/tex] 10.6

5                       [tex]{}[/tex]  9.7

6                        [tex]{}[/tex] 10.20

7                        [tex]{}[/tex]  8.80

8                        [tex]{}[/tex]  11.20

9                        [tex]{}[/tex]  8.80

10                        [tex]{}[/tex] 10.10

The estimate of the hourly rate of any given babysitter can be found using the descriptive statistic, such as the mean, median, or mode, which are measures that indicate the possible mid value of a data set.

The mean is the average value of the dataset, which is obtained by adding the individual data points together and dividing the sum by the number of data points as follows;

9.6 + 9.8 + 15.5 + 10.6 + 9.7 + 10.2 + 8.8 + 11.2 + 8.8 + 10.1 = 104.3

The number of datapoints in the data = 10

The mean = 104.3/10 = 10.43

The median is the middle value which is found by arranging the values  in increasing order, then selecting the middle value as follows;

The median values in the dataset that has 10 data points is the average of the 5th and 6th values, which are; 9.8 and 10.1

The median of the dataset is therefore; (9.8 + 10.1)/2 = 9.95

The mode of the dataset is the most common value within the dataset. The mode is therefore 8.8

Based on the above three values, the best estimate that most closely describe the data in the dataset is the mean

Therefore, to estimate the hourly rate of any babysitter, Ms. Wong can make use of the mean, because it most closely describes the values in the dataset.

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Answer:

279.05649m³

Step-by-step explanation:

Circumference = 2πr

6 = 2πr

6/2π = r

r = 9.424777961

Area = πr²

Area = π(9.424777961²)

Area = 279.05649m³

From the table given a linear function that relates y to x  is y = -7.

What is point - slope form of line?

The equation of a straight line that passes through a given point and is inclined at a specific angle to the x-axis can be found using the point slope form. Every point on a line must satisfy the equation for the line in order for it to exist. This implies that a line is represented by a linear equation in two variables.

The point - slope form of line is y - y1 = m(x - x1).

From the given table of values we have to find the linear function that relates y to x.

First to find the slope.

Slope = [tex]\frac{y_2-y_1}{x_2-x_1} = \frac{-7-(-7)}{0-(-2)} = \frac{0}{2} = 0[/tex]

Now consider the point - slope form of line,

 y - y1 = m(x - x1).

y - (-7) = 0(x - 0)

 y + 7 = 0

       y = -7

Hence, from the table given a linear function that relates y to x  is y = -7.

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Answer:

Step-by-step explanation:

Lets simplify this step by step

5(2x+2)+3x+6

Distribute:

=(5)(2x)+(5)(2)+3x+6

=10x+10+3x+6

Combine Like Terms:

=10x+10+3x+6

=(10x+3x)+(10+6)

=13x+16

13x+16

Answer:

the answer I got was 18 over 1657

Step-by-step explanation:

its a fraction so the numerator is 18 and the denominator is 1657

The optimal production of wind and solar that will maximize overall power output is 3 units/day of solar power and 2 units/day of wind power.

To solve this question, we use the following representations

So, the objective function is to maximize z = x + y, which represents the overall power output.

From the question, we have the following constraints:

Using the Lagrangian function, we have:

L(x,y,λ1,λ2,λ3) = x + y + λ1(6-x) + λ2(y-1) + λ3(2x-y-1)

To find the optimal solution, we need to find the values of x, y, λ1, λ2, and λ3 that will make the partial derivatives of L equal to zero:

∂L/∂x = 1 + λ3 = 0

∂L/∂y = 1 - λ1 + λ2 + λ3 = 0

Using the variables x and y, we have

∂L/∂λ1 = -x + 6 = 0

∂L/∂λ2 = y - 1 = 0

∂L/∂λ3 = 2x - y - 1 = 0

Using a graphing calculator, the points that maximize the objective function are:

x = 3 and y = 2

i.e.

Power output is 3 units/day of solar power and 2 units/day of wind power.

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The statement that a rate is a type of ratio that has both terms expressed in different units is true.

It is the quantity of an amount of something at a rate of one of another quantity.

In 2 hours, a man can walk for 6 miles

In 1 hour, a man will walk for 3 miles.

We have,

A rate is a type of ratio that has both terms expressed in different units.

This is true.

Example:

The unit rate of running a distance of 5 km in 4 hours.

Rate = 5km/4 hours

Unit rate = (5/4) km / 1 hour

Thus,

A rate is a type of ratio that has both terms expressed indifferent unit is true.

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Answer: To solve this equation, we need to get x on one side of the equation and all the other terms on the other side.

We can start by combining like terms:

three fourths times the quantity x plus 6 end quantity minus one fourth times x equals two fourths times the quantity x plus 9 end quantity

3/4 * x + 3/4 * 6 - 1/4 * x = 2/4 * x + 2/4 * 9

3/4 * x - 1/4 * x + 3/2 = 2/4 * x + 9/2

1/2 * x + 3/2 = x + 9/4

then we can move x to the left side of the equation:

x = x + 9/4 - 3/2

x = 9/4

So the value of x is 9/4.

The answer is A: x = 1.

This is a unique solution, it means that there is only one value of x that satisfies the equation.

Step-by-step explanation: