Peter enters a hot dog eating contest. Peter's friend calculates that on average, Peter eats 2 hot dogs per minute. They write the equation y = 2x in order to predict how many hot dogs Peter can eat in a 30-minute contest, where x stands for the amount of time in minutes and y stands for the total number of hot dogs.
A) Does the equation represent a proportional relationship? Explain your reasoning.

B) What is the unit rate of change for this situation?

Answers

Answer 1

Answer:

A) The equation y = 2x represents a proportional relationship. This is because the values of y are directly proportional to the values of x. In other words, as x increases, y also increases by the same factor. This is the definition of a proportional relationship.

B) The unit rate of change for this situation is 2 hot dogs per minute. This is because the equation y = 2x represents a linear relationship, where the rate of change (the slope) is constant. The unit rate of change is the slope of the line, which in this case is 2. This means that for every 1 minute that passes, Peter eats 2 hot dogs.


Related Questions

What is the area of a section of pavement that is 10 ft wide and 80 yd long? Give your answer in square feet.​

Answers

Answer:

The area of this section of pavement is 800 square feet

Step-by-step explanation:

10 ft times 80 ft = 800 square feet

Give me brainliest if that helped :)

PLEASE HELP ME ASAP PLEASE.

PLEASE HELP ME ASAP PLEASE.

Answers

Answer:

See below

Step-by-step explanation:

g (h(6))   :

   h (6) =  3 ( 6^2) + 2 = 110

   then g (110) =   sqrt (110)

h (g(5))

    g(5) = sqrt 5

        then h( sqrt5) = 3 ( sqrt5)^2 + 2 = 17

6) Jesse is buying a home for $450,000 at 7.8% interest and Jesse is putting 30% down? He wishes to buy 3 points what is the cost of the points?

Answers

Answer:

$9450

Step-by-step explanation:

Given that:

The price of the home = $450000

The interest = 7.8%

Down payment = 30% of price of the home

i.e 0.3 × 450000 = 135000

The principal outstanding balance = 450000 - 135000

= 315000

Finally, the cost of 3 points will be;

\(= 315000 \times \dfrac{3}{100}\)

= $9450

Write an equation in slope-intercept form for this line .

Write an equation in slope-intercept form for this line .

Answers

Answer:

y = 2x - 12

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2, then

y = 2x + c ← is the partial equation

To find c substitute (3, - 6) into the partial equation

- 6 = 6 + c ⇒ c = - 6 - 6 = - 12

y = 2x - 12 ← equation of line

Answer:

y=2x-12

Step-by-step explanation:

slope=m=y-(-6)/x-3

2=y+6/x-3

y+6=2(x-3)

y=2x-12

write a 2 columm proof please help i cant do it

write a 2 columm proof please help i cant do it

Answers

Two column proof is as follows

Statement                              Reason

AB ≅ CB                                Given                  

AD ≅ CD                               Given

< BAD ≅ < BCD                     Given

< ABD = < CBD                      Definition of angle bisection

AB = CB                                 Definition of equality

BD = BD                                 Reflexive property of congruence

AD = DC                                 Definition of bisection

Δ ABD = Δ CBD                     SSS postulate of congruence

What is two column proof?

This is a method of proof that consists of five parts which include

the diagram the statement columnthe reason columnthe giventhe proposition

SSS postulate of congruence

The postulate says that when the three sides of the triangles under comparison are equal then the triangles under comparison are said to be congruent.

In the figure,

AB =CB, from the given sides

BD = BD sharing common sides

AD = CD line AC was bisected by line BD

This completes the SSS proof of congruence

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If the cost of 10 baked bean cans are $35, the cost of each can is how much?

Answers

Answer:

$3 .5

Step-by-step explanation:

since the cost of 10 baked beans is $35

the cost of each will be 35/10 =$3.5

can someone please help me figure out how to do this !!!

can someone please help me figure out how to do this !!!

Answers

Answer:

The length of DE = 10 units.

Step-by-step explanation:

Given the parallelogram ABCD.

The measure of m ∠ BAD = 120°

We know that diagonals of a parallelogram bisect each other, so

BE = DE

In other words, the diagonal AC cuts the diagonal AD into two equal parts (BE and DE), and vice versa.

as

BE = 10

Thus,

DE = 10

Therefore, the length of DE = 10 units.

