Which relation is a function?

{0, –9, –2, –3}
{(0, –9), (–9, –2), (0, –3)}
{(0, –9), (–2, –3), (–2, 0), (–3, –2)}
{(0, –9), (–9, 0), (–3, –3)}

Answers

Answer 1
Last on - I think
{0,-9), (-9,0), (-3,-3)}
Answer 2
The last option is a function as no x-values repeat!

Related Questions

Mr.Kovich is preparing material for a project, He needs to cut 2 meters of string into 0.2 meters long. How many 0.2 meter pieces can be cut from 2 meters of string?

Answers

Answer:

he can use 10 meters of string

Step-by-step explanation:

The answer would be ten


The explanation: 2x5 is 10 and 10 in decimals is also equal to 1.0 (one whole) so if you do 1.0+1.0=2.0 meters hope this helps you!!

Can someone help me answer these 5 questions? the directions on what you do are in the questions. I will give brainliest as thanks for your help!

Answers

Answer: Is it to late for me to answer it .

Step-by-step explanation: but divide my the numbers and multiply the exponits

Step-by-step explanation:

What are the 4 letters

Answers

Answer:

BGHA

Step-by-step explanation:

You have to find all of the coordinates first in the order they are written:

(0,4)

(-4,3)

(2,0)

(0,-1)

Now use the code at the right to find the letters for each coordinate:

(0,4) B

(-4,3) G

(2,0) H

(0,-1) A

Now write it in this order (all caps): BGHA.

Hope it helps and is correct!

Answer:

1, 2, 3, 4

Step-by-step explanation:

please hurry!!!
Evan measured a line to be 8.2 inches long. If the actual length of the line is 8 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

Answers

Answer:

Pretty sure it's 2.5%

Step-by-step explanation:

It would be the answer you see

Write a fraction problem for this number line and indicate the solution. Explain how you know. You can write out the fraction names or use the forward slash (/) on your keyboard to represent the fraction bars.

Answers

Answer:

Problem Example: Aladdin has 1/6 apples. A genie multiplied it by 4. How many apples would Aladdin have?

Solution: 4/6 apples.

Step-by-step explanation:

Explanation:

Aladdin has 4/6 apples because 1/6 multiplied by 4 is the same thing as adding 1/6 by 1/6 by 1/6 by 1/6.

1/6 + 1/6 + 1/6 + 1/6 = 4/6.

Hope this helps! :)

What number should be subtracted from both sides of the following equation to solve for x?
x + 27 = 30

Answers

Answer:

x= 3

Step-by-step explanation:

Answer:

27

Step-by-step explanation:

to solve for x it would look like this

x + 27 = 30

x = 30 - 27

x = 3

Your friend shows you a coin collection. In​ it, 45/50 of the coins are quarters. What percent of the coins are​ quarters?

Answers

Answer:

%90

Step-by-step explanation:

Since a percentage is out of 100 just multiply 50 times 2 and do the same to the top which would be 90

90%
all you have to do is divide the top number by the bottom! ❤️ 45 / 50 = 0.9. 0.9= 90%

I'm so confused, I don't know.

Answers

Answer:

the one u clicked was the answer

Justify each step used to simplify the expression. 1. 3x+ 2y− 2x+ 2 = 3x− 2x+ 2y+ 2

Answers

Answer:

.

Step-by-step explanation:

well let’s think about it this way. we can take the like numbers and add or subtract them right? so let’s think of all the like numbers.

3x, -2x, and 2x are like numbers

2y, and 2y are like numbers

2 and 2 are like numbers.

now that we have all of the like numbers down, lets start with the first set of numbers before the = sign.

3x+ 2y- 2x+ 2

well since we have 2 like numbers in there, let’s add those, so we have 3x + 2x, which that would give us 5x. since we have nothing else in that, out expression for that one would be 5x + 2y + 2. next one we have:

3x - 2x+ 2y+ 2

we have like factors in this one too. since we have a subtraction sign in between them, we have to take 3x - 2x which gives us 1x or x. which that expression would be (x + 2y + 2). if you have to add the expressions together the whole thing would be (6x + 4y + 4).

if the (-) is supposed to be a negative, then the problems would be, x + 2y+ 2; x + 2y + 2. which the ending would be 2x + 4y + 4. hope this helps. if i’m wrong someon correct me.

Please help me with the question on the bottom one please

Answers

13!!!
Because 21+3=24
So you will need to subtract 24-11

Answer:

13 = y

Step-by-step explanation:

21 + 3 = y + 11

(21+3=24)

24 = y + 11

-11          -11

13 = y

Can someone plz help me!!!

