without using technology, describe the behavior of f(x)=

well, we know the first $25,000 is taxed at 8%, wait a second!!!!! Chris didn't make 25,000 bucks, he only made $17,000, so he'd be in the range of $0 - $25,000 because $17,000 is in that range, that means he owes 8% of 17,000

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{8\% of 17000}}{\left( \cfrac{8}{100} \right)17000}\implies 1360[/tex]

The amount Chris owes in tax is $1360.

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

The first $25,000 is taxed at 8%.

This means,

Amount from 0 to $25000 is taxed at 8%.

Now,

Chris earned = $17,000

Tax amount.

= 8% of 17,000

= 8/100 x 17,000

= 8 x 170

= $1360

Thus,

The tax amount is $1360.

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It will take 300 days to get to 2000 dollars.

According to the question,

We have the following information:

One gets paid every 12 days and one puts back $80 every 12 days.

Now, the total amount of dollars is $2000.

Now, we have the following progression:

80, 160, 240, ...

This is an arithmetic progression.

an = a+(n-1)d where a is the first term and d is the common difference

2000 = 80+(n-1)80

2000 = 80+80n-80

2000 = 80n

n = 2000/80

n = 25

Now, the number of days one is paid is after 12 days.

So, the number of days to get 2000 dollars:

25*12

300 days

Hence, it will take 300 days to get to 2000 dollars.

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Inequality represented by the given graph is equal to 5x -3y > 9.

As given in the question,

For the given graph,

Consider two points on the line represented on the graph ,

( x₁ , y₁) = (0,-3)

(x₂ , y₂) = ( 3,2)

Equation of the line given by two points on the graph,

( y - y₁)/ (x -x₁) = ( y₂ - y₁)/ (x₂ -x₁)

⇒(y +3)/(x-0) = ( 2 + 3)/(3 -0)

⇒(y + 3) / x = 5/3

⇒3(y+ 3) = 5x

⇒3y + 9 = 5x

⇒5x -3y = 9

As per shaded region inequality of the graph is given by,

5x -3y > 9

Therefore, inequality represented by the given graph is equal to 5x -3y> 9.

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Percentage of bags that weigh more than 9.25 ounces is 19.3%.

Given:

Mean μ = 9.12

standard deviation σ = 0.15

z = x - μ / σ

= 9.25 - 9.12 / 0.15

= 0.13/0.15

= 0.867

P(x>Z)  = 0.193

= 0.193/100

= 19.3%

Therefore Percentage of bags that weigh more than 9.25 ounces is 19.3%.

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Answer:

$306

Step-by-step explanation:

we know that

Erika earns 9$ per hour

so

By proportion

Find how much she earn during the total hours of two weeks

The total hours of two weeks is equal to

[tex]14+20=34 hours[/tex]

[tex]\frac{9}{1} \frac{money}{hour} = \frac{x}{34} \frac{money}{hours}[/tex]

[tex]x =34[/tex]×[tex]9[/tex]

x = 306$

therefore

the answer is

$306

Given a budget of $25, the whole pounds of chocolate chips that Malik can order is 11 pounds of chocolate.

For up to 3 pounds, the supplier will charge Malik $4 per pound. This means that after buying 3 pounds of chocolate chips, the amount Malik would be left with it:
= Malik budget -  (Price of 4 pounds x 4 pounds)

=  25 - (4 x 3)

= $13

The number of pounds of chips that Malik an buy at $1.50 per pound is:

= 13 / 1 .50

= 8 whole pounds

The total number of whole pounds that Malik can order is:

= 3 + 8

= 11 pounds

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The equation of line passing through the point P(-8,0) that is perpendicular to the line y=-3 is y=0 which can be found out from slope intercept formula.

It is given to us that -

The point is P(-8,0)

The line is represented as y=-3

The point P is perpendicular to the given line.

We have to find out the equation of the line passing through P which is perpendicular to the given line.

We know that the equation of a line is given by -

y = mx + c

where, (x, y) = coordinates of the point

m = slope of the line

c = a constant

Comparing this with the equation of the given line, we have

m=0 and c =-3

This implies that the slope of the perpendicular is also equal to 0.

The slope intercept formula for the perpendicular line can be represented as -

y = mx + c

Using the coordinates of P(-8,0), we have

0 = 0*(-8) +c

=> c = 0.

Thus, the equation of line passing through the point P(-8,0) that is perpendicular to the line y=-3 is y=0.

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Answer:

Hundreds: 6 Tenths: 2 Ten Thousands: 5

Step-by-step explanation:

Hundreds are 2 decimal places (0.02)

Tenths are 1 decimal place (0.1)

Ten Thousands are 4 decimal places (0.0004)

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The height of the large boxes is 36 inches when the volume of box is 3456 cubic inches.

