On a scatter plot, what is the difference of a positive and negative correlation

Answers

Answer 1

Final answer:

On a scatter plot, a positive correlation indicates an increasing relationship between two variables, represented by an upward slope. Negative correlation shows a decreasing relationship, represented by a downward slope. The strength of these relationships is determined by the correlation coefficient.

Explanation:

In a scatter plot, a positive correlation and a negative correlation represent different types of relationships between two variables. A positive correlation suggests that as one variable increases, the other also increases. For example, height and weight are usually positively correlated, as the taller a person is, the more they tend to weigh.

On the other hand, a negative correlation means that as one variable increases, the other decreases. Graphically, this is represented by a downward slope from left to right. An example of this is the relationship between hours of sleep and tiredness, more hours of sleep typically correspond to less tiredness.

The strength of these correlations are determined by the correlation coefficient. A correlation coefficient closer to 1 or -1 indicates a stronger relationship, and a coefficient closer to 0 indicates a weaker relationship.

Learn more about Correlation here:

https://brainly.com/question/31588111

#SPJ2

Related Questions

{3, 4, 7} list all the subsets.

Answers

A subset is a collection of items drawn from the original larger set. A subset can have the same number of items as the original set or the count can be smaller.

Subsets that have 3 items: {3, 4, 7} which is the original set. Any set is a subset of itself.

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

Subsets that have 2 items
{3, 4}, {3, 7}, {4, 7}

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

Subsets that have 1 item
{3}, {4}, {7}

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

Subsets that have 0 items: the empty set which we write { } or using the symbol [tex]\varnothing[/tex]

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

So all together we have 8 subsets
{3, 4, 7}
{3, 4}, {3, 7}, {4, 7}
{3}, {4}, {7}
{ }

Side Note: There are n = 3 items in the original set so there are 2^n = 2^3 = 8 subsets possible. The collection of all subsets is known as a power set.

Final answer:

The subsets of {3, 4, 7} are {}, {3}, {4}, {7}, {3, 4}, {3, 7}, {4, 7}, {3, 4, 7}

Explanation:

When listing all the subsets of {3, 4, 7}, we include the empty set {}, as well as all the subsets that can be formed by selecting one or more elements from the original set. In this case, the subsets are:

{}{3}{4}{7}{3, 4}{3, 7}{4, 7}{3, 4, 7}

Learn more about Mathematics here:

https://brainly.com/question/26854035

#SPJ3

Daniel ate 0.55 of a candy bar. Which fraction represents the part of the candy bar that Daniel ate?

A. 10/22
B. 11/20
C. 2/5
D. 3/4
E. 11/40

Answers

B, The greatest common factor for 55 and 100 is 5.Divide 55 by 5 and you get 11.Divide 100 by 5 and you get 20.In its simplest form, the fraction 55/100 equals 11/20.

Answer:

The answer is B 11/20

Step-by-step explanation:

To transform a decimal to a fraction you must do the following:

1. Multiply by an specific power of 10 until your decimal becomes a whole number. In this case 0.55 we multiply by 10 ^2 or 100 and we obtain 55.

2 Divide the decimal by this same power of 10 so that you do not change the original value. For example

0.55 *(100/100) = 55/100 As you see Im multiplying and dividing by 100 ( thats equivalent to 1 so it doesnt change the original number)

3 Simplify the fraction

To simplify your fraction you must find the Greatest Common Factor of 55 and 100. For doing this, you only perform a prime factorization. Divide 55 and 100 by the smallest common prime factor, besides 1. (For this case is 5) until you arrive to two number without common prime factors.

55/5 = 11

100/5 = 20

As 11 and 20 have no common prime factors it is the most simplified fraction

A function has a domain of {1, 3, 5, 7} and a range of {2, 4, 6}. Which set of ordered pairs represents this function?