2. The graph below shows the change in the value of a van over several years.
Value
(thousands of dollars)
14
10
6
N
Value of a Van
0 1 2 3 4 5 6 7 8 9
Time
(years)
BA
10 Pts
Which function can be used to find the value of the van after x years?
U
O

Answers

Answer:

y = -4x + 14

Step-by-step explanation:

suppose that shoe sizes of american women have a bell-shaped distribution with a mean of 8.04 and a standard deviation of 1.53 . using the empirical rule, what percentage of american women have shoe sizes that are less than 11.1 ?

Answers

The percentage of American women that have shoe sizes that are at least 11.1 is; 0.0015

Empirical Rule

We are given;

Mean; x' = 8.04

Standard deviation; σ = 1.53

Using the empirical rule, we can have the data either 1, 2, or 3 standard deviations from the mean.

Thus;

At 1 standard deviation from the mean, we have;

8.04 ± 1(1.53)

(6.52, 8.56)

At 2 standard deviations from the mean, we have;

8.04 ± 2(1.53)

(5, 11.08)

At 3 standard deviations from the mean, we have;

8.04 ± 3(1.52)

(3.48, 12.6)

We can see that the one with at least 12,6 is 3 standard deviations from the mean which from the empirical rule is 99.7%

Thus;

percentage of American women have shoe sizes that are at least 12.6 = 100% - 99.7% - 0.15%

P(x ≥ 12.6) = 0.15% = 0.0015

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Expand. Your answer should be a polynomial in standard form.
8r^2(r^2-2)=

Answers

Answer:

8r^4 - 16r^2

2Step-by-step explanation:

8r^2(r^2-2)

Multiply everything inside the brackets by the term outside of it.

8r^4 - 16r^2

I need help on my question that’s not anwserd please help a
And if u help me I’ll give points and brainlist and thanks and a 5 star please

Answers

Answer:

where's the question. you gave no information....

Step-by-step explanation:

I don't know what I have to work with...

There are 84 classes in a school. Two-thirds learned about the Holocaust. The rest did not. How many classes did not learn about the Holocaust?

Answers

Answer:

28 classes

Step-by-step explanation:

84/3 = 28 classes

Answer:

28 classes didn't learn about the Holocaust

Step-by-step explanation:

If there are 84 classes and two-thirds learned about the Holocaust that means that you have to divide by three.

84 ÷ 3 = 28

Then, you can check your answer by multiplying 28 × 3 = 84

Qusai made a scaled copy of the following trapezoid. he used a scale factor less than 111. what could be the length of the longer base of the scaled copy of the trapezoid?

Answers

The length of the longer base of the trapezoid could be 0.75 units, \(\frac{7}{3}\) units, 4 units.

What is a trapezoid?

A trapezoid, commonly referred to as a trapezium, is a quadrilateral or a polygon with four sides. It has a set of parallel opposing sides and a set of non-parallel sides. The bases and legs of the trapezoid are known as the parallel and non-parallel sides, respectively.

Given: The original length of trapezoid= 6 units

The scale factor of less than 1

So, compare the given lengths with the trapezoid longer base length,

0.75 units<6 units

\(\frac{7}{3}\) units<6 units

8.75 units< 6 units

But, 12 units> 6 units

Therefore, the length of the longer base can be 0.75, \(\frac{7}{3}\), 4 units.

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The complete question is:

“ Qusai made a scaled copy of the following trapezoid. He used a scale factor less than 1.What could be the length of the longer base of the scaled copy of the trapezoid?

Choose 3 answers:

Qusai made a scaled copy of the following trapezoid. he used a scale factor less than 111. what could

True or False? A right triangle can have a leg measuring 10cm and a hypotenuse measuring 10cm

Answers

True, and it's called an isosceles right triangle :D

An Assembly Line Has 10 Stations With Times Of 1, 2, 3, 4, …, 10, Respectively. What Is The Bottleneck Time?

Answers

The bottleneck time is 10. This is the longest time it takes to complete any task in the assembly line, and all the other tasks must be completed within this time frame.

The bottleneck time is the longest time it takes to complete any task in the assembly line. In this case, the longest time needed is 10, which is the last station. This means that all the other tasks must be completed within 10 seconds in order for the entire assembly line to proceed.

The bottleneck time is 10. This is the longest time it takes to complete any task in the assembly line, and all the other tasks must be completed within this time frame.

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Find the surface area of the net.

Find the surface area of the net.

