1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vampirchik [111]
2 years ago
8

Please help! I need help on my math grade problem. Please explain if you could

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
7 0
Answer: 3! Hope this helps!
Rus_ich [418]2 years ago
4 0

Answer:

Answer = 3

Step-by-step explanation:

Constant of proportionality = slope

Slope=\frac{y^{2}-y^{1}  }{x^{2}-x^{1}  } =\frac{12-9}{4-3}=\frac{3}{1}=3

You might be interested in
The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. Approximately how many spheres the size of
antoniya [11.8K]
The volume of a sphere is (4/3) (pi) (radius cubed).

The volume of one sphere divided by the volume of another one is

 (4/3) (pi) (radius-A)³ / (4/3) (pi) (radius-B)³

Divide top and bottom by (4/3) (pi) and you have     (radius-A)³ / (radius-B)³
and that's exactly the same as
                                                         ( radius-A / radius-B )  cubed.

I went through all of that to show you that the ratio of the volumes of two spheres
is the cube of the ratio of their radii.

Earth radius = 6,371 km
Pluto radius = 1,161 km

Ratio of their radii = (6,371 km) / (1,161 km)

Ratio of their volumes =  ( 6,371 / 1,161 ) cubed = about <u>165.2</u>

Note: 
I don't like the language of the question where it asks "How many spheres...".
This seems to be asking how many solid cue balls the size of Pluto could be
packed into a shell the size of the Earth, and that's not a simple solution.
The solution I have here is simply the ratio of volumes ... how many Plutos
can fit into a hollow Earth if the Plutos are melted and poured into the shell.
That's a different question, and a lot easier than dealing with solid cue balls.
4 0
3 years ago
Read 2 more answers
Simplify –2x3y × xy 2.
user100 [1]

-2x^3y\cdot xy^2=-2x^{3+1}y^{1+2}=-2x^4y^3

Used:

a^n\cdot a^m=a^{n+m}

Answer: C. –2x^4y^3

8 0
3 years ago
Anna paid $4 for renting a video game for 4 days. Which graph shows the relationship between the costs of renting a video game f
Andreas93 [3]
She paid $ 4 for renting a video game for 4 days...that means she paid $ 1 per day. 

A horizontal axis is labeled days, a vertical axis is labeled cost of rental.
(x,y)...x is gonna be ur days and y is gonna be ur cost of rental

ur equation is gonna be y = x

points are plotted (1,1) , (2,2), (3,3)

 ^^ this is the graph u use ...graph B
3 0
3 years ago
1.
ASHA 777 [7]

Answer:

Step-by-step explanation:

Vertex A of the triangle ABC when rotated by 90° counterclockwise about the origin,

Rule to be followed,

A(x, y) → P(-y, x)

Therefore, A(1, 1) → P(-1, 1)

Similarly, B(3, 2) → Q(-2, 3)

C(2, 5) → R(-5, 2)

Triangle given in second quadrant will be the triangle PQR.

If the point P of triangle PQR is reflected across a line y = x,

Rule to be followed,

P(x, y) → X(y, x)

P(-1, 1) → X(1, -1)

Similarly, Q(-2, 3) → Y(3, -2)

R(-5, 2) → Z(2, -5)

Therefore, triangle given in fourth quadrant is triangle XYZ.

6 0
3 years ago
Whos bored rn? i am!!!
JulijaS [17]
I am very bored in class
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the answer??
    7·1 answer
  • What is the equation of a line that passes through (7, 8) and has a slope of -3?
    15·1 answer
  • Write y = 4/5x 8 in standard form using integers
    6·1 answer
  • Delany can run 1 1/2 of a mile at a rate 16 minutes and 30 seconds. At this rate how many minutes will it take him to run one mi
    11·1 answer
  • Thomas had 12 juice boxes he gave some to his sisters he now has more rhan 5 left.Which inequality can be used to find j the num
    14·1 answer
  • Which of the following are possible values for x?
    8·1 answer
  • Oops, I never meant to post anything..
    9·2 answers
  • Simplify like terms.<br> 2d – 3f – 6d+5f
    10·2 answers
  • Car rideshare services are a popular option for people needing to move about in large cities. The scatterplot shows the distance
    12·1 answer
  • What 3/4 x 5/8 in fraction
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!