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yarga [219]
2 years ago
5

Pattern:

Mathematics
1 answer:
Radda [10]2 years ago
8 0

Answer:

Sue is correct

Step-by-step explanation:

because of the simple fact that the numbers are increasing and not decreasing so why would they do 8n-6

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the height of a tree was 8 feet. after a year, tree's height increased by 25%. use a bar diagram to find the new height of the t
marysya [2.9K]
8×.25=2
8-2=6
so what you would do is make a bar graph where the y axis would be years and the x axis being height
5 0
3 years ago
a line is perpendicular to y=-4x-2 and intersects the point (0,9). what is the equation for this perpendicular line?
AysviL [449]

Answer:

y=(1/4)x + 9      OR      y=x/4 +9

Step-by-step explanation:

Perpendicular lines have a slope/gradient of -1/n

Because the slope of this line is -4, the slope of a line perpendicular to it would be 1/4.

y=(1/4)x+b

(0,9) is the y-intercept, so b = 9

y=(1/4)x + 9      OR      y=x/4 +9

3 0
3 years ago
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
What is 923 rounded to the nearest hundred??
AysviL [449]
923 rounded to the nearest hundred is 900. If the number was over 950 it would be 1,000 but since it was below is closer or nearest to 900
8 0
2 years ago
Read 2 more answers
Find x when y = 5 in the literal equation 4x + 7y = 51
xeze [42]
The answer is... x=4

4(4) + 7(5) = 51

Hope ive helped!
8 0
3 years ago
Read 2 more answers
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