Question

The travel path of a ferry heading from a mainland harbor toward an island jetty is graphed on a coordinate grid. The graph is a straight line with a slope of –. If the mainland harbor is located at point (4, −1), which graph represents the travel path of the ferry?

Image link: https://www.connexus.com/content/media/369615-772011-21616-PM-1624027737.png


I think its B, is that right?

Answer 1

A glass cylinder is completely filled with 24x5y8 cubic inches of salt solution. The jug has a base area of 4x5 square inches. The height of the jug, in inches, is represented by the expression (24x5y8)/(4a5) .

Which of the following simplified expressions represents the height of the jug in inches?

6y3
6y8<<<My Answer
6xy8
6x10y8


52. A greenhouse that specializes in growing geraniums is divided into sections. The number of geranium pots in each section depends on the number of sprinklers in that section.

There are x(7x − 2) pots of red geraniums and (x + 3)2 pots of pink geraniums in a section with x sprinklers.

Which simplified expression represents the total number of red and pink geranium pots in a section with x sprinklers?

8x2 + 4x + 9<<< My Answer
8x2 + 6x + 9
8x2 + 6x + 7
8x4 + 4x2 + 9

Answer 2

The length of each side of a square wooden box, in inches, is represented by the expression 5z4. The volume of the box, in cubic inches, is (5z4)3.

Which simplified expression represents the volume of the box?

125z64
125z12<<<My Answer
125z7
15z12


54. A library building is in the shape of a rectangle. Its floor has a length of (3x + 5) meters and a width of (5x − 1) meters. The expression below represents the area of the floor of the building in square meters.

(3x + 5)(5x − 1)

Which of the following simplified expressions represents the area of the floor of the library building in square meters?

28x − 5
15x2 − 5
15x2 + 28x − 5
15x2 + 22x − 5<<< My Answer


55. A film set designer is using white and colored tiles in a pattern to create paths of different lengths. If x is the length of the path in feet, the number of colored tiles needed to make it is calculated using the rule

(4x2y3)(3x2y2)

where y represents the number of white tiles.

Which simplified expression represents the number of colored tiles used for a path of length x feet?

7x4y5
7x4y6
12x4y5<<<My Answer
12x4y6

Answer 3

In a kitchen there are four containers that can hold different quantities of water, as shown in the figure below.

image link: https://www.connexus.com/content/media/369615-772011-24826-PM-1933736050.png

3x<<<My Answer
x + 3
3x + 1
x2 + x − 1

Answer 4

can someone please check my answer? I just want to be sure they are correct?

Answer 5

sorry if there's too many questions and if its too overwhelming for you...

Answer 6

@Renee99 no worries, we'll work one by one. One suggestion if you use one question per post, you'll get more help.
Ok tell me what's the slope given in the first one?

Answer 7

ohhh sorry, the slope is -5/3

Answer 8

How do you know when slope is positive or negative?

Answer 9

slope = rise/run

When a line has a positive slope it goes up left and to the right.

When a line has a negative slope it goes down left and to the right.

Answer 10

I believe B is the only one with a slope of -5/3

Answer 11

@Renee99 the definition you gave is correct but do you really understand it???

Answer 12

yes, im pretty sure I do... why? is my answer wrong?

Answer 13

ohhh wait it would be C, it goes down 5 spaces and then to the left 3 spaces, is that right?

Answer 14

wait, does D cross through 5,-3 or -4? I cant tell

Answer 15

@Renee99 I'm really sorry, I though the top right is B, you're right B is correct. I'm sorry:(:(

Answer 16

*thought

Answer 17

no. no worries at all! yay I got it right! :)

Answer 18

okay, moving to the next one

Answer 19

I'll check others. will let you know if I catch any mistake:(

Answer 20

okay, thanks, I have some more, do you want me to post them here as well?

Answer 21

here's a link to one of them:

http://answers.yahoo.com/question/index;_ylt=Aux5mqXWRIETLAf_6TLDiTDsy6IX;_ylv=3?qid=20120504123943AAA226S

Answer 22

The set W represents multiples of 4 to 40.
W = {4, 8, 12, 16, 20, 24, 28, 32, 36, 40}

The set C represents multiples of 6 to 48.
C = {6, 12, 18, 24, 30, 36, 42, 48}

How many elements are in the set W n C?

My Answer: (12,24,36)



The zip code of a location consists of five digits chosen from the set D shown below.
D = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

The set M represents the digits in one of the zip codes for Miami.
M = {3, 3, 1, 9, 0}

The set C represents the digits in one of the zip codes for Cooper City.
C = {3, 3, 3, 3, 0}

How many prime numbers are in the set ~(M U C)?

I cant remember what the little squiggle line means but my guess for this question is this: (3 and 9)

Answer 23

A wooden garden tray with a base area of xy square inches is filled with soil up to a certain height. The tray contains (2xy + xy2 + x2y2) cubic inches of soil. The height of the tray is represented by the expression

(2xy+xy2+x2y2)/(xy)

Which expression below is the correct simplified form of the height of the tray?

2x3y4
2x3y3
2 + xy2 + xy
2 + y + xy


This one im not sure on...

Answer 24

A news agent conducted a survey among travel magazine subscribers of a town and found that there was circulation of only three travel magazines. He made the Venn diagram below to show the number of subscribers to each of the three magazines: Leisure, Outbound, and Vacations.

image link: https://www.connexus.com/content/media/369615-772011-32443-PM-1657781887.png

How many subscribers belong to the set V U (~O ∩ L)?

749
821
870
954

now, I know how to do this, I just forgot what V U (~O ∩ L) means, can you explain?

Answer 25

here are x(7x − 2) pots of red geraniums and (x + 3)2 pots of pink geraniums in a section with x sprinklers.
\[x(7x-2)+(x+3)2=7x^2-2x+2x+6=7x^2+6 \]
How did every option has 8x^2?
Did you post the correct question?

Answer 26

sorry if its too much,

Answer 27

@Renee99 I'll be glad to help you but you should post one question per post. That'd make you get help quickly

Answer 28

yeah, i know, i have that bad habit lol

Answer 29

but hold on for the question let me look, I cant find it lol

Answer 30

OK, close this one and post a new question. I'll help you there

Answer 31

okay ill post them one at a time lol