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Burka [1]
3 years ago
13

Question 2 (1 point)

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
3 0
4x+8=-x+10.
+1x +1x. =5x+8=10
sorry didn’t know how to put it into words
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MARKIN BRAINIEST!!! GIVIN 30PTS!!!
Sedbober [7]

Answer:

  • (-16x² +10x -3) +(4x² -29x -2)
  • (2x² -11x -9) -(14x² +8x -4)
  • 2(x -1) -3(4x² +7x +1)

Step-by-step explanation:

I find it takes less work if I can eliminate obviously wrong answers. Toward that end, we can consider the constant terms only:

  1. -3 +(-2) = -5 . . . . possible equivalent
  2. -10 -5 = -15 . . . . NOT equivalent
  3. 3(-5) -2(5) = -25 . . . . NOT equivalent
  4. -9 -(-4) = -5 . . . . possible equivalent
  5. -7 -(-5) = -2 . . . . NOT equivalent
  6. 2(-1) -3(1) = -5 . . possible equivalent

Now, we can go back and check the other terms in the candidate expressions we have identified.

  1. (-16x² +10x -3) +(4x² -29x -2) = (-16+4)x² +(10-29)x -5 = -12x² -19x -5 . . . OK

  4. (2x² -11x -9) -(14x² +8x -4) = (2-14)x² +(-11-8)x -5 = -12x² -19x -5 . . . OK

  6. 2(x -1) -3(4x² +7x +1) = -12x² +(2 -3·7)x -5 = -12x² -19x -5 . . . OK

All three of the "possible equivalent" expressions we identified on the first pass are fully equivalent to the target expression. These are your answer choices.

7 0
3 years ago
Read 2 more answers
4/5 as an equivalent fraction in 3 different forms.​
levacccp [35]

Answer:

Equivalent fraction of ⅘:

\frac{4}{5}  =  \frac{8}{10}  =  \frac{12}{15}  =  \frac{16}{20}

8 0
3 years ago
20% of what number is 90?
ehidna [41]
90 = (20)(x)
so you have to solve for x
90/.20 =450
answer is 450
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3 years ago
An inequality for 419
AysviL [449]
Sir I don’t understand what your getting at here
4 0
2 years ago
What cross section when a cylinder is cut perpendicular to its base
Vika [28.1K]

Answer:

triangle

Step-by-step explanation:

Cross sections perpendicular to the base and through the vertex will be triangles. Below, you can see a plane cutting through the pyramid, part of the pyramid removed, and the cross section. You could also take a slice parallel to the base. Cross sections parallel to the base will be hexagons

5 0
3 years ago
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