1. Which of the following relations is a function?
O {(1,2)(2,3)(3,5)(2,6)}
O {(4,5)(5,1)(9,5)(2,6)}
O {(4,6)(5,1)(5,9)(7,5)}
O {(4,6)(5,1)(4,3)(7,5)}

Answer:

The length RS = 7

Step-by-step explanation:

Here, we are interested in determining the length of RS

Let’s have the line segment arranged as follows;

Q R S

where QR = 9 and QS = 16

From the arrangement, we can deduce that;

QS = QR + RS

Thus;

RS = QS - QR

RS = 16 -9

RS = 7

Answer:

1- it is irrational

2- it is rational

Answer:

[tex]x=\frac{30}{(1+x)}[/tex]

Step-by-step explanation:

step one:

This is a word problem, we need to translate is it to mathematical terms before we solve

"When x is added to its square, the total is 30"

step two:

[tex]x+x^2=30[/tex]

[tex]x+x^2=30\\\\x(1+x)=30\\\\[/tex]

step three:

divide both sides by 1+x we have the value of x as

[tex]x=\frac{30}{(1+x)}[/tex]

Answer:

399

Step-by-step explanation:

396 is divisible by 3, but not 7.

399 is divisible by 3, and 7.

402 is divisible by 3, but not 7.

405 is divisible by 3, but not 7.

Answer:

The answer is

Step-by-step explanation:

v = πr²h

To solve for h divide both sides by πr²

That's

We have the final answer as

Hope this helps you

Answer: h=0hr/2−3.141593r2+v

Step-by-step explanation:Hope this help

Answer:

10.7

Step-by-step explanation:

300 - 289.3 = 10.7 calories.

Answer:10.70

Step by step explanation

300-289.3=10.70

10 and 9 over 20 is the correct solution

Answer:

H can't be a function.

Step-by-step explanation:

If x has more than one y then it doesn't pass the vertical line test and is not a function.

Answer: k = $0.50

Step-by-step explanation:

The data that we have is:

Rocko paid: $12.50 for 25 tickets.

Louisa paid: $17.50 for 35 tickets.

Now, the question asks to find the constant of proportionality.

A proportional relation can be written as:

y = k*x

where k is the constant, and in this case, y is the price and x the number of tickets bought.

Then replacing with the values above, we have:

$12.50 = k*25

then:

k = $12.50/25 = $0.50

And the other data:

$17.50 = k*35

K = $17.50/35 = $0.50

So we have the same k in both cases, this means that the constant of proportionality is k = $0.50

Answer:

P = 4n

Step-by-step explanation:

P = n + n + n + n

If you combine all the like terms you end up with:

P = 4n

The equation to find the perimeter of a square can also be expressed as 4n, where n is the side.

A square is a two dimensional figure which has four vertices, four sides and four angles.

Perimeter of a geometrical figure is the sum of the lengths of the boundary of shape.

Given that n is the length of one side of a square.

Perimeter is the sum of the side lengths.

Since a square has four sides,

Perimeter = 4 times the length of side

                 = 4n

Hence the perimeter of a square can also be expressed as 4n.

Learn more about Square here :

https://brainly.com/question/28776767

#SPJ2

Answer:

Step-by-step explanation:

-7 -x - 3 = 12

-x - 10 = 12

-x = 22

x = -22

Answer:

Write the mixed number as a decimal. 83/5

16.6

Hey there!

[tex]Answer:\boxed{2x-28}[/tex]

[tex]Explanation:[/tex]

[tex]2x-30+2[/tex]

Let's start off by simplifying.

[tex]2x+-30+2[/tex]

Now let's combine like terms.

[tex]2x+-30+2\\(2x)+(-30+2)\\2x+-28\\2x-28[/tex]

[tex]\boxed{2x-28}\text{ is your answer.}[/tex]

Hope this helps!

[tex]\text{-TestedHyperr}[/tex]

Answer: like he dark line represents all the numbers that satisfy x≤2 . If we pick any number on the dark line and plug it in for x, the inequality will be true. The following graph represents the inequality x < 2 . Note that the open circle on 2 shows that 2 is not a solution to x < 2 .

Step-by-step explanation:

Answer:

leading co-efficent is 4

5 - ( x - 2 )

substitute -

5 - ( -1 -2 )

first solve the bracket

5 - ( - 1 - 2 )

therefore,

5 - ( - 3 )

solve

= 8

hope that helps !

Answer:

1/16 or 0.0625

Step-by-step explanation:

we can take 4 outside the parentheses and we would get 4^(4-7+1)=4^(-2)= 1/(4^2)=1/16=0.0625.

Answer:

0.0625

Step-by-step explanation:

[tex]4^{4}[/tex] ( [tex]4^{-7}[/tex] ) (4)

First lets deal with 4^4 which is 256 (4 * 4 * 4 * 4)

256 ( [tex]4^{-7}[/tex] ) (4 )

Then 4^-7 which is [tex]\frac{1}{16384}[/tex] ( this is because when 4^-7 is simplified it becomes 1/4^7 which is 1/16384.

256 ( [tex]\frac{1}{16384}[/tex]) (4)

256 * [tex]\frac{1}{16384}[/tex] * 4= 0.0625

HOPE THIS HELPED

Use the Circumference of a Circle Formula:

C = 2πr

or

C = (Diameter)*π    (since diameter = 2*radius)

In this case, the diameter is 44 miles

So the circumference is:

C = 44*π = 138.23 miles

Answer:

[tex] (6 {x}^{2} - 7x - 5) \: {units}^{2} [/tex]

Step-by-step explanation:

Area of rectangle = Product of sides

[tex] = (2x + 1) \times (3x - 5) \\ = 2x(3x - 5) + 1(3x - 5) \\ = 6 {x}^{2} - 10x + 3x - 5 \\ area \: of \: rectangle \: \\ = (6 {x}^{2} - 7x - 5) \: {units}^{2} [/tex]

Answer:

the answer is 20

Hope it helps

Answer:

i think this is it

Step-by-step explanation:

Answer:

1.8

Step-by-step explanation:

[tex]2x + 10 = 12x + - 8 \\ 10x = 18 \\ x = 1.8 \\ [/tex]

Answer:

1.8

Step-by-step explanation:

12x-8=2(x+5)

12x-8=2x+10

10x=18

x=1.8

Answer:

x = 4

Step-by-step explanation:

Cancel common factor of 9,

(x/5)=(4/5)

Multiply both sides by 5,

(5x/5)=(20/5)

Simplify to get x = 4

Answer:

132 ft per second

Step-by-step explanation:

180 miles in 2 hours

180 miles = 950400 ft.

2 hours = 7,200 secs.

950400 ft in 7,200 secs

Answer:

Step-by-step explanation:

Hey There!! ~ （。＾▽＾）

The answer to this is: [tex](- 2, - 7)[/tex]

Explanation: [tex]3x^{2} + 12x 5[/tex]

[tex]y = 3( x + 2)^{2} - 7[/tex]

  [tex]3( x + 2) ^{2} - 7[/tex]

[tex]a = 3[/tex]

[tex]h = 2 \ - 7[/tex]

[tex]k = - 7[/tex]

Hope It Helped!~

Good Luck With Your Assignment~

Answer:

Answer is 540 mph (miles per hour)

Step-by-step explanation:

by diving 8100 by 15, you get a quotient of 540

Answer:

2

Step-by-step explanation:

5-3=2

Answer:

Sara would have 2 apples left

Step-by-step explanation:

5-3=2

Answer:

wdym

Step-by-step explanation:

Answer:

23cm

Step-by-step explanation:

62-39=23cm