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zzz [600]
3 years ago
8

a number is multiplied by 12 that tree is added to the result if the number is 51 what is the original number

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0
The original number would be 48. 12 multiplied by 4 is 48, and if you add a three to that you will get 51.

Hope this helped :)
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4. Can two lines be parallel and perpendicular? Explain.
lidiya [134]

Answer: No

Step-by-step explanation: First, we need to understand that parallel lines are coplanar lines that do not intersect. On the other hand, perpendicular lines are lines that intersect at a right angle.

However, lines can't be both parallel and perpendicular because they either intersect each other at a right angle or never intersect.

So no, two lines can't be both parallel and perpendicular.

7 0
3 years ago
Jessie graphed one of the lines in a system of equations: Y=3x-2 If the system has an infinite number of solutions, which statem
katen-ka-za [31]

Answer:

2, 4, and 5

Step-by-step explanation:

There are three states that a system of linear equations can be in. Intersecting, parallel, and overlapping. Intersecting results in one solution, parallel results in none, and overlapping makes all solutions that are on the line correct. The question says that there are infinite solutions, so it must be overlapping. We can immediately rule out the first one because only points that lie on the line can be solutions. Since we know that the system has all of the solutions shown, 2 has to be true. 3 is the same idea. When you plug the x value (20) into the equation, you get the y value (58) meaning that it must be true. 5 is stated above.

5 0
3 years ago
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Find the volume of the cone. H=9cm r=6cm
never [62]

Answer:

the volume of the cone is 339.29

Step-by-step explanation:

3 0
2 years ago
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Francesca already has 7 plants in her backyard,
bearhunter [10]

Answer:

2 seed packets.

Step-by-step explanation:

19 plants per seed packet.

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7 0
3 years ago
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(-3)(+4)=?<br> Can someone tell me the answer to this?
slava [35]

Answer:

-12, or 1 (see explanation)

Step-by-step explanation:

(-3)(+4)

Is the same as

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(-3) + 4

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1

5 0
3 years ago
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