Answers

Answer:

74

Step-by-step explanation:

first subtract the 78 to 82

then you will get 4 then subtract 78 by 4

and u get 74


Yep he’s right, it’s 75

Plssss hurry !!!! The question is in the photo

Answers

Answer:

i can't even read what that is

Step-by-step explanation:

maybe 20 since 17*3 is

Hope Middle School hosts a pizza party for the end of the first marking period. There are 588 students in the school. Mario's Pizza sells extra-large pizzas that are cut into 12 slices each. How many pizzas does the school need to order so that each student receives 2 slices

Answers

Answer:

24.5 pizzas

Step-by-step explanation:

588/12

and then 49/2

AS ALWAYS, DUE TODAY! Pls and thanks. NOTE- Legit answers only! Legit answers= Brainliest, 5.0 stars, and a Thanks.

Answers

Answer:

x=105 and y=190

Step-by-step explanation:

4x+1y=610, and x+y=295 ; x= 105 and y=190

Answer:

x=105 and y=190

105 big bags of popcorn and 190 small bags of Popcorn

Step-by-step explanation:

4x+1y=610, and x+y=295 ; x= 105 and y=190

THIS IS THE LAST QUESTION PLEASE HELP!! TYSMMMMMMMM

Answers

Answer:

The answer I’m pretty sure is C

Step-by-step explanation:

U find the slope for each segment. For example, find the slope for BC. Find the points of B and C. B- (5,6) and C-(6,2). Using the formula of finding the slope, it’s gonna be 6-2/5-6, and as you can see, option A‘s BC is not the same as the one we have, therefore it cannot be Option A. Do the rest the  same way.

Brianna earned $28,000 last year. If the first $20,000 is taxed at 10% and income above that is taxed at 13%, how much does Brianna owe in tax?

Answers

Answer:

3,040$

Step-by-step explanation:

20k*.1=2,000

8k*.13=1,040

2,000+1,040=3,040

I am so sorry if I'm wrong.

20,000 x .10 = 2000
8,000 x .13 = 1040

Total = 3040

Can someone plz help me!

Answers

Answer: 11/20

Step-by-step explanation: it goes up 1/20th every time.

Answer:

hello

Step-by-step explanation:

i think

[tex] \frac{11}{20} [/tex]

hope it helps

have a nice day

bye

Can someone plz help meee again :/

Answers

Answer:

hi

Step-by-step explanation:

i think

[tex] \frac{16}{25} [/tex]

have a nice day

Answer:

[tex]\frac{16}{25}[/tex]

Step-by-step explanation:

We have four fractions and are asked to find the next one in the sequence.

So we see that 8/25 and 10/25 are together, which then follows up with 12/25 and 14/25.

Do we see a pattern? Yes indeed, the numerator is going up two values of every sequence, therefore we need to add 2/25 to 14/25 to find the next fraction.

[tex]\frac{14}{25} + \frac{2}{25}[/tex]

[tex]\frac{16}{25}[/tex]

Could somebody help me with Geometry? THANKS!!!!!!!!!!!!!!!!!!!!!
*spam answers will NOT be tolerated*

Answers

I'll do problem 1 to get you started.

The answer to problem 1 is 3400 miles

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

Explanation for problem 1:

We're asked to find the perimeter, which is the total distance around the exterior or outside. In other words, we need to add up the four side lengths of this quadrilateral.

We'll need the distance formula to find the lengths of the slanted sides AB and BC

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

Let's first find the length of segment AB

A = (x1,y1) = (0,0)

B = (x2,y2) = (400,300)

d = Length of AB

[tex]d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(0-400)^2 + (0-300)^2}\\\\d = \sqrt{(-400)^2 + (-300)^2}\\\\d = \sqrt{160000 + 90000}\\\\d = \sqrt{250000}\\\\d = 500\\\\[/tex]

The distance from A to B is 500 miles. This is the same as saying segment AB is 500 miles long.

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

Now find the length of segment BC

B = (x1,y1) = (400,300)

C = (x2,y2) = (-800,800)

d = length of BC

[tex]d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(400-(-800))^2 + (300-800)^2}\\\\d = \sqrt{(400+800)^2 + (300-800)^2}\\\\d = \sqrt{(1200)^2 + (-500)^2}\\\\d = \sqrt{1440000 + 250000}\\\\d = \sqrt{1690000}\\\\d = 1300\\\\[/tex]

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

The length of CD is fairly easy to find without needing the distance formula. This is because it is a vertical line. We subtract the y coordinates of C and D to get 800-0 = 800. So CD is 800 miles long.

Segment DA is a similar story. But we subtract the x coordinates. This only works for horizontal lines. DA is 800 miles long because |-800-0| = 800. Absolute value is used to make sure the distance is never negative.

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

To summarize everything so far, we found these four side lengths

AB = 500BC = 1300CD = 800DA = 800

The perimeter is going to be the sum of those four sides, leading to...

perimeter = sum of sides

perimeter = AB+BC+CD+DA

perimeter = 500+1300+800+800

perimeter = 3400 miles

This is the total distance traveled if you started at city A, went to B, then to C, then to D, and then finally went back to A.