A.{(1, 2), (3, 4), (5, 6), (7, 2)}
B.{(1, 2), (3, 6), (5, 4), (5, 2)}
C.{(1, 2), (3, 2), (5, 2), (7, 2)}
D.{(1, 4), (3, 4), (5, 6), (7, 6)}

Answers

For this case we have the following domain:
{1, 3, 5, 7}
We have the following range:
{2, 4, 6}
A value of the range belongs to each value of the domain.
Therefore, the ordered pairs are:
(1, 2)
(3. 4)
(5, 6)
Answer:
A. {(1, 2), (3, 4), (5, 6), (7, 2)}

WHO LIKES PARABOLAS 3 MULTIPLE CHOICE
1. What is the vertex of the parabola? y−3=12(x+5)^2
2. The equation of a parabola is y=12x2+6x+23 .
What is the equation of the directrix?
y = 5.5
y = 4.5
y = 2
y = 0.5
3.The equation of a parabola is 132(y−2)2=x−1 .
What are the coordinates of the focus?
(−7, 2)
(1, 10)
(1, −6)
(9, 2)

Answers

Question 1) Vertex of the Parabola.

[tex]y-3=12(x+5)^{2} \\ \\ y= 12(x+5)^{2}+3[/tex]

The vertex of the general parabolic equation:

[tex]y=a(x-h)^{2}+k [/tex]

lies at (h,k)

Comparing the given equation to general equation, we can write:

h = - 5
k = 3

So, the vertex of the given parabola will be (-5, 3)

Question 2) Equation of Directrix

The correct equation of the parabola is:

[tex]y= \frac{1}{2} x^{2} +6x+23 \\ \\ [/tex]

First we need to convert the equation to standard form as shown below:

[tex]y= \frac{1}{2}( x^{2} +12x)+23 \\ \\ y= \frac{1}{2}( x^{2} +12x+36)+23- \frac{1}{2}(36) \\ \\ y= \frac{1}{2}(x+6)^{2}+5 \\ \\ y-5= \frac{1}{2}(x+6)^{2} \\ \\ 2(y-5)=(x+6)^{2} \\ \\ 4( \frac{1}{2})(y-5)= (x+6)^{2}[/tex]

The directrix of the general parabola of the form:

[tex]4p(y-k)=(x-h)^{2} [/tex]

is y = k - p

Comparing equation of given parabola with general parabolic equation, we can write:
p =1/2
k = 5

So, equation of directirx will be:

y = 5 - 1/2 = 4.5

So, option B gives the correct answer.

Question 3) Focus of the parabola

The correct equation of the parabola is:

[tex] \frac{1}{32}(y-2)^{2}=x-1 \\ \\ (y-2)^{2}=32(x-1) \\ \\ (y-2)^{2}=4*8(x-1)[/tex]

Comparing this equation to the general parabolic equation, we can write:
p=8
h =1
k = 2

The focus of the parabola will be at (h+p,k) = (9,2)

So the focus of the parabola is at (9,2)

Thus, option D gives the correct answer.

The equation of a circle is x2 − 4x + y2 + 8y − 29 = 0. what are the center and radius of the circle? enter your answers in the boxes.

Answers

[tex]\text{The standard form of the circle:}\\\\(x-h)^2+(y-k)^2=r^2\\\\\text{h and k are the x and y coordinates of the circle}[/tex]

[tex]\text{We have}\\\\x^2-4x+y^2+8y-29=0\\\\\text{use:(*)}(a\pm b)^2=a^2\pm2ab+b^2[/tex]
[tex]x^2-2x\cdot2+y^2+2y\cdot4=29\ \ \ |+2^2\ \ |+4^2\\\\\underbrace{x^2-2x\cdot2+2^2}_{(*)}+\underbrace{y^2+2y\cdot4+4^2}_{(*)}=29+2^2+4^2\\\\(x-2)^2+(y+4)^2=49[/tex]
[tex]\text{Answer: the center (2;-4), the radius}\ r=\sqrt{49}=7[/tex]

Final answer:

The center of the circle described by the equation x2 − 4x + y2 + 8y − 29 = 0 is (2, -4), and the radius is 7 units.

Explanation:

The equation of a circle given in the question is x2 − 4x + y2 + 8y − 29 = 0. To find the center and radius of the circle, we will complete the square for both x and y terms.

