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Eva8 [605]
3 years ago
12

(−3p2+5p−2)+(−p2−8p−15)=

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

Answer:

Step-by-step explanation:

When you distribute a positive sign to a parentheses, you essentially change nothing. So, you can drop all of the parentheses for this entire equation. Now combine like terms.

-4p^2-3p-17

or

-1(4p^2+3p+17)

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A rectangular prism has a length of 13 meters, a height of 8 meters, and a width of 9 meters. What is its volume, in cubic meter
Angelina_Jolie [31]

Answer:

V =936 m^3

Step-by-step explanation:

The volume of a cube is given by

V = l*w*h

V = 13*8*9

V =936 m^3

4 0
3 years ago
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Molly wishes to make a lawn ornament in the form of a solid sphere. The clay being used to make the sphere weighs .075 pound per
Serhud [2]
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5 0
3 years ago
Solve equation: <br> 8n-7=-12+3n
lutik1710 [3]

To solve this problem, the first thing we have to do is regroup the terms so that we can then subtract, simplify, subtract, and finally simplify again.

But first we must know.

<h3>¿What are the equations?</h3>

Equations are those mathematical equalities divided between two expressions which are called members and separated by their equal sign, in which known elements and unknown or unknown data appear, related by mathematical operations.

<h3>We solve the problem:</h3>
  • 8n - 7 = -12 + 3n
  • 8n - 7 = 3n - 12
  • 8n - 7 - 3n = -12
  • 5n - 7 = -12
  • 5n = -12 + 7
  • 5n = -5
  • N = -1

Now we must check our results.

8n -7 = -12 + 3n

8 × - 1 - 7 = -12 + 3 × - 1

- 8 - 7 = - 12 - 3

- 15 = - 12 - 3

- 15 = - 15

So, our results are correct, the answer is n = - 1

¡Hope this helped!

6 0
1 year ago
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Two factors of 30 add up to 9 what are they?
Sav [38]
6 and 3 
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3 0
4 years ago
Graph y = x2 – 3x+4. Find the axis of symmetry and the vertex,
valentina_108 [34]

Answer:

The axis of symetry is the X value that splits the graph in half. For this equation, the axis of symmetry is x= \frac{3}{2}.

The vertex is the highest or lowest point on the graph. For this equation, the vertex is (\frac{3}{2} ,\frac{7}{4} )

Step-by-step explanation:

See the graph.  please give me brainliest if I helped!

7 0
3 years ago
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