Answer:

The total distance is 3400 miles

Step-by-step explanation:

Given the following points:

​A(0,0)

B(400,300)

C(−800,800)

D(−800,0)

we can find the distance between each of them using the following equation:

d(X,Y)=

√(x2

−x1

)2

+(y2

−y1

)

2

in this case, we only need to find the distance from A to B and from B to C:

​d(A,B)=

√(400−0)2

+(300−0)2

=

√160000+90000

=

√250000

=500

d(B,C)=

√(−800−400)2

+(800−300)2

=

√1440000+250000

=

√1690000

=1300

next, notice that the distance from C to D and from D to A are on lines parallel to the x-axis and the y-axis, then, we can see that the distances are the follwing:

​d(C,D)=800

d(D,A)=800

then, the total distance traveled will be the perimeter of the polygon, Thus, adding the distances we have:

​P=d(A,B)+d(B,C)+d(C,D)+d(D,A)=500+1300+800+800

=3400

⇒P=3400miles

HELP PLZ PLZ I have BEEN WAITING FOR 3HR AND THIS IS ME RE-POSTING HELP PLZ PLZ PLZ

Answers

What is the red one have inside of it?

Answer:

-2 + -2 = x

Step-by-step explanation:

Write a percent between 25% and 50% then write it as a decimal and as a fraction in show your work explain your answer I need help!!!!!!

Answers

Answer:

30percent or 30%

Step-by-step explanation:

30% is 30/100

when simplified becomes 3/10 and 3tenths is also 30percent because it is 30percent of 100. Hope this helps

In a race, 41 out of the 50 bicyclists finished in less than 38 minutes. What percent of bicyclists finished the race in less than 38 minutes? Write an equivalent fraction to find the percent. ​

Answers

for left put 2 on each
On the box over 100 put 82, and put 82 in the box on the right
to find the percent, you will double everything because you only have 50 as the base and doubled its 100. 41 times 2 it’s equal to 82 so 82% of the bicyclists finished in less than 38 minutes. As a fraction it would be 41 over 50.

Explain how these numbers a like terms, and what a like term is

20 x 0.8 x

Answers

Answer:

the numbers are like terms because they both do not have variables nor exponents.

LIke terms are numbers or vairables with the same variables or powers.

Step-by-step explanation:

Here are some examples of like terms

23x and 15x

both of these are like terms because they both have the same vairable of x.

[tex]15^{4}[/tex] and [tex]20^{4}[/tex]

These are both like terms because the powers are both 4.

[tex]x^{2}[/tex] and [tex]x^{2}[/tex]

These are both like terms because the variables both have the same powers which are both 2.

Feel free to ask quesitons - Mark

the numbers are like terms because they both don’t have variables/exponents.

which region has the safest drinking water?

Answers

Answer:

if it depends on how much access you have to clean water, I'd say a since both the median and all qaurtile seem to be higher.

Step-by-step explanation:

Answer: A

Step-by-step explanation:

Ginger spins the spinner below and rolls the number cube. What is the probability that Ginger's spinner will land on 3 and she will roll a 4?

Answers

I’m not sure if I’m doing this right but I think 1/42

Because there is 7 numbers on the spinner and 6 on the cube so 7 times 6 is 42
Count how many sides there are on the spinner and then make a fraction to answer it. Also a cube doesn’t have just 3 sides.

What are the variables in 3r + 2u + 7 + 5 + 4u + r

Answers

The variable terms are
3r, 2u, 4u, 1r,

Paddy has a circular fishpond in the middle of his square backyard. The fishpond has a circular stone border. The radius of the fishpond is one foot less than the radius from the center of the pond to the outer edge of the stone border. The width of Paddy's yard is 6 feet more than the diameter of the fishpond and border. Let x be the radius in feet of the fishpond. Write an expression for the area of the yard that is not taken up by the fishpond and border.

A. (4−π)x^2+(24+2π)x+(36−π)
B. (4x^2+32x+64)−π(x^2+2x+1)
C. 4x^2−πx^2+32x−2πx+64−π
D. both B and C

Answers

C or D not sure I’m chose D

AYO somebody help me im giving 12 points!! for this plz help
Use long Divistion to find the VALUE of 1,875 divided by 15 PLZZ if u can thanks so much its due today to 0.0 so HURRY

Answers

Answer:

125

Step-by-step explanation:

i looked it up

125 is the answer




1875 divided by 15 is 125 or you to prove that my answer is right do 125x15

Complete this ratio table! (Look at your notes if you need a hint!)
People Limbs
2 8
4 ??
?? 32
8 ??

Answers

Answer:

Step-by-step explanation:

Since (most) people have 4 limbs you simply multiply the values on the left by 4. For the values on the right divided by 4:

2   8

4   16

8   32

8   32

The first one is 8 the second is 8 and the last one is 32

Which expression is represented by the set of algebra tiles below?

1 box contains x and 6 boxes contain minus signs.
x + 6
x minus 6
6 minus x
6 x minus 1

Answers

Answer:

the correct answer is b

Step-by-step explanation: because in the image

                                               X --- ---

so that is X - 6

                                                 

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