What is the domain of this relation?

Answer:

4

Step-by-step explanation:

20 divided by 5 = 4

Answer:

20 days

Step-by-step explanation:

Since 20 is a multiple of 5 then the least common multiple of 5 and 20 is 20

therefore they will meet after 20 days

Answer:

The slope of the two points is 2.

Answer:

2 is teh answer

Step-by-step explanation:

Answer:

54/5

Step-by-step explanation:

(3/5)(18)=54/5

Answer:

that would be an exponential function

Step-by-step explanation:

Answer:

(-3, -4).

Step-by-step explanation:

-4x + y = 8

x - 5y = 17           Multiply this by 4:

4x - 20y = 68     Add this to the first equation:

-19y = 76

y = 76/-19

y = -4.

Plug this into the second equation:

x - 5(-4) = 17

x = 17 - 20

x = -3.

CHECK this result in equation 1:

-4(-3) + -4 =  8

12 - 4 = 8

8 = 8  <------ OK.

The solution of the given system of equations is [tex]y=-4[/tex].

Important information:

Multiply both sides by 5 in equation (i).

[tex]-20x+5y=40[/tex]         ...(iii)

Add equation (ii) and (iii).

[tex]-19x=57[/tex]

[tex]x=\dfrac{57}{-19}[/tex]

[tex]x=-3[/tex]

Substitute [tex]x=-3[/tex] in (i).

[tex]-4(-3)+y=8[/tex]

[tex]12+y=8[/tex]

[tex]y=8-12[/tex]

[tex]y=-4[/tex]

Thus, the solution of the given system of equations is [tex]y=-4[/tex].

Find out more about 'System of equations' here:

https://brainly.com/question/13722693

Answer:

  ∠3 = 114°

Step-by-step explanation:

Angle 3 is a corresponding angle to angle 7, since they are both in the southwest corner of the intersection of the transversal and the parallel lines. Corresponding angles have the same measure, so ...

 ∠3 = ∠7 = 114°

Answer:

144 pages

Step-by-step explanation:

Johan has read [tex]\frac{1}{4}[/tex] of the book that is 36 pages.

To find the total number of pages in the book, note that

[tex]\dfrac{1}{4}\ - \ 36\ \text{pages}\\ \\1\ - \ x\ \text{pages}[/tex]

Then

[tex]\dfrac{\frac{1}{4}}{1}=\dfrac{36}{x}\\ \\\dfrac{1}{4}x=36\\ \\x=4\cdot 36\\ \\x=144\ \text{pages}[/tex]

Answer:

the answer is C on edgen.

Step-by-step explanation:

Answer:280 square feet per hour.

Step-by-step explanation:

Answer:

$36

Step-by-step explanation:

The original value is $37.50 so that is 100%.

A decrease of 4% from original value means that you are finding 96% of the value, since 100% -4%= 96%

So the new value is 37.50/100 ×96= $36

This is because:

100% ----- $37.50

1% --------- $0.375

96% ------- $36

or taking 96% of original value would be

96/100 × $37.50= $36

Which would give you the same answer

Answer: The one who ran at the greater Average Speed in 1 hour ran the greater Distance.

Step-by-step explanation:

Speed (S) is the ratio of the distance (D) covered to the time (t) taken.

That is, S = D/t

Suppose Andrew ran a distance D1 in 1 hour (3600 seconds) at a Speed, say S1, we have

S1 = D1/t

We can then say he ran a distance

D1 = t × S1

= 3600S1

Similarly, let's say Karleigh ran a distance

D2 = t × S2

= 3600S2

Let us compare these two, you will notice that the bigger number between S1 and S2 is going to determine the bigger number between D1 and D2.

Let's choose random numbers for S1 and S2 for clarity, say S1 = 5, S2 = 10

D1 = 3600 × 5

= 18000

D2 = 3600 × 10

= 36000

This makes D2 bigger than D1.

I hope this is clear.

