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Citrus2011 [14]
3 years ago
14

Need help with simplifying

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

\boxed {1)} 60m - 15(4 - 8m) + 20

  1. Distribute 15 inside the parentheses.
  2. 60m - 60 + 120m + 20
  3. Combine like terms.
  4. 180m - 40

---

\boxed {2)} 4(5.8 - 9x) + 8.2 + 22x

  1. Distribute 4 inside the parentheses.
  2. 23.2 - 36x + 8.2 + 22x
  3. Combine like terms.
  4. 31.4 - 14x
  5. Reorder so variable is first: -14x + 31.4

---

\boxed {3)} 9y - 15y + 12 - 6y

  1. Combine like terms.
  2. -12y + 12

---

\boxed {4)} v + 13 - 8(v + 2)

  1. Distribute 8 inside the parentheses.
  2. v + 13 - 8v - 16
  3. Combine like terms.
  4. -7v - 3

---

\boxed {5)} 5/3(5 + 9) + 4/5(1 - 9x)

  1. Distribute 5/3 and 4/5 inside their respective parentheses.
  2. 25/3 + 15 + 4/5 - 36/5x
  3. Combine like terms.
  4. 362/15 - 36/5x
  5. Reorder so variable is first: -36/5x + 362/15
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The sum of two polynomials is -yz to the second power-3z to the second power-4y+4. If one of the polynomials is y-4yz to the sec
balu736 [363]

Answer:

- 5yz^2 - 3z^2 - 5y + 7

Step-by-step explanation:

The polynomial is:

-yz^2-3z^2-4y+4   ( 1 )

this polynomial is the result of the sum of two polynomials, one of them given by

y-4yz^2-3     ( 2 )

if you find to know what is the other polynomial, you can take the difference between the polynomial (1) and (2). It is necessary to take the difference between simmilar terms, as follow:

 - yz^2 - 3z^2 - 4y + 4

<u>- (4yz^2          + y   - 3  )</u>

<u />

 - yz^2 - 3z^2 - 4y + 4

<u> - 4yz^2           - y   + 3  </u>

- 5yz^2 - 3z^2 - 5y + 7

hence the other polynomial is - 5yz^2 - 3z^2 - 5y + 7

5 0
3 years ago
2a+b=15.7 what’s the possible values of b
Fiesta28 [93]

Answer:

b = 15.7 -2a

Step-by-step explanation:

You are asking us to solve for b

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3 years ago
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