This involves adding and subtracting the squared half of the coefficients of x and y to complete the square:

(x2 - 4x + 4) - 4 + (y2 + 8y + 16) - 16 = 29 + 4 + 16

(x - 2)2 + (y + 4)2 = 49

This equation is now in standard circle form, which is (x - h)2 + (y - k)2 = r2, where (h, k) is the center and r is the radius.

The center of the circle is therefore at (2, -4) and the radius is √(49) = 7 units.

Rectangle ABCD is shown below with line EF passing through the center:
If rectangle ABCD is dilated by a scale factor of five about the center of the rectangle to create rectangle A'B'C'D', dilated line E'F' will

A: be parallel to the original line
B: shift five units to the right
C: be perpendicular to the original line
D: lie on the same line as the original

Answers

Dilation of rectangle ABCD by a given scale factor about the center of rectangle to create an image, will not affect the image of the EF which is E'F', this is because line EF is passing through the center of the rectangle, the point at which the rectangle was dilated. Thus the answer will be:

D: lie on the same line as the original

Answer:

D lie on thesame line as the original

Step-by-step explanation:

I took the test and hurray! It was correct

Complete the solution of the equation. Find the value of Y when X equals 2. 2x - 2y = 22

Answers

2x - 2y = 22

substitute 2 as the value of x.

we get;

2*2 -22 = 2y
4 - 22 = -18 = 2y
y = -9

The value of Y when x = 2 is y = -9

In the data set below, what is the mean absolute deviation?4461526If the answer is a decimal, round it to the nearest tenth.mean absolute deviation (MAD):

Answers

I assume that the numbers are: 4,4,6,1,5,2,6
If so, then the MAD is 1.43

To find the MAD, you first find the mean of the list. It is 4.
Then find the absolute difference of each number from the mean.

Those values are: 0,0,2,3,1,2,2
Now find the mean of those numbers and you have about: 1.43

how do I solve this?

Answers

Distribute the exponent power of 2 to each term:
[2² * (√(3x⁵))² - 2² * (√y)²]

Now simplify. Placing a square root to the power of 2 just cancels each other out so you're left with:
[4(3x⁵) - 4y]

Simplify again for your answer:
12x⁵ - 4y

two negative integers have a sum of -18 and a product of 80. what are the integers?

Answers

The two integers your looking for are -8, and -10. -8+-10=-18
-8*-10=80
Please rate brainliest if this helped you.

Hello!

The most reasonable answer would -8 and -10.

-8 * -10 = 80

-8 + -10 = 18

Hope I helped!

An item is priced at $13.04. If the sales tax is 5%, what does the item cost including sales tax? If necessary, round to the nearest cent.
A.
$13.56
B.
$13.24
C.
$12.39
D.
$13.69

Answers

The answer would be D

to find 5% you have to multiply by 0.05

13.04 * 0.05 = 0.652
When you round it to the nearest cent you get 69 cents
so the answer is D) 13.69

Before a renovation, a movie theater had 111 seats. After the renovation, the theater has 154 seats. What is the approximate percentage increase of the number of seats in the theater? If necessary, round to the nearest tenth of a percent.

A. 28.1% B. 38.7% C. 43.3% D. 24.8%

Answers

Percentage increase will be given by:
(New number-Old number)/(Old number)×100
new number=154 seats
old number =111 seats
thus
Percentage increase is:
(154-111)/111×100
=38.7%

Answer: B. 38.7%

What is the inverse of the function f(x)= 19/x^3 ?

Answers

[tex]f(x)=\dfrac{19}{x^3}\to y=\dfrac{19}{x^3}\\\\\dfrac{y}{1}=\dfrac{19}{x^3}\ \ \ \ |cross\ multiply\\\\yx^3=19\ \ \ \ |:y\neq0\\\\x^3=\dfrac{19}{y}\to x=\sqrt[3]{\dfrac{19}{y}}[/tex]
Answer: [tex]f^{-1}(x)=\sqrt[3]{\dfrac{19}{x}}[/tex]

A barn is an atomic unit of area equal to 10–28 m2. what is the surface area of the earth expressed in units of barn? assume the earth is a sphere with a radius of km. (the surface area of a sphere is 4πr2.)