According to the question,

We have the following information:

A cereal company packs cereal boxes into large cardboard boxes. The large boxes are 12 inches long and 8 inches wide.

Volume of box = 3456 cubic inches

We know that the box is in the shape of cuboid.

Following formula is used to find the volume of cuboid:

Volume = length*width*height

12*8*height = 3456

96*height = 3456

Dividing both sides by 96:

Height = 3456/96

Height of the box = 36 inches

Hence, the height of the large boxes is 36 inches when the volume of box is 3456 cubic inches.

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The effect of the sample size on the mean of the sampling distribution is that it effects the variations .

In the question ,

If the sample size is increased ,

that is if the number of sample is increased then the errors in the sampling distribution becomes less .

and if the sample size is decreased then it will lead to the increase in the errors  of the distribution .

The formula for relationship between variation and sample size is given as ,

σx = σ / sqrt (n)

we can see that variation and sample size are inversely proportional .

that means increase in the sample size results in reduction of variation.

Therefore , The effect of the sample size on the mean of the sampling distribution is that it effects the variations .

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Answer:

red cubes = 99, plastic cubes = 462

Step-by-step explanation:

total number of cubes/total ratio

= 560/17

= 33 (approximately)

red cubes

= 33 × 3

= 99

plastic cubes

= 33 × 14

= 462

Though 462 + 99 equals 561 rather than 560, I had to approximate the values because if not, the result will be 461 which is a prime number.

Refer to the attachment for figure:

The height of the rectangle = 11 inches

What is rectangle?

A rectangle is a type of quadrilateral with parallel sides equal to each other and four equal 90-degree vertices. Because of this, it is also known as an equiangular quadrilateral. Because the opposite sides of a rectangle are equal and parallel, it can also be referred to as a parallelogram.

Let x= height

Width becomes x+49

Diagonal BD=61 inches

By pythagoras theorem,

BD²=BC²+CD²

61²= (x+49)²+x²

3721=x²+98x+2401+x²

On simplification,

x²+49x-660=0

Find the factors

(x+60)(x-11)=0

x=-60, x=11

Consider positive value for height

height = 11 inches

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By using Binomial Distribution  of probability, it is obtained that

Probability  that the number of heads is 13 or more =  [tex]137980(\frac{1}{2})^{20}[/tex]

What is Binomial Distribution?

Binomial distribution is a discrete type probability distribution whose probability mass function is

P(X = k) = [tex]{n \choose k} p^k(1 - p)^{n-k}[/tex]

p is the probability of success.

Here Binomial distribution of probability is used

P(X [tex]\geq[/tex] 13) = P(X = 13) + P(X = 14) + ........ + P(X = 20)

P(X = 13) = [tex]{20 \choose 13} (\frac{1}{2})^{13}( 1 - \frac{1}{2}})^{20-13}[/tex]

              = [tex]{20 \choose 13} (\frac{1}{2})^{13}( \frac{1}{2}})^{7}[/tex]

              =[tex]{20 \choose1 3} (\frac{1}{2})^{20}[/tex]

P(X = 14) = [tex]{20 \choose14} (\frac{1}{2})^{20}[/tex]

P(X = 20) = [tex]{20 \choose20} (\frac{1}{2})^{20}[/tex]

Total Probability = [tex]({20 \choose 13} + {20 \choose 14} + .... {20 \choose 20})(\frac{1}{2})^{20}[/tex]

                  = (77520 + 38760 + 15504 + 4845 + 1140 + 190 + 20 + 1)[tex](\frac{1}{2})^{20}[/tex]

                   = [tex]137980(\frac{1}{2})^{20}[/tex]

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The vector as a linear combination of the standard unit vectors is written as 3i+3j , the correct option is (a) .

In the question ,

it is given that ,

the initial point of the vector = (1 , -1)

the terminal point of the vector = (4,2)

we know that the vector with initial point (x₁ , y₁) and (x₂ , y₂) is calculated using the formula

V = (x₂ - x₁)i + (y₂ - y₁)j

Substituting the values from the point ,

we get the vector as

V = (4 - 1)i + (2 -(-1))j

V = 3i + (2 + 1)j

V = 3i + 3j

Therefore , The vector as a linear combination of the standard unit vectors is written as 3i+3j , the correct option is (a) .

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Her situation can be modeled by the linear equation (in standard form):

x*$0.25 + y*$0.79 = $2.50

The variables that we will use here are:

x =  number of apples that she can buy.

y = number of bananas that she can buy.