Answer:

Karleigh ran a greater distance. The slope of the line described by the data in her table increased at a rate of 1/10 mile per minute compared to Andrew’s 1/12 mile per minute.

Step-by-step explanation:

Dimensions are length 20 meter and width 14 meter

Solution:

Let "a" be the length of rectangle

Let "b" be the width of rectangle

Given that,

A rectangle has width that is 6 meters less than the length

Width = length - 6

b = a - 6

The area of the rectangle is 280 square meters

The area of the rectangle is given by formula:

[tex]Area = length \times width[/tex]

Substituting the values we get,

[tex]Area = a \times (a-6)\\\\280 = a^2-6a\\\\a^2-6a -280=0[/tex]

Solve the above equation by quadratic formula

[tex]\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\\\\quad x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]

[tex]\mathrm{For\:}\quad a=1,\:b=-6,\:c=-280:\quad a_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:1\left(-280\right)}}{2\cdot \:1}[/tex]

[tex]a =\frac{6 \pm \sqrt{36+1120}}{2}\\\\a = \frac{6 \pm \sqrt{1156}}{2}\\\\a = \frac{6 \pm 34}{2}\\\\Thus\ we\ have\ two\ solutions\\\\a = \frac{6+34}{2} \text{ or } a = \frac{6-34}{2}\\\\a = 20 \text{ or } a = -14[/tex]

Since, length cannot be negative, ignore a = -14

Thus solution of length is a = 20

Therefore,

width = length - 6

width = 20 - 6 = 14

Thus dimensions are length 20 meter and width 14 meter

Answer:

x=-2, y=3. (-2, 3).

Step-by-step explanation:

y=-x+1

y=3

----------

-x+1=3

-x=3-1

-x=2

x=-2

y=-(-2)+1

y=2+1=3

Answer:

0.9375

Step-by-step explanation:

Answer:

I believe the answer to this question is: 0.94375.

Step-by-step explanation:

x-1=2 therefore x is 3 so 2x squared is 36

Answer:

1.22474487139

Step-by-step explanation:

x = 3

so if 2x^2 - 1 = 2

add 1 to both equations

2x^2 = 3

next, divide 2 from both sides

x^2 = 3/2

x^2 = 1.5

now find the square root of 1.5

the answer is:

1.22474487139

Answer:the correct answer is b

Step-by-step explanation:

Answer:

Step-by-step explanation:

2x3/5+1/5

Going by BoDMAS

Multiplication comes before addition

2x3/5+1/5 = 6/5 + 1/5 = (6+1)/5

= 7/5 = 1 2/5

Final answer:

The expression 2x3/5+1/5 is solved by first multiplying 2 by 3/5 to get 6/5 or 1.2, and then adding this to 1/5 to get the final answer of 7/5 or 1.4.

Explanation:

To solve the expression 2x3/5+1/5, you first need to perform the multiplication before the addition, according to the order of operations (PEMDAS/BODMAS). So, you need to multiply 2 by 3/5:

2 x 3/5 = 6/5 or 1.2

Now add this result to 1/5:

6/5 + 1/5 = 7/5 or 1.4

Therefore, the answer is 7/5 or 1.4.

Answer:

Step-by-step explanation:

1/2 (n^3 - 1)

the difference means subtract

Step-by-step explanation:

1/2 (n^3 - 1)

Answer:

D

Step-by-step explanation:

95/100 is equal valent to 95℅.

Good morning,

Answer:

f(g(4)) = 9

Step-by-step explanation:

f(x)= x-7

g(x)=x²

fog(x) = f(g(x)) = x² - 7

then

f(g(4)) = 4² - 7 = 16 - 7 = 9

:)

Answer: 12cups of sugar

Step-by-step explanation:

2cups of sugar = 1/2cup of memo

Xcups of sugar =3cups of lemon

X = 6÷ 1/2

= 12

Answer:

12 cups sugar

Step-by-step explanation:

there are a couple ways to do this...by unit rate or a proportion...