Answers

the complete question in the attached figure

we know that
surface area of a sphere=4*pi*r²
for r=6380 km------->r=6380 x 10^3 m

surface area of of the earth=4*pi*(6380 x 10^3)²-----> 511506576035121,52 m²

if 1 barn is equal to-------------> 10^(-28) m²
x barn----------------------> 511506576035121,52 m²
x=511506576035121,5/(10^(-28))------> x=5.12 x 10^42 barn

the answer is5.12 x 10^42 barn

the number of mosquito at the beginning of the summer was 4,000. the population of mosquito is expected to grow at a rate of 25% a month . how many mosquitoes will there be after 4 months

Answers

Final answer:

Using the formula for exponential growth and given an initial population of 4,000 mosquitoes with a 25% monthly growth rate, the mosquito population is expected to grow to approximately 9,766 after 4 months.

Explanation:

The question involves calculating the growth of a mosquito population over a period, specifically after 4 months, given an initial population of 4,000 mosquitoes and a monthly growth rate of 25%. To find the population after 4 months, we use the formula for exponential growth:

P = P0 × (1 + r)n

where P is the population at the end, P0 is the initial population, r is the growth rate (expressed as a decimal), and n is the number of time periods.

Substituting the values, we get:

P = 4000 × (1 + 0.25)4

P = 4000 × (1.25)4

After calculating, we find that P = 9765.63. Thus, the population of mosquitoes after 4 months is expected to be approximately 9,766.

The mosquito population grows from 4,000 to approximately 9,766 over 4 months with a 25% monthly increase.

The initial number of mosquitoes is 4,000, and the population increases at a rate of 25% per month. To find the population after 4 months, we use the formula for compound interest:

P = P0 [tex](1 + r)^{t[/tex]

where:

P0 is the initial populationr is the growth ratet is the time in months

Given:

P0 = 4,000r = 25% or 0.25t = 4

Substitute these values into the formula:

P = 4000 × (1 + 0.25)⁴

First, calculate (1 + 0.25):

1 + 0.25 = 1.25

Then, raise this to the power of 4:

(1.25)⁴ = 2.4414

Finally, multiply by the initial population:

P = 4000 × 2.4414 = 9765.6

Thus, the mosquito population after 4 months is approximately 9,766.

Which of the following have been used to measure wealth in early societies?

Cows
Dogs
Grain
Land
Metals

Answers

The answer is cows, metals, land, and grains.

Which of the following is equivalent to the midpoint between the points (8, -9) and (0, 5)?

(4, -2)

(4, 2)

(-2, 4)

(2, 4)

Answers

add up the x points and divided by 2
same to go for the y points
so the and is (4,-2)

The perimeter of a rectangle is 30 centimeters. The width of the rectangle is 6 centimeters. How long is the rectangle?

Answers

it is 9 because 9+9=18 and 18+6=24 and 24+6=30

If prices increase at a monthly rate of 1.1%, by what percentage do they increase in a year, What is the annual inflation rate

Answers

Suppose
P0=$1
A=P(1+r)^(td)
A=1(1+0.011)^12
A=1(1.011)^12
A=$1.1403

Yearly increase will therefore be 14.03%. Hence the inflation per year is 14.03%

Final answer:

To find the annual inflation rate when prices increase at a monthly rate of 1.1%, you use the formula for compounding interest, resulting in an approximate annual rate of 13.97%.

Explanation:

If prices increase at a monthly rate of 1.1%, to calculate the annual inflation rate, you should consider the compounding effect over the year. The general formula for finding the total percentage increase over multiple periods when compounded at each period is:

(1 + rate)^number of periods - 1.

In this case, the monthly rate is 1.1%, or 0.011 when expressed as a decimal. The number of periods (months) in a year is 12. Plugging these values into the formula gives:

(1 + 0.011)^12 - 1,

which calculates to:

1.011^12 - 1 = 0.1397 or 13.97%.

So, the annual inflation rate when prices increase at a monthly rate of 1.1% is approximately 13.97%.