We know that she has $2.50 to spend, that each apple costs $0.25 and each banana costs $0.79, then the cost of the x apples and y bananas is:

x*$0.25 + y*$0.79

and that must be equal to the amount she has to spend, then we can write the linear equation:

x*$0.25 + y*$0.79 = $2.50

That is the linear equation in standard form that represents her situation.

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Answer:

the correct answer is A. y = - x - 4

Step-by-step explanation:

Just insert the graph into a calculator and solve.

every time x goes up two, so does y. except the y is 4 units lower than the x.

Answer:

-1/8

Step-by-step explanation:

-2³/2⁶ negative exponents go in the denonimator

-1/2³ subtract exponents since the denonimator is larger

-1/8 simplify

the matrix has one real eigenvalue of algebraic multiplicity.

[1-λ     k

1        -7-λ]     =(1-λ)(-7-λ)-(1)(k) = λ² +6λ -(k+7)

Mathematics has several different subfields, including algebra. Algebra is the study of mathematical symbols and the rules for using them in formulas; it is a common thread that runs through practically all of mathematics.

Since many applications of mathematics include the manipulation of variables, which are frequently represented by Roman letters, elementary algebra is a prerequisite. For the most part in education, the study of algebraic structures like groups, rings, and fields is referred to as abstract algebra (the term is no more in common use outside the educational context). In contemporary presentations of geometry, linear algebra—which deals with linear equations and linear mappings—is used.

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Answer: Yes

Step-by-step explanation:

An equilateral triangle has three equal sides and angles, therefore all of the sides are congruent.

Answer:

It says right there that he bought a pound of turkey for $5.50.

One pound of turkey is $5.50?

Step-by-step explanation:

This is extremely confusing

The measure that will be captured by approximately 9000 of the confidence intervals is given as follows:

(E) The Population Median.

The interpretation of a x% confidence interval is that it is x% likely that the population parameter(mean/proportion/standard deviation/median) is between a and b, which are the bounds of the confidence interval.

The bounds of the confidence interval are obtained by the estimate plus/minus the margin of error.

The measure for which the confidence intervals are calculated in this problem is given by:

Median.

The sample median for each sample is used for the estimes, and then these estimates are inferred for the population median, which is the population parameter, hence option e is correct.

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Traingle is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.

The sum of the three angles is equal to 180 degrees.

The value of angle W is 47.67

It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.

We have,

In this triangle:

angle W = (3x-24) degrees.

angle C = (4x-11) degrees.

angle T = 2x degrees.

Now,

The sum of the three angles is equal to 180 degrees.

3x - 24 + 4x - 11 + 2x = 180

9x - 35 = 180

9x = 215

x = 215/9

Now,

The angle W.

= 3x - 24

= (3 x 215/9) - 24

= 215/3 - 24

= 71.67 - 24

= 47.67

Thus,

The value of angle W is 47.67

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Answer: 132.5

Step-by-step explanation:

Answer:

132.75

Step-by-step explanation:

*in picture below*

Answer:

x-intercept: -([tex]\frac{35}{9}[/tex],0)

y-intercept: (0,-3)

Step-by-step explanation:

The number of dimes and nickels that Johnny has are 6 and 3 respectively.

The following should be noted:

Nickel = 5 cent = 0.05

Dime = 10 cents = 0.10

Let the number of nickels = n

Let the number of dimes = 2n

Total worth = $0.75

This will be illustrated as:

0.05(n) + 0.10(2n) = 0.75

0.05n + 0.20n = 0.75

0.25n = 0.75

Divide

n = 0.75/0.25

n = 3

Number of nickels = 3

Number of dimes = 2n

= 2 × 3

= 6

Number of dimes = 6

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Answer:

====================

Triangle inequality theorem states that the sum of any two sides must be greater than the remaining side.

We see 10 + 10 = 20, so this is contradicting the mentioned theorem, therefore these lengths are not good to form a triangle.

We see 10 + 10 = 20, so this is contradicting the mentioned theorem, therefore these lengths are not good to form a triangle.

Given,

The lengths of triangle is given as:

10 , 10 and 20

To check the following three lengths form a right triangle.

Now, According to the question:

What is triangle inequality theorem ?

The triangle inequality theorem describes the relationship between the three sides of a triangle. According to this theorem, for any triangle, the sum of lengths of two sides is always greater than the third side.

So, The length of triangle are 10, 10, 20

10 + 10 = 20

We see 10 + 10 = 20, so this is contradicting the mentioned theorem, therefore these lengths are not good to form a triangle.

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Answer: 50%

Hope this helps!