2 cups of sugar for every 1/2 cup of lemon juice

2 / (1/2) = 2 * 2 = 4.....the unit rate is 4/1....or 4 cups of sugar for every 1 cup of lemon.

so if u have 3 cups of lemon, and 1 cup of lemon = 4 cups of sugar, then 3 cups of lemon would equal (4 * 3) = 12 cups of sugar

or set it up as a proportion...

2 cups sugar to 1/2 cup lemon = x cups sugar to 3 cups lemon

2 / (1/2) = x / 3....cross multiply

(1/2)(x) = (3)(2)

1/2x = 6

x = 6 * 2

x = 12 cups sugar

either way u choose to do it will result in the same answer.

Answer:

Leah can make more than $160 in a month if he works 7 hours for $35 and 10 hours for $80 daily or weekly.

Step-by-step explanation:

Answer:

Not a polyhedron and it's a sphere

Step-by-step explanation:

It's not a polyhedron because a polyhedron has to have faces more than 6

It used 560 kilograms of sugar last month

Step-by-step explanation:

The given is:

We need to find how much it used last month

Assume that the coffee shop used x kg sugar the last month

∵ The coffee shop used x kilogram of sugar last month

∵ It used 30% more sugar this month than last month

- Find the value of 30% of x and add it to x to find how many

   kilograms it used for this month

∵ 30% of x = [tex]\frac{30}{100}[/tex] × x = 0.3 x

∴ It used this month = x + 0.3 x

∴ It used this month = 1.3 x kg

∴ The coffee shop used 1.3 x kilograms of sugar this month

∵ The coffee shop used 728 kilograms of the sugar this month

- Equate 1.3 x by 728 to find x

∴ 1.3 x = 728

- Divide both sides by 1.3

∴ x = 560

It used 560 kilograms of sugar last month

Learn more:

You can learn more about the word problems in brainly.com/question/10557938

#LearnwithBrainly

The function y = 4 * (0.8)^t is an exponential decay function, representing the decrease of a quantity over time, with y being the value at time t. To find y at any given t, substitute t into the equation and calculate the result.

The given function y = 4 * (0.8)^t is an exponential decay function, where y represents the value of the function at time t, the number 4 is the initial value of the function when t = 0, and 0.8 is the decay factor relevant for each time unit. This type of function is often used in contexts such as radioactive decay, depreciation of value over time, or population decrease in a closed environment, where some quantity decreases by a consistent percentage over equal time intervals.

To solve for y at a given time t, simply substitute the value of t into the function and evaluate the exponential expression. It is important to use a calculator or software tool to evaluate the exponential term accurately when t is not a round number.

Answer: the answer is b

Step-by-step explanation: you said you needed none.

Answer:

insted of choosing a it should have been b the < symbol is the aligator thing you learn in like 1st grade

Answer:

they are all less than 100

Step-by-step explanation:

I have no answer to choose...

[tex]\dfrac{12}{27}=\dfrac{12:3}{27:3}=\dfrac{4}{9}\\\\\dfrac{12}{27}=\dfrac{12\cdot2}{27\cdot2}=\dfrac{24}{54}\\\\\dfrac{12}{27}=\dfrac{4}{9}=\dfrac{4\cdot2}{9\cdot2}=\dfrac{8}{18}\\\vdots[/tex]

You can multiply (divide) the numerator and the denominator by the same number different from 0 then the value of the fraction will not change

(you will get a fraction equal to given)

The right answer is Option D.

Step-by-step explanation:

Given,

Radius of basketball hoop = 9 inches

As the basketball hoop is in circular shape.

Circumference of basketball hoop = 2πr

We will put given radius = 9

Circumference of basketball hoop = 2*π*9

Circumference of basketball hoop = 2 . 9 . π

Therefore,

Circumference of basketball hoop is 2*9*π.

The right answer is Option D.

Keywords: circle, circumference

Learn more about circumference at:

#LearnwithBrainly

Answer:

2*9*π

Step-by-step explanation: