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irinina [24]
3 years ago
14

Find the cube of 12.

Mathematics
1 answer:
enot [183]3 years ago
7 0
The cube of  12  is (12 x 12 x 12) = 1,728 .

The volume of a cube with side-length of  7 units  is
(7 units  x  7 units  x  7 units) = 343 cubic units.

The volume of a cube with side-length of  14 units  is
(14 units  x  14 units  x  14 units) = 2,744 cubic units.

<span>The number of  1 by 1  unit cubes that would equal the volume
of the figure shown can't be determined, because the figure is </span>
not shown.

The volume of the figure <span>can't be determined, because the figure
is not shown.</span>
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Which is greater 78.61 or78.6
ANTONII [103]

Answer:

78.61 is greater than 78.6.

Step-by-step explanation:

Adding a zero to 78.6, resulting in 78.60, makes it easier to compare 78.6 and 78.61.  78.61 is greater than 78.6.

7 0
3 years ago
Please help with 6 and 7
Maru [420]

Answer:

6a) i- 2hrs 36mins  ii- 3hrs 12mins

b) car A≈ 76.9km/h  car B≈ 62.5km/h

c)------

7a) 35km

b) car A=75km  car B=60km

c) 30km

d) car A≈36mins  car B≈48mins

Step-by-step explanation:

6a) Using the graph follow the lines until they finish then go downwards until you get to the x-axis. The x-axis is going up by 12mins for each square.

b) Using the answer from a, you divide 200km by the time.

For car A 2hrs 36mins becomes 2.6 because 36mins/60mins=0.6

∴ car A: 200/2.6≈ 76.92km/h

For car B 3hrs 12mins becomes 3.2 because 12mins/60mins=0.2

∴ car B: 200/3.2≈ 62.5km/h

7a) Using the graph go down from where the line of car A finished to meet car B. The y-axis is going up by 5km for each square.

b) Starting from the x-axis at 1 hour go upwards to see where you meet the car B line (60km) and car A line(75km). (sorry if that does not really make sense).

c) Difference from car A line to car B:

155km-125km=30km

d) Going across from 50km meet car A line and go down to see it has been travelling for approx. 36mins. Then continue across to car B line, go down to see it reached 50km at approx. 48mins.

Hope this helps.

5 0
3 years ago
What’s the answer because I’m confused
Scilla [17]

Answer:

i hate Maths

7 0
3 years ago
The function f(x) = -5x2 + 13x + 6 represents the height, in meters, of a
AnnZ [28]

Answer:

D

Step-by-step explanation:

Differentiate the function and set it to zero:

f'(x) = -10x + 13

0 = -10x + 13

x = 1.3 seconds

Plug the x value into f(x):

f(1.3) = -5(1.3)^2 + 13(1.3) + 6 = 14.45 meters

8 0
2 years ago
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