Select the statement that is true. Answer Choices The sum of 0.12x2+0.3⎯⎯⎯ and 1.5x2−0.75 is 1.62x2+0.416 . -0.45x2+0.9 subtracted from 2.5x2−7.32 is -2.95x2+8.22 . The difference of 18.94x−0.4⎯⎯⎯ and -10.2x+4.5 is 8.74x−4.94⎯⎯⎯ . The product of 0.6⎯⎯⎯x+3.4 and -6x+5.7 is -4x2−16.6x+19.38 .

Answers

The operations given will be evaluated as follows:
1]
(0.12x^2+0.3)+(1.5x^2-0.75)
=(0.12x^2+1.5x^2)+(0.3+0.75)
=1.62x+1.05

2]
(2.5x^2-7.32)-(-0.45x^2+0.9)
(2.5x^2+0.45x^2)+(-7.32-0.9)
2.95x^2-8.22

3](18.94x-0.4)-(-10.2x+4.5)
=(18.94x+10.2x)+(-0.4-4.5)
=29.14x-4.9

4] (x+3.4)(-6x+5.7)
=x(-6x+5.7)+3.4(-6x+5.7)
=-6x^2+5.7x-20.4x+19.38
=-6x^2-14.7x+19.38

Due tomorrow. Please help!!!!

Answers

The common difference can be found from
[tex]d=\dfrac{a_{17}-a_{7}}{17-7}=\dfrac{81-41}{17-7}=\dfrac{40}{10}=4[/tex]
The first term of the sequence can be found from either of the given terms.
[tex]a_{7}=41=a_{1}+(7-1)d=a_{1}+24\\a_{1}=41-24=17[/tex]

The sum of 40 terms is
[tex]S_{40}=\dfrac{40}{2}(a_{1}+a_{40})=20(17+(17+39\cdot 4)=20\cdot 190=3800[/tex]

The sum of the first 40 terms is 3800.

Anyone know this geometry question? Will give brainiest

Answers

It's think it's C But I guessed

If f(x) =3x-2, find f-1(x)

Answers

Final answer:

To find the inverse of a function, follow these steps: replace f(x) with y, interchange x and y, solve for y, and replace y with f-1(x). Applying these steps to the given function f(x) = 3x - 2 results in the inverse function f-1(x) = (x + 2)/3.

Explanation:

To find the inverse of a function, we can follow these steps:

Replace the function notation f(x) with yInterchange x and y in the equationSolve the resulting equation for yReplace y with f-1(x)

Let's apply these steps to the given function f(x) = 3x - 2:

Replace f(x) with y: y = 3x - 2Interchange x and y: x = 3y - 2Solve for y: x + 2 = 3y
y = (x + 2)/3Replace y with f-1(x): f-1(x) = (x + 2)/3

Therefore, the inverse of the function f(x) = 3x - 2 is f-1(x) = (x + 2)/3.

Learn more about Inverse Functions here:

https://brainly.com/question/17872426

#SPJ3

The inverse function of [tex]$ f(x) = 3x - 2 $[/tex] is [tex]$ f^{-1}(x) = \frac{x + 2}{3} $.[/tex]

To find the inverse function [tex]$ f^{-1}(x) $[/tex] for the given function [tex]$ f(x) = 3x - 2 $[/tex], follow these steps:

Start with the original function:

[tex]\[ y = 3x - 2 \][/tex]

Swap y and x to find the inverse:

[tex]\[ x = 3y - 2 \][/tex]

Solve for y:

[tex]\[ x + 2 = 3y \][/tex]

[tex]\[ y = \frac{x + 2}{3} \][/tex]

Rewrite y as [tex]$ f^{-1}(x) $:[/tex]

[tex]\[ f^{-1}(x) = \frac{x + 2}{3} \][/tex]

So, the inverse function [tex]$ f^{-1}(x) $[/tex] is:

[tex]\[f^{-1}(x) = \frac{x + 2}{3}\][/tex]

Complete Question:

If [tex]f(x) =3x-2[/tex], find [tex]f^{-1}(x)[/tex]

Chauncey has 42 coins, all dimes and quarters. the total value of all these coins is $5.70. how many dimes does he have?

Answers

10 quarters = $2.50
32 dimes = $3.20

$3.20 + $2.50 = $5.70

Final answer:

To determine the number of dimes Chauncey has, you can use the system of equations stemming from the total number of coins and their total value. Following through with the calculations, it turns out that Chauncey has 32 dimes.