Answers

Answer:

700

Step-by-step explanation:

5 x 20= 100

5 x 20= 100

10 x 20= 200

10 x 20= 200

5 x 10= 50

5 x 10= 50

100+100+200+200+50+50=700

What is 3/5 x 8/9 Fraction
8/15
11/14
27/40
91/40

Answers

Answer:

answer is the first one-8/15

Step-by-step explanation:

multiply side to side like an X

Answer:

\( \sf \: a) \: \frac{8}{15} \)

Step-by-step explanation:

Given problem,

\( \sf \rightarrow \frac{3}{5} \times \frac{8}{9} \)

Let's solve the problem,

\( \sf \rightarrow \frac{3}{5} \times \frac{8}{9} \)

\( \sf \rightarrow \frac{(3 \times 8)}{(5 \times 9)} \)

\( \sf \rightarrow \frac{24}{45} \)

\( \sf \rightarrow \frac{8}{15} \)

Hence, the answer is 8/15.

how do you solve for(−5)^5(−5)^−6

Answers

Answer:

-1/5

Step-by-step explanation:

We know that a^b * a^c = a^(b+c)

(−5)^5(−5)^−6

(-5) ^(5+-6)

(-5)^-1

We know that a^-b = 1/a^b

1/(-5)^1

1/-5

-1/5

Triangles 2.0........

Triangles 2.0........

Answers

15 cm
N=2m so 3m=1.5n then we can plug in that to get 1.5n+5=n+8 to get the value of n then we do our magic and get n=6 n+9 is 15 and it’s the same length as TU

Answer:

triangle STU and WEK are CONGRUENT

ST=WK SIDE OF A CONGRUENT TRAINGLE ARE EQUAL

2M=N.....1

SU=WE

3M+5=N+8

3M+5=2M+8

3M-2M=8-5

M=3

NOW

N=2M=2×3=6CM

TU=WK=N=6CM.

A clerk counted 13 small baseball caps, 36 medium baseball caps, and 27 large baseball caps on the store shelves. She also counted 10 small baseball caps and 15 medium baseball caps in the stockroom.
Organize the data in a matrix. Name the matrix B. Label the rows and columns.
Each baseball cap sells for $19. Create the matrix that shows the total value of each cap size in each location. Show your work.

Answers

The matrix B that organizes the data is given as follows:

B = [13, 36, 27,

      10, 15, 0,

       23, 51, 27].

The matrix that shows the total value of each cap size in each location is given as follows:

C = [247, 684, 513,

      190, 285, 0,

      437, 969, 513].

How to define the matrix B?

The matrix B is defined considering that it will have three rows and three columns, as follows:

Row 1: Number of each type of cap on the store shelves.Row 2: Number of each type of cap on the stockroom.Row 3: Total number of each type of car -> Row 1 + Row 2.Column 1: Small caps.Column 2: Medium caps.Column 3: Large caps.

Then the matrix B is defined as follows:

B = [13, 36, 27,

      10, 15, 0,

       23, 51, 27].

The cost of each baseball cap is of $19, thus the cost matrix is obtained multiplying the matrix B by the constant of 19.

When a matrix is multiplied by a constant, all the elements of the matrix are multiplied by the constant, hence the cost matrix is given as follows:

C = [247, 684, 513,

      190, 285, 0,

      437, 969, 513].

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A book has 250 pages.how many digits have been used to print page no.s of book

Answers

Answer: 642 Digits have been used to print 250 Pages

Step-by-step explanation:

A book has 250 pages

1 - 250  Numbers will be used

Single Digit number  -  9   ( 1- 9)

Two Digit Numbers   90  ( 10 - 99)

Three Digit Numbers  151  ( 100 - 250)

Number Of Digits used  = 9 * 1  + 90 * 2  + 151 * 3

= 9 + 180 + 453

= 642

642 Digits have  been used to print 250 Pages

Solve the system of equations.
y = x2 - 3x + 6
y = 2x + 6
A. (0,6) and (5, 16)
B. (-5, - 4) and (0,6)
C. (-5, - 4) and (0-6)
D. (0,-6) and (5, -16)

Answers

Step-by-step explanation:

y = x² - 3x + 6

y = 2x + 6

y = y

x² - 3x + 6 = 2x + 6

x² - 5x = 0

x(x - 5) = 0

x = 0 and x = 5

y = 2x + 6 and y = 2x + 6

y = 2(0) + 6 and y = 2(5) + 6

y = 0 + 6 and y = 10 + 6

y = 6 and y = 16

(x1,y1) and (x2, y2) = (0,6) and (5,16)

Option → A

When the declaration/// int y = 5; /// is followed by the
assignment /// y += 3.7; /// the value of y is _______.

Answers

Answer:

y = 8.7

Step-by-step explanation:

Assuming we can use decimal places, y is equal to 8.7.

