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ZanzabumX [31]
2 years ago
6

2(x+11)=3x=42simplify ​

Mathematics
1 answer:
Vaselesa [24]2 years ago
8 0

Answer:

2x+22=42

Step-by-step explanation:

2x+22-22=42-22. which is 2x=20 divide both sides with 2,therefore the answer is 10

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A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3.645 grams. What is the density of this cube?
ehidna [41]

Answer:

density =  \frac{mass}{volume}

mass = 3.645 g

volume = 9×9×9

= 729 cm³

density = 3.645/729

= 0.005 gcm^-3

Step-by-step explanation:

the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.

volume = length × height × width

8 0
2 years ago
Estimate the weight of apples, please!
Tom [10]

Answer:

1440

Step-by-step explanation:

Hope it helps!

4 0
2 years ago
Read 2 more answers
Which of the following is the solution to the following systems of inequalities? (picture included)
Ymorist [56]

Answer:

  C.  (see the attachment)

Step-by-step explanation:

Both inequalities include the "or equal to" case, so both boundary lines will be solid. That excludes choices A and D.

The first inequality is plotted the same way in all graphs, so we must look at the second inequality. The relationship of y and the comparison symbol is ...

  -y ≥ (something)

If we multiply by -1, we get ...

  y ≤ (something else)

This means the solution space will be <em>on or below (less than or equal to) the boundary line</em>. This is the shaded area in graph C. (Graph B shows shading <em>above</em> the line.)

___

<em>Further comment</em>

Since the boundary for the second inequality is fairly steep, "above" and "below" the line can be difficult to see. Rather, you can consider the relationship of x to the comparison symbol. For the second inequality, that is ...

  x ≥ (something)

indicating the solution space is <em>on or to the right of the boundary line</em>.

3 0
2 years ago
PLEASE ANSWER, I WILL GIVE BRAINLIEST!!!!!
Gekata [30.6K]
0.65 = 

6/10 = 0.6

+

5/100 = 0.05.

Add: 0.6 + 0.05 = 0.65.

Hope this helped☺☺
6 0
2 years ago
Help dude it’s due today in 58 minutes !!!!!
sweet-ann [11.9K]

Answer:

Use math-way For more help!

a  slope 2/1

b  y int = 8

c  y= 2x +8

Step-by-step explanation:

type in the coordinates then tap to find: slope

5 0
2 years ago
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