Explanation:

The subject at hand revolves around the concept of linear equations. Given that Chauncey has 42 coins (all dimes and quarters) worth $5.70, you can use a system of equations to figure out the number of each type of coin.

First, let d be the number of dimes and q be the number of quarters. The total number of coins is 42, so the first equation is d + q = 42.Second, a dime is worth $0.10 and a quarter is worth $0.25. Since the total value of coins is $5.70, another equation you can form is 0.10d + 0.25q = 5.70.Having formed this system of two equations, you can solve it by multiplying the first equation by 0.10, which gives 0.10d + 0.10q = 4.2.Subtract this new equation from the second equation: 0.10d + 0.25q - 0.10d - 0.10q = 5.70 - 4.2. Simplify this to 0.15q = 1.5.Divide each side by 0.15, then q = 10. Substitute q = 10 into the first equation to solve for d. This gives d = 42 - 10 = 32.

So, Chauncey has 32 dimes.

Learn more about System of Equations here:

https://brainly.com/question/21620502

#SPJ3

What is the equation for a line that passes through the points (-3,-3) and (6,21)?

Answers

[tex]\bf \begin{array}{ccccccccc} &&x_1&&y_1&&x_2&&y_2\\ % (a,b) &&(~ -3 &,& -3~) % (c,d) &&(~ 6 &,& 21~) \end{array} \\\\\\ % slope = m slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{21-(-3)}{6-(-3)}\implies \cfrac{21+3}{6+3}[/tex]

[tex]\bf \cfrac{24}{9}\implies \cfrac{8}{3} \\\\\\ % point-slope intercept \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-3)=\cfrac{8}{3}[x-(-3)] \\\\\\ y+3=\cfrac{8}{3}(x+3)\implies y+3=\cfrac{8}{3}x+8\implies y=\cfrac{8}{3}x+5[/tex]

You are painting a ceiling in a room. The room measures 30 feet by 40 feet. One gallon of paint costs $25 and covers 200 square feet. How much will it cost to paint the ceiling?
A. $6
B. $17.50
C. $150
D. $1,200

Answers

we know that
the area of the room=30*40------> 1200 ft²

1 gallon of paint cover----------------> 200 ft²
x---------------------------> 1200 ft²
x=1200/200------> x=6 gallons

1 gallon cost------------> $25
6 gallons-----------> x
x=6*25-----> x=$150

the answer is
the option C. $150

Answer:

C. $150

Step-by-step explanation:

we know that

the area of the room=30*40------> 1200 ft²

1 gallon of paint cover----------------> 200 ft²

x---------------------------> 1200 ft²

x=1200/200------> x=6 gallons

1 gallon cost------------> $25

6 gallons-----------> x

x=6*25-----> x=$150

the answer is

the option C. $150

A professor wants to arrange his books on a shelf. he has 30 books and only space on the shelf for 20 of them. how many different 20-book arrangements can he make using the 30 books? this is an example of a problem that can be solved using which method?

Answers

This is an example of a problem that can be solved using combination.

The number of possible arrangements is
[tex]P\left(30,20\right)=\frac{30!}{\left(30-20\right)!\times 20!}=30,045,015[/tex]

There are 30,045,015 possible 20-book arrangements.

Answer: Total arrangement are 30045015

Given problem will be solved with help of combination.

Step-by-step explanation:

When we find the arrangement in which the order does not matter then we use combination,

Here, we have to find the possible arrangement in which order does not matter,

Thus, we will use combination to find the answer.

Here the total number of books = 30

A self contains, the number of book = 20,

Hence, the total arrangement of 20 books out of 30 books

[tex]=^{30}C_{20}[/tex]

[tex]=\frac{30!}{20!(30-20)!}[/tex]

[tex]=\frac{30\times 29\times 28\times 27\times 26\times 25\times 24\times 23\times 22\times 21}{10!}[/tex]

[tex]=\frac{4.9557887\times 10^{12} }{3628800 }=30045015 [/tex]

Urgent!!! What is the slope-intercept form of the equation of the line that passes through the points (2, 7) and (4, −1) ?