In programming, += is often used as a substitute for y = y + x (example)

Therefore, y = y + 3.7, and since y = 5, y = 5 + 3.7, y = 8.7

This circle graph shows the percent of land occupied by each continent.
The area of North America is approximately 220 million km2
.

Use the percents in the circle graph.
Find the approximate area of each of the other continents,
to the nearest million square kilometres.

Answers

The approximate areas of the continents (excluding North America) are as follows:

- Australia: 11 million km^2

- Europe: 15 million km^2

- Antarctica: 18 million km^2

- South America: 26 million km^2

- Africa: 44 million km^2

- Asia: 66 million km^2

To find the approximate area of each continent, we will multiply the given percentages by the area of North America (220 million km^2).

1. Australia:

Percentage: 5%

Approximate area: 0.05 * 220 million km^2 = 11 million km^2

2. Europe:

Percentage: 7%

Approximate area: 0.07 * 220 million km^2 = 15.4 million km^2 (rounded to 15 million km^2)

3. Antarctica:

Percentage: 8%

Approximate area: 0.08 * 220 million km^2 = 17.6 million km^2 (rounded to 18 million km^2)

4. South America:

Percentage: 12%

Approximate area: 0.12 * 220 million km^2 = 26.4 million km^2 (rounded to 26 million km^2)

5. Africa:

Percentage: 20%

Approximate area: 0.20 * 220 million km^2 = 44 million km^2

6. Asia:

Percentage: 30%

Approximate area: 0.30 * 220 million km^2 = 66 million km^2

Note: These values are rounded to the nearest million square kilometers.

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How can we write the domain and range for a function that is not piece-wise such as
y=x?

Answers

Using infinity so it would be (-infinity, infinity) for both domain and range

(Also since infinity isn’t a set number you need to use the curved parentheses () instead of the brackets [ ] )

1
Jayden filled a tub with boxes of markers.
He put 2 boxes in each layer. It took
4 layers to fill the tub. What is the volume
of the tub?

Answers

Answer:

i think its 6 may be wrong

Which of these triangles are translations of Triangle A?
Select all that apply.
А
E
D
B
F
С

please help

Which of these triangles are translations of Triangle A?Select all that apply.EDBFplease help

Answers

Answer:

B and D

Step-by-step explanation:

A translation of a triangle is moving it up down or side to-side on the axis, not changing the shape flipping it or the orientation,so the translations of a would be B and D!

Hoped this helped, have a good one!

Answer:

B, D

Step-by-step explanation:

Karen eats 1/2 cup of oatmeal that counts for 2 points. Her husband can have 3 points of oatmeal for breakfast. How much oatmeal can he have Number 405

Karen eats 1/2 cup of oatmeal that counts for 2 points. Her husband can have 3 points of oatmeal for

Answers

Explanation

If 2 points corresponds to 1/2 cup, 3 points corresponds to_____. We can write the following proportion:

\(2:\frac{1}{2}::3:x\)\(\begin{gathered} \frac{2}{\frac{1}{2}}=\frac{3}{x} \\ \end{gathered}\)\(4=\frac{3}{x}\)\(x=\frac{3}{4}\)

Answer

Her husband eats 3/4 cup of oatmeal that corresponds to 3 points.

There are 8 red, 4 green, and 6 blue point on a circle. All the points are distinct. Find the number of triangles with vertices of three different colors.

Answers

To find the number of triangles with vertices of three different colors, we need to consider the combinations of colors we can choose from the given set of points.

We have 8 red points, 4 green points, and 6 blue points. To form a triangle with vertices of three different colors, we need to choose one point from each color group.

First, let's choose one red point. We have 8 options for this.

Next, let's choose one green point. We have 4 options for this.

Finally, let's choose one blue point. We have 6 options for this.

To determine the total number of triangles, we need to multiply the number of options for each color:

Total number of triangles = Number of options for red points × Number of options for green points × Number of options for blue points

                      = 8 × 4 × 6

                      = 192

Therefore, there are 192 triangles with vertices of three different colors.

It's worth noting that the order in which we choose the points does not matter because we are counting the number of distinct triangles. So, we are not considering permutations but rather combinations of colors.

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The range of which function includes -4?
O y=√x-5
Oy=√√x +5
y=√√x+5
O y=√x-5

Answers

The function that includes -4 in its range is the first option.

The range of which function includes -4?

The range of a function is the set of the possible outputs of said function.

Here, the one that has -4 in its range is the first one:

\(y = \sqrt{x} - 5\)

Notice that when evaluating this in x = 1, we get:

\(y = \sqrt{1} - 5 = 1 - 5 = -4\)

So -4 is on the range of this function.

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