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sdas [7]
3 years ago
14

a cube has sides of lengths a -3 which of the following expression best represents the volume of the cube

Mathematics
1 answer:
Semenov [28]3 years ago
7 0

Answer: -27


Step-by-step explanation: the cube has a volume of -27 because -3 to the 3rd power (cubed) is -27

Hope this helps ☺


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A bottle contains 2 L 95 mL water. Express the amount of water in litres.
Lunna [17]

Answer:

2.095

Step-by-step explanation:

2 litres= 2000ml

2000+95 ml = 2095ml

Now in litres:

2095/1000= 2.095 litres

6 0
3 years ago
Determine the domain on which the following graph of f(x) is negative. ​
Oksanka [162]

Answer:

there is no graph.

Step-by-step explanation:

7 0
3 years ago
Evaluate x ÷ y for x = 3 and y = 12. Your answer: A. 0.25 B. 4 C. 9 D. 36
aev [14]

Answer:

B or D

Step-by-step explanation:

best bet is B

3 0
3 years ago
Read 2 more answers
Help! Please show work, and identify the solution or how many solutions there are to the system.
Sveta_85 [38]

Answer:

one solution (-3, -6)

Step-by-step explanation:

the two line cross at the point (-3, -6) and only at that one point so there is only one solution (-3, -6).

4 0
3 years ago
13x = 79 ? Can somebody explain #9 b. PLEASE. Please solve using the system of linear equations by elimination.I would love it i
strojnjashka [21]
8x + 2y = 44
5x + 2y = 35

Since 2y is already common, there is no need for multiplication. Just reverse the signs on the equation.

Like this; 

8x + 2y = 44
-5x - 2y = -35

All the additions become subtractions and vice versa.

-2y and +2y get cancelled.

Leaving;

8x = 44
-5x = -35

Now, subtract again. 

8x - 5x = 3x

44 - 35 = 9

So;

3x = 9

x = 9 / 3

x = 3

We found 'x' and now we have to find 'y'.

Just substitute. 

[8 x 3] + 2y = 44

24 + 2y = 44

2y = 44 - 24

2y = 20

y = 20 / 2

y = 10

Now, we re-check;

[8 x 3] + [2 x 10] = 44

24 + 20 = 44

Explaining the error for #9b is simply doing the whole sum. 

Hope this helped! :) I tried my best to explain. 

7 0
3 years ago
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