Answers

Use the rise over run formula to find the slope:

[tex] \frac{y2-y1}{x2-x1}[/tex]

[tex] \frac{-1 - 7}{4-2} = \frac{-8}{2} = -4[/tex]

Find the y-intercept of the line by multiplying the slope by the distance between x = 0 and a point. We'll use (2,7) to find the y-intercept.

0 - 2 = -2

-2(-4) + 7 = 15

The new point on the line is (0,15). Since x = 0, 15 is your y-intercept.

Plug in your slope and y-intercept into the equation:

[tex]y = mx + b[/tex]

Answer:

[tex]y = -4x + 15[/tex]

Best rentals charges a daily fee plus a mileage fee for renting its cars. barney was charged $81 for 3 days and 300 miles, while mary was charged $145 for 5 days and 600 miles. what does best rental charge per day and per mile?

Answers

For this case, the first thing we must do is define variables:
x: rental charge per day
y: rental charge per mile
We write the system of equations:
3x + 300y = 81
5x + 600y = 145
Solving the system we have:
x = 17
y = 1/10
Answer:
rental charge per day = 17 $
rental charge per mile = 1/10 $

The population of a town increased from 5,400 to 6,000 people. What was the percent of the increase?

Answers

increase = 6000 - 5400 = 600

percentage increase = 600/5400 x 100 = 11.11%

Answer: 11.11%

Other Questions

what is the goal of restoration ecology Which forces tend to slow down an object How does Wiglaf show his own honor 99 POINTS AND BRAINLIEST FOR BEST ANSWER.Write a letter of complaint. Follow the rules for a formal letter, and use the full-block style. The complaint may be about anything you wish (such as malfunctioning equipment, poor building maintenance, or disruptive noises from a nearby business).You can base your letter on a true experience, or you can make up all the details you need.AND IT HAS TO BE PLAGARISM FREE!!!! Tara is a huge fan of comedian and actor will ferrell. she follows him on twitter and facebook, watches all his movies, and has even written him letters. tara has a/an ________ relationship with him. Read the passage from "The Pasture" By Robert Frost.I'm going out to fetch the little calfThat's standing by the mother. It is so young, it totters when she licks it with her tongue. I shan't be gone long.- You come too.Which type of voice do you see used in the passage?A. DramaticB.Academic C.FormalD.Conversational Which group of living things can move energy from consumers at the top of an energy pyramid back to producers at the bottom? *A. decomposersB. producersC. consumersD. Nothing can move energy back to the bottom of an energy pyramid. Which sentence uses the past progressive tense of read?A.We were reading our novels on the airplane.B.We read our novels on the airplane.C.We will read our novels on the airplane.D.We are reading our novels on the airplane. Line m has a slope of -1 over 5. What is the slope of a line that is perpendicular to line m? what is the radius of a circle with a circumference 31 m? Which difficult position might historians find themselves in? Tony is making small bags of bird seed from a larger bag of bird seed that wieghs 11.6 pounds if he puts the same amount in each of 6 bags how much will each bag wiegh? can someone please help me use a word for y and o? Which measurement would Rachel need to know when ordering wallpaper for the kitchen? A.the total perimeter of wall space to be covered B.the total area of wall space to be covered C.the thickness of the wallpaper D.the perimeter of the wallpaper read the information in the brainstorming table.Which piece of information best completes the table?Finally, I looked on the Internet for a banana bread recipe. Then I asked my dad if he could drive me to the grocery store.Finally, I baked the banana bread according to the directions.My teacher asked if I would make banana bread for the bake sale. The term "unification" refers to the merging of two states into one, but not to the creation of regional political or economic blocs. True or False?Its false but this is for people who need this question answered Which New Deal agencies still exist today? A.TVA and FDIC B.AAA and WPA C.CCC and WPA D.PWA and CCC What is the volume of the cylinder below? Radius of 8 height of 3 What is the percent of MgSO4 in magnesium sulfate heptahydrate? 48.83 % 51.17 % 95.43 % 86.98 % In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. It measured 40 cm tall and 90 cm wide. Find an equation of the parabola with its vertex at the origin.